diff --git a/Cargo.lock b/Cargo.lock
index ff709c1a3fa8e..2a5b8cde28036 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -249,7 +249,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -372,7 +372,7 @@ dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-automata 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -437,9 +437,9 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -489,7 +489,7 @@ dependencies = [
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -615,7 +615,7 @@ dependencies = [
  "cranelift-codegen-shared 0.50.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cranelift-entity 0.50.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "target-lexicon 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "thiserror 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -640,7 +640,7 @@ name = "cranelift-entity"
 version = "0.50.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -673,7 +673,7 @@ dependencies = [
  "cranelift-entity 0.50.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cranelift-frontend 0.50.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "thiserror 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasmparser 0.39.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -705,9 +705,9 @@ dependencies = [
  "rand_xoshiro 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon-core 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "tinytemplate 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 2.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -729,9 +729,9 @@ dependencies = [
  "rand_os 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_xoshiro 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "tinytemplate 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 2.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -843,7 +843,7 @@ dependencies = [
  "csv-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1032,7 +1032,7 @@ name = "erased-serde"
 version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1245,7 +1245,7 @@ dependencies = [
  "pallet-indices 2.0.0",
  "pallet-transaction-payment 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -1257,7 +1257,7 @@ name = "frame-metadata"
 version = "2.0.0"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 2.0.0",
  "substrate-primitives 2.0.0",
 ]
@@ -1276,7 +1276,7 @@ dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "paste 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-arithmetic 2.0.0",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
@@ -1324,7 +1324,7 @@ dependencies = [
  "frame-support 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "substrate-inherents 2.0.0",
@@ -1342,7 +1342,7 @@ dependencies = [
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -1366,7 +1366,7 @@ dependencies = [
  "frame-system 2.0.0",
  "pallet-balances 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -1674,8 +1674,8 @@ dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.2.0-alpha.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.2.0-alpha.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2008,7 +2008,7 @@ name = "impl-serde"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2095,8 +2095,8 @@ dependencies = [
  "jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-pubsub 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "websocket 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2109,9 +2109,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2155,7 +2155,7 @@ dependencies = [
  "jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2991,7 +2991,7 @@ dependencies = [
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-transaction-pool 2.0.0",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-finality-tracker 2.0.0",
  "sp-timestamp 2.0.0",
  "sp-transaction-pool-api 2.0.0",
@@ -3137,7 +3137,7 @@ dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-transaction-pool-runtime-api 2.0.0",
  "sr-api 2.0.0",
  "sr-io 2.0.0",
@@ -3207,7 +3207,7 @@ dependencies = [
  "pallet-transaction-payment 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-transaction-pool-runtime-api 2.0.0",
  "sr-api 2.0.0",
  "sr-io 2.0.0",
@@ -3403,7 +3403,7 @@ dependencies = [
  "frame-support 2.0.0",
  "frame-system 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3421,7 +3421,7 @@ dependencies = [
  "pallet-timestamp 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-timestamp 2.0.0",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
@@ -3440,7 +3440,7 @@ dependencies = [
  "frame-system 2.0.0",
  "pallet-session 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-staking-primitives 2.0.0",
@@ -3478,7 +3478,7 @@ dependencies = [
  "pallet-timestamp 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-timestamp 2.0.0",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
@@ -3500,7 +3500,7 @@ dependencies = [
  "pallet-transaction-payment 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3517,7 +3517,7 @@ dependencies = [
  "pallet-balances 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3538,7 +3538,7 @@ dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-wasm 0.41.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pwasm-utils 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-sandbox 2.0.0",
@@ -3557,7 +3557,7 @@ dependencies = [
  "jsonrpc-derive 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "pallet-contracts-rpc-runtime-api 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-blockchain 2.0.0",
  "sr-primitives 2.0.0",
  "substrate-primitives 2.0.0",
@@ -3569,7 +3569,7 @@ name = "pallet-contracts-rpc-runtime-api"
 version = "2.0.0"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-api 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3584,7 +3584,7 @@ dependencies = [
  "pallet-balances 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3601,7 +3601,7 @@ dependencies = [
  "pallet-balances 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3617,7 +3617,7 @@ dependencies = [
  "hex-literal 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "pallet-balances 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3638,7 +3638,7 @@ dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "primitive-types 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlp 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha3 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
@@ -3654,7 +3654,7 @@ dependencies = [
  "frame-system 2.0.0",
  "pallet-balances 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3669,7 +3669,7 @@ dependencies = [
  "frame-system 2.0.0",
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-finality-tracker 2.0.0",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
@@ -3685,7 +3685,7 @@ dependencies = [
  "frame-support 2.0.0",
  "frame-system 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3701,7 +3701,7 @@ dependencies = [
  "pallet-finality-tracker 2.0.0",
  "pallet-session 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-staking-primitives 2.0.0",
@@ -3719,7 +3719,7 @@ dependencies = [
  "pallet-authorship 0.1.0",
  "pallet-session 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-staking-primitives 2.0.0",
@@ -3737,7 +3737,7 @@ dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "ref_thread_local 0.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3752,7 +3752,7 @@ dependencies = [
  "frame-support 2.0.0",
  "frame-system 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3767,7 +3767,7 @@ dependencies = [
  "frame-system 2.0.0",
  "pallet-balances 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3782,7 +3782,7 @@ dependencies = [
  "frame-system 2.0.0",
  "pallet-balances 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-staking-primitives 2.0.0",
@@ -3812,7 +3812,7 @@ dependencies = [
  "frame-system 2.0.0",
  "pallet-balances 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3830,7 +3830,7 @@ dependencies = [
  "pallet-timestamp 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-staking-primitives 2.0.0",
@@ -3853,7 +3853,7 @@ dependencies = [
  "pallet-timestamp 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-staking-primitives 2.0.0",
@@ -3882,7 +3882,7 @@ dependencies = [
  "frame-support 2.0.0",
  "frame-system 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3897,7 +3897,7 @@ dependencies = [
  "frame-system 2.0.0",
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-timestamp 2.0.0",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
@@ -3930,7 +3930,7 @@ dependencies = [
  "jsonrpc-derive 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "pallet-transaction-payment-rpc-runtime-api 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-blockchain 2.0.0",
  "sr-primitives 2.0.0",
  "substrate-primitives 2.0.0",
@@ -3943,8 +3943,8 @@ version = "2.0.0"
 dependencies = [
  "frame-support 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-api 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3958,7 +3958,7 @@ dependencies = [
  "frame-system 2.0.0",
  "pallet-balances 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -3982,7 +3982,7 @@ dependencies = [
  "data-encoding 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -4010,7 +4010,7 @@ dependencies = [
  "bitvec 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byte-slice-cast 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec-derive 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4813,8 +4813,8 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-transaction-pool-api 2.0.0",
  "sr-version 2.0.0",
  "substrate-primitives 2.0.0",
@@ -4833,7 +4833,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-transaction-pool-api 2.0.0",
  "sr-primitives 2.0.0",
  "substrate-primitives 2.0.0",
@@ -4956,7 +4956,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4971,15 +4971,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.102"
+version = "1.0.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde_derive 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.102"
+version = "1.0.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4989,12 +4989,12 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.41"
+version = "1.0.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5081,8 +5081,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "erased-serde 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -5208,7 +5208,7 @@ dependencies = [
  "futures 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0",
  "substrate-primitives 2.0.0",
 ]
@@ -5283,7 +5283,7 @@ dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "primitive-types 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 2.0.0",
  "substrate-debug-derive 2.0.0",
 ]
@@ -5313,8 +5313,8 @@ dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "paste 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-arithmetic 2.0.0",
  "sr-io 2.0.0",
  "sr-std 2.0.0",
@@ -5355,7 +5355,7 @@ version = "2.0.0"
 dependencies = [
  "impl-serde 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
 ]
@@ -5391,7 +5391,7 @@ name = "string-interner"
 version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5465,7 +5465,7 @@ name = "substrate-application-crypto"
 version = "2.0.0"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -5487,7 +5487,7 @@ dependencies = [
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "prost 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "prost-build 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-blockchain 2.0.0",
  "sr-api 2.0.0",
  "sr-primitives 2.0.0",
@@ -5578,8 +5578,8 @@ name = "substrate-chain-spec"
 version = "2.0.0"
 dependencies = [
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0",
  "substrate-chain-spec-derive 2.0.0",
  "substrate-network 2.0.0",
@@ -5615,7 +5615,7 @@ dependencies = [
  "names 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rpassword 4.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-blockchain 2.0.0",
  "sr-primitives 2.0.0",
  "structopt 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5668,6 +5668,7 @@ dependencies = [
  "substrate-test-runtime-client 2.0.0",
  "substrate-trie 2.0.0",
  "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -6002,7 +6003,7 @@ dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-blockchain 2.0.0",
  "sp-finality-tracker 2.0.0",
  "sr-api 2.0.0",
@@ -6031,7 +6032,7 @@ name = "substrate-finality-grandpa-primitives"
 version = "2.0.0"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-api 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -6049,7 +6050,7 @@ dependencies = [
  "jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-rpc-api 2.0.0",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-primitives-storage 2.0.0",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -6067,7 +6068,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-transaction-pool 2.0.0",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-blockchain 2.0.0",
  "sp-transaction-pool-api 2.0.0",
  "sr-primitives 2.0.0",
@@ -6105,7 +6106,7 @@ dependencies = [
  "hex 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-application-crypto 2.0.0",
  "substrate-primitives 2.0.0",
  "subtle 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6137,8 +6138,8 @@ dependencies = [
  "quickcheck 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog_derive 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6220,7 +6221,7 @@ dependencies = [
  "libp2p 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -6228,7 +6229,7 @@ name = "substrate-phragmen"
 version = "2.0.0"
 dependencies = [
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0",
  "sr-primitives 2.0.0",
  "sr-std 2.0.0",
@@ -6261,8 +6262,8 @@ dependencies = [
  "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "schnorrkel 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 2.0.0",
  "substrate-bip39 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6283,7 +6284,7 @@ name = "substrate-primitives-storage"
 version = "2.0.0"
 dependencies = [
  "impl-serde 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 2.0.0",
  "substrate-debug-derive 2.0.0",
 ]
@@ -6304,7 +6305,7 @@ dependencies = [
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-rpc-api 2.0.0",
  "sc-transaction-pool 2.0.0",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-blockchain 2.0.0",
  "sp-transaction-pool-api 2.0.0",
  "sr-api 2.0.0",
@@ -6328,8 +6329,8 @@ dependencies = [
 name = "substrate-rpc-primitives"
 version = "2.0.0"
 dependencies = [
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-primitives 2.0.0",
 ]
 
@@ -6342,8 +6343,8 @@ dependencies = [
  "jsonrpc-pubsub 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-ws-server 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0",
 ]
 
@@ -6409,8 +6410,8 @@ dependencies = [
 name = "substrate-serializer"
 version = "2.0.0"
 dependencies = [
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -6428,8 +6429,8 @@ dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-transaction-pool 2.0.0",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-blockchain 2.0.0",
  "sp-transaction-pool-api 2.0.0",
@@ -6536,7 +6537,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-async 2.3.0 (git+https://github.com/paritytech/slog-async)",
  "slog-json 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6569,7 +6570,7 @@ name = "substrate-test-primitives"
 version = "2.0.0"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0",
  "substrate-application-crypto 2.0.0",
  "substrate-primitives 2.0.0",
@@ -6589,7 +6590,7 @@ dependencies = [
  "pallet-babe 2.0.0",
  "pallet-timestamp 2.0.0",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-transaction-pool-runtime-api 2.0.0",
  "sr-api 2.0.0",
  "sr-io 2.0.0",
@@ -6639,9 +6640,13 @@ version = "2.0.0"
 name = "substrate-tracing"
 version = "2.0.0"
 dependencies = [
+ "erased-serde 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "grafana-data-source 2.0.0",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-telemetry 2.0.0",
  "tracing 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "tracing-core 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6878,8 +6883,8 @@ name = "tinytemplate"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -7144,7 +7149,7 @@ name = "toml"
 version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -7269,8 +7274,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -7440,9 +7445,9 @@ name = "wabt"
 version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "wabt-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -7653,7 +7658,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "more-asserts 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "thiserror 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -8329,9 +8334,9 @@ dependencies = [
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 "checksum send_wrapper 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a0eddf2e8f50ced781f288c19f18621fa72a3779e3cb58dbf23b07469b0abeb4"
-"checksum serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)" = "0c4b39bd9b0b087684013a792c59e3e07a46a01d2322518d8a1104641a0b1be0"
-"checksum serde_derive 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)" = "ca13fc1a832f793322228923fbb3aba9f3f44444898f835d31ad1b74fa0a2bf8"
-"checksum serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)" = "2f72eb2a68a7dc3f9a691bfda9305a1c017a6215e5a4545c258500d2099a37c2"
+"checksum serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)" = "1217f97ab8e8904b57dd22eb61cde455fa7446a9c1cf43966066da047c1f3702"
+"checksum serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)" = "a8c6faef9a2e64b0064f48570289b4bf8823b7581f1d6157c1b52152306651d0"
+"checksum serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)" = "1a3351dcbc1f067e2c92ab7c3c1f288ad1a4cffc470b5aaddb4c2e0a3ae80043"
 "checksum sha-1 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "23962131a91661d643c98940b20fcaffe62d776a823247be80a48fcb8b6fce68"
 "checksum sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2579985fda508104f7587689507983eadd6a6e84dd35d6d115361f530916fa0d"
 "checksum sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b4d8bfd0e469f417657573d8451fb33d16cfe0989359b93baf3a1ffc639543d"
diff --git a/client/Cargo.toml b/client/Cargo.toml
index 9800e6c14f035..7dadb1f847836 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -30,6 +30,7 @@ sp-blockchain = { path = "../primitives/blockchain" }
 state-machine = { package = "substrate-state-machine", path = "../primitives/state-machine" }
 substrate-telemetry = { path = "telemetry" }
 trie = { package = "substrate-trie", path = "../primitives/trie" }
+tracing = "0.1.10"
 
 [dev-dependencies]
 env_logger = "0.7.0"
diff --git a/client/tracing/Cargo.toml b/client/tracing/Cargo.toml
index 431889cbec6ed..013135486ad81 100644
--- a/client/tracing/Cargo.toml
+++ b/client/tracing/Cargo.toml
@@ -6,8 +6,12 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
+erased-serde = "0.3.9"
 log = { version = "0.4.8" }
 parking_lot = "0.9.0"
+serde = "1.0.101"
+serde_json = "1.0.41"
+slog = { version = "2.5.2", features = ["nested-values"] }
 tracing-core = "0.1.7"
 
 substrate-telemetry = { path = "../telemetry" }
diff --git a/client/tracing/src/lib.rs b/client/tracing/src/lib.rs
index d1fe48cea3d48..1ab293114702c 100644
--- a/client/tracing/src/lib.rs
+++ b/client/tracing/src/lib.rs
@@ -24,22 +24,37 @@
 //! A span is set in the following way:
 //! ```
 //! let span = tracing::span!(tracing::Level::INFO, "my_span_name");
-//! let _enter = span.enter();
+//! let _guard = span.enter();
 //! ```
 //! To begin timing, a span must be entered. When the span is dropped, the execution time
 //! is recorded and details sent to the `Receiver` which defines how to process it.
 //!
-//! Currently we provide `Log` (default) and `Telemetry` variants for `Receiver`
+//! It's possible to record values with each span in the following way:
+//! ```
+//! let span = tracing::span!(tracing::Level::INFO, "my_span_name", my_number = 10, a_key = "a value");
+//! let _guard = span.enter();
+//! ```
+//! Currently we provide `Log` (default), `Telemetry` and `Grafana` variants for `Receiver`
 
 use std::collections::HashMap;
+use std::fmt;
 use std::sync::atomic::{AtomicU64, Ordering};
 use std::time::{Duration, Instant};
 
 use parking_lot::Mutex;
-use tracing_core::{event::Event, Level, metadata::Metadata, span::{Attributes, Id, Record}, subscriber::Subscriber};
+use serde::ser::{Serialize, Serializer, SerializeMap};
+use slog::{SerdeValue, Value};
+use tracing_core::{
+	event::Event,
+	field::{Visit, Field},
+	Level,
+	metadata::Metadata,
+	span::{Attributes, Id, Record},
+	subscriber::Subscriber
+};
 
-use substrate_telemetry::{telemetry, SUBSTRATE_INFO};
 use grafana_data_source::{self, record_metrics};
+use substrate_telemetry::{telemetry, SUBSTRATE_INFO};
 
 /// Used to configure how to receive the metrics
 #[derive(Debug, Clone)]
@@ -48,7 +63,7 @@ pub enum TracingReceiver {
 	Log,
 	/// Output to telemetry
 	Telemetry,
-	/// Output to Grafana,
+	/// Output to Grafana
 	Grafana,
 }
 
@@ -67,6 +82,68 @@ struct SpanDatum {
 	line: u32,
 	start_time: Instant,
 	overall_time: Duration,
+	values: Visitor,
+}
+
+#[derive(Clone, Debug)]
+struct Visitor(Vec<(String, String)>);
+
+impl Visit for Visitor {
+	fn record_i64(&mut self, field: &Field, value: i64) {
+		self.record_debug(field, &value)
+	}
+
+	fn record_u64(&mut self, field: &Field, value: u64) {
+		self.record_debug(field, &value)
+	}
+
+	fn record_bool(&mut self, field: &Field, value: bool) {
+		self.record_debug(field, &value)
+	}
+
+	fn record_debug(&mut self, field: &Field, value: &dyn std::fmt::Debug) {
+		self.0.push((field.name().to_string(), format!("{:?}",value)));
+	}
+}
+
+impl Serialize for Visitor {
+	fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+		where S: Serializer,
+	{
+		let mut map = serializer.serialize_map(Some(self.0.len()))?;
+		for (k, v) in &self.0 {
+			map.serialize_entry(k, v)?;
+		}
+		map.end()
+	}
+}
+
+impl fmt::Display for Visitor {
+	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+		let values = self.0.iter().map(|(k,v)| format!("{}={}",k,v)).collect::<Vec<String>>().join(", ");
+		write!(f, "{}", values)
+	}
+}
+
+impl SerdeValue for Visitor {
+	fn as_serde(&self) -> &dyn erased_serde::Serialize {
+		self
+	}
+
+	fn to_sendable(&self) -> Box<dyn SerdeValue + Send + 'static> {
+		Box::new(self.clone())
+	}
+}
+
+impl Value for Visitor {
+	fn serialize(
+		&self,
+		_record: &slog::Record,
+		key: slog::Key,
+		ser: &mut dyn slog::Serializer,
+	) -> slog::Result {
+		ser.emit_serde(key, self)
+	}
 }
 
 /// Responsible for assigning ids to new spans, which are not re-used.
@@ -79,9 +156,9 @@ pub struct ProfilingSubscriber {
 
 impl ProfilingSubscriber {
 	/// Takes a `Receiver` and a comma separated list of targets,
-	/// either with a level "paint=trace"
-	/// or without "paint".
-	pub fn new(receiver: TracingReceiver, targets: &String) -> Self {
+	/// either with a level: "pallet=trace"
+	/// or without: "pallet".
+	pub fn new(receiver: TracingReceiver, targets: &str) -> Self {
 		let targets: Vec<_> = targets.split(',').map(|s| parse_target(s)).collect();
 		ProfilingSubscriber {
 			next_id: AtomicU64::new(1),
@@ -95,7 +172,7 @@ impl ProfilingSubscriber {
 // Default to TRACE if no level given or unable to parse Level
 // We do not support a global `Level` currently
 fn parse_target(s: &str) -> (String, Level) {
-	match s.find("=") {
+	match s.find('=') {
 		Some(i) => {
 			let target = s[0..i].to_string();
 			if s.len() > i {
@@ -124,14 +201,17 @@ impl Subscriber for ProfilingSubscriber {
 
 	fn new_span(&self, attrs: &Attributes<'_>) -> Id {
 		let id = self.next_id.fetch_add(1, Ordering::Relaxed);
+		let mut values = Visitor(Vec::new());
+		attrs.record(&mut values);
 		let span_datum = SpanDatum {
-			id: id,
+			id,
 			name: attrs.metadata().name(),
 			target: attrs.metadata().target(),
 			level: attrs.metadata().level().clone(),
 			line: attrs.metadata().line().unwrap_or(0),
 			start_time: Instant::now(),
 			overall_time: Duration::from_nanos(0),
+			values,
 		};
 		self.span_data.lock().insert(id, span_datum);
 		Id::from_u64(id)
@@ -181,15 +261,24 @@ impl ProfilingSubscriber {
 }
 
 fn print_log(span_datum: SpanDatum) {
-	let message = format!(
-		"Tracing: {} {}: {}, line: {}, time: {} ns",
-		span_datum.level,
-		span_datum.target,
-		span_datum.name,
-		span_datum.line,
-		span_datum.overall_time.as_nanos()
-	);
-	log::info!(target: "substrate_tracing", "{}", message);
+	if span_datum.values.0.is_empty() {
+		log::info!("TRACING: {} {}: {}, line: {}, time: {}",
+			span_datum.level,
+			span_datum.target,
+			span_datum.name,
+			span_datum.line,
+			span_datum.overall_time.as_nanos(),
+		);
+	} else {
+		log::info!("TRACING: {} {}: {}, line: {}, time: {}, {}",
+			span_datum.level,
+			span_datum.target,
+			span_datum.name,
+			span_datum.line,
+			span_datum.overall_time.as_nanos(),
+			span_datum.values
+		);
+	}
 }
 
 fn send_telemetry(span_datum: SpanDatum) {
@@ -198,6 +287,7 @@ fn send_telemetry(span_datum: SpanDatum) {
 		"target" => span_datum.target,
 		"line" => span_datum.line,
 		"time" => span_datum.overall_time.as_nanos(),
+		"values" => span_datum.values
 	);
 }
 
diff --git a/frame/support/src/dispatch.rs b/frame/support/src/dispatch.rs
index 3c41326b15546..2421a62da910f 100644
--- a/frame/support/src/dispatch.rs
+++ b/frame/support/src/dispatch.rs
@@ -868,7 +868,7 @@ macro_rules! decl_module {
 				use $crate::rstd::if_std;
 				if_std! {
 					use $crate::tracing;
-					let span = tracing::span!(tracing::Level::INFO, "on_initialize");
+					let span = tracing::span!(tracing::Level::DEBUG, "on_initialize");
 					let _enter = span.enter();
 				}
 				{ $( $impl )* }
@@ -890,7 +890,7 @@ macro_rules! decl_module {
 				use $crate::rstd::if_std;
 				if_std! {
 					use $crate::tracing;
-					let span = tracing::span!(tracing::Level::INFO, "on_initialize");
+					let span = tracing::span!(tracing::Level::DEBUG, "on_initialize");
 					let _enter = span.enter();
 				}
 				{ $( $impl )* }
@@ -922,7 +922,7 @@ macro_rules! decl_module {
 				use $crate::rstd::if_std;
 				if_std! {
 					use $crate::tracing;
-					let span = tracing::span!(tracing::Level::INFO, "on_finalize");
+					let span = tracing::span!(tracing::Level::DEBUG, "on_finalize");
 					let _enter = span.enter();
 				}
 				{ $( $impl )* }
@@ -944,7 +944,7 @@ macro_rules! decl_module {
 				use $crate::rstd::if_std;
 				if_std! {
 					use $crate::tracing;
-					let span = tracing::span!(tracing::Level::INFO, "on_finalize");
+					let span = tracing::span!(tracing::Level::DEBUG, "on_finalize");
 					let _enter = span.enter();
 				}
 				{ $( $impl )* }
@@ -1047,7 +1047,7 @@ macro_rules! decl_module {
 			use $crate::rstd::if_std;
 			if_std! {
 				use $crate::tracing;
-				let span = tracing::span!(tracing::Level::INFO, stringify!($name));
+				let span = tracing::span!(tracing::Level::DEBUG, stringify!($name));
 				let _enter = span.enter();
 			}
 			{
@@ -1073,7 +1073,7 @@ macro_rules! decl_module {
 			use $crate::rstd::if_std;
 			if_std! {
 				use $crate::tracing;
-				let span = tracing::span!(tracing::Level::INFO, stringify!($name));
+				let span = tracing::span!(tracing::Level::DEBUG, stringify!($name));
 				let _enter = span.enter();
 			}
 			{ $( $impl )* }