diff --git a/Cargo.lock b/Cargo.lock
index fe96f337..e69e1336 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -20,10 +20,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "atty"
-version = "0.2.13"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -34,12 +35,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bincode"
-version = "1.2.0"
+version = "1.2.1"
 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 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -49,7 +49,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "blake2b_simd"
-version = "0.5.9"
+version = "0.5.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -77,18 +77,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (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)",
- "syn 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "cc"
-version = "1.0.47"
+version = "1.0.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -102,11 +102,11 @@ version = "2.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "atty 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-width 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -123,7 +123,7 @@ name = "cmake"
 version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.49 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -208,9 +208,10 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-queue"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -230,7 +231,7 @@ version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -248,10 +249,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "erased-serde"
-version = "0.3.9"
+version = "0.3.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -260,7 +261,7 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "errno-dragonfly 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -270,7 +271,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.55 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -286,9 +287,9 @@ name = "failure_derive"
 version = "0.1.6"
 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)",
+ "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "synstructure 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -299,11 +300,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "generational-arena"
-version = "0.2.6"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -316,12 +317,12 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.1.13"
+version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasi 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -329,24 +330,24 @@ name = "ghost"
 version = "0.1.1"
 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)",
+ "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "go-ext-wasm"
 version = "0.2.0"
 dependencies = [
- "wasmer-runtime-c-api 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasmer-runtime-c-api 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.3"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -360,27 +361,27 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "inventory"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ctor 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "ghost 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "inventory-impl 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "inventory-impl 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "inventory-impl"
-version = "0.1.4"
+version = "0.1.5"
 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)",
+ "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -388,15 +389,6 @@ name = "itoa"
 version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "kernel32-sys"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -404,12 +396,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.65"
+version = "0.2.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "lock_api"
-version = "0.3.2"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -433,7 +425,7 @@ name = "memmap"
 version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -451,9 +443,9 @@ version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.49 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -462,18 +454,17 @@ name = "num_cpus"
 version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hermit-abi 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "page_size"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -481,7 +472,7 @@ name = "parking_lot"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lock_api 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lock_api 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot_core 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -493,7 +484,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -507,7 +498,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.6"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -518,7 +509,7 @@ name = "quote"
 version = "1.0.2"
 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)",
+ "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -526,8 +517,8 @@ name = "rand"
 version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -547,7 +538,7 @@ name = "rand_core"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -564,27 +555,27 @@ version = "6.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.49 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rayon"
-version = "1.2.1"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "rayon-core 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon-core 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rayon-core"
-version = "1.6.1"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-queue 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-queue 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -636,10 +627,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.103"
+version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -648,35 +639,35 @@ version = "0.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_bytes"
-version = "0.11.2"
+version = "0.11.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.103"
+version = "1.0.104"
 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)",
+ "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.42"
+version = "1.0.44"
 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 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -694,10 +685,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "syn"
-version = "1.0.9"
+version = "1.0.13"
 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)",
+ "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -707,9 +698,9 @@ name = "synstructure"
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 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)",
+ "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -720,7 +711,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
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  "failure_derive 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -729,7 +720,7 @@ version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -741,7 +732,7 @@ name = "textwrap"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "unicode-width 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -749,7 +740,7 @@ name = "time"
 version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -759,7 +750,7 @@ name = "toml"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -772,10 +763,10 @@ name = "typetag"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "erased-serde 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "inventory 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "erased-serde 0.3.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "inventory 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "typetag-impl 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -784,14 +775,14 @@ name = "typetag-impl"
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 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)",
+ "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "unicode-width"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -811,30 +802,30 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "wasi"
-version = "0.7.0"
+version = "0.9.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
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- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
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- "rayon 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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- "serde_bytes 0.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_bytes 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
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- "wasmer-win-exception-handler 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasmer-runtime-core 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -866,49 +857,49 @@ dependencies = [
 
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- "wasmer-runtime-core 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasmer-clif-backend 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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- "wasmer-wasi 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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- "page_size 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
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- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
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- "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_bytes 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -916,30 +907,30 @@ dependencies = [
 
 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bincode 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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- "getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generational-arena 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
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- "wasmer-runtime-core 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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- "wasmer-runtime-core 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -948,11 +939,6 @@ name = "wasmparser"
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-[[package]]
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-
 [[package]]
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@@ -962,11 +948,6 @@ dependencies = [
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-[[package]]
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-
 [[package]]
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@@ -981,15 +962,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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-"checksum bincode 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b8ab639324e3ee8774d296864fbc0dbbb256cf1a41c490b94cba90c082915f92"
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@@ -1003,50 +984,49 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum cranelift-native 0.44.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fd16b58e95af9ee837218cf41e70306becc1fc7d7dada55dac42df5130a4a4ba"
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@@ -1054,14 +1034,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@@ -1071,22 +1051,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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diff --git a/Cargo.toml b/Cargo.toml
index 7a116274..3e599dae 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,4 +14,4 @@ categories = ["wasm"]
 crate-type = ["cdylib"]
 
 [dependencies]
-wasmer-runtime-c-api = "0.11.0"
\ No newline at end of file
+wasmer-runtime-c-api = "0.12.0"
\ No newline at end of file
diff --git a/wasmer/bridge.go b/wasmer/bridge.go
index a6431304..d05ee189 100644
--- a/wasmer/bridge.go
+++ b/wasmer/bridge.go
@@ -113,6 +113,10 @@ type cWasmerValueT C.wasmer_value_t
 type cWasmerValueTag C.wasmer_value_tag
 type cWasmerWasiMapDirEntryT C.wasmer_wasi_map_dir_entry_t
 
+const cVersionLatest = C.Latest
+const cVersionSnapshot0 = C.Snapshot0
+const cVersionSnapshot1 = C.Snapshot1
+const cVersionUnknown = C.Unknown
 const cWasmF32 = C.WASM_F32
 const cWasmF64 = C.WASM_F64
 const cWasmFunction = C.WASM_FUNCTION
@@ -177,10 +181,6 @@ func cGetReturnsForImportFunc(function *cWasmerImportFuncT) []cWasmerValueTag {
 	return returns
 }
 
-func cNewWasmerDefaultWasiImportObject() *cWasmerImportObjectT {
-	return (*cWasmerImportObjectT)(C.wasmer_wasi_generate_default_import_object())
-}
-
 func cNewWasmerImportT(
 	moduleName string,
 	importName string,
@@ -199,13 +199,13 @@ func cNewWasmerImportT(
 
 func cNewWasmerWasiImportObject(
 	arguments *cWasmerByteArray,
-	argumentsLength int,
+	argumentsLength uint,
 	environmentVariables *cWasmerByteArray,
-	environmentVariablesLength int,
+	environmentVariablesLength uint,
 	preopenedFiles *cWasmerByteArray,
-	preopenFilesLength int,
+	preopenFilesLength uint,
 	mappedDirs *cWasmerWasiMapDirEntryT,
-	mappedDirsLength int,
+	mappedDirsLength uint,
 ) *cWasmerImportObjectT {
 	return (*cWasmerImportObjectT)(C.wasmer_wasi_generate_import_object(
 		(*C.wasmer_byte_array)(arguments),
@@ -219,6 +219,36 @@ func cNewWasmerWasiImportObject(
 	))
 }
 
+func cNewWasmerWasiImportObjectForVersion(
+	version uint,
+	arguments *cWasmerByteArray,
+	argumentsLength uint,
+	environmentVariables *cWasmerByteArray,
+	environmentVariablesLength uint,
+	preopenedFiles *cWasmerByteArray,
+	preopenFilesLength uint,
+	mappedDirs *cWasmerWasiMapDirEntryT,
+	mappedDirsLength uint,
+) *cWasmerImportObjectT {
+	return (*cWasmerImportObjectT)(C.wasmer_wasi_generate_import_object_for_version(
+		(C.uchar)(version),
+		(*C.wasmer_byte_array)(arguments),
+		(C.uint)(argumentsLength),
+		(*C.wasmer_byte_array)(environmentVariables),
+		(C.uint)(environmentVariablesLength),
+		(*C.wasmer_byte_array)(preopenedFiles),
+		(C.uint)(preopenFilesLength),
+		(*C.wasmer_wasi_map_dir_entry_t)(mappedDirs),
+		(C.uint)(mappedDirsLength),
+	))
+}
+
+func cWasmerWasiGetVersion(module *cWasmerModuleT) uint {
+	return (uint)(C.wasmer_wasi_get_version(
+		(*C.wasmer_module_t)(module),
+	))
+}
+
 func cWasmerImportObjectDestroy(importObject *cWasmerImportObjectT) {
 	C.wasmer_import_object_destroy((*C.wasmer_import_object_t)(importObject))
 }
diff --git a/wasmer/test/imports.go b/wasmer/test/imports.go
index 5d06380c..deca91ac 100644
--- a/wasmer/test/imports.go
+++ b/wasmer/test/imports.go
@@ -264,7 +264,14 @@ func testImportInstanceContextData(t *testing.T) {
 }
 
 func testWasiImportObject(t *testing.T) {
-	importObject := wasm.NewDefaultWasiImportObject()
+	module, err := wasm.Compile(getImportedFunctionBytes("wasi_hello_world.wasm"))
+	assert.NoError(t, err)
+
+	wasiVersion := wasm.WasiGetVersion(module)
+
+	assert.Equal(t, wasiVersion, wasm.Snapshot1)
+
+	importObject := wasm.NewDefaultWasiImportObjectForVersion(wasiVersion)
 
 	imports, err := wasm.NewImports().Namespace("env").Append("sum", sum, C.sum)
 	assert.NoError(t, err)
@@ -272,9 +279,6 @@ func testWasiImportObject(t *testing.T) {
 	err = importObject.Extend(*imports)
 	assert.NoError(t, err)
 
-	module, err := wasm.Compile(getImportedFunctionBytes("wasi_hello_world.wasm"))
-	assert.NoError(t, err)
-
 	instance, err := module.InstantiateWithImportObject(importObject)
 	assert.NoError(t, err)
 
diff --git a/wasmer/wasi.go b/wasmer/wasi.go
index a86af368..58a0282a 100644
--- a/wasmer/wasi.go
+++ b/wasmer/wasi.go
@@ -4,6 +4,23 @@ import (
 	"unsafe"
 )
 
+// WasiVersion represents the WASI version.
+type WasiVersion uint
+
+const (
+	// Unknown represents an unknown WASI version.
+	Unknown = WasiVersion(cVersionUnknown)
+
+	// Latest represents the latest WASI version.
+	Latest = WasiVersion(cVersionSnapshot0)
+
+	// Snapshot0 represents the `wasi_unstable` WASI version.
+	Snapshot0 = WasiVersion(cVersionSnapshot0)
+
+	// Snapshot1 represents the `wasi_snapshot1_preview` WASI version.
+	Snapshot1 = WasiVersion(cVersionSnapshot1)
+)
+
 // MapDirEntry is an entry that can be passed to `NewWasiImportObject`.
 // Preopens a file for the WASI module but renames it to the given name
 type MapDirEntry struct {
@@ -17,7 +34,13 @@ type MapDirEntry struct {
 // To specify WASI program arguments, environment variables,
 // preopened directories, and more, see `NewWasiImportObject`
 func NewDefaultWasiImportObject() *ImportObject {
-	var inner = cNewWasmerDefaultWasiImportObject()
+	return NewDefaultWasiImportObjectForVersion(Latest)
+}
+
+// NewDefaultWasiImportObjectForVersion is similar to
+// `NewDefaultWasiImportObject` but it specifies the WASI version.
+func NewDefaultWasiImportObjectForVersion(version WasiVersion) *ImportObject {
+	var inner = cNewWasmerWasiImportObjectForVersion((uint)(version), nil, 0, nil, 0, nil, 0, nil, 0)
 
 	return &ImportObject{inner}
 }
@@ -32,6 +55,24 @@ func NewWasiImportObject(
 	environmentVariables []string,
 	preopenedDirs []string,
 	mappedDirs []MapDirEntry,
+) *ImportObject {
+	return NewWasiImportObjectForVersion(
+		Latest,
+		arguments,
+		environmentVariables,
+		preopenedDirs,
+		mappedDirs,
+	)
+}
+
+// NewWasiImportObjectForVersion is similar to `NewWasiImportObject`
+// but it specifies the WASI version.
+func NewWasiImportObjectForVersion(
+	version WasiVersion,
+	arguments []string,
+	environmentVariables []string,
+	preopenedDirs []string,
+	mappedDirs []MapDirEntry,
 ) *ImportObject {
 	var argumentsBytes = []cWasmerByteArray{}
 
@@ -58,11 +99,23 @@ func NewWasiImportObject(
 	}
 
 	var inner = cNewWasmerWasiImportObject(
-		(*cWasmerByteArray)(unsafe.Pointer(&argumentsBytes)), len(argumentsBytes),
-		(*cWasmerByteArray)(unsafe.Pointer(&environmentVariablesBytes)), len(environmentVariablesBytes),
-		(*cWasmerByteArray)(unsafe.Pointer(&preopenedDirsBytes)), len(preopenedDirsBytes),
-		(*cWasmerWasiMapDirEntryT)(unsafe.Pointer(&mappedDirsBytes)), len(mappedDirsBytes),
+		(*cWasmerByteArray)(unsafe.Pointer(&argumentsBytes)),
+		(uint)(len(argumentsBytes)),
+		(*cWasmerByteArray)(unsafe.Pointer(&environmentVariablesBytes)),
+		(uint)(len(environmentVariablesBytes)),
+		(*cWasmerByteArray)(unsafe.Pointer(&preopenedDirsBytes)),
+		(uint)(len(preopenedDirsBytes)),
+		(*cWasmerWasiMapDirEntryT)(unsafe.Pointer(&mappedDirsBytes)),
+		(uint)(len(mappedDirsBytes)),
 	)
 
 	return &ImportObject{inner}
 }
+
+// WasiGetVersion returns the WASI version of a module if any, other
+// `Unknown` is returned.
+func WasiGetVersion(module Module) WasiVersion {
+	return (WasiVersion)(cWasmerWasiGetVersion(
+		module.module,
+	))
+}