Merge rust-bitcoin/rust-miniscript#458: Disable honggfuzz features

3bfb9388d923427e6546c3f9892d3875396b88c4 Disable honggfuzz features (Tobin C. Harding)

Pull request description:

  Looks like fuzzing is broken.

  Disable `hongfuzz` default features as we did in `rust-bitcoin`.

ACKs for top commit:
  apoelstra:
    ACK 3bfb9388d923427e6546c3f9892d3875396b88c4

Tree-SHA512: 1dfd92d428a17c9a5735ed66c058cc99aa5d6a7706aded4c005f9b091aeb3d7a3082d4d5d6d14065e1da71289a6c28e7cc38d97f909f4037d0978916b5b03c94

Author: heap-coder

fuzz/Cargo.toml

@@ -12,7 +12,7 @@ afl_fuzz = ["afl"]
 honggfuzz_fuzz = ["honggfuzz"]
 
 [dependencies]
-honggfuzz = { version = "0.5", optional = true }
+honggfuzz = { version = "0.5", default-features = false, optional = true }
 afl = { version = "0.8", optional = true }
 regex = { version = "1.4"}
 miniscript = { path = "..", features = ["compiler"] }

fuzz/travis-fuzz.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 set -e
-cargo install --force honggfuzz
+cargo install --force honggfuzz --no-default-features
 for TARGET in fuzz_targets/*; do
     FILENAME=$(basename $TARGET)
 	FILE="${FILENAME%.*}"