msrv fixes

Author: apoelstra

contrib/test.sh

@@ -4,15 +4,20 @@ set -e
 
 FEATURES="compiler use-serde rand"
 
-# Use toolchain if explicitly specified
-if [ -n "$TOOLCHAIN" ]
-then
-    alias cargo="cargo +$TOOLCHAIN"
-fi
-
 cargo --version
 rustc --version
 
+MSRV=false
+if cargo --version | grep "1\.41\.0"; then
+    MSRV=true
+fi
+
+if [ "$MSRV" = true ]; then
+    cargo update -p url --precise 2.2.2
+    cargo update -p form_urlencoded --precise 1.0.1
+    cargo update -p once_cell --precise 1.13.1
+fi
+
 # Format if told to
 if [ "$DO_FMT" = true ]
 then

fuzz/Cargo.toml

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