Dec 18 08:59:13.029 INFO checking yaml-rust-0.4.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:59:13.029 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/yaml-rust/0.4.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:59:13.260 INFO [stdout] 742f1a28fe0d5bec7b631bdab5dfe6a4b5306bbbaa9b1e2bab95cce61f9f9f05
Dec 18 08:59:13.266 INFO running `"docker" "start" "-a" "742f1a28fe0d5bec7b631bdab5dfe6a4b5306bbbaa9b1e2bab95cce61f9f9f05"`
Dec 18 08:59:14.217 INFO [stderr]     Checking yaml-rust v0.4.2 (/opt/crater/workdir)
Dec 18 08:59:14.222 INFO [stderr]     Checking env_logger v0.5.13
Dec 18 08:59:15.089 INFO [stderr]     Checking quickcheck v0.7.2
Dec 18 08:59:19.294 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.19s
Dec 18 08:59:19.970 INFO running `"docker" "inspect" "742f1a28fe0d5bec7b631bdab5dfe6a4b5306bbbaa9b1e2bab95cce61f9f9f05"`
Dec 18 08:59:20.090 INFO running `"docker" "rm" "-f" "742f1a28fe0d5bec7b631bdab5dfe6a4b5306bbbaa9b1e2bab95cce61f9f9f05"`
Dec 18 08:59:20.272 INFO [stdout] 742f1a28fe0d5bec7b631bdab5dfe6a4b5306bbbaa9b1e2bab95cce61f9f9f05