Dec 17 15:28:37.261 INFO checking shunp/rust_iron_api against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 15:28:37.261 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/shunp/rust_iron_api:/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 17 15:28:37.786 INFO [stdout] c42277c63d468e8902de74433d955fd29df4dd892a98b5aeff3fc9c3141ab800
Dec 17 15:28:37.787 INFO running `"docker" "start" "-a" "c42277c63d468e8902de74433d955fd29df4dd892a98b5aeff3fc9c3141ab800"`
Dec 17 15:28:39.626 INFO [stderr]    Compiling mime_guess v1.8.6
Dec 17 15:28:43.467 INFO [stderr]     Checking iron v0.6.0
Dec 17 15:28:44.216 INFO [stderr]     Checking sample3 v0.1.0 (/opt/crater/workdir)
Dec 17 15:28:44.944 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.47s
Dec 17 15:28:45.748 INFO running `"docker" "inspect" "c42277c63d468e8902de74433d955fd29df4dd892a98b5aeff3fc9c3141ab800"`
Dec 17 15:28:46.128 INFO running `"docker" "rm" "-f" "c42277c63d468e8902de74433d955fd29df4dd892a98b5aeff3fc9c3141ab800"`
Dec 17 15:28:46.476 INFO [stdout] c42277c63d468e8902de74433d955fd29df4dd892a98b5aeff3fc9c3141ab800