Dec 19 06:40:06.525 INFO checking trost-lang/trostc against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:40:06.525 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/trost-lang/trostc:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:40:07.005 INFO [stdout] c3a8b2724c43369cb55c946795c7052ab7590762653aa2f5aabc6fdb0a490ca8
Dec 19 06:40:07.007 INFO running `"docker" "start" "-a" "c3a8b2724c43369cb55c946795c7052ab7590762653aa2f5aabc6fdb0a490ca8"`
Dec 19 06:40:09.785 INFO [stderr]     Checking libc v0.2.23
Dec 19 06:40:10.548 INFO [stderr]     Checking atty v0.2.2
Dec 19 06:40:10.743 INFO [stderr]     Checking clap v2.24.2
Dec 19 06:40:16.616 INFO [stderr]     Checking trostc v0.0.1 (/opt/crater/workdir)
Dec 19 06:40:16.916 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.20s
Dec 19 06:40:17.518 INFO running `"docker" "inspect" "c3a8b2724c43369cb55c946795c7052ab7590762653aa2f5aabc6fdb0a490ca8"`
Dec 19 06:40:17.738 INFO running `"docker" "rm" "-f" "c3a8b2724c43369cb55c946795c7052ab7590762653aa2f5aabc6fdb0a490ca8"`
Dec 19 06:40:18.000 INFO [stdout] c3a8b2724c43369cb55c946795c7052ab7590762653aa2f5aabc6fdb0a490ca8