Dec 19 20:20:40.891 INFO checking arminha/magic-packet against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:20:40.891 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/arminha/magic-packet:/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 20:20:41.308 INFO [stdout] 0b688318c34e1b57100fcdcc65673535e1d0fc765607e87e4a0f1da96182c3b0
Dec 19 20:20:41.310 INFO running `"docker" "start" "-a" "0b688318c34e1b57100fcdcc65673535e1d0fc765607e87e4a0f1da96182c3b0"`
Dec 19 20:20:42.919 INFO [stderr]    Compiling aho-corasick v0.6.9
Dec 19 20:20:42.928 INFO [stderr]    Compiling clap v2.32.0
Dec 19 20:20:44.280 INFO [stderr]    Compiling regex v1.1.0
Dec 19 20:20:58.585 INFO [stderr]    Compiling magic-packet v0.1.0 (/opt/crater/workdir)
Dec 19 20:21:01.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.64s
Dec 19 20:21:02.136 INFO running `"docker" "inspect" "0b688318c34e1b57100fcdcc65673535e1d0fc765607e87e4a0f1da96182c3b0"`
Dec 19 20:21:02.490 INFO running `"docker" "rm" "-f" "0b688318c34e1b57100fcdcc65673535e1d0fc765607e87e4a0f1da96182c3b0"`
Dec 19 20:21:02.912 INFO [stdout] 0b688318c34e1b57100fcdcc65673535e1d0fc765607e87e4a0f1da96182c3b0