Dec 19 13:53:56.909 INFO checking ladysamantha/flatarchive against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:53:56.909 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ladysamantha/flatarchive:/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 13:53:57.392 INFO [stdout] 2ee5d43a40a4be7ac2375a0655839a92d6613498be03dbd29bfc51c440fbd7a2
Dec 19 13:53:57.401 INFO running `"docker" "start" "-a" "2ee5d43a40a4be7ac2375a0655839a92d6613498be03dbd29bfc51c440fbd7a2"`
Dec 19 13:53:59.028 INFO [stderr]    Compiling bzip2-sys v0.1.6
Dec 19 13:54:01.325 INFO [stderr]     Checking bzip2 v0.3.3
Dec 19 13:54:01.768 INFO [stderr]     Checking flatarchive v0.0.1 (/opt/crater/workdir)
Dec 19 13:54:02.811 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
Dec 19 13:54:03.470 INFO running `"docker" "inspect" "2ee5d43a40a4be7ac2375a0655839a92d6613498be03dbd29bfc51c440fbd7a2"`
Dec 19 13:54:03.780 INFO running `"docker" "rm" "-f" "2ee5d43a40a4be7ac2375a0655839a92d6613498be03dbd29bfc51c440fbd7a2"`
Dec 19 13:54:04.086 INFO [stdout] 2ee5d43a40a4be7ac2375a0655839a92d6613498be03dbd29bfc51c440fbd7a2