Dec 19 13:48:55.793 INFO checking lawliet89/lines against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:48:55.793 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/lawliet89/lines:/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 13:48:56.216 INFO [stdout] d3bd52ae40d1af13e8b429a4c876828d2f2de9ec16dbd9c7a0e939c342060c73
Dec 19 13:48:56.224 INFO running `"docker" "start" "-a" "d3bd52ae40d1af13e8b429a4c876828d2f2de9ec16dbd9c7a0e939c342060c73"`
Dec 19 13:48:58.180 INFO [stderr]     Checking pbr v1.0.0
Dec 19 13:48:58.180 INFO [stderr]     Checking docopt v0.7.0
Dec 19 13:48:59.703 INFO [stderr]     Checking lines v0.1.0 (/opt/crater/workdir)
Dec 19 13:49:00.362 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
Dec 19 13:49:01.606 INFO running `"docker" "inspect" "d3bd52ae40d1af13e8b429a4c876828d2f2de9ec16dbd9c7a0e939c342060c73"`
Dec 19 13:49:01.862 INFO running `"docker" "rm" "-f" "d3bd52ae40d1af13e8b429a4c876828d2f2de9ec16dbd9c7a0e939c342060c73"`
Dec 19 13:49:02.200 INFO [stdout] d3bd52ae40d1af13e8b429a4c876828d2f2de9ec16dbd9c7a0e939c342060c73