Dec 19 10:21:17.480 INFO checking realbogart/rust_test against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:21:17.480 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/realbogart/rust_test:/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 10:21:17.925 INFO [stdout] 1e966f237c3cbb02d5b2ca17aa0874c30de29835c2376ad508591c2b562e5cab
Dec 19 10:21:17.932 INFO running `"docker" "start" "-a" "1e966f237c3cbb02d5b2ca17aa0874c30de29835c2376ad508591c2b562e5cab"`
Dec 19 10:21:19.777 INFO [stderr]     Checking same-file v1.0.0
Dec 19 10:21:20.176 INFO [stderr]     Checking walkdir v2.0.1
Dec 19 10:21:20.680 INFO [stderr]     Checking countlines v0.1.0 (/opt/crater/workdir)
Dec 19 10:21:21.061 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
Dec 19 10:21:22.282 INFO running `"docker" "inspect" "1e966f237c3cbb02d5b2ca17aa0874c30de29835c2376ad508591c2b562e5cab"`
Dec 19 10:21:22.632 INFO running `"docker" "rm" "-f" "1e966f237c3cbb02d5b2ca17aa0874c30de29835c2376ad508591c2b562e5cab"`
Dec 19 10:21:22.968 INFO [stdout] 1e966f237c3cbb02d5b2ca17aa0874c30de29835c2376ad508591c2b562e5cab