Dec 19 20:21:24.912 INFO checking aritaku/Hello_World_Rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:21:24.912 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/aritaku/Hello_World_Rust:/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 20:21:25.384 INFO [stdout] c4d1c8e05be5793077754e7bee3a5d2a3bfbaca877abbfff85a9daff92a3dcef
Dec 19 20:21:25.386 INFO running `"docker" "start" "-a" "c4d1c8e05be5793077754e7bee3a5d2a3bfbaca877abbfff85a9daff92a3dcef"`
Dec 19 20:21:27.431 INFO [stderr] warning: unused manifest key: package.author
Dec 19 20:21:27.437 INFO [stderr]     Checking hello_world v0.0.1 (/opt/crater/workdir)
Dec 19 20:21:27.944 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Dec 19 20:21:28.824 INFO running `"docker" "inspect" "c4d1c8e05be5793077754e7bee3a5d2a3bfbaca877abbfff85a9daff92a3dcef"`
Dec 19 20:21:29.128 INFO running `"docker" "rm" "-f" "c4d1c8e05be5793077754e7bee3a5d2a3bfbaca877abbfff85a9daff92a3dcef"`
Dec 19 20:21:29.492 INFO [stdout] c4d1c8e05be5793077754e7bee3a5d2a3bfbaca877abbfff85a9daff92a3dcef