Dec 19 05:31:17.966 INFO checking willsalz/inverted_index against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 05:31:17.966 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/willsalz/inverted_index:/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 05:31:18.474 INFO [stdout] 50ad63d2519e4653a1fa449f86cc7a432ad6021867012133e0314c2aa41ade9a
Dec 19 05:31:18.476 INFO running `"docker" "start" "-a" "50ad63d2519e4653a1fa449f86cc7a432ad6021867012133e0314c2aa41ade9a"`
Dec 19 05:31:20.255 INFO [stderr]     Checking libc v0.2.18
Dec 19 05:31:20.913 INFO [stderr]     Checking rand v0.3.15
Dec 19 05:31:22.200 INFO [stderr]     Checking inverted_index v0.1.0 (/opt/crater/workdir)
Dec 19 05:31:22.828 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
Dec 19 05:31:23.848 INFO running `"docker" "inspect" "50ad63d2519e4653a1fa449f86cc7a432ad6021867012133e0314c2aa41ade9a"`
Dec 19 05:31:24.292 INFO running `"docker" "rm" "-f" "50ad63d2519e4653a1fa449f86cc7a432ad6021867012133e0314c2aa41ade9a"`
Dec 19 05:31:24.520 INFO [stdout] 50ad63d2519e4653a1fa449f86cc7a432ad6021867012133e0314c2aa41ade9a