Dec 19 17:42:07.057 INFO checking dustMason/fnv_hash against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:42:07.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/dustMason/fnv_hash:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:42:07.548 INFO [stdout] f5b0f94f7d1c2ad2f97f7494884db3c4970098615f1dfdc05e93d62946ac6c4e
Dec 19 17:42:07.554 INFO running `"docker" "start" "-a" "f5b0f94f7d1c2ad2f97f7494884db3c4970098615f1dfdc05e93d62946ac6c4e"`
Dec 19 17:42:08.906 INFO [stderr]    Compiling libcruby-sys v0.7.3
Dec 19 17:42:09.912 INFO [stderr]     Checking helix v0.7.3
Dec 19 17:42:10.269 INFO [stderr]     Checking fnv_hash v0.1.0 (/opt/crater/workdir)
Dec 19 17:42:10.606 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
Dec 19 17:42:10.865 INFO running `"docker" "inspect" "f5b0f94f7d1c2ad2f97f7494884db3c4970098615f1dfdc05e93d62946ac6c4e"`
Dec 19 17:42:10.988 INFO running `"docker" "rm" "-f" "f5b0f94f7d1c2ad2f97f7494884db3c4970098615f1dfdc05e93d62946ac6c4e"`
Dec 19 17:42:11.058 INFO [stdout] f5b0f94f7d1c2ad2f97f7494884db3c4970098615f1dfdc05e93d62946ac6c4e