Dec 19 06:01:08.904 INFO checking vl4dimir/polumenta-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:01:08.904 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/vl4dimir/polumenta-rs:/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 06:01:09.337 INFO [stdout] 350e41af2805f5d98cf8a2289ef4543b80e8ecab655dd457bc8e9f2069426df7
Dec 19 06:01:09.339 INFO running `"docker" "start" "-a" "350e41af2805f5d98cf8a2289ef4543b80e8ecab655dd457bc8e9f2069426df7"`
Dec 19 06:01:12.128 INFO [stderr]     Checking libc v0.2.28
Dec 19 06:01:13.195 INFO [stderr]     Checking rand v0.3.16
Dec 19 06:01:14.432 INFO [stderr]     Checking polumenta-rs v0.1.0 (/opt/crater/workdir)
Dec 19 06:01:14.727 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
Dec 19 06:01:15.600 INFO running `"docker" "inspect" "350e41af2805f5d98cf8a2289ef4543b80e8ecab655dd457bc8e9f2069426df7"`
Dec 19 06:01:15.892 INFO running `"docker" "rm" "-f" "350e41af2805f5d98cf8a2289ef4543b80e8ecab655dd457bc8e9f2069426df7"`
Dec 19 06:01:16.132 INFO [stdout] 350e41af2805f5d98cf8a2289ef4543b80e8ecab655dd457bc8e9f2069426df7