Dec 19 10:24:32.887 INFO checking raskad/poker against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 10:24:32.887 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/raskad/poker:/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 10:24:33.312 INFO [stdout] 52a1db0808293388c0c2a7d6b9b93fa74810bf27ee06faa06055921a3a08a95c
Dec 19 10:24:33.318 INFO running `"docker" "start" "-a" "52a1db0808293388c0c2a7d6b9b93fa74810bf27ee06faa06055921a3a08a95c"`
Dec 19 10:24:34.524 INFO [stderr]    Compiling libc v0.2.44
Dec 19 10:24:34.529 INFO [stderr]    Compiling serde_derive v1.0.82
Dec 19 10:24:37.218 INFO [stderr]     Checking rand v0.6.1
Dec 19 10:24:53.147 INFO [stderr]     Checking poker v0.1.0 (/opt/crater/workdir)
Dec 19 10:24:54.344 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.88s
Dec 19 10:24:55.152 INFO running `"docker" "inspect" "52a1db0808293388c0c2a7d6b9b93fa74810bf27ee06faa06055921a3a08a95c"`
Dec 19 10:24:55.466 INFO running `"docker" "rm" "-f" "52a1db0808293388c0c2a7d6b9b93fa74810bf27ee06faa06055921a3a08a95c"`
Dec 19 10:24:55.706 INFO [stdout] 52a1db0808293388c0c2a7d6b9b93fa74810bf27ee06faa06055921a3a08a95c