Dec 19 15:04:17.505 INFO checking jnvsor/rusty-mines against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:04:17.505 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/jnvsor/rusty-mines:/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 15:04:17.892 INFO [stdout] a41daa6b20b5aec14a729c3e9b0d5fe5393274d266e8006bd14241ded14d4d17
Dec 19 15:04:17.894 INFO running `"docker" "start" "-a" "a41daa6b20b5aec14a729c3e9b0d5fe5393274d266e8006bd14241ded14d4d17"`
Dec 19 15:04:19.326 INFO [stderr]     Checking termion v1.5.1
Dec 19 15:04:19.326 INFO [stderr]     Checking structopt v0.1.6
Dec 19 15:04:20.105 INFO [stderr]     Checking rusty-mines v0.1.0 (/opt/crater/workdir)
Dec 19 15:04:20.581 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Dec 19 15:04:20.995 INFO running `"docker" "inspect" "a41daa6b20b5aec14a729c3e9b0d5fe5393274d266e8006bd14241ded14d4d17"`
Dec 19 15:04:21.158 INFO running `"docker" "rm" "-f" "a41daa6b20b5aec14a729c3e9b0d5fe5393274d266e8006bd14241ded14d4d17"`
Dec 19 15:04:21.262 INFO [stdout] a41daa6b20b5aec14a729c3e9b0d5fe5393274d266e8006bd14241ded14d4d17