Dec 19 05:23:24.793 INFO checking x10an14/rust_start against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 05:23:24.794 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/x10an14/rust_start:/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 05:23:25.354 INFO [stdout] 0b9d8b31ebf67fa57607a15aba0e3dede96f82e5340992df8bfae55d0fdc32eb
Dec 19 05:23:25.358 INFO running `"docker" "start" "-a" "0b9d8b31ebf67fa57607a15aba0e3dede96f82e5340992df8bfae55d0fdc32eb"`
Dec 19 05:23:27.228 INFO [stderr]     Checking rand v0.3.15
Dec 19 05:23:28.672 INFO [stderr]     Checking guessing_game v0.4.1 (/opt/crater/workdir)
Dec 19 05:23:29.113 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
Dec 19 05:23:30.586 INFO running `"docker" "inspect" "0b9d8b31ebf67fa57607a15aba0e3dede96f82e5340992df8bfae55d0fdc32eb"`
Dec 19 05:23:30.874 INFO running `"docker" "rm" "-f" "0b9d8b31ebf67fa57607a15aba0e3dede96f82e5340992df8bfae55d0fdc32eb"`
Dec 19 05:23:31.213 INFO [stdout] 0b9d8b31ebf67fa57607a15aba0e3dede96f82e5340992df8bfae55d0fdc32eb