Dec 17 22:09:48.034 INFO checking johnjv/guessing_game against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:09:48.035 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/johnjv/guessing_game:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:09:48.244 INFO [stdout] 6c55b1d5020b0c6159d2bb36fe8aab64ea5d95ba77c5eb2f92ffe04369b505eb
Dec 17 22:09:48.246 INFO running `"docker" "start" "-a" "6c55b1d5020b0c6159d2bb36fe8aab64ea5d95ba77c5eb2f92ffe04369b505eb"`
Dec 17 22:09:48.859 INFO [stderr]     Checking rand v0.3.14
Dec 17 22:09:49.848 INFO [stderr]     Checking guessing_game v0.1.0 (/opt/crater/workdir)
Dec 17 22:09:50.176 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Dec 17 22:09:50.679 INFO running `"docker" "inspect" "6c55b1d5020b0c6159d2bb36fe8aab64ea5d95ba77c5eb2f92ffe04369b505eb"`
Dec 17 22:09:50.858 INFO running `"docker" "rm" "-f" "6c55b1d5020b0c6159d2bb36fe8aab64ea5d95ba77c5eb2f92ffe04369b505eb"`
Dec 17 22:09:51.013 INFO [stdout] 6c55b1d5020b0c6159d2bb36fe8aab64ea5d95ba77c5eb2f92ffe04369b505eb