Dec 17 22:02:55.003 INFO checking jpsamper2009/guessing_game against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:02:55.003 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jpsamper2009/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 22:02:55.496 INFO [stdout] f3f98971bc2a17d0f06a150b32b95ef186da10066ca0a2db5bd5d36885ad6fa9
Dec 17 22:02:55.498 INFO running `"docker" "start" "-a" "f3f98971bc2a17d0f06a150b32b95ef186da10066ca0a2db5bd5d36885ad6fa9"`
Dec 17 22:02:57.253 INFO [stderr]     Checking rand v0.3.15
Dec 17 22:02:58.768 INFO [stderr]     Checking guessing_game v0.1.0 (/opt/crater/workdir)
Dec 17 22:02:59.236 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
Dec 17 22:03:00.398 INFO running `"docker" "inspect" "f3f98971bc2a17d0f06a150b32b95ef186da10066ca0a2db5bd5d36885ad6fa9"`
Dec 17 22:03:00.658 INFO running `"docker" "rm" "-f" "f3f98971bc2a17d0f06a150b32b95ef186da10066ca0a2db5bd5d36885ad6fa9"`
Dec 17 22:03:00.903 INFO [stdout] f3f98971bc2a17d0f06a150b32b95ef186da10066ca0a2db5bd5d36885ad6fa9