Dec 19 05:53:24.317 INFO checking vrishe/guessing-game against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 05:53:24.318 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/vrishe/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:53:24.946 INFO [stdout] a2c09cb532a36bfe1943c65dfccfdbfad296213479cb1cfde5c6d3adaee108a2
Dec 19 05:53:24.948 INFO running `"docker" "start" "-a" "a2c09cb532a36bfe1943c65dfccfdbfad296213479cb1cfde5c6d3adaee108a2"`
Dec 19 05:53:28.237 INFO [stderr]     Checking libc v0.2.11
Dec 19 05:53:28.882 INFO [stderr]     Checking rand v0.3.14
Dec 19 05:53:30.070 INFO [stderr]     Checking guessing_game v0.1.0 (/opt/crater/workdir)
Dec 19 05:53:30.509 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
Dec 19 05:53:31.948 INFO running `"docker" "inspect" "a2c09cb532a36bfe1943c65dfccfdbfad296213479cb1cfde5c6d3adaee108a2"`
Dec 19 05:53:32.308 INFO running `"docker" "rm" "-f" "a2c09cb532a36bfe1943c65dfccfdbfad296213479cb1cfde5c6d3adaee108a2"`
Dec 19 05:53:32.775 INFO [stdout] a2c09cb532a36bfe1943c65dfccfdbfad296213479cb1cfde5c6d3adaee108a2