Dec 17 22:12:32.801 INFO checking jnferner/number_guessing against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:12:32.801 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jnferner/number_guessing:/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 22:12:32.987 INFO [stdout] b3f51dafa21ac2c32fbd887f23e4e99a23149204fa2b9b7ad27d8364f33bb858
Dec 17 22:12:32.989 INFO running `"docker" "start" "-a" "b3f51dafa21ac2c32fbd887f23e4e99a23149204fa2b9b7ad27d8364f33bb858"`
Dec 17 22:12:33.568 INFO [stderr]     Checking number_guessing v0.1.0 (/opt/crater/workdir)
Dec 17 22:12:33.876 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
Dec 17 22:12:34.276 INFO running `"docker" "inspect" "b3f51dafa21ac2c32fbd887f23e4e99a23149204fa2b9b7ad27d8364f33bb858"`
Dec 17 22:12:34.366 INFO running `"docker" "rm" "-f" "b3f51dafa21ac2c32fbd887f23e4e99a23149204fa2b9b7ad27d8364f33bb858"`
Dec 17 22:12:34.460 INFO [stdout] b3f51dafa21ac2c32fbd887f23e4e99a23149204fa2b9b7ad27d8364f33bb858