Dec 19 09:51:29.782 INFO checking rsolomo/cargo-check against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 09:51:29.782 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/rsolomo/cargo-check:/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 09:51:30.115 INFO [stdout] d8013f4c24674395a558438351fc07fc0632de50adc84dd56ac40345bd35c2d2
Dec 19 09:51:30.122 INFO running `"docker" "start" "-a" "d8013f4c24674395a558438351fc07fc0632de50adc84dd56ac40345bd35c2d2"`
Dec 19 09:51:31.646 INFO [stderr]     Checking serde v0.8.17
Dec 19 09:51:31.646 INFO [stderr]     Checking num-traits v0.1.35
Dec 19 09:51:36.668 INFO [stderr]     Checking serde_json v0.8.3
Dec 19 09:51:37.861 INFO [stderr]     Checking cargo-check v0.2.2 (/opt/crater/workdir)
Dec 19 09:51:38.405 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.80s
Dec 19 09:51:39.472 INFO running `"docker" "inspect" "d8013f4c24674395a558438351fc07fc0632de50adc84dd56ac40345bd35c2d2"`
Dec 19 09:51:39.702 INFO running `"docker" "rm" "-f" "d8013f4c24674395a558438351fc07fc0632de50adc84dd56ac40345bd35c2d2"`
Dec 19 09:51:39.971 INFO [stdout] d8013f4c24674395a558438351fc07fc0632de50adc84dd56ac40345bd35c2d2