Dec 17 23:13:34.217 INFO checking howeih/Day-13-Roots-of-polynomial against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:13:34.217 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/howeih/Day-13-Roots-of-polynomial:/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 23:13:34.426 INFO [stdout] 0f54a23060a8c2012c501607403f8b27297fd3971c6a28b12a1484a92e59a236
Dec 17 23:13:34.427 INFO running `"docker" "start" "-a" "0f54a23060a8c2012c501607403f8b27297fd3971c6a28b12a1484a92e59a236"`
Dec 17 23:13:35.079 INFO [stderr]     Checking rulinalg v0.4.2
Dec 17 23:13:37.812 INFO [stderr]     Checking roots_of_polynomial v0.1.0 (/opt/crater/workdir)
Dec 17 23:13:38.079 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
Dec 17 23:13:38.289 INFO running `"docker" "inspect" "0f54a23060a8c2012c501607403f8b27297fd3971c6a28b12a1484a92e59a236"`
Dec 17 23:13:38.357 INFO running `"docker" "rm" "-f" "0f54a23060a8c2012c501607403f8b27297fd3971c6a28b12a1484a92e59a236"`
Dec 17 23:13:38.459 INFO [stdout] 0f54a23060a8c2012c501607403f8b27297fd3971c6a28b12a1484a92e59a236