Dec 17 15:39:25.841 INFO checking seven1m/gopher-in-rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:39:25.841 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/seven1m/gopher-in-rust:/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 15:39:26.266 INFO [stdout] 63d7dfd2849a7a82c086d928e8c795896303db04e841ab8545d337cb6195e6e8
Dec 17 15:39:26.268 INFO running `"docker" "start" "-a" "63d7dfd2849a7a82c086d928e8c795896303db04e841ab8545d337cb6195e6e8"`
Dec 17 15:39:28.268 INFO [stderr]     Checking thread_local v0.3.4
Dec 17 15:39:28.648 INFO [stderr]     Checking regex v0.2.2
Dec 17 15:39:30.793 INFO [stderr]     Checking gopher-in-rust v0.1.0 (/opt/crater/workdir)
Dec 17 15:39:31.371 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
Dec 17 15:39:32.220 INFO running `"docker" "inspect" "63d7dfd2849a7a82c086d928e8c795896303db04e841ab8545d337cb6195e6e8"`
Dec 17 15:39:32.626 INFO running `"docker" "rm" "-f" "63d7dfd2849a7a82c086d928e8c795896303db04e841ab8545d337cb6195e6e8"`
Dec 17 15:39:32.889 INFO [stdout] 63d7dfd2849a7a82c086d928e8c795896303db04e841ab8545d337cb6195e6e8