Dec 17 15:39:28.917 INFO checking seven1m/gopher-in-rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 15:39:28.917 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:39:29.416 INFO [stdout] 9f8de14f7fd08c47b0d8c5ba2301cb5fdbfc6a0e22bbb170b64399266bbe4d93
Dec 17 15:39:29.420 INFO running `"docker" "start" "-a" "9f8de14f7fd08c47b0d8c5ba2301cb5fdbfc6a0e22bbb170b64399266bbe4d93"`
Dec 17 15:39:31.012 INFO [stderr]     Checking thread_local v0.3.4
Dec 17 15:39:31.421 INFO [stderr]     Checking regex v0.2.2
Dec 17 15:39:33.900 INFO [stderr]     Checking gopher-in-rust v0.1.0 (/opt/crater/workdir)
Dec 17 15:39:34.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.66s
Dec 17 15:39:35.544 INFO running `"docker" "inspect" "9f8de14f7fd08c47b0d8c5ba2301cb5fdbfc6a0e22bbb170b64399266bbe4d93"`
Dec 17 15:39:35.856 INFO running `"docker" "rm" "-f" "9f8de14f7fd08c47b0d8c5ba2301cb5fdbfc6a0e22bbb170b64399266bbe4d93"`
Dec 17 15:39:36.179 INFO [stdout] 9f8de14f7fd08c47b0d8c5ba2301cb5fdbfc6a0e22bbb170b64399266bbe4d93