Dec 19 10:10:16.376 INFO checking richardjennings/rust_4 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 10:10:16.376 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/richardjennings/rust_4:/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 10:10:16.604 INFO [stdout] 76fad16b6e9ffe2a6bc4b512ff6cb873ee2a949e1fbb89e5f76a74ea3179bffc
Dec 19 10:10:16.606 INFO running `"docker" "start" "-a" "76fad16b6e9ffe2a6bc4b512ff6cb873ee2a949e1fbb89e5f76a74ea3179bffc"`
Dec 19 10:10:17.676 INFO [stderr]     Checking rust_4 v0.1.0 (/opt/crater/workdir)
Dec 19 10:10:17.932 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
Dec 19 10:10:18.745 INFO running `"docker" "inspect" "76fad16b6e9ffe2a6bc4b512ff6cb873ee2a949e1fbb89e5f76a74ea3179bffc"`
Dec 19 10:10:18.974 INFO running `"docker" "rm" "-f" "76fad16b6e9ffe2a6bc4b512ff6cb873ee2a949e1fbb89e5f76a74ea3179bffc"`
Dec 19 10:10:19.381 INFO [stdout] 76fad16b6e9ffe2a6bc4b512ff6cb873ee2a949e1fbb89e5f76a74ea3179bffc