Dec 17 16:49:15.001 INFO checking rom1v/mio-sample against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252 Dec 17 16:49:15.001 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/rom1v/mio-sample:/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 16:49:15.600 INFO [stdout] 1b4a2cc0af0cca5f838fc8b545c43f5f362711f09bbe8a88e568661ca8939612 Dec 17 16:49:15.606 INFO running `"docker" "start" "-a" "1b4a2cc0af0cca5f838fc8b545c43f5f362711f09bbe8a88e568661ca8939612"` Dec 17 16:49:18.988 INFO [stderr] Checking net2 v0.2.29 Dec 17 16:49:19.569 INFO [stderr] Checking mio v0.6.9 Dec 17 16:49:21.070 INFO [stderr] Checking mio-sample v0.1.0 (/opt/crater/workdir) Dec 17 16:49:21.556 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.65s Dec 17 16:49:22.862 INFO running `"docker" "inspect" "1b4a2cc0af0cca5f838fc8b545c43f5f362711f09bbe8a88e568661ca8939612"` Dec 17 16:49:23.178 INFO running `"docker" "rm" "-f" "1b4a2cc0af0cca5f838fc8b545c43f5f362711f09bbe8a88e568661ca8939612"` Dec 17 16:49:23.536 INFO [stdout] 1b4a2cc0af0cca5f838fc8b545c43f5f362711f09bbe8a88e568661ca8939612