Dec 17 16:49:23.477 INFO checking rom1v/mio-not-connected against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 16:49:23.477 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/rom1v/mio-not-connected:/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 16:49:24.008 INFO [stdout] c56f1331328a4d1fe8a4eab1adaddd60ef5c7c7870c3968ab6cf696b1436ee32
Dec 17 16:49:24.010 INFO running `"docker" "start" "-a" "c56f1331328a4d1fe8a4eab1adaddd60ef5c7c7870c3968ab6cf696b1436ee32"`
Dec 17 16:49:25.816 INFO [stderr]     Checking iovec v0.1.0
Dec 17 16:49:25.816 INFO [stderr]     Checking net2 v0.2.31
Dec 17 16:49:26.759 INFO [stderr]     Checking mio v0.6.10
Dec 17 16:49:28.308 INFO [stderr]     Checking mio-not-connected v0.1.0 (/opt/crater/workdir)
Dec 17 16:49:28.878 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
Dec 17 16:49:30.376 INFO running `"docker" "inspect" "c56f1331328a4d1fe8a4eab1adaddd60ef5c7c7870c3968ab6cf696b1436ee32"`
Dec 17 16:49:30.744 INFO running `"docker" "rm" "-f" "c56f1331328a4d1fe8a4eab1adaddd60ef5c7c7870c3968ab6cf696b1436ee32"`
Dec 17 16:49:31.094 INFO [stdout] c56f1331328a4d1fe8a4eab1adaddd60ef5c7c7870c3968ab6cf696b1436ee32