Dec 05 09:08:04.780 INFO checking piston-0.39.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 09:08:04.780 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 09:08:05.103 INFO [stdout] 033197ddb710d5158c43d736f60a50f5b793ab853a01027fb08ef54e0af02ac8
Dec 05 09:08:05.111 INFO running `"docker" "start" "-a" "033197ddb710d5158c43d736f60a50f5b793ab853a01027fb08ef54e0af02ac8"`
Dec 05 09:08:06.702 INFO [stderr] usermod: no changes
Dec 05 09:08:06.879 INFO [stderr]     Checking piston-viewport v0.5.0
Dec 05 09:08:07.559 INFO [stderr]     Checking pistoncore-input v0.23.0
Dec 05 09:08:10.804 INFO [stderr]     Checking pistoncore-window v0.34.0
Dec 05 09:08:12.408 INFO [stderr]     Checking pistoncore-event_loop v0.39.0
Dec 05 09:08:13.947 INFO [stderr]     Checking piston v0.39.0 (/source)
Dec 05 09:08:16.484 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.75s
Dec 05 09:08:16.491 INFO [stderr] su: No module specific data is present
Dec 05 09:08:17.567 INFO running `"docker" "inspect" "033197ddb710d5158c43d736f60a50f5b793ab853a01027fb08ef54e0af02ac8"`
Dec 05 09:08:17.995 INFO running `"docker" "rm" "-f" "033197ddb710d5158c43d736f60a50f5b793ab853a01027fb08ef54e0af02ac8"`
Dec 05 09:08:18.211 INFO [stdout] 033197ddb710d5158c43d736f60a50f5b793ab853a01027fb08ef54e0af02ac8