Dec 12 10:04:05.668 INFO checking piston-0.39.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 10:04:05.668 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 10:04:06.064 INFO [stdout] b3ed35c1cd12a8d4a6fbeeca548925e37fa776d1e72ee096b72f33d69e4ebbfa
Dec 12 10:04:06.074 INFO running `"docker" "start" "-a" "b3ed35c1cd12a8d4a6fbeeca548925e37fa776d1e72ee096b72f33d69e4ebbfa"`
Dec 12 10:04:07.182 INFO [stderr] usermod: no changes
Dec 12 10:04:07.316 INFO [stderr]     Checking pistoncore-window v0.34.0
Dec 12 10:04:09.128 INFO [stderr]     Checking pistoncore-event_loop v0.39.0
Dec 12 10:04:10.900 INFO [stderr]     Checking piston v0.39.0 (/source)
Dec 12 10:04:13.388 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.17s
Dec 12 10:04:13.388 INFO [stderr] su: No module specific data is present
Dec 12 10:04:14.342 INFO running `"docker" "inspect" "b3ed35c1cd12a8d4a6fbeeca548925e37fa776d1e72ee096b72f33d69e4ebbfa"`
Dec 12 10:04:14.644 INFO running `"docker" "rm" "-f" "b3ed35c1cd12a8d4a6fbeeca548925e37fa776d1e72ee096b72f33d69e4ebbfa"`
Dec 12 10:04:14.924 INFO [stdout] b3ed35c1cd12a8d4a6fbeeca548925e37fa776d1e72ee096b72f33d69e4ebbfa