Dec 12 07:43:10.345 INFO checking serial-unix-0.4.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 07:43:10.345 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 07:43:10.636 INFO [stdout] 43312aa0cdb9a1e7f2c017abda192d330daebfa13cf515c6d24acabf56d3b6e2
Dec 12 07:43:10.642 INFO running `"docker" "start" "-a" "43312aa0cdb9a1e7f2c017abda192d330daebfa13cf515c6d24acabf56d3b6e2"`
Dec 12 07:43:11.636 INFO [stderr] usermod: no changes
Dec 12 07:43:11.675 INFO [stderr]     Checking ioctl-rs v0.1.6
Dec 12 07:43:11.675 INFO [stderr]     Checking serial-core v0.4.0
Dec 12 07:43:11.675 INFO [stderr]     Checking termios v0.2.2
Dec 12 07:43:12.721 INFO [stderr]     Checking serial-unix v0.4.0 (/source)
Dec 12 07:43:14.084 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
Dec 12 07:43:14.088 INFO [stderr] su: No module specific data is present
Dec 12 07:43:14.519 INFO running `"docker" "inspect" "43312aa0cdb9a1e7f2c017abda192d330daebfa13cf515c6d24acabf56d3b6e2"`
Dec 12 07:43:14.691 INFO running `"docker" "rm" "-f" "43312aa0cdb9a1e7f2c017abda192d330daebfa13cf515c6d24acabf56d3b6e2"`
Dec 12 07:43:14.874 INFO [stdout] 43312aa0cdb9a1e7f2c017abda192d330daebfa13cf515c6d24acabf56d3b6e2