Dec 04 18:42:37.943 INFO checking flipdot/arduino-serial-send against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 18:42:37.943 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 18:42:38.508 INFO [stdout] f27c3e383fc2bcfc1cffb2bd71420f236bd24034c3c4d6cf133dc77fa6d885bf
Dec 04 18:42:38.510 INFO running `"docker" "start" "-a" "f27c3e383fc2bcfc1cffb2bd71420f236bd24034c3c4d6cf133dc77fa6d885bf"`
Dec 04 18:42:40.366 INFO [stderr] usermod: no changes
Dec 04 18:42:40.479 INFO [stderr]     Checking termios v0.2.2
Dec 04 18:42:40.479 INFO [stderr]     Checking ioctl-rs v0.1.5
Dec 04 18:42:40.479 INFO [stderr]     Checking clap v2.20.3
Dec 04 18:42:41.775 INFO [stderr]     Checking serial v0.3.4
Dec 04 18:42:47.223 INFO [stderr]     Checking arduino-serial-send v0.1.0 (/source)
Dec 04 18:42:48.587 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.19s
Dec 04 18:42:48.591 INFO [stderr] su: No module specific data is present
Dec 04 18:42:49.691 INFO running `"docker" "inspect" "f27c3e383fc2bcfc1cffb2bd71420f236bd24034c3c4d6cf133dc77fa6d885bf"`
Dec 04 18:42:50.037 INFO running `"docker" "rm" "-f" "f27c3e383fc2bcfc1cffb2bd71420f236bd24034c3c4d6cf133dc77fa6d885bf"`
Dec 04 18:42:50.491 INFO [stdout] f27c3e383fc2bcfc1cffb2bd71420f236bd24034c3c4d6cf133dc77fa6d885bf