Dec 04 15:41:44.255 INFO checking knoby/cybercon against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 15:41:44.256 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 04 15:41:44.500 INFO [stdout] a4a1354e497406429fd4aab7a8d3e1ce89841251e4c7fece979821b246745c40
Dec 04 15:41:44.507 INFO running `"docker" "start" "-a" "a4a1354e497406429fd4aab7a8d3e1ce89841251e4c7fece979821b246745c40"`
Dec 04 15:41:45.423 INFO [stderr] usermod: no changes
Dec 04 15:41:45.474 INFO [stderr]     Checking ioctl-rs v0.1.6
Dec 04 15:41:45.477 INFO [stderr]     Checking serial-core v0.4.0
Dec 04 15:41:45.955 INFO [stderr]     Checking serial-unix v0.4.0
Dec 04 15:41:46.495 INFO [stderr]     Checking serial v0.4.0
Dec 04 15:41:46.843 INFO [stderr]     Checking cybercon v0.1.0 (/source)
Dec 04 15:41:47.645 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:41:47.645 INFO [stderr]  --> src/main.rs:6:2
Dec 04 15:41:47.645 INFO [stderr]   |
Dec 04 15:41:47.645 INFO [stderr] 6 |     cm_com::connect("/dev/ttyUSB0".to_string());
Dec 04 15:41:47.645 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:41:47.645 INFO [stderr]   |
Dec 04 15:41:47.645 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 04 15:41:47.645 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:41:47.645 INFO [stderr] 
Dec 04 15:41:47.731 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:41:47.731 INFO [stderr]  --> src/main.rs:6:2
Dec 04 15:41:47.731 INFO [stderr]   |
Dec 04 15:41:47.731 INFO [stderr] 6 |     cm_com::connect("/dev/ttyUSB0".to_string());
Dec 04 15:41:47.731 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:41:47.731 INFO [stderr]   |
Dec 04 15:41:47.731 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 04 15:41:47.731 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:41:47.731 INFO [stderr] 
Dec 04 15:41:47.782 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
Dec 04 15:41:47.783 INFO [stderr] su: No module specific data is present
Dec 04 15:41:48.325 INFO running `"docker" "inspect" "a4a1354e497406429fd4aab7a8d3e1ce89841251e4c7fece979821b246745c40"`
Dec 04 15:41:48.619 INFO running `"docker" "rm" "-f" "a4a1354e497406429fd4aab7a8d3e1ce89841251e4c7fece979821b246745c40"`
Dec 04 15:41:48.786 INFO [stdout] a4a1354e497406429fd4aab7a8d3e1ce89841251e4c7fece979821b246745c40