Dec 04 15:41:44.018 INFO checking knoby/cybercon against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 15:41:44.018 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 15:41:44.343 INFO [stdout] a851598b823d4146710b418c04c11b73eab1618eb33035758a6affa20db838fe
Dec 04 15:41:44.347 INFO running `"docker" "start" "-a" "a851598b823d4146710b418c04c11b73eab1618eb33035758a6affa20db838fe"`
Dec 04 15:41:45.231 INFO [stderr] usermod: no changes
Dec 04 15:41:45.281 INFO [stderr]     Checking cybercon v0.1.0 (/source)
Dec 04 15:41:45.950 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:41:45.951 INFO [stderr]  --> src/main.rs:6:2
Dec 04 15:41:45.951 INFO [stderr]   |
Dec 04 15:41:45.951 INFO [stderr] 6 |     cm_com::connect("/dev/ttyUSB0".to_string());
Dec 04 15:41:45.951 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:41:45.951 INFO [stderr]   |
Dec 04 15:41:45.951 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 04 15:41:45.951 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:41:45.951 INFO [stderr] 
Dec 04 15:41:46.219 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:41:46.219 INFO [stderr]  --> src/main.rs:6:2
Dec 04 15:41:46.219 INFO [stderr]   |
Dec 04 15:41:46.219 INFO [stderr] 6 |     cm_com::connect("/dev/ttyUSB0".to_string());
Dec 04 15:41:46.219 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:41:46.219 INFO [stderr]   |
Dec 04 15:41:46.219 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 04 15:41:46.219 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:41:46.219 INFO [stderr] 
Dec 04 15:41:46.255 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Dec 04 15:41:46.255 INFO [stderr] su: No module specific data is present
Dec 04 15:41:47.088 INFO running `"docker" "inspect" "a851598b823d4146710b418c04c11b73eab1618eb33035758a6affa20db838fe"`
Dec 04 15:41:47.518 INFO running `"docker" "rm" "-f" "a851598b823d4146710b418c04c11b73eab1618eb33035758a6affa20db838fe"`
Dec 04 15:41:47.851 INFO [stdout] a851598b823d4146710b418c04c11b73eab1618eb33035758a6affa20db838fe