Nov 29 23:56:55.844 INFO checking knoby/cybercon against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 23:56:55.844 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 29 23:56:56.216 INFO [stdout] 8f673e8c9b48485fb94b2aacea0e28ce518b480f7fbd57ccfc3f2756d1de79d3
Nov 29 23:56:56.220 INFO running `"docker" "start" "-a" "8f673e8c9b48485fb94b2aacea0e28ce518b480f7fbd57ccfc3f2756d1de79d3"`
Nov 29 23:56:56.796 INFO [stderr] usermod: no changes
Nov 29 23:56:56.847 INFO [stderr]     Checking serial-core v0.4.0
Nov 29 23:56:56.847 INFO [stderr]     Checking ioctl-rs v0.1.6
Nov 29 23:56:57.308 INFO [stderr]     Checking serial-unix v0.4.0
Nov 29 23:56:57.696 INFO [stderr]     Checking serial v0.4.0
Nov 29 23:56:58.008 INFO [stderr]     Checking cybercon v0.1.0 (/source)
Nov 29 23:56:58.433 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 23:56:58.433 INFO [stderr]  --> src/main.rs:6:2
Nov 29 23:56:58.433 INFO [stderr]   |
Nov 29 23:56:58.433 INFO [stderr] 6 |     cm_com::connect("/dev/ttyUSB0".to_string());
Nov 29 23:56:58.433 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:56:58.433 INFO [stderr]   |
Nov 29 23:56:58.433 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Nov 29 23:56:58.433 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 23:56:58.433 INFO [stderr] 
Nov 29 23:56:58.656 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 23:56:58.656 INFO [stderr]  --> src/main.rs:6:2
Nov 29 23:56:58.656 INFO [stderr]   |
Nov 29 23:56:58.656 INFO [stderr] 6 |     cm_com::connect("/dev/ttyUSB0".to_string());
Nov 29 23:56:58.656 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:56:58.656 INFO [stderr]   |
Nov 29 23:56:58.656 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Nov 29 23:56:58.656 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 23:56:58.656 INFO [stderr] 
Nov 29 23:56:58.688 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
Nov 29 23:56:58.688 INFO [stderr] su: No module specific data is present
Nov 29 23:56:59.482 INFO running `"docker" "inspect" "8f673e8c9b48485fb94b2aacea0e28ce518b480f7fbd57ccfc3f2756d1de79d3"`
Nov 29 23:56:59.770 INFO running `"docker" "rm" "-f" "8f673e8c9b48485fb94b2aacea0e28ce518b480f7fbd57ccfc3f2756d1de79d3"`
Nov 29 23:56:59.859 INFO [stdout] 8f673e8c9b48485fb94b2aacea0e28ce518b480f7fbd57ccfc3f2756d1de79d3