Nov 28 02:19:51.417 INFO checking knoby/cybercon against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 02:19:51.417 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 02:19:51.741 INFO [stdout] b794590a9d2f297f0bc2fd7d6cbc7da24aaa0a752485f4764c6cb8f6bf6ac374
Nov 28 02:19:51.742 INFO running `"docker" "start" "-a" "b794590a9d2f297f0bc2fd7d6cbc7da24aaa0a752485f4764c6cb8f6bf6ac374"`
Nov 28 02:19:52.528 INFO [stderr] usermod: no changes
Nov 28 02:19:52.593 INFO [stderr]     Checking ioctl-rs v0.1.6
Nov 28 02:19:52.593 INFO [stderr]     Checking serial-core v0.4.0
Nov 28 02:19:52.593 INFO [stderr]     Checking termios v0.2.2
Nov 28 02:19:53.248 INFO [stderr]     Checking serial-unix v0.4.0
Nov 28 02:19:53.676 INFO [stderr]     Checking serial v0.4.0
Nov 28 02:19:54.072 INFO [stderr]     Checking cybercon v0.1.0 (/source)
Nov 28 02:19:54.696 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 02:19:54.696 INFO [stderr]  --> src/main.rs:6:2
Nov 28 02:19:54.696 INFO [stderr]   |
Nov 28 02:19:54.696 INFO [stderr] 6 |     cm_com::connect("/dev/ttyUSB0".to_string());
Nov 28 02:19:54.696 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:19:54.696 INFO [stderr]   |
Nov 28 02:19:54.696 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Nov 28 02:19:54.696 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 02:19:54.696 INFO [stderr] 
Nov 28 02:19:54.892 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 02:19:54.892 INFO [stderr]  --> src/main.rs:6:2
Nov 28 02:19:54.892 INFO [stderr]   |
Nov 28 02:19:54.892 INFO [stderr] 6 |     cm_com::connect("/dev/ttyUSB0".to_string());
Nov 28 02:19:54.892 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:19:54.892 INFO [stderr]   |
Nov 28 02:19:54.892 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Nov 28 02:19:54.892 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 02:19:54.892 INFO [stderr] 
Nov 28 02:19:54.957 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
Nov 28 02:19:54.960 INFO [stderr] su: No module specific data is present
Nov 28 02:19:55.832 INFO running `"docker" "inspect" "b794590a9d2f297f0bc2fd7d6cbc7da24aaa0a752485f4764c6cb8f6bf6ac374"`
Nov 28 02:19:56.098 INFO running `"docker" "rm" "-f" "b794590a9d2f297f0bc2fd7d6cbc7da24aaa0a752485f4764c6cb8f6bf6ac374"`
Nov 28 02:19:56.334 INFO [stdout] b794590a9d2f297f0bc2fd7d6cbc7da24aaa0a752485f4764c6cb8f6bf6ac374