Dec 19 14:12:55.925 INFO checking knoby/cybercon against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955 Dec 19 14:12:55.925 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/knoby/cybercon:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"` Dec 19 14:12:56.093 INFO [stdout] 875cd322f4fe74d042b2b34fb2fc8b458e11b68640d0efae24644a3ad1619326 Dec 19 14:12:56.095 INFO running `"docker" "start" "-a" "875cd322f4fe74d042b2b34fb2fc8b458e11b68640d0efae24644a3ad1619326"` Dec 19 14:12:56.677 INFO [stderr] Checking termios v0.2.2 Dec 19 14:12:56.677 INFO [stderr] Checking ioctl-rs v0.1.6 Dec 19 14:12:56.677 INFO [stderr] Checking serial-core v0.4.0 Dec 19 14:12:56.973 INFO [stderr] Checking serial-unix v0.4.0 Dec 19 14:12:57.236 INFO [stderr] Checking serial v0.4.0 Dec 19 14:12:57.435 INFO [stderr] Checking cybercon v0.1.0 (/opt/crater/workdir) Dec 19 14:12:57.652 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 14:12:57.652 INFO [stderr] --> src/main.rs:6:2 Dec 19 14:12:57.652 INFO [stderr] | Dec 19 14:12:57.652 INFO [stderr] 6 | cm_com::connect("/dev/ttyUSB0".to_string()); Dec 19 14:12:57.652 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 14:12:57.652 INFO [stderr] | Dec 19 14:12:57.652 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 19 14:12:57.652 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 14:12:57.652 INFO [stderr] Dec 19 14:12:57.760 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 14:12:57.760 INFO [stderr] --> src/main.rs:6:2 Dec 19 14:12:57.760 INFO [stderr] | Dec 19 14:12:57.760 INFO [stderr] 6 | cm_com::connect("/dev/ttyUSB0".to_string()); Dec 19 14:12:57.760 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 14:12:57.761 INFO [stderr] | Dec 19 14:12:57.761 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 19 14:12:57.761 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 14:12:57.761 INFO [stderr] Dec 19 14:12:57.804 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.13s Dec 19 14:12:58.175 INFO running `"docker" "inspect" "875cd322f4fe74d042b2b34fb2fc8b458e11b68640d0efae24644a3ad1619326"` Dec 19 14:12:58.364 INFO running `"docker" "rm" "-f" "875cd322f4fe74d042b2b34fb2fc8b458e11b68640d0efae24644a3ad1619326"` Dec 19 14:12:58.628 INFO [stdout] 875cd322f4fe74d042b2b34fb2fc8b458e11b68640d0efae24644a3ad1619326