Dec 19 21:57:26.808 INFO checking SamYaple/waterrower-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:57:26.808 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/SamYaple/waterrower-rs:/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 21:57:27.352 INFO [stdout] 1f6a1ad5536ad463fbe0b4651d073f19fc1eb15b423eb49e492073a7d72920fc
Dec 19 21:57:27.358 INFO running `"docker" "start" "-a" "1f6a1ad5536ad463fbe0b4651d073f19fc1eb15b423eb49e492073a7d72920fc"`
Dec 19 21:57:28.609 INFO [stderr]     Checking ioctl-rs v0.1.5
Dec 19 21:57:28.609 INFO [stderr]     Checking termios v0.2.2
Dec 19 21:57:28.616 INFO [stderr]     Checking nix v0.7.0
Dec 19 21:57:29.176 INFO [stderr]     Checking serial v0.3.4
Dec 19 21:57:31.796 INFO [stderr]     Checking waterrower v0.1.0 (/opt/crater/workdir)
Dec 19 21:57:32.248 INFO [stderr] warning: unused import: `std::str`
Dec 19 21:57:32.248 INFO [stderr]   --> src/main.rs:11:5
Dec 19 21:57:32.248 INFO [stderr]    |
Dec 19 21:57:32.248 INFO [stderr] 11 | use std::str;
Dec 19 21:57:32.248 INFO [stderr]    |     ^^^^^^^^
Dec 19 21:57:32.248 INFO [stderr]    |
Dec 19 21:57:32.248 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 21:57:32.248 INFO [stderr] 
Dec 19 21:57:32.260 INFO [stderr] warning: unused import: `std::str`
Dec 19 21:57:32.260 INFO [stderr]   --> src/main.rs:11:5
Dec 19 21:57:32.260 INFO [stderr]    |
Dec 19 21:57:32.260 INFO [stderr] 11 | use std::str;
Dec 19 21:57:32.260 INFO [stderr]    |     ^^^^^^^^
Dec 19 21:57:32.260 INFO [stderr]    |
Dec 19 21:57:32.260 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 21:57:32.260 INFO [stderr] 
Dec 19 21:57:32.312 INFO [stderr] warning: unused variable: `serialtx`
Dec 19 21:57:32.312 INFO [stderr]   --> src/main.rs:33:10
Dec 19 21:57:32.312 INFO [stderr]    |
Dec 19 21:57:32.312 INFO [stderr] 33 |     let (serialtx, serialrx) = mpsc::channel();
Dec 19 21:57:32.312 INFO [stderr]    |          ^^^^^^^^ help: consider using `_serialtx` instead
Dec 19 21:57:32.312 INFO [stderr]    |
Dec 19 21:57:32.312 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:57:32.312 INFO [stderr] 
Dec 19 21:57:32.312 INFO [stderr] warning: unused variable: `serialtx`
Dec 19 21:57:32.312 INFO [stderr]   --> src/main.rs:33:10
Dec 19 21:57:32.312 INFO [stderr]    |
Dec 19 21:57:32.312 INFO [stderr] 33 |     let (serialtx, serialrx) = mpsc::channel();
Dec 19 21:57:32.312 INFO [stderr]    |          ^^^^^^^^ help: consider using `_serialtx` instead
Dec 19 21:57:32.312 INFO [stderr]    |
Dec 19 21:57:32.312 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:57:32.312 INFO [stderr] 
Dec 19 21:57:32.335 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:57:32.335 INFO [stderr]   --> src/main.rs:27:14
Dec 19 21:57:32.335 INFO [stderr]    |
Dec 19 21:57:32.335 INFO [stderr] 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Dec 19 21:57:32.335 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:57:32.335 INFO [stderr]    |
Dec 19 21:57:32.335 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 21:57:32.335 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:57:32.335 INFO [stderr] 
Dec 19 21:57:32.335 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:57:32.335 INFO [stderr]   --> src/main.rs:28:14
Dec 19 21:57:32.335 INFO [stderr]    |
Dec 19 21:57:32.335 INFO [stderr] 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Dec 19 21:57:32.335 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:57:32.335 INFO [stderr]    |
Dec 19 21:57:32.335 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:57:32.335 INFO [stderr] 
Dec 19 21:57:32.339 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:57:32.339 INFO [stderr]   --> src/main.rs:27:14
Dec 19 21:57:32.339 INFO [stderr]    |
Dec 19 21:57:32.339 INFO [stderr] 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Dec 19 21:57:32.339 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:57:32.339 INFO [stderr]    |
Dec 19 21:57:32.339 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 21:57:32.339 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:57:32.339 INFO [stderr] 
Dec 19 21:57:32.339 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:57:32.339 INFO [stderr]   --> src/main.rs:28:14
Dec 19 21:57:32.339 INFO [stderr]    |
Dec 19 21:57:32.339 INFO [stderr] 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Dec 19 21:57:32.339 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:57:32.339 INFO [stderr]    |
Dec 19 21:57:32.339 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:57:32.339 INFO [stderr] 
Dec 19 21:57:32.372 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
Dec 19 21:57:32.638 INFO running `"docker" "inspect" "1f6a1ad5536ad463fbe0b4651d073f19fc1eb15b423eb49e492073a7d72920fc"`
Dec 19 21:57:32.893 INFO running `"docker" "rm" "-f" "1f6a1ad5536ad463fbe0b4651d073f19fc1eb15b423eb49e492073a7d72920fc"`
Dec 19 21:57:33.018 INFO [stdout] 1f6a1ad5536ad463fbe0b4651d073f19fc1eb15b423eb49e492073a7d72920fc