Dec 18 05:30:20.095 INFO checking SamYaple/waterrower-rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:30:20.095 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:30:20.317 INFO [stdout] ba8e4bc974125d1fe41fd779394b978f574c54c198f5a08803461f6159e77295
Dec 18 05:30:20.325 INFO running `"docker" "start" "-a" "ba8e4bc974125d1fe41fd779394b978f574c54c198f5a08803461f6159e77295"`
Dec 18 05:30:21.154 INFO [stderr]     Checking termios v0.2.2
Dec 18 05:30:21.155 INFO [stderr]     Checking ioctl-rs v0.1.5
Dec 18 05:30:21.168 INFO [stderr]     Checking nix v0.7.0
Dec 18 05:30:21.768 INFO [stderr]     Checking serial v0.3.4
Dec 18 05:30:24.467 INFO [stderr]     Checking waterrower v0.1.0 (/opt/crater/workdir)
Dec 18 05:30:24.745 INFO [stderr] warning: unused import: `std::str`
Dec 18 05:30:24.745 INFO [stderr]   --> src/main.rs:11:5
Dec 18 05:30:24.745 INFO [stderr]    |
Dec 18 05:30:24.745 INFO [stderr] 11 | use std::str;
Dec 18 05:30:24.745 INFO [stderr]    |     ^^^^^^^^
Dec 18 05:30:24.745 INFO [stderr]    |
Dec 18 05:30:24.745 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 05:30:24.745 INFO [stderr] 
Dec 18 05:30:24.795 INFO [stderr] warning: unused variable: `serialtx`
Dec 18 05:30:24.795 INFO [stderr]   --> src/main.rs:33:10
Dec 18 05:30:24.795 INFO [stderr]    |
Dec 18 05:30:24.795 INFO [stderr] 33 |     let (serialtx, serialrx) = mpsc::channel();
Dec 18 05:30:24.795 INFO [stderr]    |          ^^^^^^^^ help: consider using `_serialtx` instead
Dec 18 05:30:24.795 INFO [stderr]    |
Dec 18 05:30:24.795 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:30:24.795 INFO [stderr] 
Dec 18 05:30:24.803 INFO [stderr] warning: unused import: `std::str`
Dec 18 05:30:24.803 INFO [stderr]   --> src/main.rs:11:5
Dec 18 05:30:24.803 INFO [stderr]    |
Dec 18 05:30:24.803 INFO [stderr] 11 | use std::str;
Dec 18 05:30:24.803 INFO [stderr]    |     ^^^^^^^^
Dec 18 05:30:24.803 INFO [stderr]    |
Dec 18 05:30:24.803 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 05:30:24.803 INFO [stderr] 
Dec 18 05:30:24.830 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:30:24.830 INFO [stderr]   --> src/main.rs:27:14
Dec 18 05:30:24.830 INFO [stderr]    |
Dec 18 05:30:24.830 INFO [stderr] 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Dec 18 05:30:24.830 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:30:24.830 INFO [stderr]    |
Dec 18 05:30:24.830 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 05:30:24.830 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:30:24.830 INFO [stderr] 
Dec 18 05:30:24.830 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:30:24.830 INFO [stderr]   --> src/main.rs:28:14
Dec 18 05:30:24.830 INFO [stderr]    |
Dec 18 05:30:24.830 INFO [stderr] 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Dec 18 05:30:24.830 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:30:24.830 INFO [stderr]    |
Dec 18 05:30:24.830 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:30:24.830 INFO [stderr] 
Dec 18 05:30:24.850 INFO [stderr] warning: unused variable: `serialtx`
Dec 18 05:30:24.850 INFO [stderr]   --> src/main.rs:33:10
Dec 18 05:30:24.850 INFO [stderr]    |
Dec 18 05:30:24.850 INFO [stderr] 33 |     let (serialtx, serialrx) = mpsc::channel();
Dec 18 05:30:24.850 INFO [stderr]    |          ^^^^^^^^ help: consider using `_serialtx` instead
Dec 18 05:30:24.850 INFO [stderr]    |
Dec 18 05:30:24.850 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:30:24.850 INFO [stderr] 
Dec 18 05:30:24.873 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:30:24.873 INFO [stderr]   --> src/main.rs:27:14
Dec 18 05:30:24.874 INFO [stderr]    |
Dec 18 05:30:24.874 INFO [stderr] 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Dec 18 05:30:24.874 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:30:24.874 INFO [stderr]    |
Dec 18 05:30:24.874 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 05:30:24.874 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:30:24.874 INFO [stderr] 
Dec 18 05:30:24.874 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:30:24.874 INFO [stderr]   --> src/main.rs:28:14
Dec 18 05:30:24.874 INFO [stderr]    |
Dec 18 05:30:24.874 INFO [stderr] 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Dec 18 05:30:24.874 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:30:24.874 INFO [stderr]    |
Dec 18 05:30:24.874 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:30:24.874 INFO [stderr] 
Dec 18 05:30:24.891 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
Dec 18 05:30:25.126 INFO running `"docker" "inspect" "ba8e4bc974125d1fe41fd779394b978f574c54c198f5a08803461f6159e77295"`
Dec 18 05:30:25.256 INFO running `"docker" "rm" "-f" "ba8e4bc974125d1fe41fd779394b978f574c54c198f5a08803461f6159e77295"`
Dec 18 05:30:25.369 INFO [stdout] ba8e4bc974125d1fe41fd779394b978f574c54c198f5a08803461f6159e77295