Nov 28 03:15:05.198 INFO checking jmacdonald/bright against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 03:15:05.198 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 03:15:05.436 INFO [stdout] 97df58cc0cf6d29fa7776d92f3e97687580c4486cc90a28917e1d2f8135d94f1
Nov 28 03:15:05.438 INFO running `"docker" "start" "-a" "97df58cc0cf6d29fa7776d92f3e97687580c4486cc90a28917e1d2f8135d94f1"`
Nov 28 03:15:06.376 INFO [stderr] usermod: no changes
Nov 28 03:15:06.424 INFO [stderr]     Checking bright v0.1.0 (/source)
Nov 28 03:15:06.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 03:15:06.868 INFO [stderr]   --> src/main.rs:17:5
Nov 28 03:15:06.868 INFO [stderr]    |
Nov 28 03:15:06.868 INFO [stderr] 17 | /     File::open(Path::new("/sys/class/backlight/intel_backlight/actual_brightness"))
Nov 28 03:15:06.868 INFO [stderr] 18 | |         .expect("Couldn't read current brightness.")
Nov 28 03:15:06.868 INFO [stderr] 19 | |         .read_to_string(&mut current_brightness);
Nov 28 03:15:06.868 INFO [stderr]    | |_________________________________________________^
Nov 28 03:15:06.868 INFO [stderr]    |
Nov 28 03:15:06.868 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 03:15:06.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 03:15:06.868 INFO [stderr] 
Nov 28 03:15:06.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 03:15:06.868 INFO [stderr]   --> src/main.rs:28:5
Nov 28 03:15:06.868 INFO [stderr]    |
Nov 28 03:15:06.868 INFO [stderr] 28 | /     File::open(Path::new("/sys/class/backlight/intel_backlight/max_brightness"))
Nov 28 03:15:06.868 INFO [stderr] 29 | |         .expect("Couldn't read max brightness.")
Nov 28 03:15:06.868 INFO [stderr] 30 | |         .read_to_string(&mut max_brightness);
Nov 28 03:15:06.868 INFO [stderr]    | |_____________________________________________^
Nov 28 03:15:06.868 INFO [stderr]    |
Nov 28 03:15:06.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 03:15:06.868 INFO [stderr] 
Nov 28 03:15:06.963 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 03:15:06.963 INFO [stderr]   --> src/main.rs:17:5
Nov 28 03:15:06.963 INFO [stderr]    |
Nov 28 03:15:06.963 INFO [stderr] 17 | /     File::open(Path::new("/sys/class/backlight/intel_backlight/actual_brightness"))
Nov 28 03:15:06.963 INFO [stderr] 18 | |         .expect("Couldn't read current brightness.")
Nov 28 03:15:06.963 INFO [stderr] 19 | |         .read_to_string(&mut current_brightness);
Nov 28 03:15:06.963 INFO [stderr]    | |_________________________________________________^
Nov 28 03:15:06.963 INFO [stderr]    |
Nov 28 03:15:06.963 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 03:15:06.963 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 03:15:06.963 INFO [stderr] 
Nov 28 03:15:06.963 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 03:15:06.963 INFO [stderr]   --> src/main.rs:28:5
Nov 28 03:15:06.963 INFO [stderr]    |
Nov 28 03:15:06.963 INFO [stderr] 28 | /     File::open(Path::new("/sys/class/backlight/intel_backlight/max_brightness"))
Nov 28 03:15:06.963 INFO [stderr] 29 | |         .expect("Couldn't read max brightness.")
Nov 28 03:15:06.963 INFO [stderr] 30 | |         .read_to_string(&mut max_brightness);
Nov 28 03:15:06.963 INFO [stderr]    | |_____________________________________________^
Nov 28 03:15:06.963 INFO [stderr]    |
Nov 28 03:15:06.963 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 03:15:06.964 INFO [stderr] 
Nov 28 03:15:06.985 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Nov 28 03:15:06.987 INFO [stderr] su: No module specific data is present
Nov 28 03:15:07.526 INFO running `"docker" "inspect" "97df58cc0cf6d29fa7776d92f3e97687580c4486cc90a28917e1d2f8135d94f1"`
Nov 28 03:15:07.850 INFO running `"docker" "rm" "-f" "97df58cc0cf6d29fa7776d92f3e97687580c4486cc90a28917e1d2f8135d94f1"`
Nov 28 03:15:08.097 INFO [stdout] 97df58cc0cf6d29fa7776d92f3e97687580c4486cc90a28917e1d2f8135d94f1