Dec 04 16:33:00.398 INFO checking jmacdonald/bright against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 16:33:00.398 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 16:33:00.612 INFO [stdout] d42c8a4b4ca8287c8620e1e469ca3beb1af1c1c2ecdbaf4d999fc74739c72187
Dec 04 16:33:00.614 INFO running `"docker" "start" "-a" "d42c8a4b4ca8287c8620e1e469ca3beb1af1c1c2ecdbaf4d999fc74739c72187"`
Dec 04 16:33:01.438 INFO [stderr] usermod: no changes
Dec 04 16:33:01.511 INFO [stderr]     Checking bright v0.1.0 (/source)
Dec 04 16:33:02.059 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:33:02.059 INFO [stderr]   --> src/main.rs:17:5
Dec 04 16:33:02.059 INFO [stderr]    |
Dec 04 16:33:02.059 INFO [stderr] 17 | /     File::open(Path::new("/sys/class/backlight/intel_backlight/actual_brightness"))
Dec 04 16:33:02.059 INFO [stderr] 18 | |         .expect("Couldn't read current brightness.")
Dec 04 16:33:02.059 INFO [stderr] 19 | |         .read_to_string(&mut current_brightness);
Dec 04 16:33:02.059 INFO [stderr]    | |_________________________________________________^
Dec 04 16:33:02.059 INFO [stderr]    |
Dec 04 16:33:02.059 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 16:33:02.059 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:33:02.059 INFO [stderr] 
Dec 04 16:33:02.060 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:33:02.060 INFO [stderr]   --> src/main.rs:28:5
Dec 04 16:33:02.060 INFO [stderr]    |
Dec 04 16:33:02.060 INFO [stderr] 28 | /     File::open(Path::new("/sys/class/backlight/intel_backlight/max_brightness"))
Dec 04 16:33:02.060 INFO [stderr] 29 | |         .expect("Couldn't read max brightness.")
Dec 04 16:33:02.060 INFO [stderr] 30 | |         .read_to_string(&mut max_brightness);
Dec 04 16:33:02.060 INFO [stderr]    | |_____________________________________________^
Dec 04 16:33:02.060 INFO [stderr]    |
Dec 04 16:33:02.060 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:33:02.060 INFO [stderr] 
Dec 04 16:33:02.067 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:33:02.067 INFO [stderr]   --> src/main.rs:17:5
Dec 04 16:33:02.067 INFO [stderr]    |
Dec 04 16:33:02.067 INFO [stderr] 17 | /     File::open(Path::new("/sys/class/backlight/intel_backlight/actual_brightness"))
Dec 04 16:33:02.067 INFO [stderr] 18 | |         .expect("Couldn't read current brightness.")
Dec 04 16:33:02.067 INFO [stderr] 19 | |         .read_to_string(&mut current_brightness);
Dec 04 16:33:02.067 INFO [stderr]    | |_________________________________________________^
Dec 04 16:33:02.067 INFO [stderr]    |
Dec 04 16:33:02.067 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 16:33:02.067 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:33:02.067 INFO [stderr] 
Dec 04 16:33:02.067 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:33:02.067 INFO [stderr]   --> src/main.rs:28:5
Dec 04 16:33:02.067 INFO [stderr]    |
Dec 04 16:33:02.067 INFO [stderr] 28 | /     File::open(Path::new("/sys/class/backlight/intel_backlight/max_brightness"))
Dec 04 16:33:02.067 INFO [stderr] 29 | |         .expect("Couldn't read max brightness.")
Dec 04 16:33:02.067 INFO [stderr] 30 | |         .read_to_string(&mut max_brightness);
Dec 04 16:33:02.067 INFO [stderr]    | |_____________________________________________^
Dec 04 16:33:02.067 INFO [stderr]    |
Dec 04 16:33:02.067 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:33:02.067 INFO [stderr] 
Dec 04 16:33:02.091 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 04 16:33:02.093 INFO [stderr] su: No module specific data is present
Dec 04 16:33:02.699 INFO running `"docker" "inspect" "d42c8a4b4ca8287c8620e1e469ca3beb1af1c1c2ecdbaf4d999fc74739c72187"`
Dec 04 16:33:02.955 INFO running `"docker" "rm" "-f" "d42c8a4b4ca8287c8620e1e469ca3beb1af1c1c2ecdbaf4d999fc74739c72187"`
Dec 04 16:33:03.197 INFO [stdout] d42c8a4b4ca8287c8620e1e469ca3beb1af1c1c2ecdbaf4d999fc74739c72187