Dec 05 19:42:07.015 INFO testing jmacdonald/bright against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 19:42:07.015 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 05 19:42:07.460 INFO [stdout] 52010ce1fda0ff91801890bcd602ca60e717ba847f7da3ed9a75f00026a6425d
Dec 05 19:42:07.460 INFO running `"docker" "start" "-a" "52010ce1fda0ff91801890bcd602ca60e717ba847f7da3ed9a75f00026a6425d"`
Dec 05 19:42:08.614 INFO [stderr] usermod: no changes
Dec 05 19:42:08.648 INFO [stderr]    Compiling bright v0.1.0 (/source)
Dec 05 19:42:08.916 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 19:42:08.916 INFO [stderr]   --> src/main.rs:17:5
Dec 05 19:42:08.916 INFO [stderr]    |
Dec 05 19:42:08.916 INFO [stderr] 17 | /     File::open(Path::new("/sys/class/backlight/intel_backlight/actual_brightness"))
Dec 05 19:42:08.916 INFO [stderr] 18 | |         .expect("Couldn't read current brightness.")
Dec 05 19:42:08.916 INFO [stderr] 19 | |         .read_to_string(&mut current_brightness);
Dec 05 19:42:08.916 INFO [stderr]    | |_________________________________________________^
Dec 05 19:42:08.916 INFO [stderr]    |
Dec 05 19:42:08.916 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 19:42:08.916 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 19:42:08.916 INFO [stderr] 
Dec 05 19:42:08.916 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 19:42:08.916 INFO [stderr]   --> src/main.rs:28:5
Dec 05 19:42:08.916 INFO [stderr]    |
Dec 05 19:42:08.916 INFO [stderr] 28 | /     File::open(Path::new("/sys/class/backlight/intel_backlight/max_brightness"))
Dec 05 19:42:08.916 INFO [stderr] 29 | |         .expect("Couldn't read max brightness.")
Dec 05 19:42:08.916 INFO [stderr] 30 | |         .read_to_string(&mut max_brightness);
Dec 05 19:42:08.916 INFO [stderr]    | |_____________________________________________^
Dec 05 19:42:08.917 INFO [stderr]    |
Dec 05 19:42:08.917 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 19:42:08.917 INFO [stderr] 
Dec 05 19:42:09.241 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Dec 05 19:42:09.244 INFO [stderr] su: No module specific data is present
Dec 05 19:42:09.570 INFO running `"docker" "inspect" "52010ce1fda0ff91801890bcd602ca60e717ba847f7da3ed9a75f00026a6425d"`
Dec 05 19:42:09.673 INFO running `"docker" "rm" "-f" "52010ce1fda0ff91801890bcd602ca60e717ba847f7da3ed9a75f00026a6425d"`
Dec 05 19:42:09.789 INFO [stdout] 52010ce1fda0ff91801890bcd602ca60e717ba847f7da3ed9a75f00026a6425d
Dec 05 19:42:09.792 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 05 19:42:09.970 INFO [stdout] a711ab9d3eb12bcb5d58aa83b4f263cf3345f23351cfa81d34cc42b228f122bb
Dec 05 19:42:09.972 INFO running `"docker" "start" "-a" "a711ab9d3eb12bcb5d58aa83b4f263cf3345f23351cfa81d34cc42b228f122bb"`
Dec 05 19:42:10.345 INFO [stderr] usermod: no changes
Dec 05 19:42:10.370 INFO [stderr]    Compiling bright v0.1.0 (/source)
Dec 05 19:42:10.667 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 19:42:10.667 INFO [stderr]   --> src/main.rs:17:5
Dec 05 19:42:10.667 INFO [stderr]    |
Dec 05 19:42:10.667 INFO [stderr] 17 | /     File::open(Path::new("/sys/class/backlight/intel_backlight/actual_brightness"))
Dec 05 19:42:10.667 INFO [stderr] 18 | |         .expect("Couldn't read current brightness.")
Dec 05 19:42:10.667 INFO [stderr] 19 | |         .read_to_string(&mut current_brightness);
Dec 05 19:42:10.667 INFO [stderr]    | |_________________________________________________^
Dec 05 19:42:10.667 INFO [stderr]    |
Dec 05 19:42:10.667 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 19:42:10.667 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 19:42:10.667 INFO [stderr] 
Dec 05 19:42:10.667 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 19:42:10.667 INFO [stderr]   --> src/main.rs:28:5
Dec 05 19:42:10.667 INFO [stderr]    |
Dec 05 19:42:10.667 INFO [stderr] 28 | /     File::open(Path::new("/sys/class/backlight/intel_backlight/max_brightness"))
Dec 05 19:42:10.667 INFO [stderr] 29 | |         .expect("Couldn't read max brightness.")
Dec 05 19:42:10.667 INFO [stderr] 30 | |         .read_to_string(&mut max_brightness);
Dec 05 19:42:10.667 INFO [stderr]    | |_____________________________________________^
Dec 05 19:42:10.667 INFO [stderr]    |
Dec 05 19:42:10.667 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 19:42:10.667 INFO [stderr] 
Dec 05 19:42:10.890 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 05 19:42:10.892 INFO [stderr] su: No module specific data is present
Dec 05 19:42:11.138 INFO running `"docker" "inspect" "a711ab9d3eb12bcb5d58aa83b4f263cf3345f23351cfa81d34cc42b228f122bb"`
Dec 05 19:42:11.213 INFO running `"docker" "rm" "-f" "a711ab9d3eb12bcb5d58aa83b4f263cf3345f23351cfa81d34cc42b228f122bb"`
Dec 05 19:42:11.373 INFO [stdout] a711ab9d3eb12bcb5d58aa83b4f263cf3345f23351cfa81d34cc42b228f122bb
Dec 05 19:42:11.377 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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 05 19:42:11.604 INFO [stdout] 3e0ee5b6112dc0a314a016994683d64d92a666b58bbbd5c4ad4839ad10d92126
Dec 05 19:42:11.606 INFO running `"docker" "start" "-a" "3e0ee5b6112dc0a314a016994683d64d92a666b58bbbd5c4ad4839ad10d92126"`
Dec 05 19:42:12.728 INFO [stderr] usermod: no changes
Dec 05 19:42:12.784 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 05 19:42:12.796 INFO [stderr]      Running /target/debug/deps/bright-4d918cf73909c324
Dec 05 19:42:12.804 INFO [stdout] 
Dec 05 19:42:12.804 INFO [stderr] su: No module specific data is present
Dec 05 19:42:12.804 INFO [stdout] running 0 tests
Dec 05 19:42:12.804 INFO [stdout] 
Dec 05 19:42:12.804 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 19:42:12.804 INFO [stdout] 
Dec 05 19:42:13.463 INFO running `"docker" "inspect" "3e0ee5b6112dc0a314a016994683d64d92a666b58bbbd5c4ad4839ad10d92126"`
Dec 05 19:42:13.565 INFO running `"docker" "rm" "-f" "3e0ee5b6112dc0a314a016994683d64d92a666b58bbbd5c4ad4839ad10d92126"`
Dec 05 19:42:13.890 INFO [stdout] 3e0ee5b6112dc0a314a016994683d64d92a666b58bbbd5c4ad4839ad10d92126