[INFO] cloning repository https://github.com/AlexFence/l1ght
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexFence/l1ght" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexFence%2Fl1ght", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexFence%2Fl1ght'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c136c42f98e22304f3bbe91b4b77e2621529472
[INFO] testing AlexFence/l1ght against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexFence%2Fl1ght" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AlexFence/l1ght
[INFO] finished tweaking git repo https://github.com/AlexFence/l1ght
[INFO] tweaked toml for git repo https://github.com/AlexFence/l1ght written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlexFence/l1ght on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlexFence/l1ght already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2505feab5860be0d09d49f4caaf0b50f06daf1de3b454fa251887778443fc06b
[INFO] running `Command { std: "docker" "start" "-a" "2505feab5860be0d09d49f4caaf0b50f06daf1de3b454fa251887778443fc06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2505feab5860be0d09d49f4caaf0b50f06daf1de3b454fa251887778443fc06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2505feab5860be0d09d49f4caaf0b50f06daf1de3b454fa251887778443fc06b", kill_on_drop: false }`
[INFO] [stdout] 2505feab5860be0d09d49f4caaf0b50f06daf1de3b454fa251887778443fc06b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a96903bb4b9a6c0e6675e7efa3c2548513f1430f8bfa3cee153edefb0fc8d33
[INFO] running `Command { std: "docker" "start" "-a" "0a96903bb4b9a6c0e6675e7efa3c2548513f1430f8bfa3cee153edefb0fc8d33", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling udev v0.9.0
[INFO] [stderr]    Compiling l1ght v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_brightness` is never used
[INFO] [stdout]    --> src/backlight.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 69  | impl Backlight {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn get_brightness(&self) -> Result<i32, io::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "0a96903bb4b9a6c0e6675e7efa3c2548513f1430f8bfa3cee153edefb0fc8d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a96903bb4b9a6c0e6675e7efa3c2548513f1430f8bfa3cee153edefb0fc8d33", kill_on_drop: false }`
[INFO] [stdout] 0a96903bb4b9a6c0e6675e7efa3c2548513f1430f8bfa3cee153edefb0fc8d33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99fad3634d58933fb451a7f0a60ea64911e2244281c22287bd816ee75a9d7574
[INFO] running `Command { std: "docker" "start" "-a" "99fad3634d58933fb451a7f0a60ea64911e2244281c22287bd816ee75a9d7574", kill_on_drop: false }`
[INFO] [stderr]    Compiling l1ght v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_brightness` is never used
[INFO] [stdout]    --> src/backlight.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 69  | impl Backlight {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn get_brightness(&self) -> Result<i32, io::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "99fad3634d58933fb451a7f0a60ea64911e2244281c22287bd816ee75a9d7574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99fad3634d58933fb451a7f0a60ea64911e2244281c22287bd816ee75a9d7574", kill_on_drop: false }`
[INFO] [stdout] 99fad3634d58933fb451a7f0a60ea64911e2244281c22287bd816ee75a9d7574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa1160e950c0082b2f49a9e1ee1479c0ac60d948bd629734dc4ee71bca37f876
[INFO] running `Command { std: "docker" "start" "-a" "fa1160e950c0082b2f49a9e1ee1479c0ac60d948bd629734dc4ee71bca37f876", kill_on_drop: false }`
[INFO] [stderr] warning: method `get_brightness` is never used
[INFO] [stderr]    --> src/backlight.rs:103:12
[INFO] [stderr]     |
[INFO] [stderr] 69  | impl Backlight {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 103 |     pub fn get_brightness(&self) -> Result<i32, io::Error> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `l1ght` (bin "l1ght" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/l1ght-a8d674156348ee60)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa1160e950c0082b2f49a9e1ee1479c0ac60d948bd629734dc4ee71bca37f876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1160e950c0082b2f49a9e1ee1479c0ac60d948bd629734dc4ee71bca37f876", kill_on_drop: false }`
[INFO] [stdout] fa1160e950c0082b2f49a9e1ee1479c0ac60d948bd629734dc4ee71bca37f876
