[INFO] cloning repository https://github.com/sunny4381/brightness
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunny4381/brightness" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunny4381%2Fbrightness", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunny4381%2Fbrightness'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bf590b9057464706d60dd93e7a7604f1e375278
[INFO] checking sunny4381/brightness against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunny4381%2Fbrightness" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sunny4381/brightness on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sunny4381/brightness
[INFO] finished tweaking git repo https://github.com/sunny4381/brightness
[INFO] tweaked toml for git repo https://github.com/sunny4381/brightness written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sunny4381/brightness already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v1.3.0
[INFO] [stderr]   Downloaded num-rational v0.1.36
[INFO] [stderr]   Downloaded aho-corasick v0.6.2
[INFO] [stderr]   Downloaded thread-id v3.0.0
[INFO] [stderr]   Downloaded adler32 v0.3.0
[INFO] [stderr]   Downloaded gif v0.9.1
[INFO] [stderr]   Downloaded num-traits v0.1.37
[INFO] [stderr]   Downloaded num-iter v0.1.33
[INFO] [stderr]   Downloaded libc v0.2.20
[INFO] [stderr]   Downloaded docopt v0.7.0
[INFO] [stderr]   Downloaded deque v0.3.1
[INFO] [stderr]   Downloaded deflate v0.7.4
[INFO] [stderr]   Downloaded regex v0.2.1
[INFO] [stderr]   Downloaded rayon v0.6.0
[INFO] [stderr]   Downloaded image v0.12.3
[INFO] [stderr]   Downloaded inflate v0.1.1
[INFO] [stderr]   Downloaded regex-syntax v0.4.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.11
[INFO] [stderr]   Downloaded num-integer v0.1.33
[INFO] [stderr]   Downloaded png v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 335f2fa11c9ad6d7513c3dd1f10ca80c40958dd03cb46c4a78fbefde3f5ab3af
[INFO] running `Command { std: "docker" "start" "-a" "335f2fa11c9ad6d7513c3dd1f10ca80c40958dd03cb46c4a78fbefde3f5ab3af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "335f2fa11c9ad6d7513c3dd1f10ca80c40958dd03cb46c4a78fbefde3f5ab3af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335f2fa11c9ad6d7513c3dd1f10ca80c40958dd03cb46c4a78fbefde3f5ab3af", kill_on_drop: false }`
[INFO] [stdout] 335f2fa11c9ad6d7513c3dd1f10ca80c40958dd03cb46c4a78fbefde3f5ab3af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e00b323ba0aab4463bd9f3bbca9c0f308b39ecd2d19803bb210f0dcc3a8c1bdf
[INFO] running `Command { std: "docker" "start" "-a" "e00b323ba0aab4463bd9f3bbca9c0f308b39ecd2d19803bb210f0dcc3a8c1bdf", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking adler32 v0.3.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking num_cpus v1.3.0
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking deflate v0.7.4
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking rayon v0.6.0
[INFO] [stderr]     Checking gif v0.9.1
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.11
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking image v0.12.3
[INFO] [stderr]     Checking docopt v0.7.0
[INFO] [stderr]     Checking brightness v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/main.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/main.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.06s
[INFO] running `Command { std: "docker" "inspect" "e00b323ba0aab4463bd9f3bbca9c0f308b39ecd2d19803bb210f0dcc3a8c1bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e00b323ba0aab4463bd9f3bbca9c0f308b39ecd2d19803bb210f0dcc3a8c1bdf", kill_on_drop: false }`
[INFO] [stdout] e00b323ba0aab4463bd9f3bbca9c0f308b39ecd2d19803bb210f0dcc3a8c1bdf