[INFO] cloning repository https://github.com/nukmuk/mutelightv2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nukmuk/mutelightv2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnukmuk%2Fmutelightv2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnukmuk%2Fmutelightv2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65abeab36f845c4dd69dbcecc0b1104bedcdbc01
[INFO] checking nukmuk/mutelightv2 against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnukmuk%2Fmutelightv2" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nukmuk/mutelightv2
[INFO] finished tweaking git repo https://github.com/nukmuk/mutelightv2
[INFO] tweaked toml for git repo https://github.com/nukmuk/mutelightv2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nukmuk/mutelightv2 on toolchain fc5af1813307d25a84d633f21e2e53c9376eb547
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nukmuk/mutelightv2 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" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cue-sdk-sys v0.0.5
[INFO] [stderr]   Downloaded cue-sdk v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b472401fd43be1c2dfda1f9efa61b5c7702b1104eb1ae32c4c014dc80c0ed9e
[INFO] running `Command { std: "docker" "start" "-a" "0b472401fd43be1c2dfda1f9efa61b5c7702b1104eb1ae32c4c014dc80c0ed9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b472401fd43be1c2dfda1f9efa61b5c7702b1104eb1ae32c4c014dc80c0ed9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b472401fd43be1c2dfda1f9efa61b5c7702b1104eb1ae32c4c014dc80c0ed9e", kill_on_drop: false }`
[INFO] [stdout] 0b472401fd43be1c2dfda1f9efa61b5c7702b1104eb1ae32c4c014dc80c0ed9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7f1ac8b4cd298787ac33cd87e9e2531d91e8b9af9c35c505e52676fc3ba55c9
[INFO] running `Command { std: "docker" "start" "-a" "d7f1ac8b4cd298787ac33cd87e9e2531d91e8b9af9c35c505e52676fc3ba55c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.52.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking ucd-trie v0.1.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cue-sdk-sys v0.0.5
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking windows-targets v0.52.0
[INFO] [stderr]     Checking windows-core v0.52.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling windows-interface v0.52.0
[INFO] [stderr]    Compiling windows-implement v0.52.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking windows v0.52.0
[INFO] [stderr]     Checking pest v2.7.4
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking cue-sdk v0.0.3
[INFO] [stderr]     Checking mutelightv2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DeviceEnumerator` is never constructed
[INFO] [stdout]   --> src/main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct DeviceEnumerator(IMMDeviceEnumerator);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DeviceEnumerator` is never constructed
[INFO] [stdout]   --> src/main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct DeviceEnumerator(IMMDeviceEnumerator);
[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 41.84s
[INFO] running `Command { std: "docker" "inspect" "d7f1ac8b4cd298787ac33cd87e9e2531d91e8b9af9c35c505e52676fc3ba55c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f1ac8b4cd298787ac33cd87e9e2531d91e8b9af9c35c505e52676fc3ba55c9", kill_on_drop: false }`
[INFO] [stdout] d7f1ac8b4cd298787ac33cd87e9e2531d91e8b9af9c35c505e52676fc3ba55c9