[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 try#c0a9760914bada211f4924ee16d41ae1a366d2ba for pr-148545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnukmuk%2Fmutelightv2" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nukmuk/mutelightv2 on toolchain c0a9760914bada211f4924ee16d41ae1a366d2ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "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" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.49
[INFO] [stderr]   Downloaded thiserror-impl v1.0.49
[INFO] [stderr]   Downloaded cue-sdk-sys v0.0.5
[INFO] [stderr]   Downloaded cue-sdk v0.0.3
[INFO] [stderr]   Downloaded pest v2.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a50fd6d0cabbec109e82276d19177f16d14a5c0bc9dbda777eb8c05b5e9ec0ed
[INFO] running `Command { std: "docker" "start" "-a" "a50fd6d0cabbec109e82276d19177f16d14a5c0bc9dbda777eb8c05b5e9ec0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a50fd6d0cabbec109e82276d19177f16d14a5c0bc9dbda777eb8c05b5e9ec0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50fd6d0cabbec109e82276d19177f16d14a5c0bc9dbda777eb8c05b5e9ec0ed", kill_on_drop: false }`
[INFO] [stdout] a50fd6d0cabbec109e82276d19177f16d14a5c0bc9dbda777eb8c05b5e9ec0ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8c0b89e4e8396a6db43bc73945b4abb373d589431b37b6ef3313abc6ce31a48
[INFO] running `Command { std: "docker" "start" "-a" "c8c0b89e4e8396a6db43bc73945b4abb373d589431b37b6ef3313abc6ce31a48", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.52.0
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking ucd-trie v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling cue-sdk-sys v0.0.5
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking windows-targets v0.52.0
[INFO] [stderr]     Checking windows-core v0.52.0
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling windows-implement v0.52.0
[INFO] [stderr]    Compiling windows-interface v0.52.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pest v2.7.4
[INFO] [stderr]     Checking windows v0.52.0
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.61s
[INFO] running `Command { std: "docker" "inspect" "c8c0b89e4e8396a6db43bc73945b4abb373d589431b37b6ef3313abc6ce31a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c0b89e4e8396a6db43bc73945b4abb373d589431b37b6ef3313abc6ce31a48", kill_on_drop: false }`
[INFO] [stdout] c8c0b89e4e8396a6db43bc73945b4abb373d589431b37b6ef3313abc6ce31a48