[INFO] cloning repository https://github.com/k-v09/Mirage
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k-v09/Mirage" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-v09%2FMirage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-v09%2FMirage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d8396d6331dc173af88281bf524111d43f799c2
[INFO] testing k-v09/Mirage against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-v09%2FMirage" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/k-v09/Mirage
[INFO] finished tweaking git repo https://github.com/k-v09/Mirage
[INFO] tweaked toml for git repo https://github.com/k-v09/Mirage written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/k-v09/Mirage on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/k-v09/Mirage 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-interface v0.56.0
[INFO] [stderr]   Downloaded coremidi-sys v3.2.0
[INFO] [stderr]   Downloaded windows-result v0.1.2
[INFO] [stderr]   Downloaded windows-implement v0.56.0
[INFO] [stderr]   Downloaded coremidi v0.8.0
[INFO] [stderr]   Downloaded windows-core v0.56.0
[INFO] [stderr]   Downloaded midir v0.10.1
[INFO] [stderr]   Downloaded alsa v0.9.1
[INFO] [stderr]   Downloaded web-sys v0.3.77
[INFO] [stderr]   Downloaded windows v0.56.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e742470259e3c0085ae93d838c8403d95ec34fd9669deed052022a552d59f9b
[INFO] running `Command { std: "docker" "start" "-a" "7e742470259e3c0085ae93d838c8403d95ec34fd9669deed052022a552d59f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e742470259e3c0085ae93d838c8403d95ec34fd9669deed052022a552d59f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e742470259e3c0085ae93d838c8403d95ec34fd9669deed052022a552d59f9b", kill_on_drop: false }`
[INFO] [stdout] 7e742470259e3c0085ae93d838c8403d95ec34fd9669deed052022a552d59f9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 997fa663471fe21bd1b31e26db3b75b777ac67fec4cdec935ff146723b70ac4c
[INFO] running `Command { std: "docker" "start" "-a" "997fa663471fe21bd1b31e26db3b75b777ac67fec4cdec935ff146723b70ac4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling alsa v0.9.1
[INFO] [stderr]    Compiling midir v0.10.1
[INFO] [stderr]    Compiling mirage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]   --> src/main.rs:92:14
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let (sender, receiver) = mpsc::channel();
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "997fa663471fe21bd1b31e26db3b75b777ac67fec4cdec935ff146723b70ac4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997fa663471fe21bd1b31e26db3b75b777ac67fec4cdec935ff146723b70ac4c", kill_on_drop: false }`
[INFO] [stdout] 997fa663471fe21bd1b31e26db3b75b777ac67fec4cdec935ff146723b70ac4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8248aaccf39858cc7d10460e8f4ef6c614163597536ddd0c85e78187eeed1a17
[INFO] running `Command { std: "docker" "start" "-a" "8248aaccf39858cc7d10460e8f4ef6c614163597536ddd0c85e78187eeed1a17", kill_on_drop: false }`
[INFO] [stderr]    Compiling mirage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]   --> src/main.rs:92:14
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let (sender, receiver) = mpsc::channel();
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "8248aaccf39858cc7d10460e8f4ef6c614163597536ddd0c85e78187eeed1a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8248aaccf39858cc7d10460e8f4ef6c614163597536ddd0c85e78187eeed1a17", kill_on_drop: false }`
[INFO] [stdout] 8248aaccf39858cc7d10460e8f4ef6c614163597536ddd0c85e78187eeed1a17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de77ffe6ddecdf55886eae01a382eb73b5c616332d9e4cea04fa010f1e4d4b6e
[INFO] running `Command { std: "docker" "start" "-a" "de77ffe6ddecdf55886eae01a382eb73b5c616332d9e4cea04fa010f1e4d4b6e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `sender`
[INFO] [stderr]   --> src/main.rs:92:14
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let (sender, receiver) = mpsc::channel();
[INFO] [stderr]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mirage` (bin "mirage" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mirage-8ac77e6a9e1a25db)
[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" "de77ffe6ddecdf55886eae01a382eb73b5c616332d9e4cea04fa010f1e4d4b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de77ffe6ddecdf55886eae01a382eb73b5c616332d9e4cea04fa010f1e4d4b6e", kill_on_drop: false }`
[INFO] [stdout] de77ffe6ddecdf55886eae01a382eb73b5c616332d9e4cea04fa010f1e4d4b6e