[INFO] cloning repository https://github.com/tswett/ambrose
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tswett/ambrose" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftswett%2Fambrose", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftswett%2Fambrose'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 293764cb651b4638f003971bdccdac2e9c06b1b2
[INFO] testing tswett/ambrose against beta-2025-04-13 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftswett%2Fambrose" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tswett/ambrose on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tswett/ambrose
[INFO] finished tweaking git repo https://github.com/tswett/ambrose
[INFO] tweaked toml for git repo https://github.com/tswett/ambrose written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tswett/ambrose 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" "+beta-2025-04-13" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing tswett/ambrose against beta-2025-04-13 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftswett%2Fambrose" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tswett/ambrose on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tswett/ambrose
[INFO] finished tweaking git repo https://github.com/tswett/ambrose
[INFO] tweaked toml for git repo https://github.com/tswett/ambrose written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tswett/ambrose 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" "+beta-2025-04-13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minimp3-sys v0.3.2
[INFO] [stderr]   Downloaded rppal v0.12.0
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] [stderr]   Downloaded ndk-glue v0.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.78
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.8
[INFO] [stderr]   Downloaded ndk-glue v0.3.0
[INFO] [stderr]   Downloaded num_enum_derive v0.5.4
[INFO] [stderr]   Downloaded ndk-macro v0.2.0
[INFO] [stderr]   Downloaded minimp3 v0.5.1
[INFO] [stderr]   Downloaded darling v0.10.2
[INFO] [stderr]   Downloaded num_enum v0.5.4
[INFO] [stderr]   Downloaded pkg-config v0.3.22
[INFO] [stderr]   Downloaded ndk v0.3.0
[INFO] [stderr]   Downloaded alsa v0.5.0
[INFO] [stderr]   Downloaded claxon v0.4.3
[INFO] [stderr]   Downloaded js-sys v0.3.55
[INFO] [stderr]   Downloaded cpal v0.13.4
[INFO] [stderr]   Downloaded oboe-sys v0.4.4
[INFO] [stderr]   Downloaded combine v4.6.2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.78
[INFO] [stderr]   Downloaded darling_core v0.10.2
[INFO] [stderr]   Downloaded bindgen v0.56.0
[INFO] [stderr]   Downloaded nix v0.20.0
[INFO] [stderr]   Downloaded ndk-sys v0.2.1
[INFO] [stderr]   Downloaded syn v1.0.81
[INFO] [stderr]   Downloaded serde v1.0.130
[INFO] [stderr]   Downloaded bumpalo v3.8.0
[INFO] [stderr]   Downloaded ndk v0.4.0
[INFO] [stderr]   Downloaded oboe v0.4.4
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.78
[INFO] [stderr]   Downloaded hound v3.4.0
[INFO] [stderr]   Downloaded smallvec v1.7.0
[INFO] [stderr]   Downloaded cc v1.0.68
[INFO] [stderr]   Downloaded libloading v0.7.1
[INFO] [stderr]   Downloaded tinyvec v1.5.0
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] [stderr]   Downloaded slice-deque v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.78
[INFO] [stderr]   Downloaded web-sys v0.3.55
[INFO] [stderr]   Downloaded rodio v0.14.0
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f23f8faa8f2fca25893732ce81d402321afc93aa8ef604866973411570076faa
[INFO] running `Command { std: "docker" "start" "-a" "f23f8faa8f2fca25893732ce81d402321afc93aa8ef604866973411570076faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f23f8faa8f2fca25893732ce81d402321afc93aa8ef604866973411570076faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f23f8faa8f2fca25893732ce81d402321afc93aa8ef604866973411570076faa", kill_on_drop: false }`
[INFO] [stdout] f23f8faa8f2fca25893732ce81d402321afc93aa8ef604866973411570076faa
[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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fec9899c795b9e1ac827c56a78d85e3ea78304d95b3f31ae4a0fbf304b442adc
[INFO] running `Command { std: "docker" "start" "-a" "fec9899c795b9e1ac827c56a78d85e3ea78304d95b3f31ae4a0fbf304b442adc", kill_on_drop: false }`
[INFO] [stderr]    Compiling ambrose v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `note` is never used
[INFO] [stdout]   --> src/main.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn note(next_note_index: u32, motor_id: u8, frequency: u32, length: u32) -> NoteInfo {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `play_pachelbel` is never used
[INFO] [stdout]   --> src/main.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn play_pachelbel() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `slur` is never used
[INFO] [stdout]   --> src/notes.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl NoteInfo {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 18 |     pub fn slur(self) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BEAT_DURATION` is never used
[INFO] [stdout]  --> src/songs/peaceofmind.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BEAT_DURATION: u64 = 117188;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `note` is never used
[INFO] [stdout]  --> src/songs/peaceofmind.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn note(octave: i16, pitch: i16, duration: u64) -> NoteInfo {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_song` is never used
[INFO] [stdout]   --> src/songs/peaceofmind.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn build_song() -> SongBuilder {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "fec9899c795b9e1ac827c56a78d85e3ea78304d95b3f31ae4a0fbf304b442adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fec9899c795b9e1ac827c56a78d85e3ea78304d95b3f31ae4a0fbf304b442adc", kill_on_drop: false }`
[INFO] [stdout] fec9899c795b9e1ac827c56a78d85e3ea78304d95b3f31ae4a0fbf304b442adc
[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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9984bf6e0e05fe769ff268c479925f9d224f81264abecd3a639c0b9a64e2b523
[INFO] running `Command { std: "docker" "start" "-a" "9984bf6e0e05fe769ff268c479925f9d224f81264abecd3a639c0b9a64e2b523", kill_on_drop: false }`
[INFO] [stderr]    Compiling ambrose v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `note` is never used
[INFO] [stdout]   --> src/main.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn note(next_note_index: u32, motor_id: u8, frequency: u32, length: u32) -> NoteInfo {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `play_pachelbel` is never used
[INFO] [stdout]   --> src/main.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn play_pachelbel() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `slur` is never used
[INFO] [stdout]   --> src/notes.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl NoteInfo {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 18 |     pub fn slur(self) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BEAT_DURATION` is never used
[INFO] [stdout]  --> src/songs/peaceofmind.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BEAT_DURATION: u64 = 117188;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `note` is never used
[INFO] [stdout]  --> src/songs/peaceofmind.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn note(octave: i16, pitch: i16, duration: u64) -> NoteInfo {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_song` is never used
[INFO] [stdout]   --> src/songs/peaceofmind.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn build_song() -> SongBuilder {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "9984bf6e0e05fe769ff268c479925f9d224f81264abecd3a639c0b9a64e2b523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9984bf6e0e05fe769ff268c479925f9d224f81264abecd3a639c0b9a64e2b523", kill_on_drop: false }`
[INFO] [stdout] 9984bf6e0e05fe769ff268c479925f9d224f81264abecd3a639c0b9a64e2b523
[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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9e4872de7fd04e9ce7204f73bc24ef178b925ad880b8836bf5662d317f86f73
[INFO] running `Command { std: "docker" "start" "-a" "a9e4872de7fd04e9ce7204f73bc24ef178b925ad880b8836bf5662d317f86f73", kill_on_drop: false }`
[INFO] [stderr] warning: function `note` is never used
[INFO] [stderr]   --> src/main.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn note(next_note_index: u32, motor_id: u8, frequency: u32, length: u32) -> NoteInfo {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `play_pachelbel` is never used
[INFO] [stderr]   --> src/main.rs:70:4
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn play_pachelbel() -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `slur` is never used
[INFO] [stderr]   --> src/notes.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl NoteInfo {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] 18 |     pub fn slur(self) -> Self {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BEAT_DURATION` is never used
[INFO] [stderr]  --> src/songs/peaceofmind.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | const BEAT_DURATION: u64 = 117188;
[INFO] [stderr]   |       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `note` is never used
[INFO] [stderr]  --> src/songs/peaceofmind.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn note(octave: i16, pitch: i16, duration: u64) -> NoteInfo {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_song` is never used
[INFO] [stderr]   --> src/songs/peaceofmind.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn build_song() -> SongBuilder {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ambrose` (bin "ambrose" test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ambrose-b6633134f745d5dc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test motor::tests::can_create_test_motor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a9e4872de7fd04e9ce7204f73bc24ef178b925ad880b8836bf5662d317f86f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e4872de7fd04e9ce7204f73bc24ef178b925ad880b8836bf5662d317f86f73", kill_on_drop: false }`
[INFO] [stdout] a9e4872de7fd04e9ce7204f73bc24ef178b925ad880b8836bf5662d317f86f73