[INFO] fetching crate spectrogram 0.1.0...
[INFO] testing spectrogram-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate spectrogram 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate spectrogram 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spectrogram 0.1.0
[INFO] finished tweaking crates.io crate spectrogram 0.1.0
[INFO] tweaked toml for crates.io crate spectrogram 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded goertzel v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f07a2a5907c336f0ffc9566bc750c1b9069063d4a1adc649fe69d9fe9c2e61d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f07a2a5907c336f0ffc9566bc750c1b9069063d4a1adc649fe69d9fe9c2e61d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f07a2a5907c336f0ffc9566bc750c1b9069063d4a1adc649fe69d9fe9c2e61d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07a2a5907c336f0ffc9566bc750c1b9069063d4a1adc649fe69d9fe9c2e61d4", kill_on_drop: false }`
[INFO] [stdout] f07a2a5907c336f0ffc9566bc750c1b9069063d4a1adc649fe69d9fe9c2e61d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c752567933901516f1ba0f1a8b8bcd5c6408546aa1a0298cc537e2ae5561006
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4c752567933901516f1ba0f1a8b8bcd5c6408546aa1a0298cc537e2ae5561006", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling lebe v0.5.1
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling goertzel v0.2.0
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling jpeg-decoder v0.2.2
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling tiff v0.7.1
[INFO] [stderr]    Compiling png v0.17.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling flume v0.10.11
[INFO] [stderr]    Compiling exr v1.4.1
[INFO] [stderr]    Compiling image v0.24.1
[INFO] [stderr]    Compiling spectrogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:13:52
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let p = goertzel::Parameters::new(bin, sample_rate, 256);
[INFO] [stdout]    |                                                    ^^^^^^^^^^^ expected `u32`, found `f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Gray` found for enum `ColorType` in the current scope
[INFO] [stdout]   --> src/lib.rs:22:83
[INFO] [stdout]    |
[INFO] [stdout] 22 |     image::save_buffer(image, &image_data[..], 30, image_lines, image::ColorType::Gray(8));
[INFO] [stdout]    |                                                                                   ^^^^ variant or associated item not found in `ColorType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spectrogram` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4c752567933901516f1ba0f1a8b8bcd5c6408546aa1a0298cc537e2ae5561006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c752567933901516f1ba0f1a8b8bcd5c6408546aa1a0298cc537e2ae5561006", kill_on_drop: false }`
[INFO] [stdout] 4c752567933901516f1ba0f1a8b8bcd5c6408546aa1a0298cc537e2ae5561006