[INFO] fetching crate mumd 0.4.0...
[INFO] testing mumd-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mumd 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mumd 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mumd 0.4.0
[INFO] finished tweaking crates.io crate mumd 0.4.0
[INFO] tweaked toml for crates.io crate mumd 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate mumd 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fa68154d896545e971fbe2cb47dfc8e17c9a610950dd0d9e7b3e6c925c58529
[INFO] running `Command { std: "docker" "start" "-a" "8fa68154d896545e971fbe2cb47dfc8e17c9a610950dd0d9e7b3e6c925c58529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fa68154d896545e971fbe2cb47dfc8e17c9a610950dd0d9e7b3e6c925c58529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa68154d896545e971fbe2cb47dfc8e17c9a610950dd0d9e7b3e6c925c58529", kill_on_drop: false }`
[INFO] [stdout] 8fa68154d896545e971fbe2cb47dfc8e17c9a610950dd0d9e7b3e6c925c58529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 392a98f638dd162e5e549339fffaeba50335db8d00b630983a2bdb5cf3ece0c8
[INFO] running `Command { std: "docker" "start" "-a" "392a98f638dd162e5e549339fffaeba50335db8d00b630983a2bdb5cf3ece0c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling protobuf v2.24.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling dasp_ring_buffer v0.11.0
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling mumd v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling strum v0.20.0
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling gio-sys v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.5.0
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling opus-sys v0.2.1
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling libnotify-sys v1.0.2
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling dasp_frame v0.11.0
[INFO] [stderr]    Compiling dasp_window v0.11.1
[INFO] [stderr]    Compiling fern v0.6.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling dasp_rms v0.11.0
[INFO] [stderr]    Compiling dasp_peak v0.11.0
[INFO] [stderr]    Compiling dasp_interpolate v0.11.0
[INFO] [stderr]    Compiling dasp_envelope v0.11.0
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling dasp_signal v0.11.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling opus v0.2.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling glib v0.4.1
[INFO] [stderr]    Compiling openssl-sys v0.9.64
[INFO] [stderr]    Compiling protobuf-codegen v2.24.1
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.24.1
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr] error: could not compile `protobuf`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name protobuf --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-2.24.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=701023af271de333 -C extra-filename=-701023af271de333 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "392a98f638dd162e5e549339fffaeba50335db8d00b630983a2bdb5cf3ece0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392a98f638dd162e5e549339fffaeba50335db8d00b630983a2bdb5cf3ece0c8", kill_on_drop: false }`
[INFO] [stdout] 392a98f638dd162e5e549339fffaeba50335db8d00b630983a2bdb5cf3ece0c8