[INFO] fetching crate mumd 0.4.0...
[INFO] building mumd-0.4.0 against try#2cd6942e35a7765b6869d3a149ca54f2598b77ad for pr-93180
[INFO] extracting crate mumd 0.4.0 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate mumd 0.4.0 on toolchain 2cd6942e35a7765b6869d3a149ca54f2598b77ad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "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-43/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" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b61ec496c262e8710b35e8430bc49d5f6799ef9261bb812afaea35b26248daa
[INFO] running `Command { std: "docker" "start" "-a" "6b61ec496c262e8710b35e8430bc49d5f6799ef9261bb812afaea35b26248daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b61ec496c262e8710b35e8430bc49d5f6799ef9261bb812afaea35b26248daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b61ec496c262e8710b35e8430bc49d5f6799ef9261bb812afaea35b26248daa", kill_on_drop: false }`
[INFO] [stdout] 6b61ec496c262e8710b35e8430bc49d5f6799ef9261bb812afaea35b26248daa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "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" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df44c50fdd69bfe323c2eab9b6229a2100c017847de22eba3af79823b5e9570f
[INFO] running `Command { std: "docker" "start" "-a" "df44c50fdd69bfe323c2eab9b6229a2100c017847de22eba3af79823b5e9570f", 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]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling log v0.4.14
[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 once_cell v1.8.0
[INFO] [stderr]    Compiling dasp_ring_buffer v0.11.0
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling gdk-pixbuf v0.3.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling mumd v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling strum v0.20.0
[INFO] [stderr]    Compiling hound v3.4.0
[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 num-traits v0.2.14
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling libnotify-sys v1.0.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling opus-sys v0.2.1
[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 dasp_frame v0.11.0
[INFO] [stderr]    Compiling dasp_window v0.11.1
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling fern v0.6.0
[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 dasp_signal v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[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 nix v0.20.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling opus v0.2.1
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling cc v1.0.68
[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 native-tls v0.2.7
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.24.1
[INFO] [stderr]    Compiling libnotify v1.0.3
[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,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=e7f05f32302166e5 -C extra-filename=-e7f05f32302166e5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg rustc_nightly` (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" "df44c50fdd69bfe323c2eab9b6229a2100c017847de22eba3af79823b5e9570f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df44c50fdd69bfe323c2eab9b6229a2100c017847de22eba3af79823b5e9570f", kill_on_drop: false }`
[INFO] [stdout] df44c50fdd69bfe323c2eab9b6229a2100c017847de22eba3af79823b5e9570f