[INFO] fetching crate audio-engine 0.2.1...
[INFO] documenting audio-engine-0.2.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate audio-engine 0.2.1 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate audio-engine 0.2.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate audio-engine 0.2.1
[INFO] finished tweaking crates.io crate audio-engine 0.2.1
[INFO] tweaked toml for crates.io crate audio-engine 0.2.1 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate crates.io crate audio-engine 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 284cb1eb9eb29a5db0ec826a06aa846bf1db51741bae2b3206a106734bba4f57
[INFO] running `Command { std: "docker" "start" "-a" "284cb1eb9eb29a5db0ec826a06aa846bf1db51741bae2b3206a106734bba4f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "284cb1eb9eb29a5db0ec826a06aa846bf1db51741bae2b3206a106734bba4f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "284cb1eb9eb29a5db0ec826a06aa846bf1db51741bae2b3206a106734bba4f57", kill_on_drop: false }`
[INFO] [stdout] 284cb1eb9eb29a5db0ec826a06aa846bf1db51741bae2b3206a106734bba4f57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbda6c2e4d54009f75c3de38a44b868a5463f9ede997193ea5690fd705c8a9d6
[INFO] running `Command { std: "docker" "start" "-a" "bbda6c2e4d54009f75c3de38a44b868a5463f9ede997193ea5690fd705c8a9d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking gcd v2.1.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking alsa v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]  Documenting audio-engine v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.69s
[INFO] running `Command { std: "docker" "inspect" "bbda6c2e4d54009f75c3de38a44b868a5463f9ede997193ea5690fd705c8a9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbda6c2e4d54009f75c3de38a44b868a5463f9ede997193ea5690fd705c8a9d6", kill_on_drop: false }`
[INFO] [stdout] bbda6c2e4d54009f75c3de38a44b868a5463f9ede997193ea5690fd705c8a9d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] eb518df561610cb9856c46e520241211d67a654ac1e03e4374ea35400ac13b0b
[INFO] running `Command { std: "docker" "start" "-a" "eb518df561610cb9856c46e520241211d67a654ac1e03e4374ea35400ac13b0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking gcd v2.1.0
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking alsa v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]  Documenting audio-engine v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.49s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "eb518df561610cb9856c46e520241211d67a654ac1e03e4374ea35400ac13b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb518df561610cb9856c46e520241211d67a654ac1e03e4374ea35400ac13b0b", kill_on_drop: false }`
[INFO] [stdout] eb518df561610cb9856c46e520241211d67a654ac1e03e4374ea35400ac13b0b