[INFO] fetching crate rt-audio-disk-stream 0.0.0...
[INFO] testing rt-audio-disk-stream-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rt-audio-disk-stream 0.0.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate rt-audio-disk-stream 0.0.0 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 rt-audio-disk-stream 0.0.0
[INFO] finished tweaking crates.io crate rt-audio-disk-stream 0.0.0
[INFO] tweaked toml for crates.io crate rt-audio-disk-stream 0.0.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 251ce751bbe0b574d0cfd1ada5b04125cda1d3e5927f7827e1dd053ab4c14ff1
[INFO] running `Command { std: "docker" "start" "-a" "251ce751bbe0b574d0cfd1ada5b04125cda1d3e5927f7827e1dd053ab4c14ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "251ce751bbe0b574d0cfd1ada5b04125cda1d3e5927f7827e1dd053ab4c14ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251ce751bbe0b574d0cfd1ada5b04125cda1d3e5927f7827e1dd053ab4c14ff1", kill_on_drop: false }`
[INFO] [stdout] 251ce751bbe0b574d0cfd1ada5b04125cda1d3e5927f7827e1dd053ab4c14ff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] d052eba75c6118b2c0f95348b7fb1cef4a0b68a60bf1bdaeabd35dd3f300d59b
[INFO] running `Command { std: "docker" "start" "-a" "d052eba75c6118b2c0f95348b7fb1cef4a0b68a60bf1bdaeabd35dd3f300d59b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rt-audio-disk-stream v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "d052eba75c6118b2c0f95348b7fb1cef4a0b68a60bf1bdaeabd35dd3f300d59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d052eba75c6118b2c0f95348b7fb1cef4a0b68a60bf1bdaeabd35dd3f300d59b", kill_on_drop: false }`
[INFO] [stdout] d052eba75c6118b2c0f95348b7fb1cef4a0b68a60bf1bdaeabd35dd3f300d59b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50fe8604274424cb8bb5ac7ccddd33491b78765e7210dad2733a309a96786e5f
[INFO] running `Command { std: "docker" "start" "-a" "50fe8604274424cb8bb5ac7ccddd33491b78765e7210dad2733a309a96786e5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rt-audio-disk-stream v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "50fe8604274424cb8bb5ac7ccddd33491b78765e7210dad2733a309a96786e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50fe8604274424cb8bb5ac7ccddd33491b78765e7210dad2733a309a96786e5f", kill_on_drop: false }`
[INFO] [stdout] 50fe8604274424cb8bb5ac7ccddd33491b78765e7210dad2733a309a96786e5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2eb7452db55442042e0fed00e06680483f3dcd86a9f0ff88ebd88b65ec16bb9e
[INFO] running `Command { std: "docker" "start" "-a" "2eb7452db55442042e0fed00e06680483f3dcd86a9f0ff88ebd88b65ec16bb9e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rt_audio_disk_stream-bc9552a711fcb73e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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] [stderr]    Doc-tests rt-audio-disk-stream
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2eb7452db55442042e0fed00e06680483f3dcd86a9f0ff88ebd88b65ec16bb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb7452db55442042e0fed00e06680483f3dcd86a9f0ff88ebd88b65ec16bb9e", kill_on_drop: false }`
[INFO] [stdout] 2eb7452db55442042e0fed00e06680483f3dcd86a9f0ff88ebd88b65ec16bb9e