[INFO] fetching crate music 0.1.0...
[INFO] testing music-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate music 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate music 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate music 0.1.0
[INFO] finished tweaking crates.io crate music 0.1.0
[INFO] tweaked toml for crates.io crate music 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5e46ab4c92b4b5942d28f9da680e6c9047d31737fa5d59dcda5d3473afae1bb
[INFO] running `Command { std: "docker" "start" "-a" "c5e46ab4c92b4b5942d28f9da680e6c9047d31737fa5d59dcda5d3473afae1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5e46ab4c92b4b5942d28f9da680e6c9047d31737fa5d59dcda5d3473afae1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e46ab4c92b4b5942d28f9da680e6c9047d31737fa5d59dcda5d3473afae1bb", kill_on_drop: false }`
[INFO] [stdout] c5e46ab4c92b4b5942d28f9da680e6c9047d31737fa5d59dcda5d3473afae1bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5151e6e29584e196be2aefc9adcc158791b1c730bb9e4f7bd73fc238bf4c620
[INFO] running `Command { std: "docker" "start" "-a" "a5151e6e29584e196be2aefc9adcc158791b1c730bb9e4f7bd73fc238bf4c620", kill_on_drop: false }`
[INFO] [stderr]    Compiling music v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "a5151e6e29584e196be2aefc9adcc158791b1c730bb9e4f7bd73fc238bf4c620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5151e6e29584e196be2aefc9adcc158791b1c730bb9e4f7bd73fc238bf4c620", kill_on_drop: false }`
[INFO] [stdout] a5151e6e29584e196be2aefc9adcc158791b1c730bb9e4f7bd73fc238bf4c620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 236e6ee25d77acb7e091f3107eef996e3e755cf89cc96573e314d8f4cffea531
[INFO] running `Command { std: "docker" "start" "-a" "236e6ee25d77acb7e091f3107eef996e3e755cf89cc96573e314d8f4cffea531", kill_on_drop: false }`
[INFO] [stderr]    Compiling music v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "236e6ee25d77acb7e091f3107eef996e3e755cf89cc96573e314d8f4cffea531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236e6ee25d77acb7e091f3107eef996e3e755cf89cc96573e314d8f4cffea531", kill_on_drop: false }`
[INFO] [stdout] 236e6ee25d77acb7e091f3107eef996e3e755cf89cc96573e314d8f4cffea531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b7bc71b5c70f7dbf0f96847bc8ac419e892a42ac685c8771aeda7d69ca8631c
[INFO] running `Command { std: "docker" "start" "-a" "6b7bc71b5c70f7dbf0f96847bc8ac419e892a42ac685c8771aeda7d69ca8631c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/music-96eef01137118b16)
[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] [stderr]    Doc-tests music
[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" "6b7bc71b5c70f7dbf0f96847bc8ac419e892a42ac685c8771aeda7d69ca8631c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7bc71b5c70f7dbf0f96847bc8ac419e892a42ac685c8771aeda7d69ca8631c", kill_on_drop: false }`
[INFO] [stdout] 6b7bc71b5c70f7dbf0f96847bc8ac419e892a42ac685c8771aeda7d69ca8631c