[INFO] fetching crate musical_keyboard 0.6.0...
[INFO] testing musical_keyboard-0.6.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate musical_keyboard 0.6.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate musical_keyboard 0.6.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate musical_keyboard 0.6.0
[INFO] finished tweaking crates.io crate musical_keyboard 0.6.0
[INFO] tweaked toml for crates.io crate musical_keyboard 0.6.0 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded pitch_calc v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6dbbe16e8c47415180fd2dbbb13d5827999ecdba82089ee3dbccae696ae3a0a
[INFO] running `Command { std: "docker" "start" "-a" "a6dbbe16e8c47415180fd2dbbb13d5827999ecdba82089ee3dbccae696ae3a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6dbbe16e8c47415180fd2dbbb13d5827999ecdba82089ee3dbccae696ae3a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6dbbe16e8c47415180fd2dbbb13d5827999ecdba82089ee3dbccae696ae3a0a", kill_on_drop: false }`
[INFO] [stdout] a6dbbe16e8c47415180fd2dbbb13d5827999ecdba82089ee3dbccae696ae3a0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63dc9aff3b9c9d3b99e8b8375d0022fa96bbd66242f18836c1d76993938b2728
[INFO] running `Command { std: "docker" "start" "-a" "63dc9aff3b9c9d3b99e8b8375d0022fa96bbd66242f18836c1d76993938b2728", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling pitch_calc v0.11.1
[INFO] [stderr]    Compiling musical_keyboard v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.02s
[INFO] running `Command { std: "docker" "inspect" "63dc9aff3b9c9d3b99e8b8375d0022fa96bbd66242f18836c1d76993938b2728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63dc9aff3b9c9d3b99e8b8375d0022fa96bbd66242f18836c1d76993938b2728", kill_on_drop: false }`
[INFO] [stdout] 63dc9aff3b9c9d3b99e8b8375d0022fa96bbd66242f18836c1d76993938b2728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd84cf427f172567d3d5d7b440bc52ed3630d56f59c411a255350130285d1e98
[INFO] running `Command { std: "docker" "start" "-a" "bd84cf427f172567d3d5d7b440bc52ed3630d56f59c411a255350130285d1e98", kill_on_drop: false }`
[INFO] [stderr]    Compiling musical_keyboard v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "bd84cf427f172567d3d5d7b440bc52ed3630d56f59c411a255350130285d1e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd84cf427f172567d3d5d7b440bc52ed3630d56f59c411a255350130285d1e98", kill_on_drop: false }`
[INFO] [stdout] bd84cf427f172567d3d5d7b440bc52ed3630d56f59c411a255350130285d1e98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 706d4e76232672fe36393e86e6511e402b3532304cdfa5712c9860d8e5a1d27c
[INFO] running `Command { std: "docker" "start" "-a" "706d4e76232672fe36393e86e6511e402b3532304cdfa5712c9860d8e5a1d27c", 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]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/musical_keyboard-2b78b4e98e13b890)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests musical_keyboard
[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] [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" "706d4e76232672fe36393e86e6511e402b3532304cdfa5712c9860d8e5a1d27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706d4e76232672fe36393e86e6511e402b3532304cdfa5712c9860d8e5a1d27c", kill_on_drop: false }`
[INFO] [stdout] 706d4e76232672fe36393e86e6511e402b3532304cdfa5712c9860d8e5a1d27c