[INFO] fetching crate polyphony 0.1.0...
[INFO] testing polyphony-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate polyphony 0.1.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate polyphony 0.1.0 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 polyphony 0.1.0
[INFO] finished tweaking crates.io crate polyphony 0.1.0
[INFO] tweaked toml for crates.io crate polyphony 0.1.0 written to /workspace/builds/worker-88/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] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 6541a39fde8d3f86307626f3c118d65fdb04b41f1ea9ad7441ae399ebf555ff3
[INFO] running `Command { std: "docker" "start" "-a" "6541a39fde8d3f86307626f3c118d65fdb04b41f1ea9ad7441ae399ebf555ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6541a39fde8d3f86307626f3c118d65fdb04b41f1ea9ad7441ae399ebf555ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6541a39fde8d3f86307626f3c118d65fdb04b41f1ea9ad7441ae399ebf555ff3", kill_on_drop: false }`
[INFO] [stdout] 6541a39fde8d3f86307626f3c118d65fdb04b41f1ea9ad7441ae399ebf555ff3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] bca2532f6f76edc4884a3de9770db2712b30a612bafb51352a591bfb72ec3f12
[INFO] running `Command { std: "docker" "start" "-a" "bca2532f6f76edc4884a3de9770db2712b30a612bafb51352a591bfb72ec3f12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling polyphony v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "bca2532f6f76edc4884a3de9770db2712b30a612bafb51352a591bfb72ec3f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca2532f6f76edc4884a3de9770db2712b30a612bafb51352a591bfb72ec3f12", kill_on_drop: false }`
[INFO] [stdout] bca2532f6f76edc4884a3de9770db2712b30a612bafb51352a591bfb72ec3f12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 6cf2657de8671e1903980172ad2eec347a842c46e2bb163ca8d05917ca87886b
[INFO] running `Command { std: "docker" "start" "-a" "6cf2657de8671e1903980172ad2eec347a842c46e2bb163ca8d05917ca87886b", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyphony v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "6cf2657de8671e1903980172ad2eec347a842c46e2bb163ca8d05917ca87886b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf2657de8671e1903980172ad2eec347a842c46e2bb163ca8d05917ca87886b", kill_on_drop: false }`
[INFO] [stdout] 6cf2657de8671e1903980172ad2eec347a842c46e2bb163ca8d05917ca87886b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] f7da1826ee82f2ed0cfc5cec2ccd5799662ad0b1e407696a0335b932c36120d7
[INFO] running `Command { std: "docker" "start" "-a" "f7da1826ee82f2ed0cfc5cec2ccd5799662ad0b1e407696a0335b932c36120d7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polyphony-a53cefe2afbfa0b5)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests polyphony
[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" "f7da1826ee82f2ed0cfc5cec2ccd5799662ad0b1e407696a0335b932c36120d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7da1826ee82f2ed0cfc5cec2ccd5799662ad0b1e407696a0335b932c36120d7", kill_on_drop: false }`
[INFO] [stdout] f7da1826ee82f2ed0cfc5cec2ccd5799662ad0b1e407696a0335b932c36120d7