[INFO] fetching crate chords 0.2.7...
[INFO] testing chords-0.2.7 against 1.59.0 for beta-1.60-1
[INFO] extracting crate chords 0.2.7 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate chords 0.2.7 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 chords 0.2.7
[INFO] finished tweaking crates.io crate chords 0.2.7
[INFO] tweaked toml for crates.io crate chords 0.2.7 written to /workspace/builds/worker-7/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6b288f807cea74b25d673e5e09fdbf50f53e4fe81a4146d1f07a4eaa8c8c39ad
[INFO] running `Command { std: "docker" "start" "-a" "6b288f807cea74b25d673e5e09fdbf50f53e4fe81a4146d1f07a4eaa8c8c39ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b288f807cea74b25d673e5e09fdbf50f53e4fe81a4146d1f07a4eaa8c8c39ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b288f807cea74b25d673e5e09fdbf50f53e4fe81a4146d1f07a4eaa8c8c39ad", kill_on_drop: false }`
[INFO] [stdout] 6b288f807cea74b25d673e5e09fdbf50f53e4fe81a4146d1f07a4eaa8c8c39ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8e217f675e5c43f9653926554db9abed0b994f701372ca1c62b3a47f9cb1e8be
[INFO] running `Command { std: "docker" "start" "-a" "8e217f675e5c43f9653926554db9abed0b994f701372ca1c62b3a47f9cb1e8be", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling ordered-permutation v0.1.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling chords v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.45s
[INFO] running `Command { std: "docker" "inspect" "8e217f675e5c43f9653926554db9abed0b994f701372ca1c62b3a47f9cb1e8be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e217f675e5c43f9653926554db9abed0b994f701372ca1c62b3a47f9cb1e8be", kill_on_drop: false }`
[INFO] [stdout] 8e217f675e5c43f9653926554db9abed0b994f701372ca1c62b3a47f9cb1e8be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fa82764920e10772a0be1a88b40671700974a534de7e38856cee5cc8533dc64b
[INFO] running `Command { std: "docker" "start" "-a" "fa82764920e10772a0be1a88b40671700974a534de7e38856cee5cc8533dc64b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chords v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "fa82764920e10772a0be1a88b40671700974a534de7e38856cee5cc8533dc64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa82764920e10772a0be1a88b40671700974a534de7e38856cee5cc8533dc64b", kill_on_drop: false }`
[INFO] [stdout] fa82764920e10772a0be1a88b40671700974a534de7e38856cee5cc8533dc64b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e03e3cba042e8a4a2930ac52e2fe0d301484cf9878c987283a3e4b8f75c88afa
[INFO] running `Command { std: "docker" "start" "-a" "e03e3cba042e8a4a2930ac52e2fe0d301484cf9878c987283a3e4b8f75c88afa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chords-6f29be9a4ffd1030)
[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]      Running unittests (/opt/rustwide/target/debug/deps/chords-e076f8f8cb8bcef8)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chords
[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" "e03e3cba042e8a4a2930ac52e2fe0d301484cf9878c987283a3e4b8f75c88afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e03e3cba042e8a4a2930ac52e2fe0d301484cf9878c987283a3e4b8f75c88afa", kill_on_drop: false }`
[INFO] [stdout] e03e3cba042e8a4a2930ac52e2fe0d301484cf9878c987283a3e4b8f75c88afa