[INFO] fetching crate midi-reader-writer 0.1.0...
[INFO] testing midi-reader-writer-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate midi-reader-writer 0.1.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate midi-reader-writer 0.1.0 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 midi-reader-writer 0.1.0
[INFO] finished tweaking crates.io crate midi-reader-writer 0.1.0
[INFO] tweaked toml for crates.io crate midi-reader-writer 0.1.0 written to /workspace/builds/worker-99/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] [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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] db1fc7d622ff519e4859fce06b161f5a8abf015c3bee0a3bdd67b8f02dd94b26
[INFO] running `Command { std: "docker" "start" "-a" "db1fc7d622ff519e4859fce06b161f5a8abf015c3bee0a3bdd67b8f02dd94b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db1fc7d622ff519e4859fce06b161f5a8abf015c3bee0a3bdd67b8f02dd94b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db1fc7d622ff519e4859fce06b161f5a8abf015c3bee0a3bdd67b8f02dd94b26", kill_on_drop: false }`
[INFO] [stdout] db1fc7d622ff519e4859fce06b161f5a8abf015c3bee0a3bdd67b8f02dd94b26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] b0ffd9c03bddd26e0da397b75a1b2c460db142ca0c2ac0b61255bd306cf8781f
[INFO] running `Command { std: "docker" "start" "-a" "b0ffd9c03bddd26e0da397b75a1b2c460db142ca0c2ac0b61255bd306cf8781f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcd v2.0.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling timestamp-stretcher v0.1.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling midi-reader-writer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "b0ffd9c03bddd26e0da397b75a1b2c460db142ca0c2ac0b61255bd306cf8781f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ffd9c03bddd26e0da397b75a1b2c460db142ca0c2ac0b61255bd306cf8781f", kill_on_drop: false }`
[INFO] [stdout] b0ffd9c03bddd26e0da397b75a1b2c460db142ca0c2ac0b61255bd306cf8781f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 96398e94f8c97349573b1ef362b55142a27093cac10e022233961c25f456f719
[INFO] running `Command { std: "docker" "start" "-a" "96398e94f8c97349573b1ef362b55142a27093cac10e022233961c25f456f719", kill_on_drop: false }`
[INFO] [stderr]    Compiling midi-reader-writer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "96398e94f8c97349573b1ef362b55142a27093cac10e022233961c25f456f719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96398e94f8c97349573b1ef362b55142a27093cac10e022233961c25f456f719", kill_on_drop: false }`
[INFO] [stdout] 96398e94f8c97349573b1ef362b55142a27093cac10e022233961c25f456f719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 4d963d75144d7ea4bd14c0f7eaf9dc6cd8d6c039a93de76bbf38c05a752ecdfc
[INFO] running `Command { std: "docker" "start" "-a" "4d963d75144d7ea4bd14c0f7eaf9dc6cd8d6c039a93de76bbf38c05a752ecdfc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/midi_reader_writer-969668f64d07cf1b)
[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 midi-reader-writer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 32) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d963d75144d7ea4bd14c0f7eaf9dc6cd8d6c039a93de76bbf38c05a752ecdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d963d75144d7ea4bd14c0f7eaf9dc6cd8d6c039a93de76bbf38c05a752ecdfc", kill_on_drop: false }`
[INFO] [stdout] 4d963d75144d7ea4bd14c0f7eaf9dc6cd8d6c039a93de76bbf38c05a752ecdfc