[INFO] fetching crate mpeg4-audio-const 0.2.0...
[INFO] testing mpeg4-audio-const-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mpeg4-audio-const 0.2.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate mpeg4-audio-const 0.2.0 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 mpeg4-audio-const 0.2.0
[INFO] finished tweaking crates.io crate mpeg4-audio-const 0.2.0
[INFO] tweaked toml for crates.io crate mpeg4-audio-const 0.2.0 written to /workspace/builds/worker-49/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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 1e0507c9b8e886e0d52f2bec4ab4d6c5776215f0d79ad8337e9fc780e46424cf
[INFO] running `Command { std: "docker" "start" "-a" "1e0507c9b8e886e0d52f2bec4ab4d6c5776215f0d79ad8337e9fc780e46424cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e0507c9b8e886e0d52f2bec4ab4d6c5776215f0d79ad8337e9fc780e46424cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e0507c9b8e886e0d52f2bec4ab4d6c5776215f0d79ad8337e9fc780e46424cf", kill_on_drop: false }`
[INFO] [stdout] 1e0507c9b8e886e0d52f2bec4ab4d6c5776215f0d79ad8337e9fc780e46424cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] cabfc8042be6812b74861ffe54855ed6898ea65fd4a7100fedb18e70ecf11257
[INFO] running `Command { std: "docker" "start" "-a" "cabfc8042be6812b74861ffe54855ed6898ea65fd4a7100fedb18e70ecf11257", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpeg4-audio-const v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "cabfc8042be6812b74861ffe54855ed6898ea65fd4a7100fedb18e70ecf11257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cabfc8042be6812b74861ffe54855ed6898ea65fd4a7100fedb18e70ecf11257", kill_on_drop: false }`
[INFO] [stdout] cabfc8042be6812b74861ffe54855ed6898ea65fd4a7100fedb18e70ecf11257
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 19e56ce439047b21397cfafc637a5f69c190fe7fff851b51a22b2edef48f1d38
[INFO] running `Command { std: "docker" "start" "-a" "19e56ce439047b21397cfafc637a5f69c190fe7fff851b51a22b2edef48f1d38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mpeg4-audio-const v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "19e56ce439047b21397cfafc637a5f69c190fe7fff851b51a22b2edef48f1d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e56ce439047b21397cfafc637a5f69c190fe7fff851b51a22b2edef48f1d38", kill_on_drop: false }`
[INFO] [stdout] 19e56ce439047b21397cfafc637a5f69c190fe7fff851b51a22b2edef48f1d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 24b918f2c6262afb15f8ed2cbcdb7174bf8089895f0f644a8eed90daf4f721bf
[INFO] running `Command { std: "docker" "start" "-a" "24b918f2c6262afb15f8ed2cbcdb7174bf8089895f0f644a8eed90daf4f721bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mpeg4_audio_const-dae68a133097a7e3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mpeg4-audio-const
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::escape_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - AudioObjectType (line 47) ... ok
[INFO] [stdout] test src/lib.rs - AudioObjectType (line 27) ... ok
[INFO] [stdout] test src/lib.rs - AudioObjectType (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24b918f2c6262afb15f8ed2cbcdb7174bf8089895f0f644a8eed90daf4f721bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b918f2c6262afb15f8ed2cbcdb7174bf8089895f0f644a8eed90daf4f721bf", kill_on_drop: false }`
[INFO] [stdout] 24b918f2c6262afb15f8ed2cbcdb7174bf8089895f0f644a8eed90daf4f721bf