[INFO] fetching crate crates_pet 0.1.0...
[INFO] testing crates_pet-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate crates_pet 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate crates_pet 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 crates_pet 0.1.0
[INFO] finished tweaking crates.io crate crates_pet 0.1.0
[INFO] tweaked toml for crates.io crate crates_pet 0.1.0 written to /workspace/builds/worker-12/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 372953f78be2d8bd30c2e425cc68097497128d6a7e31f9ee0fd92c2fe210a781
[INFO] running `Command { std: "docker" "start" "-a" "372953f78be2d8bd30c2e425cc68097497128d6a7e31f9ee0fd92c2fe210a781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "372953f78be2d8bd30c2e425cc68097497128d6a7e31f9ee0fd92c2fe210a781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372953f78be2d8bd30c2e425cc68097497128d6a7e31f9ee0fd92c2fe210a781", kill_on_drop: false }`
[INFO] [stdout] 372953f78be2d8bd30c2e425cc68097497128d6a7e31f9ee0fd92c2fe210a781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c8478de71217c57e841fd72f8ce57cc1c1a93bf6ea26c9c663039cdc1d3c31ef
[INFO] running `Command { std: "docker" "start" "-a" "c8478de71217c57e841fd72f8ce57cc1c1a93bf6ea26c9c663039cdc1d3c31ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling crates_pet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "c8478de71217c57e841fd72f8ce57cc1c1a93bf6ea26c9c663039cdc1d3c31ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8478de71217c57e841fd72f8ce57cc1c1a93bf6ea26c9c663039cdc1d3c31ef", kill_on_drop: false }`
[INFO] [stdout] c8478de71217c57e841fd72f8ce57cc1c1a93bf6ea26c9c663039cdc1d3c31ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 650a6bfb59dba4ea03052850ff40942b8e71ef1b20079a74f408eeec8248c643
[INFO] running `Command { std: "docker" "start" "-a" "650a6bfb59dba4ea03052850ff40942b8e71ef1b20079a74f408eeec8248c643", kill_on_drop: false }`
[INFO] [stderr]    Compiling crates_pet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "650a6bfb59dba4ea03052850ff40942b8e71ef1b20079a74f408eeec8248c643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "650a6bfb59dba4ea03052850ff40942b8e71ef1b20079a74f408eeec8248c643", kill_on_drop: false }`
[INFO] [stdout] 650a6bfb59dba4ea03052850ff40942b8e71ef1b20079a74f408eeec8248c643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6bc2bdf499839b088b04f0ff078a970353d49e1df6a7f117e0142045a039536a
[INFO] running `Command { std: "docker" "start" "-a" "6bc2bdf499839b088b04f0ff078a970353d49e1df6a7f117e0142045a039536a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crates_pet-4fd4815427d1a2c1)
[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 crates_pet
[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" "6bc2bdf499839b088b04f0ff078a970353d49e1df6a7f117e0142045a039536a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc2bdf499839b088b04f0ff078a970353d49e1df6a7f117e0142045a039536a", kill_on_drop: false }`
[INFO] [stdout] 6bc2bdf499839b088b04f0ff078a970353d49e1df6a7f117e0142045a039536a