[INFO] fetching crate crates_pet 0.1.0...
[INFO] testing crates_pet-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate crates_pet 0.1.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate crates_pet 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6026b0df79f77c97df16ec291d758fecbfaff477c34b18f0de5f4d7e5be5a1d3
[INFO] running `Command { std: "docker" "start" "-a" "6026b0df79f77c97df16ec291d758fecbfaff477c34b18f0de5f4d7e5be5a1d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6026b0df79f77c97df16ec291d758fecbfaff477c34b18f0de5f4d7e5be5a1d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6026b0df79f77c97df16ec291d758fecbfaff477c34b18f0de5f4d7e5be5a1d3", kill_on_drop: false }`
[INFO] [stdout] 6026b0df79f77c97df16ec291d758fecbfaff477c34b18f0de5f4d7e5be5a1d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c93754fd1616dbf6c148e03b1c7f55ee9f5b70078d628b243a9d73ee57cd7604
[INFO] running `Command { std: "docker" "start" "-a" "c93754fd1616dbf6c148e03b1c7f55ee9f5b70078d628b243a9d73ee57cd7604", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crates_pet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "c93754fd1616dbf6c148e03b1c7f55ee9f5b70078d628b243a9d73ee57cd7604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c93754fd1616dbf6c148e03b1c7f55ee9f5b70078d628b243a9d73ee57cd7604", kill_on_drop: false }`
[INFO] [stdout] c93754fd1616dbf6c148e03b1c7f55ee9f5b70078d628b243a9d73ee57cd7604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf7b9a89a87ee80358816de13a903f5780e47e273fe3196e8adee2c20a925492
[INFO] running `Command { std: "docker" "start" "-a" "bf7b9a89a87ee80358816de13a903f5780e47e273fe3196e8adee2c20a925492", kill_on_drop: false }`
[INFO] [stderr]    Compiling crates_pet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "bf7b9a89a87ee80358816de13a903f5780e47e273fe3196e8adee2c20a925492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf7b9a89a87ee80358816de13a903f5780e47e273fe3196e8adee2c20a925492", kill_on_drop: false }`
[INFO] [stdout] bf7b9a89a87ee80358816de13a903f5780e47e273fe3196e8adee2c20a925492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 10ac2016e543454c193864f4731f3f6a39fe898f2580421d3209b95f0017cba6
[INFO] running `Command { std: "docker" "start" "-a" "10ac2016e543454c193864f4731f3f6a39fe898f2580421d3209b95f0017cba6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crates_pet-7166f11e865e058c)
[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" "10ac2016e543454c193864f4731f3f6a39fe898f2580421d3209b95f0017cba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ac2016e543454c193864f4731f3f6a39fe898f2580421d3209b95f0017cba6", kill_on_drop: false }`
[INFO] [stdout] 10ac2016e543454c193864f4731f3f6a39fe898f2580421d3209b95f0017cba6