[INFO] fetching crate parka 0.1.0...
[INFO] testing parka-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate parka 0.1.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate parka 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 parka 0.1.0
[INFO] finished tweaking crates.io crate parka 0.1.0
[INFO] tweaked toml for crates.io crate parka 0.1.0 written to /workspace/builds/worker-42/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] 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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] e2382454992905bac2af8fdda92a063ee46903f38d8af6314a7a2ff6e943c73e
[INFO] running `Command { std: "docker" "start" "-a" "e2382454992905bac2af8fdda92a063ee46903f38d8af6314a7a2ff6e943c73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2382454992905bac2af8fdda92a063ee46903f38d8af6314a7a2ff6e943c73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2382454992905bac2af8fdda92a063ee46903f38d8af6314a7a2ff6e943c73e", kill_on_drop: false }`
[INFO] [stdout] e2382454992905bac2af8fdda92a063ee46903f38d8af6314a7a2ff6e943c73e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 8de62b86dddba347c47777dd360962c8a786ad974e8aa62e754da128e185f98d
[INFO] running `Command { std: "docker" "start" "-a" "8de62b86dddba347c47777dd360962c8a786ad974e8aa62e754da128e185f98d", kill_on_drop: false }`
[INFO] [stderr]    Compiling parka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "8de62b86dddba347c47777dd360962c8a786ad974e8aa62e754da128e185f98d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de62b86dddba347c47777dd360962c8a786ad974e8aa62e754da128e185f98d", kill_on_drop: false }`
[INFO] [stdout] 8de62b86dddba347c47777dd360962c8a786ad974e8aa62e754da128e185f98d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 9b2b5613d051b1aa7b1b210648814267d5e5eb552aeedd310431dfed057f9005
[INFO] running `Command { std: "docker" "start" "-a" "9b2b5613d051b1aa7b1b210648814267d5e5eb552aeedd310431dfed057f9005", kill_on_drop: false }`
[INFO] [stderr]    Compiling parka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "9b2b5613d051b1aa7b1b210648814267d5e5eb552aeedd310431dfed057f9005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b2b5613d051b1aa7b1b210648814267d5e5eb552aeedd310431dfed057f9005", kill_on_drop: false }`
[INFO] [stdout] 9b2b5613d051b1aa7b1b210648814267d5e5eb552aeedd310431dfed057f9005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] a3ea36bdca29b3581fe1f75be009e841d0f1173ce049f128784b597da350b61b
[INFO] running `Command { std: "docker" "start" "-a" "a3ea36bdca29b3581fe1f75be009e841d0f1173ce049f128784b597da350b61b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parka-3b184cd7ae3eef98)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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] [stderr]    Doc-tests parka
[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" "a3ea36bdca29b3581fe1f75be009e841d0f1173ce049f128784b597da350b61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ea36bdca29b3581fe1f75be009e841d0f1173ce049f128784b597da350b61b", kill_on_drop: false }`
[INFO] [stdout] a3ea36bdca29b3581fe1f75be009e841d0f1173ce049f128784b597da350b61b