[INFO] fetching crate taker 0.1.0...
[INFO] testing taker-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate taker 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate taker 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 taker 0.1.0
[INFO] finished tweaking crates.io crate taker 0.1.0
[INFO] tweaked toml for crates.io crate taker 0.1.0 written to /workspace/builds/worker-7/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b4cc19d6438f3b1a4ec7e888548910b49012276af81d0ce067f73d3f19342c40
[INFO] running `Command { std: "docker" "start" "-a" "b4cc19d6438f3b1a4ec7e888548910b49012276af81d0ce067f73d3f19342c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4cc19d6438f3b1a4ec7e888548910b49012276af81d0ce067f73d3f19342c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4cc19d6438f3b1a4ec7e888548910b49012276af81d0ce067f73d3f19342c40", kill_on_drop: false }`
[INFO] [stdout] b4cc19d6438f3b1a4ec7e888548910b49012276af81d0ce067f73d3f19342c40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3d5313df3c745a8ec62a0e3e40202ff0a45092a1978335c553168ed7c112e1e5
[INFO] running `Command { std: "docker" "start" "-a" "3d5313df3c745a8ec62a0e3e40202ff0a45092a1978335c553168ed7c112e1e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling taker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "3d5313df3c745a8ec62a0e3e40202ff0a45092a1978335c553168ed7c112e1e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5313df3c745a8ec62a0e3e40202ff0a45092a1978335c553168ed7c112e1e5", kill_on_drop: false }`
[INFO] [stdout] 3d5313df3c745a8ec62a0e3e40202ff0a45092a1978335c553168ed7c112e1e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ab23027a0656b89cfe2833a3f2b4b325a4d563260d01142da29ab96d6d693f14
[INFO] running `Command { std: "docker" "start" "-a" "ab23027a0656b89cfe2833a3f2b4b325a4d563260d01142da29ab96d6d693f14", kill_on_drop: false }`
[INFO] [stderr]    Compiling taker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "ab23027a0656b89cfe2833a3f2b4b325a4d563260d01142da29ab96d6d693f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab23027a0656b89cfe2833a3f2b4b325a4d563260d01142da29ab96d6d693f14", kill_on_drop: false }`
[INFO] [stdout] ab23027a0656b89cfe2833a3f2b4b325a4d563260d01142da29ab96d6d693f14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d261dc3a5a4ee73047e4c10c23ccd548ddc164d2b1e58de9ed8da5351afb8718
[INFO] running `Command { std: "docker" "start" "-a" "d261dc3a5a4ee73047e4c10c23ccd548ddc164d2b1e58de9ed8da5351afb8718", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/taker-cf2c4af65f35c889)
[INFO] [stdout] test tests::test_option ... ok
[INFO] [stderr]    Doc-tests taker
[INFO] [stdout] test tests::test_own ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "d261dc3a5a4ee73047e4c10c23ccd548ddc164d2b1e58de9ed8da5351afb8718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d261dc3a5a4ee73047e4c10c23ccd548ddc164d2b1e58de9ed8da5351afb8718", kill_on_drop: false }`
[INFO] [stdout] d261dc3a5a4ee73047e4c10c23ccd548ddc164d2b1e58de9ed8da5351afb8718