[INFO] fetching crate dscfg-client 0.1.0...
[INFO] testing dscfg-client-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dscfg-client 0.1.0 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate dscfg-client 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 dscfg-client 0.1.0
[INFO] finished tweaking crates.io crate dscfg-client 0.1.0
[INFO] tweaked toml for crates.io crate dscfg-client 0.1.0 written to /workspace/builds/worker-78/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 33977e68108458d51f703a961e3194a9f28c03b9f821748440c430e36c683424
[INFO] running `Command { std: "docker" "start" "-a" "33977e68108458d51f703a961e3194a9f28c03b9f821748440c430e36c683424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33977e68108458d51f703a961e3194a9f28c03b9f821748440c430e36c683424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33977e68108458d51f703a961e3194a9f28c03b9f821748440c430e36c683424", kill_on_drop: false }`
[INFO] [stdout] 33977e68108458d51f703a961e3194a9f28c03b9f821748440c430e36c683424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 67bb3314a9c1646d7aeafff50a0de06bdbd8d3efddc9bf2ddcac2481cc14aabd
[INFO] running `Command { std: "docker" "start" "-a" "67bb3314a9c1646d7aeafff50a0de06bdbd8d3efddc9bf2ddcac2481cc14aabd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling dscfg-proto v0.1.0
[INFO] [stderr]    Compiling dscfg-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.51s
[INFO] running `Command { std: "docker" "inspect" "67bb3314a9c1646d7aeafff50a0de06bdbd8d3efddc9bf2ddcac2481cc14aabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67bb3314a9c1646d7aeafff50a0de06bdbd8d3efddc9bf2ddcac2481cc14aabd", kill_on_drop: false }`
[INFO] [stdout] 67bb3314a9c1646d7aeafff50a0de06bdbd8d3efddc9bf2ddcac2481cc14aabd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 7e831060448570049e5d1ba202700e7359bcd3ec88a18efaaa45f369225e0d58
[INFO] running `Command { std: "docker" "start" "-a" "7e831060448570049e5d1ba202700e7359bcd3ec88a18efaaa45f369225e0d58", kill_on_drop: false }`
[INFO] [stderr]    Compiling dscfg-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "7e831060448570049e5d1ba202700e7359bcd3ec88a18efaaa45f369225e0d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e831060448570049e5d1ba202700e7359bcd3ec88a18efaaa45f369225e0d58", kill_on_drop: false }`
[INFO] [stdout] 7e831060448570049e5d1ba202700e7359bcd3ec88a18efaaa45f369225e0d58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 3bc8737b17fdb63184e6ac8af99e627b3ace058ac7512c6b02f9ef1cbbcf142a
[INFO] running `Command { std: "docker" "start" "-a" "3bc8737b17fdb63184e6ac8af99e627b3ace058ac7512c6b02f9ef1cbbcf142a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dscfg_client-d50d3bea4a52e0a5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dscfg-client
[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] [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" "3bc8737b17fdb63184e6ac8af99e627b3ace058ac7512c6b02f9ef1cbbcf142a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc8737b17fdb63184e6ac8af99e627b3ace058ac7512c6b02f9ef1cbbcf142a", kill_on_drop: false }`
[INFO] [stdout] 3bc8737b17fdb63184e6ac8af99e627b3ace058ac7512c6b02f9ef1cbbcf142a