[INFO] fetching crate serval 0.1.0...
[INFO] testing serval-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serval 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate serval 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 serval 0.1.0
[INFO] finished tweaking crates.io crate serval 0.1.0
[INFO] tweaked toml for crates.io crate serval 0.1.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2ce8c5784aa1cefcf892a25eda7b67ac9b9574201d9bd11ecd30b6d4295a125f
[INFO] running `Command { std: "docker" "start" "-a" "2ce8c5784aa1cefcf892a25eda7b67ac9b9574201d9bd11ecd30b6d4295a125f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ce8c5784aa1cefcf892a25eda7b67ac9b9574201d9bd11ecd30b6d4295a125f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce8c5784aa1cefcf892a25eda7b67ac9b9574201d9bd11ecd30b6d4295a125f", kill_on_drop: false }`
[INFO] [stdout] 2ce8c5784aa1cefcf892a25eda7b67ac9b9574201d9bd11ecd30b6d4295a125f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e27130dc5ea8e889a03d0af88d692258a09ce26e0fca7bd78fb02128de4970eb
[INFO] running `Command { std: "docker" "start" "-a" "e27130dc5ea8e889a03d0af88d692258a09ce26e0fca7bd78fb02128de4970eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling loggerv v0.7.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling logger v0.4.0
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling serval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.29s
[INFO] running `Command { std: "docker" "inspect" "e27130dc5ea8e889a03d0af88d692258a09ce26e0fca7bd78fb02128de4970eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27130dc5ea8e889a03d0af88d692258a09ce26e0fca7bd78fb02128de4970eb", kill_on_drop: false }`
[INFO] [stdout] e27130dc5ea8e889a03d0af88d692258a09ce26e0fca7bd78fb02128de4970eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 93c67e7d5ae6dcec3bfb75543525663871c826c4f3e676d2c3d68bdb5534c1f0
[INFO] running `Command { std: "docker" "start" "-a" "93c67e7d5ae6dcec3bfb75543525663871c826c4f3e676d2c3d68bdb5534c1f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "93c67e7d5ae6dcec3bfb75543525663871c826c4f3e676d2c3d68bdb5534c1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c67e7d5ae6dcec3bfb75543525663871c826c4f3e676d2c3d68bdb5534c1f0", kill_on_drop: false }`
[INFO] [stdout] 93c67e7d5ae6dcec3bfb75543525663871c826c4f3e676d2c3d68bdb5534c1f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9cf6d112642272e02d038648f92035a3a867e8f3193d3e57a5fa8f8465459492
[INFO] running `Command { std: "docker" "start" "-a" "9cf6d112642272e02d038648f92035a3a867e8f3193d3e57a5fa8f8465459492", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serval-d799068c2de64341)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test css::parser::test::declaration_test ... ok
[INFO] [stdout] test css::parser::test::color_test ... ok
[INFO] [stdout] test css::parser::test::hex_pair_test ... ok
[INFO] [stdout] test css::parser::test::stylesheet_test ... ignored
[INFO] [stdout] test css::parser::test::value_test ... ok
[INFO] [stdout] test css::parser::test::identifier_test ... ok
[INFO] [stdout] test css::parser::test::length_test ... ok
[INFO] [stdout] test css::parser::test::simple_selector_test ... ok
[INFO] [stdout] test css::parser::test::declarations_test ... ok
[INFO] [stdout] test css::parser::test::selector_test ... ok
[INFO] [stdout] test dom::parser::attribute_test ... ok
[INFO] [stdout] test css::test::sorted_selectors_test ... ok
[INFO] [stdout] test css::parser::test::universal_selector_test ... ok
[INFO] [stdout] test css::parser::test::tag_name_test ... ok
[INFO] [stdout] test dom::parser::text_test ... ok
[INFO] [stdout] test layout::test::calculate_block_width_test ... ok
[INFO] [stdout] test dom::test::node_display ... ok
[INFO] [stdout] test dom::test::text_display ... ok
[INFO] [stdout] test layout::test::layout_dump_test ... ok
[INFO] [stdout] test style::test::simple_selector_match_test ... ok
[INFO] [stdout] test layout::test::layout_test ... ok
[INFO] [stdout] test style::test::css_specified_values_test ... ok
[INFO] [stdout] test css::parser::test::keyword_string_test ... ok
[INFO] [stdout] test style::test::match_selectors_test ... ok
[INFO] [stdout] test css::parser::test::selectors_test ... ok
[INFO] [stdout] test dom::parser::tests::node_test ... ok
[INFO] [stdout] test style::test::matching_rules_test ... ok
[INFO] [stdout] test css::parser::test::rule_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serval-d1c35c54b73cae29)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serval
[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" "9cf6d112642272e02d038648f92035a3a867e8f3193d3e57a5fa8f8465459492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf6d112642272e02d038648f92035a3a867e8f3193d3e57a5fa8f8465459492", kill_on_drop: false }`
[INFO] [stdout] 9cf6d112642272e02d038648f92035a3a867e8f3193d3e57a5fa8f8465459492