[INFO] fetching crate html-diff 0.0.6...
[INFO] testing html-diff-0.0.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate html-diff 0.0.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate html-diff 0.0.6 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 html-diff 0.0.6
[INFO] finished tweaking crates.io crate html-diff 0.0.6
[INFO] tweaked toml for crates.io crate html-diff 0.0.6 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b92bf52e29e519a35ce035244062e904bb7391fd4d61d5697098d8b6233c29f
[INFO] running `Command { std: "docker" "start" "-a" "8b92bf52e29e519a35ce035244062e904bb7391fd4d61d5697098d8b6233c29f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b92bf52e29e519a35ce035244062e904bb7391fd4d61d5697098d8b6233c29f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b92bf52e29e519a35ce035244062e904bb7391fd4d61d5697098d8b6233c29f", kill_on_drop: false }`
[INFO] [stdout] 8b92bf52e29e519a35ce035244062e904bb7391fd4d61d5697098d8b6233c29f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4e9b788113efa10be540949843b881fcba7bc86dd76bdf77688bd3f12657d87b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e9b788113efa10be540949843b881fcba7bc86dd76bdf77688bd3f12657d87b", kill_on_drop: false }`
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]    Compiling smallvec v0.3.4
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.5.0
[INFO] [stderr]    Compiling selectors v0.18.0
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling cssparser v0.13.7
[INFO] [stderr]    Compiling html5ever v0.20.0
[INFO] [stderr]    Compiling kuchiki v0.6.0
[INFO] [stderr]    Compiling html-diff v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.29s
[INFO] running `Command { std: "docker" "inspect" "4e9b788113efa10be540949843b881fcba7bc86dd76bdf77688bd3f12657d87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9b788113efa10be540949843b881fcba7bc86dd76bdf77688bd3f12657d87b", kill_on_drop: false }`
[INFO] [stdout] 4e9b788113efa10be540949843b881fcba7bc86dd76bdf77688bd3f12657d87b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 897c3cf02ab50e4bcc6c604e20d2a3aaf07ca33213ee067b65a4d131bc38921a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "897c3cf02ab50e4bcc6c604e20d2a3aaf07ca33213ee067b65a4d131bc38921a", kill_on_drop: false }`
[INFO] [stderr]    Compiling html-diff v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "897c3cf02ab50e4bcc6c604e20d2a3aaf07ca33213ee067b65a4d131bc38921a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "897c3cf02ab50e4bcc6c604e20d2a3aaf07ca33213ee067b65a4d131bc38921a", kill_on_drop: false }`
[INFO] [stdout] 897c3cf02ab50e4bcc6c604e20d2a3aaf07ca33213ee067b65a4d131bc38921a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 8d44472f2027e8fbb3768096fc82ab8bcf881b13bea29d6dc6829dfe217ad743
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8d44472f2027e8fbb3768096fc82ab8bcf881b13bea29d6dc6829dfe217ad743", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/html_diff-981321689ed9eb0c)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_unicode ... ok
[INFO] [stdout] test test_path_logic ... ok
[INFO] [stdout] test test_path ... ok
[INFO] [stdout] test test_path_logic2 ... ok
[INFO] [stdout] test test_attributes ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/html_diff-16a280659de8949e)
[INFO] [stdout] test basic_diff ... ok
[INFO] [stdout] test check_attributes_order ... ok
[INFO] [stdout] test check_attributes_missing ... ok
[INFO] [stdout] test test_issue_6 ... ok
[INFO] [stdout] test children_diff ... ok
[INFO] [stdout] test check_child_below ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_files.rs (/opt/rustwide/target/debug/deps/test_files-5f731fd428c08471)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests html-diff
[INFO] [stdout] test test_files ... 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] [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" "8d44472f2027e8fbb3768096fc82ab8bcf881b13bea29d6dc6829dfe217ad743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d44472f2027e8fbb3768096fc82ab8bcf881b13bea29d6dc6829dfe217ad743", kill_on_drop: false }`
[INFO] [stdout] 8d44472f2027e8fbb3768096fc82ab8bcf881b13bea29d6dc6829dfe217ad743