[INFO] fetching crate sauron-syntax 0.1.4...
[INFO] testing sauron-syntax-0.1.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sauron-syntax 0.1.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sauron-syntax 0.1.4 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 sauron-syntax 0.1.4
[INFO] finished tweaking crates.io crate sauron-syntax 0.1.4
[INFO] tweaked toml for crates.io crate sauron-syntax 0.1.4 written to /workspace/builds/worker-5/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]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded utf-8 v0.7.6
[INFO] [stderr]   Downloaded markup5ever v0.10.1
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.4
[INFO] [stderr]   Downloaded tendril v0.4.2
[INFO] [stderr]   Downloaded html5ever v0.25.1
[INFO] [stderr]   Downloaded precomputed-hash v0.1.1
[INFO] [stderr]   Downloaded doc-comment v0.3.3
[INFO] [stderr]   Downloaded mac v0.1.1
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.1.0
[INFO] [stderr]   Downloaded string_cache v0.8.1
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.1
[INFO] [stderr]   Downloaded futf v0.1.4
[INFO] [stderr]   Downloaded xml5ever v0.16.1
[INFO] [stderr]   Downloaded mt-dom v0.2.2
[INFO] [stderr]   Downloaded sauron-parse v0.1.8
[INFO] [stderr]   Downloaded mt-dom v0.6.3
[INFO] [stderr]   Downloaded sauron-core v0.32.6
[INFO] [stderr]   Downloaded sauron v0.28.2
[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" "+beta-2021-09-08" "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] f97ec264f4452ee6f6cb4526d201fb17bd95edf02d45822cd203fd93b8ba27a5
[INFO] running `Command { std: "docker" "start" "-a" "f97ec264f4452ee6f6cb4526d201fb17bd95edf02d45822cd203fd93b8ba27a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f97ec264f4452ee6f6cb4526d201fb17bd95edf02d45822cd203fd93b8ba27a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f97ec264f4452ee6f6cb4526d201fb17bd95edf02d45822cd203fd93b8ba27a5", kill_on_drop: false }`
[INFO] [stdout] f97ec264f4452ee6f6cb4526d201fb17bd95edf02d45822cd203fd93b8ba27a5
[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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", 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] 67915a8f3cbb6200228d4b13c349abff350f08d110ac3a6ce86225795c7effa1
[INFO] running `Command { std: "docker" "start" "-a" "67915a8f3cbb6200228d4b13c349abff350f08d110ac3a6ce86225795c7effa1", kill_on_drop: false }`
[INFO] [stderr]    Compiling mt-dom v0.2.2
[INFO] [stderr]    Compiling mt-dom v0.6.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.77
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.77
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.77
[INFO] [stderr]    Compiling wasm-bindgen v0.2.77
[INFO] [stderr]    Compiling js-sys v0.3.54
[INFO] [stderr]    Compiling web-sys v0.3.54
[INFO] [stderr]    Compiling sauron-core v0.32.6
[INFO] [stderr]    Compiling sauron v0.28.2
[INFO] [stderr]    Compiling sauron-parse v0.1.8
[INFO] [stderr]    Compiling sauron-syntax v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `to_syntax` found for enum `mt_dom::node::Node` in the current scope
[INFO] [stdout]   --> src/lib.rs:28:27
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 root_node.to_syntax(&mut buffer, use_macro, 0)?;
[INFO] [stdout]    |                           ^^^^^^^^^ method not found in `mt_dom::node::Node<&str, &str, &str, sauron_core::html::attributes::attribute_value::AttributeValue, sauron_core::dom::events::Event, ()>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `ToSyntax` defines an item `to_syntax`, perhaps you need to implement it
[INFO] [stdout]   --> src/to_syntax.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub trait ToSyntax {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sauron-syntax` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "67915a8f3cbb6200228d4b13c349abff350f08d110ac3a6ce86225795c7effa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67915a8f3cbb6200228d4b13c349abff350f08d110ac3a6ce86225795c7effa1", kill_on_drop: false }`
[INFO] [stdout] 67915a8f3cbb6200228d4b13c349abff350f08d110ac3a6ce86225795c7effa1