[INFO] fetching crate sauron-syntax 0.1.4...
[INFO] testing sauron-syntax-0.1.4 against beta-2020-10-09 for beta-1.48-1
[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-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mt-dom v0.6.0
[INFO] [stderr]   Downloaded sauron-core v0.32.4
[INFO] [stderr]   Downloaded sauron-parse v0.1.7
[INFO] [stderr]   Downloaded mt-dom v0.2.2
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 04efe2e96f7cc32ad96a341472ff2525bafdac6daf5a7da73bea637a13dfe176
[INFO] running `Command { std: "docker" "start" "-a" "04efe2e96f7cc32ad96a341472ff2525bafdac6daf5a7da73bea637a13dfe176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04efe2e96f7cc32ad96a341472ff2525bafdac6daf5a7da73bea637a13dfe176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04efe2e96f7cc32ad96a341472ff2525bafdac6daf5a7da73bea637a13dfe176", kill_on_drop: false }`
[INFO] [stdout] 04efe2e96f7cc32ad96a341472ff2525bafdac6daf5a7da73bea637a13dfe176
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3646fdaad8f92972a6c45ab8ff7bc70b6f91503219051705e3c1b295284f8e0
[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" "d3646fdaad8f92972a6c45ab8ff7bc70b6f91503219051705e3c1b295284f8e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mt-dom v0.2.2
[INFO] [stderr]    Compiling mt-dom v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]    Compiling xml5ever v0.16.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.68
[INFO] [stderr]    Compiling js-sys v0.3.45
[INFO] [stderr]    Compiling markup5ever_rcdom v0.1.0
[INFO] [stderr]    Compiling web-sys v0.3.45
[INFO] [stderr]    Compiling sauron-core v0.32.4
[INFO] [stderr]    Compiling sauron v0.28.2
[INFO] [stderr]    Compiling sauron-parse v0.1.7
[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<&str, &str, &str, sauron_core::html::attributes::attribute_value::AttributeValue, sauron::web_sys::Event, ()>` 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::web_sys::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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d3646fdaad8f92972a6c45ab8ff7bc70b6f91503219051705e3c1b295284f8e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3646fdaad8f92972a6c45ab8ff7bc70b6f91503219051705e3c1b295284f8e0", kill_on_drop: false }`
[INFO] [stdout] d3646fdaad8f92972a6c45ab8ff7bc70b6f91503219051705e3c1b295284f8e0
