[INFO] fetching crate sauron-syntax 0.1.4...
[INFO] testing sauron-syntax-0.1.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate sauron-syntax 0.1.4 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate sauron-syntax 0.1.4 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mt-dom v0.2.2
[INFO] [stderr]   Downloaded sauron-parse v0.1.8
[INFO] [stderr]   Downloaded sauron-core v0.32.6
[INFO] [stderr]   Downloaded mt-dom v0.6.3
[INFO] [stderr]   Downloaded sauron v0.28.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4bd4f51a82d2b9ed5713f8c778f5e4bd23ef1b5ae5168515e4deee68e7edca4
[INFO] running `Command { std: "docker" "start" "-a" "f4bd4f51a82d2b9ed5713f8c778f5e4bd23ef1b5ae5168515e4deee68e7edca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4bd4f51a82d2b9ed5713f8c778f5e4bd23ef1b5ae5168515e4deee68e7edca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4bd4f51a82d2b9ed5713f8c778f5e4bd23ef1b5ae5168515e4deee68e7edca4", kill_on_drop: false }`
[INFO] [stdout] f4bd4f51a82d2b9ed5713f8c778f5e4bd23ef1b5ae5168515e4deee68e7edca4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95a10bb0eaf8f51e52ef0c2acaf2f7d6db0bc49e0a644882ca84a10d10e206fe
[INFO] running `Command { std: "docker" "start" "-a" "95a10bb0eaf8f51e52ef0c2acaf2f7d6db0bc49e0a644882ca84a10d10e206fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.80
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.80
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling mt-dom v0.2.2
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling mt-dom v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.80
[INFO] [stderr]    Compiling string_cache v0.8.4
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.80
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling html5ever v0.25.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.80
[INFO] [stderr]    Compiling xml5ever v0.16.2
[INFO] [stderr]    Compiling js-sys v0.3.57
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling markup5ever_rcdom v0.1.0
[INFO] [stderr]    Compiling web-sys v0.3.57
[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" "95a10bb0eaf8f51e52ef0c2acaf2f7d6db0bc49e0a644882ca84a10d10e206fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a10bb0eaf8f51e52ef0c2acaf2f7d6db0bc49e0a644882ca84a10d10e206fe", kill_on_drop: false }`
[INFO] [stdout] 95a10bb0eaf8f51e52ef0c2acaf2f7d6db0bc49e0a644882ca84a10d10e206fe