[INFO] fetching crate wasm-component 0.1.7...
[INFO] testing wasm-component-0.1.7 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate wasm-component 0.1.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate wasm-component 0.1.7
[INFO] finished tweaking crates.io crate wasm-component 0.1.7
[INFO] tweaked toml for crates.io crate wasm-component 0.1.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasm-component 0.1.7 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[INFO] [stderr]       Adding gloo v0.2.1 (available: v0.12.0)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.23.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aee1449f3d5efc56629cfe3282087850ed80bb22e9c1dfa235bc22dbdb6e6076
[INFO] running `Command { std: "docker" "start" "-a" "aee1449f3d5efc56629cfe3282087850ed80bb22e9c1dfa235bc22dbdb6e6076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aee1449f3d5efc56629cfe3282087850ed80bb22e9c1dfa235bc22dbdb6e6076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee1449f3d5efc56629cfe3282087850ed80bb22e9c1dfa235bc22dbdb6e6076", kill_on_drop: false }`
[INFO] [stdout] aee1449f3d5efc56629cfe3282087850ed80bb22e9c1dfa235bc22dbdb6e6076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aeb0a820a111fc7c22687b9e1fa3231152ec466854ad5ecd4753f6145586218
[INFO] running `Command { std: "docker" "start" "-a" "7aeb0a820a111fc7c22687b9e1fa3231152ec466854ad5ecd4753f6145586218", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.118
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling wasm-bindgen v0.2.118
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling wasm-bindgen-test-shared v0.2.118
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling nom_html_parser v0.1.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.118
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.68
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.118
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling mustache v0.9.0
[INFO] [stderr]    Compiling js-sys v0.3.95
[INFO] [stderr]    Compiling web-sys v0.3.95
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.68
[INFO] [stderr]    Compiling gloo-timers v0.2.6
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.68
[INFO] [stderr]    Compiling gloo-events v0.1.2
[INFO] [stderr]    Compiling gloo-console-timer v0.1.0
[INFO] [stderr]    Compiling gloo-file v0.1.0
[INFO] [stderr]    Compiling gloo v0.2.1
[INFO] [stderr]    Compiling wasm-component v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `extern`
[INFO] [stdout]   --> src/v2/driver/dom/mod.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub extern "C" {
[INFO] [stdout]    | ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]    --> src/v2/driver/dom/mod.rs:110:43
[INFO] [stdout]     |
[INFO] [stdout] 110 | ...                   &JsValue::from_serde(&app_event).unwrap(),
[INFO] [stdout]     |                                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/v2/app/dom/mod.rs:28:79
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let mess: Result<AppEvent, serde_json::error::Error> = e.detail().into_serde();
[INFO] [stdout]    |                                                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element_id`
[INFO] [stdout]   --> src/v2/driver/dom/component.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |    fn render_child(&mut self, element_id: String, tag: String, parent: Option<web_sys::Element>) -> Result<(), ()> {
[INFO] [stdout]    |                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/v2/driver/dom/component.rs:14:51
[INFO] [stdout]    |
[INFO] [stdout] 14 |    fn render_child(&mut self, element_id: String, tag: String, parent: Option<web_sys::Element>) -> Result<(), ()> {
[INFO] [stdout]    |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent`
[INFO] [stdout]   --> src/v2/driver/dom/component.rs:14:64
[INFO] [stdout]    |
[INFO] [stdout] 14 |    fn render_child(&mut self, element_id: String, tag: String, parent: Option<web_sys::Element>) -> Result<(), ()> {
[INFO] [stdout]    |                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element_id`
[INFO] [stdout]   --> src/v2/driver/dom/component.rs:17:32
[INFO] [stdout]    |
[INFO] [stdout] 17 |    fn destroy_child(&mut self, element_id: String) {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/v2/driver/dom/mod.rs:512:9
[INFO] [stdout]     |
[INFO] [stdout] 512 |         mut node: NomHtmlElement,
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-component` (lib) due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7aeb0a820a111fc7c22687b9e1fa3231152ec466854ad5ecd4753f6145586218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aeb0a820a111fc7c22687b9e1fa3231152ec466854ad5ecd4753f6145586218", kill_on_drop: false }`
[INFO] [stdout] 7aeb0a820a111fc7c22687b9e1fa3231152ec466854ad5ecd4753f6145586218
