[INFO] fetching crate cascading-wasm-language 0.0.2... [INFO] checking cascading-wasm-language-0.0.2 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] extracting crate cascading-wasm-language 0.0.2 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate cascading-wasm-language 0.0.2 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cascading-wasm-language 0.0.2 [INFO] finished tweaking crates.io crate cascading-wasm-language 0.0.2 [INFO] tweaked toml for crates.io crate cascading-wasm-language 0.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 46 packages to latest compatible versions [INFO] [stderr] Adding html-minifier v3.0.15 (available: v5.0.0) [INFO] [stderr] Adding minifier v0.0.43 (available: v0.3.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded html-minifier v3.0.15 [INFO] [stderr] Downloaded minifier v0.0.43 [INFO] [stderr] Downloaded cow-utils v0.1.3 [INFO] [stderr] Downloaded macro-utils v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b4d8ecd447d1d70d9378abd07213c40c44926905e500c10b6bb3e578e1406f3 [INFO] running `Command { std: "docker" "start" "-a" "3b4d8ecd447d1d70d9378abd07213c40c44926905e500c10b6bb3e578e1406f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b4d8ecd447d1d70d9378abd07213c40c44926905e500c10b6bb3e578e1406f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b4d8ecd447d1d70d9378abd07213c40c44926905e500c10b6bb3e578e1406f3", kill_on_drop: false }` [INFO] [stdout] 3b4d8ecd447d1d70d9378abd07213c40c44926905e500c10b6bb3e578e1406f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb258c0cb4197d08d2ef443bddd595533301623705ad4dbb63b627539ac01d1b [INFO] running `Command { std: "docker" "start" "-a" "cb258c0cb4197d08d2ef443bddd595533301623705ad4dbb63b627539ac01d1b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.93 [INFO] [stderr] Compiling bumpalo v3.16.0 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling wasm-bindgen v0.2.93 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking unicode-ident v1.0.13 [INFO] [stderr] Checking utf8-width v0.1.7 [INFO] [stderr] Checking macro-utils v0.1.3 [INFO] [stderr] Checking html-escape v0.2.13 [INFO] [stderr] Checking minifier v0.0.43 [INFO] [stderr] Checking cow-utils v0.1.3 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.93 [INFO] [stderr] Compiling enum-ordinalize-derive v4.3.1 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.43 [INFO] [stderr] Compiling enum-ordinalize v4.3.0 [INFO] [stderr] Compiling educe v0.6.0 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.93 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.93 [INFO] [stderr] Checking html-minifier v3.0.15 [INFO] [stderr] Compiling cascading-wasm-language v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `Padding` is never constructed [INFO] [stdout] --> src/data/semantics/properties.rs:15:2 [INFO] [stdout] | [INFO] [stdout] 11 | pub enum CssProperty { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 15 | Padding, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CssProperty` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Padding` is never constructed [INFO] [stdout] --> src/data/semantics/properties.rs:15:2 [INFO] [stdout] | [INFO] [stdout] 11 | pub enum CssProperty { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 15 | Padding, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CssProperty` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking js-sys v0.3.70 [INFO] [stderr] Checking console_error_panic_hook v0.1.7 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking wasm-bindgen-futures v0.4.43 [INFO] [stderr] Checking web-sys v0.3.70 [INFO] [stderr] Checking wasm-bindgen-test v0.3.43 [INFO] [stdout] error[E0463]: can't find crate for `lazy_static` [INFO] [stdout] --> tests/basics.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | cwl_header!(); [INFO] [stdout] | ^^^^^^^^^^^^^ can't find crate [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `cwl_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `lazy_static` [INFO] [stdout] --> tests/rules.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | cwl_header!(); [INFO] [stdout] | ^^^^^^^^^^^^^ can't find crate [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `cwl_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `lazy_static` [INFO] [stdout] --> tests/stackoverflow.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | cwl_header!(); [INFO] [stdout] | ^^^^^^^^^^^^^ can't find crate [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `cwl_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] ...Creating groups... [INFO] [stderr] Analyzing Element block with identifier _ [INFO] [stderr] Applying property title:test to group 0 [INFO] [stderr] ...Rendering... [INFO] [stderr] Rendering page 0 [INFO] [stderr] Rendering element 0 [INFO] [stderr] ...Writing Wasm... [INFO] [stderr] ...Creating groups... [INFO] [stderr] Analyzing Element block with identifier _ [INFO] [stderr] *************************** [INFO] [stderr] Applying property title:test to group 0 [INFO] [stderr] ...Rendering... [INFO] [stderr] Rendering page 0 [INFO] [stderr] Rendering element 0 [INFO] [stderr] let window = web_sys :: window().expect("getting window"); let document = & [INFO] [stderr] window.document().expect("getting `window.document`"); let head = & [INFO] [stderr] document.head().expect("getting `window.document.head`"); let body = & [INFO] [stderr] ...Creating groups... [INFO] [stderr] ...Writing Wasm... [INFO] [stderr] *************************** [INFO] [stderr] let window = web_sys :: window().expect("getting window"); let document = & [INFO] [stderr] window.document().expect("getting `window.document`"); let head = & [INFO] [stderr] document.head().expect("getting `window.document.head`"); let body = & [INFO] [stderr] document.body().expect("getting `window.document.body`"); [INFO] [stderr] { [INFO] [stderr] let style = document.create_element("style").unwrap().dyn_into :: < [INFO] [stderr] HtmlElement > ().unwrap(); [INFO] [stderr] style.set_inner_text("body{margin:0}a{display:block}"); [INFO] [stderr] head.append_child(& style).unwrap(); let content = [INFO] [stderr] document.create_element("div").unwrap(); [INFO] [stderr] body.prepend_with_node_1(& content).unwrap(); [INFO] [stderr] content.set_outer_html("
"); [INFO] [stderr] } let window = web_sys :: window().expect("getting window"); let document = & [INFO] [stderr] window.document().expect("getting `window.document`"); let head = & [INFO] [stderr] document.head().expect("getting `window.document.head`"); let body = & [INFO] [stderr] document.body().expect("getting `window.document.body`"); let element = [INFO] [stderr] body.children().item(0).expect("body should have a root element").dyn_into :: [INFO] [stderr] < HtmlElement > ().unwrap(); [INFO] [stderr] Analyzing Element block with identifier _ [INFO] [stderr] Applying property title:Stack Overflow to group 0 [INFO] [stderr] Analyzing Element block with identifier header [INFO] [stderr] Analyzing Element block with identifier hamburger [INFO] [stderr] Analyzing Element block with identifier logo [INFO] [stderr] Analyzing Element block with identifier products [INFO] [stderr] Analyzing Element block with identifier search [INFO] [stderr] Analyzing Element block with identifier icons [INFO] [stderr] Analyzing Element block with identifier profile [INFO] [stderr] Analyzing Element block with identifier inbox [INFO] [stderr] Analyzing Element block with identifier achievements [INFO] [stderr] Analyzing Element block with identifier review [INFO] [stderr] Analyzing Element block with identifier help [INFO] [stderr] Analyzing Element block with identifier content [INFO] [stderr] Analyzing Element block with identifier mainbar [INFO] [stderr] Analyzing Element block with identifier headline [INFO] [stderr] Analyzing Element block with identifier filter [INFO] [stderr] Analyzing Element block with identifier list [INFO] [stderr] Analyzing Element block with identifier sidebar [INFO] [stderr] Analyzing Element block with identifier stuff [INFO] [stderr] ...Rendering... [INFO] [stderr] Rendering page 0 [INFO] [stderr] Rendering element 0 [INFO] [stderr] Rendering element 1 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Rendering element 2 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 1 [INFO] [stderr] Rendering element 3 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 1 [INFO] [stderr] Rendering element 4 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 1 [INFO] [stderr] Rendering element 5 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 1 [INFO] [stderr] Rendering element 6 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 1 [INFO] [stderr] Rendering element 7 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 1 [INFO] [stderr] Looking at ancestor: 6 [INFO] [stderr] Rendering element 8 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 1 [INFO] [stderr] Looking at ancestor: 6 [INFO] [stderr] Rendering element 9 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 1 [INFO] [stderr] Looking at ancestor: 6 [INFO] [stderr] Rendering element 10 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 1 [INFO] [stderr] Looking at ancestor: 6 [INFO] [stderr] Rendering element 11 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 1 [INFO] [stderr] Looking at ancestor: 6 [INFO] [stderr] Rendering element 12 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Rendering element 13 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 12 [INFO] [stderr] Rendering element 14 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 12 [INFO] [stderr] Looking at ancestor: 13 [INFO] [stderr] Rendering element 15 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 12 [INFO] [stderr] Looking at ancestor: 13 [INFO] [stderr] Rendering element 16 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 12 [INFO] [stderr] Looking at ancestor: 13 [INFO] [stderr] Rendering element 17 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 12 [INFO] [stderr] Rendering element 18 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] Looking at ancestor: 12 [INFO] [stderr] Looking at ancestor: 17 [INFO] [stderr] ...Writing Wasm... [INFO] [stderr] *************************** [INFO] [stderr] *************************** [INFO] [stderr] ...Creating groups... [INFO] [stderr] Analyzing Element block with identifier _ [INFO] [stderr] Applying property title:test to group 0 [INFO] [stderr] Analyzing Element block with identifier text [INFO] [stderr] Applying property text:world to group 1 [INFO] [stderr] let window = web_sys :: window().expect("getting window"); let document = & [INFO] [stderr] ...Rendering... [INFO] [stderr] window.document().expect("getting `window.document`"); let head = & [INFO] [stderr] document.head().expect("getting `window.document.head`"); let body = & [INFO] [stderr] Rendering page 0 [INFO] [stderr] Rendering element 0 [INFO] [stderr] document.body().expect("getting `window.document.body`"); [INFO] [stderr] Rendering element 1 [INFO] [stderr] Looking at ancestor: 0 [INFO] [stderr] ...Writing Wasm... [INFO] [stdout] error: cannot find macro `lazy_static` in this scope [INFO] [stdout] --> tests/rules.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | cwl_header!(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `lazy_static` is imported here, but it is an unresolved item, not a macro [INFO] [stdout] --> tests/rules.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | cwl_header!(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] = note: this error originates in the macro `cwl_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] *************************** [INFO] [stdout] error[E0425]: cannot find value `CLASSES` in this scope [INFO] [stdout] --> tests/rules.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | cwl_header!(); [INFO] [stdout] | ^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `cwl_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] let window = web_sys :: window().expect("getting window"); let document = & [INFO] [stdout] error: cannot find macro `lazy_static` in this scope [INFO] [stdout] --> tests/basics.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | cwl_header!(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `lazy_static` is imported here, but it is an unresolved item, not a macro [INFO] [stdout] --> tests/basics.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | cwl_header!(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] = note: this error originates in the macro `cwl_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] window.document().expect("getting `window.document`"); let head = & [INFO] [stdout] error: cannot find macro `lazy_static` in this scope [INFO] [stdout] --> tests/stackoverflow.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | cwl_header!(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `lazy_static` is imported here, but it is an unresolved item, not a macro [INFO] [stdout] --> tests/stackoverflow.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | cwl_header!(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] = note: this error originates in the macro `cwl_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] document.head().expect("getting `window.document.head`"); let body = & [INFO] [stdout] error[E0425]: cannot find value `CLASSES` in this scope [INFO] [stdout] --> tests/stackoverflow.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | cwl_header!(); [INFO] [stdout] | ^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `cwl_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] document.body().expect("getting `window.document.body`"); [INFO] [stdout] error[E0425]: cannot find value `CLASSES` in this scope [INFO] [stdout] --> tests/basics.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | cwl_header!(); [INFO] [stdout] | ^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `cwl_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] { [INFO] [stdout] error[E0425]: cannot find value `CLASSES` in this scope [INFO] [stdout] --> tests/basics.rs:28:2 [INFO] [stdout] | [INFO] [stdout] 28 | / cwl_document! { [INFO] [stdout] 29 | | title: "test"; [INFO] [stdout] 30 | | .thingy {} [INFO] [stdout] 31 | | thingy {} [INFO] [stdout] 32 | | } [INFO] [stdout] | |_____^ not found in this scope [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `cwl_document` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] let style = document.create_element("style").unwrap().dyn_into :: < [INFO] [stdout] error[E0425]: cannot find value `CLASSES` in this scope [INFO] [stdout] --> tests/basics.rs:37:2 [INFO] [stdout] | [INFO] [stdout] 37 | / cwl_document! { [INFO] [stdout] 38 | | title: "test"; [INFO] [stdout] 39 | | thingy {} [INFO] [stdout] 40 | | .thingy {} [INFO] [stdout] 41 | | } [INFO] [stdout] | |_____^ not found in this scope [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `cwl_document` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] HtmlElement > ().unwrap(); [INFO] [stderr] style.set_inner_text("body{margin:0}a{display:block}"); [INFO] [stderr] head.append_child(& style).unwrap(); let content = [INFO] [stderr] document.create_element("div").unwrap(); [INFO] [stderr] body.prepend_with_node_1(& content).unwrap(); [INFO] [stderr] content.set_outer_html("