[INFO] fetching crate csskit_highlight 0.0.21-canary.3b8c076166...
[INFO] testing csskit_highlight-0.0.21-canary.3b8c076166 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate csskit_highlight 0.0.21-canary.3b8c076166 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate csskit_highlight 0.0.21-canary.3b8c076166
[INFO] finished tweaking crates.io crate csskit_highlight 0.0.21-canary.3b8c076166
[INFO] tweaked toml for crates.io crate csskit_highlight 0.0.21-canary.3b8c076166 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate csskit_highlight 0.0.21-canary.3b8c076166 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] crate crates.io crate csskit_highlight 0.0.21-canary.3b8c076166 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 486e828d1351e4d17fab04e2cddea12015ab846328291470256d80ebdaeff972
[INFO] running `Command { std: "docker" "start" "-a" "486e828d1351e4d17fab04e2cddea12015ab846328291470256d80ebdaeff972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "486e828d1351e4d17fab04e2cddea12015ab846328291470256d80ebdaeff972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486e828d1351e4d17fab04e2cddea12015ab846328291470256d80ebdaeff972", kill_on_drop: false }`
[INFO] [stdout] 486e828d1351e4d17fab04e2cddea12015ab846328291470256d80ebdaeff972
[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] c4292f65c5734eba285c6a8763190ed4174011b47d356c07d3a2cc37cb56af2e
[INFO] running `Command { std: "docker" "start" "-a" "c4292f65c5734eba285c6a8763190ed4174011b47d356c07d3a2cc37cb56af2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling winnow v1.0.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling grep-matcher v0.1.8
[INFO] [stderr]    Compiling toml_writer v1.0.7+spec-1.1.0
[INFO] [stderr]    Compiling chromashift v0.0.21-canary.fc80f623b7
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling bumpalo v3.19.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling toml_parser v1.0.10+spec-1.1.0
[INFO] [stderr]    Compiling memmap2 v0.9.8
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling serde_spanned v1.0.4
[INFO] [stderr]    Compiling toml_datetime v1.0.1+spec-1.1.0
[INFO] [stderr]    Compiling toml v1.0.7+spec-1.1.0
[INFO] [stderr]    Compiling bitmask-enum v2.2.5
[INFO] [stderr]    Compiling derive_atom_set v0.0.21-canary.fc80f623b7
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling csskit_derives v0.0.21-canary.fc80f623b7
[INFO] [stderr]    Compiling css_lexer v0.0.21-canary.fc80f623b7
[INFO] [stderr]    Compiling miette v7.6.0
[INFO] [stderr]    Compiling css_parse v0.0.21-canary.fc80f623b7
[INFO] [stderr]    Compiling css_value_definition_parser v0.0.21-canary.fc80f623b7
[INFO] [stderr]    Compiling csskit_proc_macro v0.0.21-canary.fc80f623b7
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling strum v0.27.2
[INFO] [stderr]    Compiling grep-searcher v0.1.16
[INFO] [stderr]    Compiling grep-regex v0.1.14
[INFO] [stderr]    Compiling csskit_source_finder v0.0.21-canary.fc80f623b7
[INFO] [stderr]    Compiling css_ast v0.0.21-canary.fc80f623b7
[INFO] [stderr]    Compiling csskit_highlight v0.0.21-canary.3b8c076166 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "c4292f65c5734eba285c6a8763190ed4174011b47d356c07d3a2cc37cb56af2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4292f65c5734eba285c6a8763190ed4174011b47d356c07d3a2cc37cb56af2e", kill_on_drop: false }`
[INFO] [stdout] c4292f65c5734eba285c6a8763190ed4174011b47d356c07d3a2cc37cb56af2e
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e719ca98ba6a1f67702987c026d1189b9fe5feb099e7b2c57fd97b94fdac8ddd
[INFO] running `Command { std: "docker" "start" "-a" "e719ca98ba6a1f67702987c026d1189b9fe5feb099e7b2c57fd97b94fdac8ddd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling similar v3.0.0
[INFO] [stderr]    Compiling memmap2 v0.9.8
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling console v0.16.3
[INFO] [stderr]    Compiling grep-searcher v0.1.16
[INFO] [stderr]    Compiling csskit_source_finder v0.0.21-canary.fc80f623b7
[INFO] [stderr]    Compiling css_ast v0.0.21-canary.fc80f623b7
[INFO] [stderr]    Compiling tempfile v3.21.0
[INFO] [stderr]    Compiling insta v1.46.3
[INFO] [stderr]    Compiling csskit_highlight v0.0.21-canary.3b8c076166 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 59.16s
[INFO] running `Command { std: "docker" "inspect" "e719ca98ba6a1f67702987c026d1189b9fe5feb099e7b2c57fd97b94fdac8ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e719ca98ba6a1f67702987c026d1189b9fe5feb099e7b2c57fd97b94fdac8ddd", kill_on_drop: false }`
[INFO] [stdout] e719ca98ba6a1f67702987c026d1189b9fe5feb099e7b2c57fd97b94fdac8ddd
[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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4361f530e40c975ffee84ff305b4a821ad03248e6cc57d81bb8c7d5d0d3b5f44
[INFO] running `Command { std: "docker" "start" "-a" "4361f530e40c975ffee84ff305b4a821ad03248e6cc57d81bb8c7d5d0d3b5f44", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/csskit_highlight-544bc844aab6e150)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr] Snapshot test passes but the existing value is in a legacy format. Please run `cargo insta test --force-update-snapshots` to update to a newer format. Snapshot contents:
[INFO] [stderr] <!DOCTYPE html>
[INFO] [stderr] <head>
[INFO] [stderr] 	<style>
[INFO] [stderr] 		:root { background: #22272E; color: hotpink }
[INFO] [stderr] 		.Tag { color: #8ddb8c }
[INFO] [stderr] 		.Punctuation { color: #d1d7e0 }
[INFO] [stderr] 		.Property { color: #6cb6ff }
[INFO] [stderr] 		.PseudoClass { color: #6cb6ff }
[INFO] [stderr] 
[INFO] [stderr] 		.unknown { color: grey }
[INFO] [stderr] 		.deprecated { text-decoration: line-through }
[INFO] [stderr] 		.experimental { text-decoration: wavy underline #bf4b8a 0.5px }
[INFO] [stderr] 	</style>
[INFO] [stderr] </head>
[INFO] [stderr] <body>
[INFO] [stderr] 	<pre>
[INFO] [stderr] 		<code>
[INFO] [stderr] 			<span class="Tag">body</span>,<span class="Tag">dialog</span>,<span class="Tag unknown">madeup</span>,<span class="Tag deprecated">marquee</span>,<span class="Tag experimental vendor">portal</span>,<span class="Tag custom">custom-element</span><span class="Punctuation">{</span><span class="Punctuation">}</span>
[INFO] [stderr] 		</code>
[INFO] [stderr] 	</pre>
[INFO] [stderr] </body>
[INFO] [stdout] test tests::test_tags ... ok
[INFO] [stderr] Snapshot test passes but the existing value is in a legacy format. Please run `cargo insta test --force-update-snapshots` to update to a newer format. Snapshot contents:
[INFO] [stdout] test tests::test_basic ... ok
[INFO] [stderr] <!DOCTYPE html>
[INFO] [stdout] test tests::test_pseudo_classes ... ok
[INFO] [stderr] <head>
[INFO] [stdout] test tests::test_nesting ... ok
[INFO] [stderr] 	<style>
[INFO] [stdout] 
[INFO] [stderr] 		:root { background: #22272E; color: hotpink }
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stderr] 		.Tag { color: #8ddb8c }
[INFO] [stdout] 
[INFO] [stderr] 		.Punctuation { color: #d1d7e0 }
[INFO] [stderr] 		.Property { color: #6cb6ff }
[INFO] [stderr] 		.PseudoClass { color: #6cb6ff }
[INFO] [stderr] 
[INFO] [stderr] 		.unknown { color: grey }
[INFO] [stderr] 		.deprecated { text-decoration: line-through }
[INFO] [stderr] 		.experimental { text-decoration: wavy underline #bf4b8a 0.5px }
[INFO] [stderr] 	</style>
[INFO] [stderr] </head>
[INFO] [stderr] <body>
[INFO] [stderr] 	<pre>
[INFO] [stderr] 		<code>
[INFO] [stderr] 			<span class="Tag">body</span><span class="Punctuation">{</span><span class="Declaration">appearance</span><span class="Punctuation">:</span>initial;<span class="Declaration">color</span><span class="Punctuation">:</span><span class="StyleValueColor">blue</span>;<span class="Declaration unknown">will-ever-exist</span><span class="Punctuation">:</span> foo;<span class="Punctuation">}</span>
[INFO] [stderr] 		</code>
[INFO] [stderr] 	</pre>
[INFO] [stderr] </body>
[INFO] [stderr] Snapshot test passes but the existing value is in a legacy format. Please run `cargo insta test --force-update-snapshots` to update to a newer format. Snapshot contents:
[INFO] [stderr] <!DOCTYPE html>
[INFO] [stderr] <head>
[INFO] [stderr] 	<style>
[INFO] [stderr] 		:root { background: #22272E; color: hotpink }
[INFO] [stderr] 		.Tag { color: #8ddb8c }
[INFO] [stderr] 		.Punctuation { color: #d1d7e0 }
[INFO] [stderr] 		.Property { color: #6cb6ff }
[INFO] [stderr] 		.PseudoClass { color: #6cb6ff }
[INFO] [stderr] 
[INFO] [stderr] 		.unknown { color: grey }
[INFO] [stderr] 		.deprecated { text-decoration: line-through }
[INFO] [stderr] 		.experimental { text-decoration: wavy underline #bf4b8a 0.5px }
[INFO] [stderr] 	</style>
[INFO] [stderr] </head>
[INFO] [stderr] <body>
[INFO] [stderr] 	<pre>
[INFO] [stderr] 		<code>
[INFO] [stderr] 			<span class="Tag">body</span>:focus,<span class="Tag">dialog</span>:modal<span class="Punctuation">{</span><span class="Punctuation">}</span>
[INFO] [stderr] 		</code>
[INFO] [stderr] 	</pre>
[INFO] [stderr] </body>
[INFO] [stderr] Snapshot test passes but the existing value is in a legacy format. Please run `cargo insta test --force-update-snapshots` to update to a newer format. Snapshot contents:
[INFO] [stderr] <!DOCTYPE html>
[INFO] [stderr] <head>
[INFO] [stderr] 	<style>
[INFO] [stderr] 		:root { background: #22272E; color: hotpink }
[INFO] [stderr] 		.Tag { color: #8ddb8c }
[INFO] [stderr] 		.Punctuation { color: #d1d7e0 }
[INFO] [stderr] 		.Property { color: #6cb6ff }
[INFO] [stderr] 		.PseudoClass { color: #6cb6ff }
[INFO] [stderr] 
[INFO] [stderr] 		.unknown { color: grey }
[INFO] [stderr] 		.deprecated { text-decoration: line-through }
[INFO] [stderr] 		.experimental { text-decoration: wavy underline #bf4b8a 0.5px }
[INFO] [stderr] 	</style>
[INFO] [stderr] </head>
[INFO] [stderr] <body>
[INFO] [stderr] 	<pre>
[INFO] [stderr] 		<code>
[INFO] [stderr] 			<span class="Tag">body</span><span class="Punctuation">{</span><span class="Tag">main</span><span class="Punctuation">{</span><span class="Tag">dialog</span><span class="Punctuation">{</span><span class="Tag">input</span><span class="Punctuation">{</span><span class="Punctuation">}</span><span class="Punctuation">}</span><span class="Punctuation">}</span><span class="Punctuation">}</span>
[INFO] [stderr] 		</code>
[INFO] [stderr] 	</pre>
[INFO] [stderr] </body>
[INFO] [stderr]    Doc-tests csskit_highlight
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4361f530e40c975ffee84ff305b4a821ad03248e6cc57d81bb8c7d5d0d3b5f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4361f530e40c975ffee84ff305b4a821ad03248e6cc57d81bb8c7d5d0d3b5f44", kill_on_drop: false }`
[INFO] [stdout] 4361f530e40c975ffee84ff305b4a821ad03248e6cc57d81bb8c7d5d0d3b5f44