[INFO] fetching crate tree-sitter-dart 0.0.4...
[INFO] building tree-sitter-dart-0.0.4 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate tree-sitter-dart 0.0.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tree-sitter-dart 0.0.4
[INFO] finished tweaking crates.io crate tree-sitter-dart 0.0.4
[INFO] tweaked toml for crates.io crate tree-sitter-dart 0.0.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree-sitter-dart 0.0.4 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e80baaf84d668ca8ae4a0e74e5b2df27dd8d15dc7c7c52eb97d0aeaa7ffe049
[INFO] running `Command { std: "docker" "start" "-a" "5e80baaf84d668ca8ae4a0e74e5b2df27dd8d15dc7c7c52eb97d0aeaa7ffe049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e80baaf84d668ca8ae4a0e74e5b2df27dd8d15dc7c7c52eb97d0aeaa7ffe049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e80baaf84d668ca8ae4a0e74e5b2df27dd8d15dc7c7c52eb97d0aeaa7ffe049", kill_on_drop: false }`
[INFO] [stdout] 5e80baaf84d668ca8ae4a0e74e5b2df27dd8d15dc7c7c52eb97d0aeaa7ffe049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f282aac55d209523b291f41d30d41ecfd3282635c3e18c12a16b7d78c1c51ca
[INFO] running `Command { std: "docker" "start" "-a" "5f282aac55d209523b291f41d30d41ecfd3282635c3e18c12a16b7d78c1c51ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling tree-sitter-language v0.1.5
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling tree-sitter-dart v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling tree-sitter v0.25.10
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr] warning: tree-sitter-dart@0.0.4: src/scanner.c:21:13: warning: 'skip' defined but not used [-Wunused-function]
[INFO] [stderr] warning: tree-sitter-dart@0.0.4:    21 | static void skip(TSLexer *lexer) { lexer->advance(lexer, true); }
[INFO] [stderr] warning: tree-sitter-dart@0.0.4:       |             ^~~~
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.88s
[INFO] running `Command { std: "docker" "inspect" "5f282aac55d209523b291f41d30d41ecfd3282635c3e18c12a16b7d78c1c51ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f282aac55d209523b291f41d30d41ecfd3282635c3e18c12a16b7d78c1c51ca", kill_on_drop: false }`
[INFO] [stdout] 5f282aac55d209523b291f41d30d41ecfd3282635c3e18c12a16b7d78c1c51ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec531f6422533d8976ee9ea349728e5ef7c511488790435a4bf730cec53279ad
[INFO] running `Command { std: "docker" "start" "-a" "ec531f6422533d8976ee9ea349728e5ef7c511488790435a4bf730cec53279ad", kill_on_drop: false }`
[INFO] [stderr] warning: tree-sitter-dart@0.0.4: src/scanner.c:21:13: warning: 'skip' defined but not used [-Wunused-function]
[INFO] [stderr] warning: tree-sitter-dart@0.0.4:    21 | static void skip(TSLexer *lexer) { lexer->advance(lexer, true); }
[INFO] [stderr] warning: tree-sitter-dart@0.0.4:       |             ^~~~
[INFO] [stderr]    Compiling tree-sitter-dart v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> bindings/rust/lib.rs:49:27
[INFO] [stdout]     |
[INFO] [stdout]  49 |             .set_language(super::language())
[INFO] [stdout]     |              ------------ ^^^^^^^^^^^^^^^^^ expected `&Language`, found `Language`
[INFO] [stdout]     |              |
[INFO] [stdout]     |              arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tree-sitter-0.25.10/binding_rust/lib.rs:666:12
[INFO] [stdout]     |
[INFO] [stdout] 666 |     pub fn set_language(&mut self, language: &Language) -> Result<(), LanguageError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout]  49 |             .set_language(&super::language())
[INFO] [stdout]     |                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] warning: tree-sitter-dart@0.0.4: src/scanner.c:21:13: warning: 'skip' defined but not used [-Wunused-function]
[INFO] [stderr] warning: tree-sitter-dart@0.0.4:    21 | static void skip(TSLexer *lexer) { lexer->advance(lexer, true); }
[INFO] [stderr] warning: tree-sitter-dart@0.0.4:       |             ^~~~
[INFO] [stderr] error: could not compile `tree-sitter-dart` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ec531f6422533d8976ee9ea349728e5ef7c511488790435a4bf730cec53279ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec531f6422533d8976ee9ea349728e5ef7c511488790435a4bf730cec53279ad", kill_on_drop: false }`
[INFO] [stdout] ec531f6422533d8976ee9ea349728e5ef7c511488790435a4bf730cec53279ad