[INFO] fetching crate devgen-tree-sitter-swift 0.21.0...
[INFO] testing devgen-tree-sitter-swift-0.21.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate devgen-tree-sitter-swift 0.21.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate devgen-tree-sitter-swift 0.21.0
[INFO] finished tweaking crates.io crate devgen-tree-sitter-swift 0.21.0
[INFO] tweaked toml for crates.io crate devgen-tree-sitter-swift 0.21.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate devgen-tree-sitter-swift 0.21.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding tree-sitter v0.21.0 (available: v0.25.10)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6133cb1165f8d9c03a963e91c8ef98719aad3741e7d614da38436f2c3122f74
[INFO] running `Command { std: "docker" "start" "-a" "f6133cb1165f8d9c03a963e91c8ef98719aad3741e7d614da38436f2c3122f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6133cb1165f8d9c03a963e91c8ef98719aad3741e7d614da38436f2c3122f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6133cb1165f8d9c03a963e91c8ef98719aad3741e7d614da38436f2c3122f74", kill_on_drop: false }`
[INFO] [stdout] f6133cb1165f8d9c03a963e91c8ef98719aad3741e7d614da38436f2c3122f74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b30eb2e8b393b5ac65a40fe2640ed2855644da8b0729c4415475b8c1b737981f
[INFO] running `Command { std: "docker" "start" "-a" "b30eb2e8b393b5ac65a40fe2640ed2855644da8b0729c4415475b8c1b737981f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-sitter v0.21.0
[INFO] [stderr]    Compiling devgen-tree-sitter-swift v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.19s
[INFO] running `Command { std: "docker" "inspect" "b30eb2e8b393b5ac65a40fe2640ed2855644da8b0729c4415475b8c1b737981f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30eb2e8b393b5ac65a40fe2640ed2855644da8b0729c4415475b8c1b737981f", kill_on_drop: false }`
[INFO] [stdout] b30eb2e8b393b5ac65a40fe2640ed2855644da8b0729c4415475b8c1b737981f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f18fde92c7244d917e950a2c922c191292b7788373fb053d5ed52e9913a50c87
[INFO] running `Command { std: "docker" "start" "-a" "f18fde92c7244d917e950a2c922c191292b7788373fb053d5ed52e9913a50c87", kill_on_drop: false }`
[INFO] [stderr]    Compiling devgen-tree-sitter-swift v0.21.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> bindings/rust/lib.rs:50:29
[INFO] [stdout]     |
[INFO] [stdout]  50 |         parser.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-0.21.0/binding_rust/lib.rs:450:12
[INFO] [stdout]     |
[INFO] [stdout] 450 |     pub fn set_language(&mut self, language: &Language) -> Result<(), LanguageError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout]  50 |         parser.set_language(&super::language())?;
[INFO] [stdout]     |                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> bindings/rust/lib.rs:58:29
[INFO] [stdout]     |
[INFO] [stdout]  58 |         parser.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-0.21.0/binding_rust/lib.rs:450:12
[INFO] [stdout]     |
[INFO] [stdout] 450 |     pub fn set_language(&mut self, language: &Language) -> Result<(), LanguageError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout]  58 |         parser.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] error: could not compile `devgen-tree-sitter-swift` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f18fde92c7244d917e950a2c922c191292b7788373fb053d5ed52e9913a50c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18fde92c7244d917e950a2c922c191292b7788373fb053d5ed52e9913a50c87", kill_on_drop: false }`
[INFO] [stdout] f18fde92c7244d917e950a2c922c191292b7788373fb053d5ed52e9913a50c87