[INFO] fetching crate syntacks 0.1.0-alpha0.2... [INFO] testing syntacks-0.1.0-alpha0.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate syntacks 0.1.0-alpha0.2 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate syntacks 0.1.0-alpha0.2 [INFO] finished tweaking crates.io crate syntacks 0.1.0-alpha0.2 [INFO] tweaked toml for crates.io crate syntacks 0.1.0-alpha0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate syntacks 0.1.0-alpha0.2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 22 packages to latest compatible versions [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] edf29e4f9b36d2642a060d49613c0cf2340abc0cf650623b896876cad8ae2a3e [INFO] running `Command { std: "docker" "start" "-a" "edf29e4f9b36d2642a060d49613c0cf2340abc0cf650623b896876cad8ae2a3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "edf29e4f9b36d2642a060d49613c0cf2340abc0cf650623b896876cad8ae2a3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edf29e4f9b36d2642a060d49613c0cf2340abc0cf650623b896876cad8ae2a3e", kill_on_drop: false }` [INFO] [stdout] edf29e4f9b36d2642a060d49613c0cf2340abc0cf650623b896876cad8ae2a3e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 000f4d24c717148cb334ebea478cad142ee9e5977299d0ff91796fbaa8c11a59 [INFO] running `Command { std: "docker" "start" "-a" "000f4d24c717148cb334ebea478cad142ee9e5977299d0ff91796fbaa8c11a59", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling async-stream-impl v0.3.6 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling async-stream v0.3.6 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling syntacks v0.1.0-alpha0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `source_span` [INFO] [stdout] --> src/diagnostic.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | Diagnostic::Message { source_span, message } => todo!(), [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `source_span: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/diagnostic.rs:42:39 [INFO] [stdout] | [INFO] [stdout] 42 | Diagnostic::Message { source_span, message } => todo!(), [INFO] [stdout] | ^^^^^^^ help: try ignoring the field: `message: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source_span` [INFO] [stdout] --> src/diagnostic.rs:43:24 [INFO] [stdout] | [INFO] [stdout] 43 | Diagnostic::Error { source_span, error } => write!(f, "{}", error), [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `source_span: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/source_span.rs:62:38 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn as_str(&'src self) -> Result<&str, Utf8Error> { [INFO] [stdout] | ---- ^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'src` [INFO] [stdout] | [INFO] [stdout] 62 | pub fn as_str(&'src self) -> Result<&'src str, Utf8Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.17s [INFO] running `Command { std: "docker" "inspect" "000f4d24c717148cb334ebea478cad142ee9e5977299d0ff91796fbaa8c11a59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "000f4d24c717148cb334ebea478cad142ee9e5977299d0ff91796fbaa8c11a59", kill_on_drop: false }` [INFO] [stdout] 000f4d24c717148cb334ebea478cad142ee9e5977299d0ff91796fbaa8c11a59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6aeaf28f9af6e1bb73b61642444354954f4c64522e916d374a80c09817f78234 [INFO] running `Command { std: "docker" "start" "-a" "6aeaf28f9af6e1bb73b61642444354954f4c64522e916d374a80c09817f78234", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `source_span` [INFO] [stdout] --> src/diagnostic.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | Diagnostic::Message { source_span, message } => todo!(), [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `source_span: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/diagnostic.rs:42:39 [INFO] [stdout] | [INFO] [stdout] 42 | Diagnostic::Message { source_span, message } => todo!(), [INFO] [stdout] | ^^^^^^^ help: try ignoring the field: `message: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling syntacks v0.1.0-alpha0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `source_span` [INFO] [stdout] --> src/diagnostic.rs:43:24 [INFO] [stdout] | [INFO] [stdout] 43 | Diagnostic::Error { source_span, error } => write!(f, "{}", error), [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `source_span: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/source_span.rs:62:38 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn as_str(&'src self) -> Result<&str, Utf8Error> { [INFO] [stdout] | ---- ^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'src` [INFO] [stdout] | [INFO] [stdout] 62 | pub fn as_str(&'src self) -> Result<&'src str, Utf8Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source_span` [INFO] [stdout] --> src/diagnostic.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | Diagnostic::Message { source_span, message } => todo!(), [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `source_span: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/diagnostic.rs:42:39 [INFO] [stdout] | [INFO] [stdout] 42 | Diagnostic::Message { source_span, message } => todo!(), [INFO] [stdout] | ^^^^^^^ help: try ignoring the field: `message: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source_span` [INFO] [stdout] --> src/diagnostic.rs:43:24 [INFO] [stdout] | [INFO] [stdout] 43 | Diagnostic::Error { source_span, error } => write!(f, "{}", error), [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `source_span: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/source_span.rs:62:38 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn as_str(&'src self) -> Result<&str, Utf8Error> { [INFO] [stdout] | ---- ^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'src` [INFO] [stdout] | [INFO] [stdout] 62 | pub fn as_str(&'src self) -> Result<&'src str, Utf8Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s [INFO] running `Command { std: "docker" "inspect" "6aeaf28f9af6e1bb73b61642444354954f4c64522e916d374a80c09817f78234", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6aeaf28f9af6e1bb73b61642444354954f4c64522e916d374a80c09817f78234", kill_on_drop: false }` [INFO] [stdout] 6aeaf28f9af6e1bb73b61642444354954f4c64522e916d374a80c09817f78234 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2367910d57090ab0a3072f3f4e10987529eb2dda1bac0834f7feaec64f028281 [INFO] running `Command { std: "docker" "start" "-a" "2367910d57090ab0a3072f3f4e10987529eb2dda1bac0834f7feaec64f028281", kill_on_drop: false }` [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test source_span::test::add_source_span ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] warning: unused variable: `source_span` [INFO] [stderr] --> src/diagnostic.rs:42:26 [INFO] [stderr] | [INFO] [stderr] 42 | Diagnostic::Message { source_span, message } => todo!(), [INFO] [stderr] | ^^^^^^^^^^^ help: try ignoring the field: `source_span: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `message` [INFO] [stderr] --> src/diagnostic.rs:42:39 [INFO] [stderr] | [INFO] [stderr] 42 | Diagnostic::Message { source_span, message } => todo!(), [INFO] [stderr] | ^^^^^^^ help: try ignoring the field: `message: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source_span` [INFO] [stderr] --> src/diagnostic.rs:43:24 [INFO] [stderr] | [INFO] [stderr] 43 | Diagnostic::Error { source_span, error } => write!(f, "{}", error), [INFO] [stderr] | ^^^^^^^^^^^ help: try ignoring the field: `source_span: _` [INFO] [stderr] [INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/source_span.rs:62:38 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn as_str(&'src self) -> Result<&str, Utf8Error> { [INFO] [stderr] | ---- ^^^^ the same lifetime is elided here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is named here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: consistently use `'src` [INFO] [stderr] | [INFO] [stderr] 62 | pub fn as_str(&'src self) -> Result<&'src str, Utf8Error> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `syntacks` (lib) generated 4 warnings (run `cargo fix --lib -p syntacks` to apply 1 suggestion) [INFO] [stderr] warning: `syntacks` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syntacks-5d118ecb5b8094f3) [INFO] [stderr] Doc-tests syntacks [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" "2367910d57090ab0a3072f3f4e10987529eb2dda1bac0834f7feaec64f028281", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2367910d57090ab0a3072f3f4e10987529eb2dda1bac0834f7feaec64f028281", kill_on_drop: false }` [INFO] [stdout] 2367910d57090ab0a3072f3f4e10987529eb2dda1bac0834f7feaec64f028281