[INFO] cloning repository https://github.com/wearegay/mucc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wearegay/mucc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwearegay%2Fmucc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwearegay%2Fmucc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 346c4a99f0ce5a1ce85bf844a2a5e9ea641774e2 [INFO] checking wearegay/mucc against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwearegay%2Fmucc" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/wearegay/mucc [INFO] finished tweaking git repo https://github.com/wearegay/mucc [INFO] tweaked toml for git repo https://github.com/wearegay/mucc written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/wearegay/mucc on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/wearegay/mucc 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 02a2f9cf1e72980483d4e704333e8e9ad579043c829a012597e072ece3296cfc [INFO] running `Command { std: "docker" "start" "-a" "02a2f9cf1e72980483d4e704333e8e9ad579043c829a012597e072ece3296cfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "02a2f9cf1e72980483d4e704333e8e9ad579043c829a012597e072ece3296cfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02a2f9cf1e72980483d4e704333e8e9ad579043c829a012597e072ece3296cfc", kill_on_drop: false }` [INFO] [stdout] 02a2f9cf1e72980483d4e704333e8e9ad579043c829a012597e072ece3296cfc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dbec72694e9720364c205bf248c16ef9f1fc4e440b48687abb51afa90cfdbf55 [INFO] running `Command { std: "docker" "start" "-a" "dbec72694e9720364c205bf248c16ef9f1fc4e440b48687abb51afa90cfdbf55", kill_on_drop: false }` [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking μcc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the usage of Script Group `Greek` in this crate consists solely of mixed script confusables [INFO] [stdout] --> src/parse/rules.rs:39:30 [INFO] [stdout] | [INFO] [stdout] 39 | (@replacement $parens:tt ε $($tail:tt)*) => { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: the usage includes 'ε' (U+03B5) [INFO] [stdout] = note: please recheck to make sure their usages are indeed what you want [INFO] [stdout] = note: `#[warn(mixed_script_confusables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/main.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | #[cfg(not(fuzzing))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/main.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | #[cfg(not(fuzzing))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/main.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | #[cfg(not(fuzzing))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/main.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | #[cfg(fuzzing)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/main.rs:22:11 [INFO] [stdout] | [INFO] [stdout] 22 | #[cfg(not(fuzzing))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/main.rs:44:7 [INFO] [stdout] | [INFO] [stdout] 44 | #[cfg(fuzzing)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `collect` found for struct `Flatten` in the current scope [INFO] [stdout] --> src/parse/parser.rs:163:26 [INFO] [stdout] | [INFO] [stdout] 151 | / matched_rules [INFO] [stdout] 152 | | .iter() [INFO] [stdout] | | ------ method `collect` is available on `std::slice::Iter<'_, &[RuleType]>` [INFO] [stdout] 153 | | .map(|rule| RuleState { [INFO] [stdout] | | __________________________- [INFO] [stdout] 154 | || rule, [INFO] [stdout] 155 | || parent: Some(self_rc.clone()), [INFO] [stdout] 156 | || self_node: Rc::new(ParseNode { [INFO] [stdout] ... || [INFO] [stdout] 159 | || }), [INFO] [stdout] 160 | || }) [INFO] [stdout] | ||__________________________- method `collect` is available on `Map, {closure@src/parse/parser.rs:153:30: 153:36}>` [INFO] [stdout] 161 | | .map(|rule_state| rule_state.move_forward(rules)) [INFO] [stdout] | | ------------------------------------------------ method `collect` is available on `Map, {closure@src/parse/parser.rs:153:30: 153:36}>, {closure@src/parse/parser.rs:161:30: 161:42}>` [INFO] [stdout] 162 | | .flatten() [INFO] [stdout] 163 | | .collect() [INFO] [stdout] | | -^^^^^^^ method not found in `Flatten, {closure@...}>, ...>>` [INFO] [stdout] | |__________________________| [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/μcc-c0f1b7cb231b254d.long-type-4424502177963953991.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the usage of Script Group `Greek` in this crate consists solely of mixed script confusables [INFO] [stdout] --> src/parse/rules.rs:39:30 [INFO] [stdout] | [INFO] [stdout] 39 | (@replacement $parens:tt ε $($tail:tt)*) => { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: the usage includes 'ε' (U+03B5) [INFO] [stdout] = note: please recheck to make sure their usages are indeed what you want [INFO] [stdout] = note: `#[warn(mixed_script_confusables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/main.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | #[cfg(not(fuzzing))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/main.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | #[cfg(not(fuzzing))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/main.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | #[cfg(not(fuzzing))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/main.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | #[cfg(fuzzing)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/main.rs:22:11 [INFO] [stdout] | [INFO] [stdout] 22 | #[cfg(not(fuzzing))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/main.rs:44:7 [INFO] [stdout] | [INFO] [stdout] 44 | #[cfg(fuzzing)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `collect` found for struct `Flatten` in the current scope [INFO] [stdout] --> src/parse/parser.rs:163:26 [INFO] [stdout] | [INFO] [stdout] 151 | / matched_rules [INFO] [stdout] 152 | | .iter() [INFO] [stdout] | | ------ method `collect` is available on `std::slice::Iter<'_, &[RuleType]>` [INFO] [stdout] 153 | | .map(|rule| RuleState { [INFO] [stdout] | | __________________________- [INFO] [stdout] 154 | || rule, [INFO] [stdout] 155 | || parent: Some(self_rc.clone()), [INFO] [stdout] 156 | || self_node: Rc::new(ParseNode { [INFO] [stdout] ... || [INFO] [stdout] 159 | || }), [INFO] [stdout] 160 | || }) [INFO] [stdout] | ||__________________________- method `collect` is available on `Map, {closure@src/parse/parser.rs:153:30: 153:36}>` [INFO] [stdout] 161 | | .map(|rule_state| rule_state.move_forward(rules)) [INFO] [stdout] | | ------------------------------------------------ method `collect` is available on `Map, {closure@src/parse/parser.rs:153:30: 153:36}>, {closure@src/parse/parser.rs:161:30: 161:42}>` [INFO] [stdout] 162 | | .flatten() [INFO] [stdout] 163 | | .collect() [INFO] [stdout] | | -^^^^^^^ method not found in `Flatten, {closure@...}>, ...>>` [INFO] [stdout] | |__________________________| [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/μcc-fe5f7d0584e88df9.long-type-6711146639475903862.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `μcc` (bin "μcc" test) due to 1 previous error; 7 warnings emitted [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `μcc` (bin "μcc") due to 1 previous error; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "dbec72694e9720364c205bf248c16ef9f1fc4e440b48687abb51afa90cfdbf55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbec72694e9720364c205bf248c16ef9f1fc4e440b48687abb51afa90cfdbf55", kill_on_drop: false }` [INFO] [stdout] dbec72694e9720364c205bf248c16ef9f1fc4e440b48687abb51afa90cfdbf55