[INFO] cloning repository https://github.com/ClementChambard/rust_parser_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ClementChambard/rust_parser_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClementChambard%2Frust_parser_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClementChambard%2Frust_parser_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15aed8bee210742eed2cfe81beec66d1fc6ca976
[INFO] checking ClementChambard/rust_parser_generator against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClementChambard%2Frust_parser_generator" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ClementChambard/rust_parser_generator
[INFO] finished tweaking git repo https://github.com/ClementChambard/rust_parser_generator
[INFO] tweaked toml for git repo https://github.com/ClementChambard/rust_parser_generator written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ClementChambard/rust_parser_generator on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ClementChambard/rust_parser_generator 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 748703698a50246a7ca27d6438b8b43920876d3a4f7389b0bb92fdfb38064f4a
[INFO] running `Command { std: "docker" "start" "748703698a50246a7ca27d6438b8b43920876d3a4f7389b0bb92fdfb38064f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "748703698a50246a7ca27d6438b8b43920876d3a4f7389b0bb92fdfb38064f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "748703698a50246a7ca27d6438b8b43920876d3a4f7389b0bb92fdfb38064f4a" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "748703698a50246a7ca27d6438b8b43920876d3a4f7389b0bb92fdfb38064f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "748703698a50246a7ca27d6438b8b43920876d3a4f7389b0bb92fdfb38064f4a" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling nano_parser_gen_macro v0.2.1 (/opt/rustwide/workdir/nano_parser_gen_macro)
[INFO] [stdout] warning: unused import: `TemplateRule`
[INFO] [stdout]   --> nano_parser_gen_macro/src/grammar/template/mod.rs:45:63
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Template, TemplateArg, TemplateDepend, TemplateParamType, TemplateRule, TemplateRuleItem,
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking nano_parser_gen v0.2.1 (/opt/rustwide/workdir/nano_parser_gen)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> nano_parser_gen/src/lexer/source_file.rs:91:18
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn quote(&self, lines: Range<usize>) -> SourceQuote {
[INFO] [stdout]    |                  ^^^^^                          ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn quote(&self, lines: Range<usize>) -> SourceQuote<'_> {
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> nano_parser_gen/src/lexer/source_file.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn quote_line(&self, line: usize) -> SourceQuote {
[INFO] [stdout]     |                       ^^^^^                  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn quote_line(&self, line: usize) -> SourceQuote<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> nano_parser_gen_macro/src/grammar/template/definition.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |     TArg(usize, TemplateParamType),
[INFO] [stdout]    |     ----        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TemplateArg` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     TArg(usize, TemplateParamType),
[INFO] [stdout] 18 +     TArg(usize, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> nano_parser_gen_macro/src/grammar/template/definition.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     TArg(usize, TemplateParamType),
[INFO] [stdout]    |     ----        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TemplateRuleItem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 41 -     TArg(usize, TemplateParamType),
[INFO] [stdout] 41 +     TArg(usize, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> nano_parser_gen_macro/src/grammar/mod.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |         quote!( &[ #q ] ).into()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> nano_parser_gen_macro/src/grammar/mod.rs:538:9
[INFO] [stdout]     |
[INFO] [stdout] 538 |         quote.into()
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 538 -         quote.into()
[INFO] [stdout] 538 +         quote
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 538 -         quote.into()
[INFO] [stdout] 538 +         <proc_macro2::TokenStream as Into<_>>::into(quote)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Group`
[INFO] [stdout]   --> nano_parser_gen_macro/src/parsing/decls.rs:65:48
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 [proc_macro2::TokenTree::Group(group.into())]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 65 -                 [proc_macro2::TokenTree::Group(group.into())]
[INFO] [stdout] 65 +                 [proc_macro2::TokenTree::Group(group)]
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 65 -                 [proc_macro2::TokenTree::Group(group.into())]
[INFO] [stdout] 65 +                 [proc_macro2::TokenTree::Group(<proc_macro2::Group as Into<_>>::into(group))]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> nano_parser_gen_macro/src/parsing/decls.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 | /                 [proc_macro2::TokenTree::Group(group.into())]
[INFO] [stdout] 66 | |                     .into_iter()
[INFO] [stdout] 67 | |                     .collect::<proc_macro2::TokenStream>()
[INFO] [stdout] 68 | |                     .into(),
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 67 -                     .collect::<proc_macro2::TokenStream>()
[INFO] [stdout] 68 -                     .into(),
[INFO] [stdout] 67 +                     .collect::<proc_macro2::TokenStream>(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 65 ~                 <proc_macro2::TokenStream as Into<_>>::into([proc_macro2::TokenTree::Group(group.into())]
[INFO] [stdout] 66 |                     .into_iter()
[INFO] [stdout] 67 ~                     .collect::<proc_macro2::TokenStream>()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> nano_parser_gen_macro/src/parsing/decls.rs:70:33
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let parsed = parse2(preprocessed_tokens.into())?;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 70 -             let parsed = parse2(preprocessed_tokens.into())?;
[INFO] [stdout] 70 +             let parsed = parse2(preprocessed_tokens)?;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 70 -             let parsed = parse2(preprocessed_tokens.into())?;
[INFO] [stdout] 70 +             let parsed = parse2(<proc_macro2::TokenStream as Into<_>>::into(preprocessed_tokens))?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Group`
[INFO] [stdout]   --> nano_parser_gen_macro/src/parsing/rules.rs:75:48
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 [proc_macro2::TokenTree::Group(group.into())]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 75 -                 [proc_macro2::TokenTree::Group(group.into())]
[INFO] [stdout] 75 +                 [proc_macro2::TokenTree::Group(group)]
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 75 -                 [proc_macro2::TokenTree::Group(group.into())]
[INFO] [stdout] 75 +                 [proc_macro2::TokenTree::Group(<proc_macro2::Group as Into<_>>::into(group))]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> nano_parser_gen_macro/src/parsing/rules.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 | /                 [proc_macro2::TokenTree::Group(group.into())]
[INFO] [stdout] 76 | |                     .into_iter()
[INFO] [stdout] 77 | |                     .collect::<proc_macro2::TokenStream>()
[INFO] [stdout] 78 | |                     .into(),
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 77 -                     .collect::<proc_macro2::TokenStream>()
[INFO] [stdout] 78 -                     .into(),
[INFO] [stdout] 77 +                     .collect::<proc_macro2::TokenStream>(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 75 ~                 <proc_macro2::TokenStream as Into<_>>::into([proc_macro2::TokenTree::Group(group.into())]
[INFO] [stdout] 76 |                     .into_iter()
[INFO] [stdout] 77 ~                     .collect::<proc_macro2::TokenStream>()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> nano_parser_gen_macro/src/parsing/rules.rs:80:33
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let parsed = parse2(preprocessed_tokens.into())?;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 80 -             let parsed = parse2(preprocessed_tokens.into())?;
[INFO] [stdout] 80 +             let parsed = parse2(preprocessed_tokens)?;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 80 -             let parsed = parse2(preprocessed_tokens.into())?;
[INFO] [stdout] 80 +             let parsed = parse2(<proc_macro2::TokenStream as Into<_>>::into(preprocessed_tokens))?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> nano_parser_gen_macro/src/grammar/template/definition.rs:151:11
[INFO] [stdout]     |
[INFO] [stdout] 146 |         &'a self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 147 |         args: Vec<TemplateInstArg>,
[INFO] [stdout] 148 |         templates: &'a [Template],
[INFO] [stdout]     |                     -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 151 |     ) -> (TemplateInstance, Vec<TemplateInstance<'a>>) {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^                       -- the same lifetime is named here
[INFO] [stdout]     |           |
[INFO] [stdout]     |           the same lifetime is hidden 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 `'a`
[INFO] [stdout]     |
[INFO] [stdout] 151 |     ) -> (TemplateInstance<'a>, Vec<TemplateInstance<'a>>) {
[INFO] [stdout]     |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nano_parser_gen_macro` (lib) due to 8 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "748703698a50246a7ca27d6438b8b43920876d3a4f7389b0bb92fdfb38064f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "748703698a50246a7ca27d6438b8b43920876d3a4f7389b0bb92fdfb38064f4a", kill_on_drop: false }`
[INFO] [stdout] 748703698a50246a7ca27d6438b8b43920876d3a4f7389b0bb92fdfb38064f4a
