[INFO] cloning repository https://github.com/ClementNerma/Peggy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ClementNerma/Peggy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClementNerma%2FPeggy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClementNerma%2FPeggy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c6dcafde6fee3ddb449571f0e7feb8c66029997
[INFO] checking ClementNerma/Peggy against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClementNerma%2FPeggy" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ClementNerma/Peggy
[INFO] finished tweaking git repo https://github.com/ClementNerma/Peggy
[INFO] tweaked toml for git repo https://github.com/ClementNerma/Peggy written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ClementNerma/Peggy on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ClementNerma/Peggy 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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7a5577a3cc6950a14ba5dcf958f8202bb0f0702a316460b4461426a42e44a00
[INFO] running `Command { std: "docker" "start" "-a" "c7a5577a3cc6950a14ba5dcf958f8202bb0f0702a316460b4461426a42e44a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7a5577a3cc6950a14ba5dcf958f8202bb0f0702a316460b4461426a42e44a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a5577a3cc6950a14ba5dcf958f8202bb0f0702a316460b4461426a42e44a00", kill_on_drop: false }`
[INFO] [stdout] c7a5577a3cc6950a14ba5dcf958f8202bb0f0702a316460b4461426a42e44a00
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e9be4e66f1ae983d9d5998f7b6b1c501dabd76c1bbdf62a6523da51d1423689
[INFO] running `Command { std: "docker" "start" "-a" "7e9be4e66f1ae983d9d5998f7b6b1c501dabd76c1bbdf62a6523da51d1423689", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking peggy v0.7.0 (/opt/rustwide/workdir/peggy)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> peggy/src/grammar/parser.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn parse_peg(grammar: &str) -> Result<PegSyntaxTree, ParserError> {
[INFO] [stdout]   |                           ^^^^            ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]   |                           |
[INFO] [stdout]   |                           this lifetime flows to the output
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn parse_peg(grammar: &str) -> Result<PegSyntaxTree<'_>, ParserError> {
[INFO] [stdout]   |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> peggy/src/grammar/parser.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn parse_peg_nocheck(input: &str) -> Result<PegSyntaxTree, ParserError> {
[INFO] [stdout]    |                                 ^^^^            ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn parse_peg_nocheck(input: &str) -> Result<PegSyntaxTree<'_>, ParserError> {
[INFO] [stdout]    |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> peggy/src/grammar/parser.rs:190:34
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn parse_rule_pattern(input: &str, base_loc: ParserLoc) -> Result<Pattern, ParserError> {
[INFO] [stdout]     |                                  ^^^^                                 ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn parse_rule_pattern(input: &str, base_loc: ParserLoc) -> Result<Pattern<'_>, ParserError> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> peggy/src/grammar/parser.rs:313:12
[INFO] [stdout]     |
[INFO] [stdout] 313 |     input: &str,
[INFO] [stdout]     |            ^^^^ this lifetime flows to the output
[INFO] [stdout] 314 |     mut base_loc: ParserLoc,
[INFO] [stdout] 315 | ) -> Result<(Pattern, usize, PatternParserStoppedBecauseOf), ParserError> {
[INFO] [stdout]     |              ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 315 | ) -> Result<(Pattern<'_>, usize, PatternParserStoppedBecauseOf), ParserError> {
[INFO] [stdout]     |                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> peggy/src/grammar/parser.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 370 |     input: &str,
[INFO] [stdout]     |            ^^^^ this lifetime flows to the output
[INFO] [stdout] 371 |     mut base_loc: ParserLoc,
[INFO] [stdout] 372 | ) -> Result<(Pattern, usize), ParserError> {
[INFO] [stdout]     |              ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 372 | ) -> Result<(Pattern<'_>, usize), ParserError> {
[INFO] [stdout]     |                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> peggy/src/grammar/singles.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     input: &str,
[INFO] [stdout]    |            ^^^^ this lifetime flows to the output
[INFO] [stdout] 84 |     base_loc: ParserLoc,
[INFO] [stdout] 85 | ) -> Result<Option<(Rc<Pattern>, usize)>, ParserError> {
[INFO] [stdout]    |                        ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 85 | ) -> Result<Option<(Rc<Pattern<'_>>, usize)>, ParserError> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `peggy::runtime`
[INFO] [stdout]   --> peggy/examples/external_patterns.rs:2:12
[INFO] [stdout]    |
[INFO] [stdout] 2  | use peggy::runtime::{execute, RuntimeContext, RuntimeOptions};
[INFO] [stdout]    |            ^^^^^^^ could not find `runtime` in `peggy`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/peggy/src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub mod runtime;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] note: the item is gated behind the `runtime` feature
[INFO] [stdout]   --> /opt/rustwide/workdir/peggy/src/lib.rs:61:7
[INFO] [stdout]    |
[INFO] [stdout] 61 | #[cfg(feature = "runtime")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `peggy` (example "external_patterns") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> peggy/src/grammar/parser.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn parse_peg(grammar: &str) -> Result<PegSyntaxTree, ParserError> {
[INFO] [stdout]   |                           ^^^^            ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]   |                           |
[INFO] [stdout]   |                           this lifetime flows to the output
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn parse_peg(grammar: &str) -> Result<PegSyntaxTree<'_>, ParserError> {
[INFO] [stdout]   |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> peggy/src/grammar/parser.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn parse_peg_nocheck(input: &str) -> Result<PegSyntaxTree, ParserError> {
[INFO] [stdout]    |                                 ^^^^            ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn parse_peg_nocheck(input: &str) -> Result<PegSyntaxTree<'_>, ParserError> {
[INFO] [stdout]    |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> peggy/src/grammar/parser.rs:190:34
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn parse_rule_pattern(input: &str, base_loc: ParserLoc) -> Result<Pattern, ParserError> {
[INFO] [stdout]     |                                  ^^^^                                 ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn parse_rule_pattern(input: &str, base_loc: ParserLoc) -> Result<Pattern<'_>, ParserError> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> peggy/src/grammar/parser.rs:313:12
[INFO] [stdout]     |
[INFO] [stdout] 313 |     input: &str,
[INFO] [stdout]     |            ^^^^ this lifetime flows to the output
[INFO] [stdout] 314 |     mut base_loc: ParserLoc,
[INFO] [stdout] 315 | ) -> Result<(Pattern, usize, PatternParserStoppedBecauseOf), ParserError> {
[INFO] [stdout]     |              ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 315 | ) -> Result<(Pattern<'_>, usize, PatternParserStoppedBecauseOf), ParserError> {
[INFO] [stdout]     |                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> peggy/src/grammar/parser.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 370 |     input: &str,
[INFO] [stdout]     |            ^^^^ this lifetime flows to the output
[INFO] [stdout] 371 |     mut base_loc: ParserLoc,
[INFO] [stdout] 372 | ) -> Result<(Pattern, usize), ParserError> {
[INFO] [stdout]     |              ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 372 | ) -> Result<(Pattern<'_>, usize), ParserError> {
[INFO] [stdout]     |                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> peggy/src/grammar/singles.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     input: &str,
[INFO] [stdout]    |            ^^^^ this lifetime flows to the output
[INFO] [stdout] 84 |     base_loc: ParserLoc,
[INFO] [stdout] 85 | ) -> Result<Option<(Rc<Pattern>, usize)>, ParserError> {
[INFO] [stdout]    |                        ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 85 | ) -> Result<Option<(Rc<Pattern<'_>>, usize)>, ParserError> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> peggy/src/grammar/parser.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn parse_peg(grammar: &str) -> Result<PegSyntaxTree, ParserError> {
[INFO] [stdout]   |                           ^^^^            ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]   |                           |
[INFO] [stdout]   |                           this lifetime flows to the output
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn parse_peg(grammar: &str) -> Result<PegSyntaxTree<'_>, ParserError> {
[INFO] [stdout]   |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> peggy/src/grammar/parser.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn parse_peg_nocheck(input: &str) -> Result<PegSyntaxTree, ParserError> {
[INFO] [stdout]    |                                 ^^^^            ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn parse_peg_nocheck(input: &str) -> Result<PegSyntaxTree<'_>, ParserError> {
[INFO] [stdout]    |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> peggy/src/grammar/parser.rs:190:34
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn parse_rule_pattern(input: &str, base_loc: ParserLoc) -> Result<Pattern, ParserError> {
[INFO] [stdout]     |                                  ^^^^                                 ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn parse_rule_pattern(input: &str, base_loc: ParserLoc) -> Result<Pattern<'_>, ParserError> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> peggy/src/grammar/parser.rs:313:12
[INFO] [stdout]     |
[INFO] [stdout] 313 |     input: &str,
[INFO] [stdout]     |            ^^^^ this lifetime flows to the output
[INFO] [stdout] 314 |     mut base_loc: ParserLoc,
[INFO] [stdout] 315 | ) -> Result<(Pattern, usize, PatternParserStoppedBecauseOf), ParserError> {
[INFO] [stdout]     |              ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 315 | ) -> Result<(Pattern<'_>, usize, PatternParserStoppedBecauseOf), ParserError> {
[INFO] [stdout]     |                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> peggy/src/grammar/parser.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 370 |     input: &str,
[INFO] [stdout]     |            ^^^^ this lifetime flows to the output
[INFO] [stdout] 371 |     mut base_loc: ParserLoc,
[INFO] [stdout] 372 | ) -> Result<(Pattern, usize), ParserError> {
[INFO] [stdout]     |              ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 372 | ) -> Result<(Pattern<'_>, usize), ParserError> {
[INFO] [stdout]     |                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> peggy/src/grammar/singles.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     input: &str,
[INFO] [stdout]    |            ^^^^ this lifetime flows to the output
[INFO] [stdout] 84 |     base_loc: ParserLoc,
[INFO] [stdout] 85 | ) -> Result<Option<(Rc<Pattern>, usize)>, ParserError> {
[INFO] [stdout]    |                        ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 85 | ) -> Result<Option<(Rc<Pattern<'_>>, usize)>, ParserError> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e9be4e66f1ae983d9d5998f7b6b1c501dabd76c1bbdf62a6523da51d1423689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e9be4e66f1ae983d9d5998f7b6b1c501dabd76c1bbdf62a6523da51d1423689", kill_on_drop: false }`
[INFO] [stdout] 7e9be4e66f1ae983d9d5998f7b6b1c501dabd76c1bbdf62a6523da51d1423689
