[INFO] cloning repository https://github.com/yichaolemon/RegexParser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yichaolemon/RegexParser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyichaolemon%2FRegexParser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyichaolemon%2FRegexParser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9a6bde9e2d3abfc4f79597353a1037b6e9c99c4a [INFO] checking yichaolemon/RegexParser against master#9c3064e131f4939cc95a29bb11413c49bbda1491 for pr-144098 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyichaolemon%2FRegexParser" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/yichaolemon/RegexParser [INFO] finished tweaking git repo https://github.com/yichaolemon/RegexParser [INFO] tweaked toml for git repo https://github.com/yichaolemon/RegexParser written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/yichaolemon/RegexParser on toolchain 9c3064e131f4939cc95a29bb11413c49bbda1491 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/yichaolemon/RegexParser 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" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking yichaolemon/RegexParser against master#9c3064e131f4939cc95a29bb11413c49bbda1491 for pr-144098 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyichaolemon%2FRegexParser" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/yichaolemon/RegexParser [INFO] finished tweaking git repo https://github.com/yichaolemon/RegexParser [INFO] tweaked toml for git repo https://github.com/yichaolemon/RegexParser written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/yichaolemon/RegexParser on toolchain 9c3064e131f4939cc95a29bb11413c49bbda1491 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/yichaolemon/RegexParser 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" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d0a6be7dcac3effa00e9358417ef774a64d862a4332ba5fe18bbd4460e01cf4 [INFO] running `Command { std: "docker" "start" "-a" "3d0a6be7dcac3effa00e9358417ef774a64d862a4332ba5fe18bbd4460e01cf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d0a6be7dcac3effa00e9358417ef774a64d862a4332ba5fe18bbd4460e01cf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d0a6be7dcac3effa00e9358417ef774a64d862a4332ba5fe18bbd4460e01cf4", kill_on_drop: false }` [INFO] [stdout] 3d0a6be7dcac3effa00e9358417ef774a64d862a4332ba5fe18bbd4460e01cf4 [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=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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f140499eab6143828b512eb57f485901398eacc3ead3096f1c3c03c31fc8bf0b [INFO] running `Command { std: "docker" "start" "-a" "f140499eab6143828b512eb57f485901398eacc3ead3096f1c3c03c31fc8bf0b", kill_on_drop: false }` [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking regex_parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `Transition` is never used [INFO] [stdout] --> src/graph.rs:119:11 [INFO] [stdout] | [INFO] [stdout] 119 | pub trait Transition { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `example` is never used [INFO] [stdout] --> src/graph.rs:124:10 [INFO] [stdout] | [INFO] [stdout] 123 | impl Graph { [INFO] [stdout] | --------------------------------------------- method in this implementation [INFO] [stdout] 124 | pub fn example(&self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `is_match` and `debug` are never read [INFO] [stdout] --> src/dfa.rs:233:3 [INFO] [stdout] | [INFO] [stdout] 232 | pub struct Match { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 233 | is_match: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 234 | groups: HashMap, [INFO] [stdout] 235 | debug: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Match` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_to_file` is never used [INFO] [stdout] --> src/dfa.rs:246:6 [INFO] [stdout] | [INFO] [stdout] 244 | pub trait Matcher { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] 245 | fn match_string(&self, s: &str) -> Match; [INFO] [stdout] 246 | fn print_to_file(&self, f: &str); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `example` is never used [INFO] [stdout] --> src/character_class.rs:92:10 [INFO] [stdout] | [INFO] [stdout] 91 | impl CharacterClass { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] 92 | pub fn example(&self) -> char { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:146:27 [INFO] [stdout] | [INFO] [stdout] 146 | fn parse_regex(input_str: &str) -> ParseResult { [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] 146 | fn parse_regex(input_str: &str) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:151:33 [INFO] [stdout] | [INFO] [stdout] 151 | fn parse_alternative(input_str: &str, group: GroupId) -> ParseResult { [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] 151 | fn parse_alternative(input_str: &str, group: GroupId) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:164:28 [INFO] [stdout] | [INFO] [stdout] 164 | fn parse_concat(input_str: &str, group: GroupId) -> ParseResult { [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] 164 | fn parse_concat(input_str: &str, group: GroupId) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:176:33 [INFO] [stdout] | [INFO] [stdout] 176 | fn parse_quantifiers(input_str: &str, group: GroupId) -> ParseResult { [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] 176 | fn parse_quantifiers(input_str: &str, group: GroupId) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:193:26 [INFO] [stdout] | [INFO] [stdout] 193 | fn parse_atom(input_str: &str, group: GroupId) -> ParseResult { [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] 193 | fn parse_atom(input_str: &str, group: GroupId) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:229:37 [INFO] [stdout] | [INFO] [stdout] 229 | fn parse_character_class(input_str: &str, group: GroupId) -> ParseResult { [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] 229 | fn parse_character_class(input_str: &str, group: GroupId) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:258:42 [INFO] [stdout] | [INFO] [stdout] 258 | fn parse_character_class_atom(input_str: &str, group: GroupId) -> ParseResult { [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] 258 | fn parse_character_class_atom(input_str: &str, group: GroupId) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:281:33 [INFO] [stdout] | [INFO] [stdout] 281 | fn parse_single_char(input_str: &str, group: GroupId) -> ParseResult { [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] 281 | fn parse_single_char(input_str: &str, group: GroupId) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/character_class.rs:219:11 [INFO] [stdout] | [INFO] [stdout] 219 | fn iter(&self) -> CharacterClassIterator { [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] 219 | fn iter(&self) -> CharacterClassIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Transition` is never used [INFO] [stdout] --> src/graph.rs:119:11 [INFO] [stdout] | [INFO] [stdout] 119 | pub trait Transition { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `example` is never used [INFO] [stdout] --> src/graph.rs:124:10 [INFO] [stdout] | [INFO] [stdout] 123 | impl Graph { [INFO] [stdout] | --------------------------------------------- method in this implementation [INFO] [stdout] 124 | pub fn example(&self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `debug` is never read [INFO] [stdout] --> src/dfa.rs:235:3 [INFO] [stdout] | [INFO] [stdout] 232 | pub struct Match { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 235 | debug: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Match` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `example` is never used [INFO] [stdout] --> src/character_class.rs:92:10 [INFO] [stdout] | [INFO] [stdout] 91 | impl CharacterClass { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] 92 | pub fn example(&self) -> char { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:146:27 [INFO] [stdout] | [INFO] [stdout] 146 | fn parse_regex(input_str: &str) -> ParseResult { [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] 146 | fn parse_regex(input_str: &str) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:151:33 [INFO] [stdout] | [INFO] [stdout] 151 | fn parse_alternative(input_str: &str, group: GroupId) -> ParseResult { [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] 151 | fn parse_alternative(input_str: &str, group: GroupId) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:164:28 [INFO] [stdout] | [INFO] [stdout] 164 | fn parse_concat(input_str: &str, group: GroupId) -> ParseResult { [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] 164 | fn parse_concat(input_str: &str, group: GroupId) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:176:33 [INFO] [stdout] | [INFO] [stdout] 176 | fn parse_quantifiers(input_str: &str, group: GroupId) -> ParseResult { [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] 176 | fn parse_quantifiers(input_str: &str, group: GroupId) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:193:26 [INFO] [stdout] | [INFO] [stdout] 193 | fn parse_atom(input_str: &str, group: GroupId) -> ParseResult { [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] 193 | fn parse_atom(input_str: &str, group: GroupId) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:229:37 [INFO] [stdout] | [INFO] [stdout] 229 | fn parse_character_class(input_str: &str, group: GroupId) -> ParseResult { [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] 229 | fn parse_character_class(input_str: &str, group: GroupId) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:258:42 [INFO] [stdout] | [INFO] [stdout] 258 | fn parse_character_class_atom(input_str: &str, group: GroupId) -> ParseResult { [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] 258 | fn parse_character_class_atom(input_str: &str, group: GroupId) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:281:33 [INFO] [stdout] | [INFO] [stdout] 281 | fn parse_single_char(input_str: &str, group: GroupId) -> ParseResult { [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] 281 | fn parse_single_char(input_str: &str, group: GroupId) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/character_class.rs:219:11 [INFO] [stdout] | [INFO] [stdout] 219 | fn iter(&self) -> CharacterClassIterator { [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] 219 | fn iter(&self) -> CharacterClassIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "f140499eab6143828b512eb57f485901398eacc3ead3096f1c3c03c31fc8bf0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f140499eab6143828b512eb57f485901398eacc3ead3096f1c3c03c31fc8bf0b", kill_on_drop: false }` [INFO] [stdout] f140499eab6143828b512eb57f485901398eacc3ead3096f1c3c03c31fc8bf0b