[INFO] cloning repository https://github.com/dwinkelman0/generic-regex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwinkelman0/generic-regex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwinkelman0%2Fgeneric-regex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwinkelman0%2Fgeneric-regex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 065dc35e33277e277d98c5557b19110135e5e25a
[INFO] checking dwinkelman0/generic-regex against master#4b9792692fbb675174d4d2082e7c37b2bc930e71 for pr-153692-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwinkelman0%2Fgeneric-regex" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dwinkelman0/generic-regex
[INFO] finished tweaking git repo https://github.com/dwinkelman0/generic-regex
[INFO] tweaked toml for git repo https://github.com/dwinkelman0/generic-regex written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dwinkelman0/generic-regex on toolchain 4b9792692fbb675174d4d2082e7c37b2bc930e71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dwinkelman0/generic-regex 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" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24cc65e9a7a08ac4e4c2b2e4881758e439ac86b658e9f5c04e39011676ec151d
[INFO] running `Command { std: "docker" "start" "-a" "24cc65e9a7a08ac4e4c2b2e4881758e439ac86b658e9f5c04e39011676ec151d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24cc65e9a7a08ac4e4c2b2e4881758e439ac86b658e9f5c04e39011676ec151d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24cc65e9a7a08ac4e4c2b2e4881758e439ac86b658e9f5c04e39011676ec151d", kill_on_drop: false }`
[INFO] [stdout] 24cc65e9a7a08ac4e4c2b2e4881758e439ac86b658e9f5c04e39011676ec151d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71b354e93288949e96d505fff0233256dd884e302294efd8c2314b7df2414b75
[INFO] running `Command { std: "docker" "start" "-a" "71b354e93288949e96d505fff0233256dd884e302294efd8c2314b7df2414b75", kill_on_drop: false }`
[INFO] [stderr]     Checking generic-regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::CoreExpr`
[INFO] [stdout]  --> src/expr/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use core::CoreExpr;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expr::*`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use expr::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::CoreExpr`
[INFO] [stdout]  --> src/expr/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use core::CoreExpr;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expr::*`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use expr::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TerminalMatcher` is never used
[INFO] [stdout]  --> src/expr/core.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait TerminalMatcher: Debug {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CoreExpr` is never used
[INFO] [stdout]   --> src/expr/core.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum CoreExpr<T: TerminalMatcher> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `compile` is never used
[INFO] [stdout]   --> src/expr/core.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<T: TerminalMatcher> CoreExpr<T> {
[INFO] [stdout]    | ------------------------------------ method in this implementation
[INFO] [stdout] 23 |     pub fn compile(&self) -> Matcher<T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ExprExtension` is never used
[INFO] [stdout]   --> src/expr/core.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub trait ExprExtension<'a, T: TerminalMatcher> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TransitionFunc` is never constructed
[INFO] [stdout]   --> src/expr/core.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct TransitionFunc<'a, T: TerminalMatcher> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_terminal_transitions` is never used
[INFO] [stdout]   --> src/expr/core.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<'a, T: TerminalMatcher> TransitionFunc<'a, T> {
[INFO] [stdout]    | -------------------------------------------------- method in this implementation
[INFO] [stdout] 39 |     fn get_terminal_transitions(&self, terminal: &T::Terminal) -> BTreeSet<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Matcher` is never constructed
[INFO] [stdout]   --> src/expr/core.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Matcher<'a, T: TerminalMatcher> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `create_new_state`, `expand`, and `match_sequence` are never used
[INFO] [stdout]    --> src/expr/core.rs:55:12
[INFO] [stdout]     |
[INFO] [stdout]  54 | impl<'a, T: TerminalMatcher> Matcher<'a, T> {
[INFO] [stdout]     | ------------------------------------------- associated items in this implementation
[INFO] [stdout]  55 |     pub fn new(expr: &'a CoreExpr<T>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  69 |     fn create_new_state(&mut self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  78 |     fn expand(&mut self, expr: &'a CoreExpr<T>, start_state: usize, end_state: usize) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn match_sequence(&self, string: &[T::Terminal]) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CharRule` is never used
[INFO] [stdout]  --> src/expr/char.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum CharRule {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CharMatcher` is never constructed
[INFO] [stdout]   --> src/expr/char.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct CharMatcher {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CharExpr` is never used
[INFO] [stdout]   --> src/expr/char.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum CharExpr {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `NoteEvent` is never used
[INFO] [stdout]  --> src/expr/music.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum NoteEvent {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Note` is never constructed
[INFO] [stdout]   --> src/expr/music.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Note {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IntervalAmount` is never used
[INFO] [stdout]   --> src/expr/music.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum IntervalAmount {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_half_steps` is never used
[INFO] [stdout]   --> src/expr/music.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl IntervalAmount {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 34 |     fn as_half_steps(&self) -> i8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IntervalRule` is never used
[INFO] [stdout]   --> src/expr/music.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum IntervalRule {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Duration` is never used
[INFO] [stdout]   --> src/expr/music.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum Duration {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_ticks` is never used
[INFO] [stdout]   --> src/expr/music.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl Duration {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 79 |     fn as_ticks(&self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DurationRule` is never used
[INFO] [stdout]   --> src/expr/music.rs:99:10
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub enum DurationRule {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoteRule` is never constructed
[INFO] [stdout]    --> src/expr/music.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct NoteRule {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoteMatcher` is never constructed
[INFO] [stdout]    --> src/expr/music.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct NoteMatcher {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `NoteExpr` is never used
[INFO] [stdout]    --> src/expr/music.rs:146:10
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub enum NoteExpr {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/expr/core.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn compile(&self) -> Matcher<T> {
[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] 23 |     pub fn compile(&self) -> Matcher<'_, T> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Alpha`, `Num`, `Whitespace`, `OneOrMore`, and `ZeroOrOne` are never constructed
[INFO] [stdout]   --> src/expr/char.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum CharExpr {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 33 |     Char(char),
[INFO] [stdout] 34 |     Alpha,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 35 |     Num,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 36 |     Whitespace,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     OneOrMore(Box<CharExpr>),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 41 |     ZeroOrOne(Box<CharExpr>),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CharExpr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `NoteEvent` is never used
[INFO] [stdout]  --> src/expr/music.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum NoteEvent {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Note` is never constructed
[INFO] [stdout]   --> src/expr/music.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Note {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IntervalAmount` is never used
[INFO] [stdout]   --> src/expr/music.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum IntervalAmount {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_half_steps` is never used
[INFO] [stdout]   --> src/expr/music.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl IntervalAmount {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 34 |     fn as_half_steps(&self) -> i8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IntervalRule` is never used
[INFO] [stdout]   --> src/expr/music.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum IntervalRule {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Duration` is never used
[INFO] [stdout]   --> src/expr/music.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum Duration {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_ticks` is never used
[INFO] [stdout]   --> src/expr/music.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl Duration {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 79 |     fn as_ticks(&self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DurationRule` is never used
[INFO] [stdout]   --> src/expr/music.rs:99:10
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub enum DurationRule {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoteRule` is never constructed
[INFO] [stdout]    --> src/expr/music.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct NoteRule {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoteMatcher` is never constructed
[INFO] [stdout]    --> src/expr/music.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct NoteMatcher {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `NoteExpr` is never used
[INFO] [stdout]    --> src/expr/music.rs:146:10
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub enum NoteExpr {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/expr/core.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn compile(&self) -> Matcher<T> {
[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] 23 |     pub fn compile(&self) -> Matcher<'_, T> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "71b354e93288949e96d505fff0233256dd884e302294efd8c2314b7df2414b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b354e93288949e96d505fff0233256dd884e302294efd8c2314b7df2414b75", kill_on_drop: false }`
[INFO] [stdout] 71b354e93288949e96d505fff0233256dd884e302294efd8c2314b7df2414b75
