[INFO] cloning repository https://github.com/mmaloney-sf/firrtlizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmaloney-sf/firrtlizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmaloney-sf%2Ffirrtlizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmaloney-sf%2Ffirrtlizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3d5e4a3f63c418d0aab9ff9dbd35a56024b1963
[INFO] testing mmaloney-sf/firrtlizer against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmaloney-sf%2Ffirrtlizer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mmaloney-sf/firrtlizer
[INFO] finished tweaking git repo https://github.com/mmaloney-sf/firrtlizer
[INFO] tweaked toml for git repo https://github.com/mmaloney-sf/firrtlizer written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mmaloney-sf/firrtlizer on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mmaloney-sf/firrtlizer 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logos-derive v0.15.0
[INFO] [stderr]   Downloaded logos-codegen v0.15.0
[INFO] [stderr]   Downloaded term v1.0.2
[INFO] [stderr]   Downloaded tracing-attributes v0.1.29
[INFO] [stderr]   Downloaded syn v2.0.103
[INFO] [stderr]   Downloaded libc v0.2.173
[INFO] [stderr]   Downloaded logos v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31eab13bdd944865255dc72d1ccb704e0bfec61d6e7fef3939e3733917dc24f7
[INFO] running `Command { std: "docker" "start" "-a" "31eab13bdd944865255dc72d1ccb704e0bfec61d6e7fef3939e3733917dc24f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31eab13bdd944865255dc72d1ccb704e0bfec61d6e7fef3939e3733917dc24f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31eab13bdd944865255dc72d1ccb704e0bfec61d6e7fef3939e3733917dc24f7", kill_on_drop: false }`
[INFO] [stdout] 31eab13bdd944865255dc72d1ccb704e0bfec61d6e7fef3939e3733917dc24f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c00edfe3ca10301b25907233815eb9e968e250f232f1d5af086bf86499570f15
[INFO] running `Command { std: "docker" "start" "-a" "c00edfe3ca10301b25907233815eb9e968e250f232f1d5af086bf86499570f15", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling term v1.0.2
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling logos-codegen v0.15.0
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling lalrpop-util v0.22.2
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling lalrpop v0.22.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.29
[INFO] [stderr]    Compiling logos-derive v0.15.0
[INFO] [stderr]    Compiling logos v0.15.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tokenizer v0.1.0 (/opt/rustwide/workdir/tokenizer)
[INFO] [stdout] warning: unused import: `logos::Filter`
[INFO] [stdout]  --> tokenizer/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use logos::Filter;
[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: `Skip`
[INFO] [stdout]  --> tokenizer/src/lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use logos::{Lexer, Logos, Skip};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> tokenizer/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> tokenizer/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stdout] warning: unused variable: `lex`
[INFO] [stdout]   --> tokenizer/src/lib.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn word_callback(lex: &mut Lexer<LexToken>) -> (usize, usize) {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_lex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tokenizer/src/lib.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let mut lex = LexToken::lexer(s);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_callback` is never used
[INFO] [stdout]   --> tokenizer/src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn word_callback(lex: &mut Lexer<LexToken>) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> tokenizer/src/lib.rs:261:19
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer {
[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] 261 |     pub fn new(s: &str) -> FirrtlLexer<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parsing v0.1.0 (/opt/rustwide/workdir/parsing)
[INFO] [stdout] warning: unused variable: `symbol`
[INFO] [stdout]    --> parsing/src/grammar.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |         for (index, symbol) in self.symbols.iter().enumerate() {
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 |                         let mut actions = actions.get_mut(&(src_state_index, Some(symbol))).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:129:33
[INFO] [stdout]     |
[INFO] [stdout] 129 | ...                   let mut actions = actions.get_mut(&(src_state_index, Some(symbol))).unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:134:29
[INFO] [stdout]     |
[INFO] [stdout] 134 |                         let mut actions = actions.get_mut(&(src_state_index, None)).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]    --> parsing/src/lr0.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let mut i = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> parsing/src/lr0.rs:286:17
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 i += 1;
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]    --> parsing/src/grammar.rs:326:19
[INFO] [stdout]     |
[INFO] [stdout] 312 | impl<'a> ItemSet<'a> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 326 |     pub(crate) fn insert(&mut self, item: Item<'a>) -> bool {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> parsing/src/lr0.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Node<'a>(Rc<NodeData<'a>>);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeData` is never constructed
[INFO] [stdout]   --> parsing/src/lr0.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct NodeData<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state`, `symbol`, and `actions` are never read
[INFO] [stdout]    --> parsing/src/lr0.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Conflict<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 183 |     state: StateIndex,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 184 |     symbol: Option<Symbol<'a>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 185 |     actions: Vec<Action<'a>>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Conflict` 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: unused `Result` that must be used
[INFO] [stdout]    --> parsing/src/grammar.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         write!(f, "{lhs} ->");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let _ = write!(f, "{lhs} ->");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:403:23
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule {
[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] 403 |     pub fn start_rule(&self) -> Rule<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:407:20
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol> {
[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] 407 |     pub fn symbols(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:418:22
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol> {
[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] 418 |     pub fn terminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:422:25
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol> {
[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] 422 |     pub fn nonterminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:426:19
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol> {
[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] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol<'_>> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:439:18
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule> {
[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] 439 |     pub fn rules(&self) -> Vec<Rule<'_>> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:457:22
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol> {
[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] 457 |     pub fn nullables(&self) -> HashSet<Symbol<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:479:26
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows {
[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] 479 |     pub fn first_follows(&self) -> FirstFollows<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/lr0.rs:154:22
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn conflicts(&self) -> Vec<Conflict> {
[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] 154 |     pub fn conflicts(&self) -> Vec<Conflict<'_>> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`, `any::Any`, `ops::Deref`, and `rc::Rc`
[INFO] [stdout]  --> parsing/src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{any::Any, collections::{HashMap, HashSet}, ops::Deref, rc::Rc};
[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 variable: `lex`
[INFO] [stdout]   --> parsing/src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let lex = tokenizer::FirrtlLexer::new(&source);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_lex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling metagrammar v0.1.0 (/opt/rustwide/workdir/metagrammar)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> metagrammar/src/main.rs:486:25
[INFO] [stdout]     |
[INFO] [stdout] 483 |                         tokenizer::LexToken::KwAsClock => r#""asClock""#,
[INFO] [stdout]     |                         ------------------------------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 486 |                         tokenizer::LexToken::KwAsClock => r#""asClock""#,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> metagrammar/src/main.rs:489:25
[INFO] [stdout]     |
[INFO] [stdout] 487 |                         tokenizer::LexToken::KwAsAsyncReset => r#""asAsyncReset""#,
[INFO] [stdout]     |                         ----------------------------------- matches all the relevant values
[INFO] [stdout] 488 |                         tokenizer::LexToken::KwCvt => r#""cvt""#,
[INFO] [stdout] 489 |                         tokenizer::LexToken::KwAsAsyncReset => r#""asAsyncReset""#,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `es`
[INFO] [stdout]   --> metagrammar/src/main.rs:96:29
[INFO] [stdout]    |
[INFO] [stdout] 96 |             SymbolExpr::Seq(es) => vec![self.clone()],
[INFO] [stdout]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_es`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> metagrammar/src/main.rs:120:31
[INFO] [stdout]     |
[INFO] [stdout] 120 |             SymbolExpr::Group(e) => true,
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `es`
[INFO] [stdout]    --> metagrammar/src/main.rs:128:29
[INFO] [stdout]     |
[INFO] [stdout] 128 |             SymbolExpr::Alt(es) => todo!(),
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_es`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]    --> metagrammar/src/main.rs:227:58
[INFO] [stdout]     |
[INFO] [stdout] 227 |                 lalrpop_util::ParseError::InvalidToken { location } => todo!(),
[INFO] [stdout]     |                                                          ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]    --> metagrammar/src/main.rs:228:61
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 lalrpop_util::ParseError::UnrecognizedEof { location, expected } => todo!(),
[INFO] [stdout]     |                                                             ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> metagrammar/src/main.rs:228:71
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 lalrpop_util::ParseError::UnrecognizedEof { location, expected } => todo!(),
[INFO] [stdout]     |                                                                       ^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> metagrammar/src/main.rs:229:70
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 lalrpop_util::ParseError::UnrecognizedToken { token, expected } => {
[INFO] [stdout]     |                                                                      ^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> metagrammar/src/main.rs:235:56
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 lalrpop_util::ParseError::ExtraToken { token } => todo!(),
[INFO] [stdout]     |                                                        ^^^^^ help: try ignoring the field: `token: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> metagrammar/src/main.rs:236:50
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 lalrpop_util::ParseError::User { error } => todo!(),
[INFO] [stdout]     |                                                  ^^^^^ help: try ignoring the field: `error: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.81s
[INFO] running `Command { std: "docker" "inspect" "c00edfe3ca10301b25907233815eb9e968e250f232f1d5af086bf86499570f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00edfe3ca10301b25907233815eb9e968e250f232f1d5af086bf86499570f15", kill_on_drop: false }`
[INFO] [stdout] c00edfe3ca10301b25907233815eb9e968e250f232f1d5af086bf86499570f15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 831da53435d11e07e4fd8790986b316e394e712136a615089abd6f71ad4d652c
[INFO] running `Command { std: "docker" "start" "-a" "831da53435d11e07e4fd8790986b316e394e712136a615089abd6f71ad4d652c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `logos::Filter`
[INFO] [stdout]  --> tokenizer/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use logos::Filter;
[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: `Skip`
[INFO] [stdout]  --> tokenizer/src/lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use logos::{Lexer, Logos, Skip};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> tokenizer/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> tokenizer/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokenizer v0.1.0 (/opt/rustwide/workdir/tokenizer)
[INFO] [stdout] warning: unused variable: `lex`
[INFO] [stdout]   --> tokenizer/src/lib.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn word_callback(lex: &mut Lexer<LexToken>) -> (usize, usize) {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_lex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tokenizer/src/lib.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let mut lex = LexToken::lexer(s);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_callback` is never used
[INFO] [stdout]   --> tokenizer/src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn word_callback(lex: &mut Lexer<LexToken>) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> tokenizer/src/lib.rs:261:19
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer {
[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] 261 |     pub fn new(s: &str) -> FirrtlLexer<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbol`
[INFO] [stdout]    --> parsing/src/grammar.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |         for (index, symbol) in self.symbols.iter().enumerate() {
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 |                         let mut actions = actions.get_mut(&(src_state_index, Some(symbol))).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:129:33
[INFO] [stdout]     |
[INFO] [stdout] 129 | ...                   let mut actions = actions.get_mut(&(src_state_index, Some(symbol))).unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:134:29
[INFO] [stdout]     |
[INFO] [stdout] 134 |                         let mut actions = actions.get_mut(&(src_state_index, None)).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]    --> parsing/src/lr0.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let mut i = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> parsing/src/lr0.rs:286:17
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 i += 1;
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]    --> parsing/src/grammar.rs:326:19
[INFO] [stdout]     |
[INFO] [stdout] 312 | impl<'a> ItemSet<'a> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 326 |     pub(crate) fn insert(&mut self, item: Item<'a>) -> bool {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> parsing/src/lr0.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Node<'a>(Rc<NodeData<'a>>);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeData` is never constructed
[INFO] [stdout]   --> parsing/src/lr0.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct NodeData<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state`, `symbol`, and `actions` are never read
[INFO] [stdout]    --> parsing/src/lr0.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Conflict<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 183 |     state: StateIndex,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 184 |     symbol: Option<Symbol<'a>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 185 |     actions: Vec<Action<'a>>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Conflict` 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: unused `Result` that must be used
[INFO] [stdout]    --> parsing/src/grammar.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         write!(f, "{lhs} ->");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let _ = write!(f, "{lhs} ->");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parsing v0.1.0 (/opt/rustwide/workdir/parsing)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:403:23
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule {
[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] 403 |     pub fn start_rule(&self) -> Rule<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:407:20
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol> {
[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] 407 |     pub fn symbols(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:418:22
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol> {
[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] 418 |     pub fn terminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:422:25
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol> {
[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] 422 |     pub fn nonterminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:426:19
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol> {
[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] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol<'_>> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:439:18
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule> {
[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] 439 |     pub fn rules(&self) -> Vec<Rule<'_>> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:457:22
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol> {
[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] 457 |     pub fn nullables(&self) -> HashSet<Symbol<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:479:26
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows {
[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] 479 |     pub fn first_follows(&self) -> FirstFollows<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/lr0.rs:154:22
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn conflicts(&self) -> Vec<Conflict> {
[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] 154 |     pub fn conflicts(&self) -> Vec<Conflict<'_>> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling metagrammar v0.1.0 (/opt/rustwide/workdir/metagrammar)
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`, `any::Any`, `ops::Deref`, and `rc::Rc`
[INFO] [stdout]  --> parsing/src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{any::Any, collections::{HashMap, HashSet}, ops::Deref, rc::Rc};
[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 variable: `lex`
[INFO] [stdout]   --> parsing/src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let lex = tokenizer::FirrtlLexer::new(&source);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_lex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> metagrammar/src/main.rs:486:25
[INFO] [stdout]     |
[INFO] [stdout] 483 |                         tokenizer::LexToken::KwAsClock => r#""asClock""#,
[INFO] [stdout]     |                         ------------------------------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 486 |                         tokenizer::LexToken::KwAsClock => r#""asClock""#,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> metagrammar/src/main.rs:489:25
[INFO] [stdout]     |
[INFO] [stdout] 487 |                         tokenizer::LexToken::KwAsAsyncReset => r#""asAsyncReset""#,
[INFO] [stdout]     |                         ----------------------------------- matches all the relevant values
[INFO] [stdout] 488 |                         tokenizer::LexToken::KwCvt => r#""cvt""#,
[INFO] [stdout] 489 |                         tokenizer::LexToken::KwAsAsyncReset => r#""asAsyncReset""#,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `logos::Filter`
[INFO] [stdout]  --> tokenizer/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use logos::Filter;
[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: `Skip`
[INFO] [stdout]  --> tokenizer/src/lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use logos::{Lexer, Logos, Skip};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> tokenizer/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> tokenizer/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `es`
[INFO] [stdout]   --> metagrammar/src/main.rs:96:29
[INFO] [stdout]    |
[INFO] [stdout] 96 |             SymbolExpr::Seq(es) => vec![self.clone()],
[INFO] [stdout]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_es`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> metagrammar/src/main.rs:120:31
[INFO] [stdout]     |
[INFO] [stdout] 120 |             SymbolExpr::Group(e) => true,
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `es`
[INFO] [stdout]    --> metagrammar/src/main.rs:128:29
[INFO] [stdout]     |
[INFO] [stdout] 128 |             SymbolExpr::Alt(es) => todo!(),
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_es`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]    --> metagrammar/src/main.rs:227:58
[INFO] [stdout]     |
[INFO] [stdout] 227 |                 lalrpop_util::ParseError::InvalidToken { location } => todo!(),
[INFO] [stdout]     |                                                          ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]    --> metagrammar/src/main.rs:228:61
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 lalrpop_util::ParseError::UnrecognizedEof { location, expected } => todo!(),
[INFO] [stdout]     |                                                             ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> metagrammar/src/main.rs:228:71
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 lalrpop_util::ParseError::UnrecognizedEof { location, expected } => todo!(),
[INFO] [stdout]     |                                                                       ^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> metagrammar/src/main.rs:229:70
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 lalrpop_util::ParseError::UnrecognizedToken { token, expected } => {
[INFO] [stdout]     |                                                                      ^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> metagrammar/src/main.rs:235:56
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 lalrpop_util::ParseError::ExtraToken { token } => todo!(),
[INFO] [stdout]     |                                                        ^^^^^ help: try ignoring the field: `token: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> metagrammar/src/main.rs:236:50
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 lalrpop_util::ParseError::User { error } => todo!(),
[INFO] [stdout]     |                                                  ^^^^^ help: try ignoring the field: `error: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> parsing/src/test.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let x = grammar.symbol("x").unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> parsing/src/test.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let x = grammar.symbol("x").unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> parsing/src/test.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let a = grammar.symbol("A").unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> parsing/src/test.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |     let c = grammar.symbol("C").unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> parsing/src/test.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let d = grammar.symbol("D").unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> parsing/src/test.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let e = grammar.symbol("E").unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> parsing/src/test.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let x = grammar.symbol("x").unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbol`
[INFO] [stdout]    --> parsing/src/grammar.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |         for (index, symbol) in self.symbols.iter().enumerate() {
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 |                         let mut actions = actions.get_mut(&(src_state_index, Some(symbol))).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:129:33
[INFO] [stdout]     |
[INFO] [stdout] 129 | ...                   let mut actions = actions.get_mut(&(src_state_index, Some(symbol))).unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:134:29
[INFO] [stdout]     |
[INFO] [stdout] 134 |                         let mut actions = actions.get_mut(&(src_state_index, None)).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]    --> parsing/src/lr0.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let mut i = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> parsing/src/lr0.rs:286:17
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 i += 1;
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]    --> parsing/src/grammar.rs:326:19
[INFO] [stdout]     |
[INFO] [stdout] 312 | impl<'a> ItemSet<'a> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 326 |     pub(crate) fn insert(&mut self, item: Item<'a>) -> bool {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> parsing/src/lr0.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Node<'a>(Rc<NodeData<'a>>);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeData` is never constructed
[INFO] [stdout]   --> parsing/src/lr0.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct NodeData<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state`, `symbol`, and `actions` are never read
[INFO] [stdout]    --> parsing/src/lr0.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Conflict<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 183 |     state: StateIndex,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 184 |     symbol: Option<Symbol<'a>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 185 |     actions: Vec<Action<'a>>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Conflict` 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: unused `Result` that must be used
[INFO] [stdout]    --> parsing/src/grammar.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         write!(f, "{lhs} ->");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let _ = write!(f, "{lhs} ->");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:403:23
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule {
[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] 403 |     pub fn start_rule(&self) -> Rule<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:407:20
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol> {
[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] 407 |     pub fn symbols(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:418:22
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol> {
[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] 418 |     pub fn terminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:422:25
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol> {
[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] 422 |     pub fn nonterminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:426:19
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol> {
[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] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol<'_>> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:439:18
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule> {
[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] 439 |     pub fn rules(&self) -> Vec<Rule<'_>> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:457:22
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol> {
[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] 457 |     pub fn nullables(&self) -> HashSet<Symbol<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:479:26
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows {
[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] 479 |     pub fn first_follows(&self) -> FirstFollows<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/lr0.rs:154:22
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn conflicts(&self) -> Vec<Conflict> {
[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] 154 |     pub fn conflicts(&self) -> Vec<Conflict<'_>> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lex`
[INFO] [stdout]   --> tokenizer/src/lib.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn word_callback(lex: &mut Lexer<LexToken>) -> (usize, usize) {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_lex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tokenizer/src/lib.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let mut lex = LexToken::lexer(s);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_callback` is never used
[INFO] [stdout]   --> tokenizer/src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn word_callback(lex: &mut Lexer<LexToken>) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> tokenizer/src/lib.rs:261:19
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer {
[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] 261 |     pub fn new(s: &str) -> FirrtlLexer<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "831da53435d11e07e4fd8790986b316e394e712136a615089abd6f71ad4d652c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831da53435d11e07e4fd8790986b316e394e712136a615089abd6f71ad4d652c", kill_on_drop: false }`
[INFO] [stdout] 831da53435d11e07e4fd8790986b316e394e712136a615089abd6f71ad4d652c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d4671d9a821b84f1a82043a3d6db54988d37fbf2d906f15e0fe71d9e7e99383
[INFO] running `Command { std: "docker" "start" "-a" "4d4671d9a821b84f1a82043a3d6db54988d37fbf2d906f15e0fe71d9e7e99383", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `logos::Filter`
[INFO] [stderr]  --> tokenizer/src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use logos::Filter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Skip`
[INFO] [stderr]  --> tokenizer/src/lib.rs:2:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use logos::{Lexer, Logos, Skip};
[INFO] [stderr]   |                           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> tokenizer/src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> tokenizer/src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lex`
[INFO] [stderr]   --> tokenizer/src/lib.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn word_callback(lex: &mut Lexer<LexToken>) -> (usize, usize) {
[INFO] [stderr]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_lex`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tokenizer/src/lib.rs:262:13
[INFO] [stderr]     |
[INFO] [stderr] 262 |         let mut lex = LexToken::lexer(s);
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `word_callback` is never used
[INFO] [stderr]   --> tokenizer/src/lib.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn word_callback(lex: &mut Lexer<LexToken>) -> (usize, usize) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> tokenizer/src/lib.rs:261:19
[INFO] [stderr]     |
[INFO] [stderr] 261 |     pub fn new(s: &str) -> FirrtlLexer {
[INFO] [stderr]     |                   ^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 261 |     pub fn new(s: &str) -> FirrtlLexer<'_> {
[INFO] [stderr]     |                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tokenizer` (lib) generated 8 warnings (run `cargo fix --lib -p tokenizer` to apply 7 suggestions)
[INFO] [stderr] warning: `tokenizer` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr] warning: unused variable: `symbol`
[INFO] [stderr]    --> parsing/src/grammar.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |         for (index, symbol) in self.symbols.iter().enumerate() {
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parsing/src/lr0.rs:121:29
[INFO] [stderr]     |
[INFO] [stderr] 121 |                         let mut actions = actions.get_mut(&(src_state_index, Some(symbol))).unwrap();
[INFO] [stderr]     |                             ----^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parsing/src/lr0.rs:129:33
[INFO] [stderr]     |
[INFO] [stderr] 129 | ...                   let mut actions = actions.get_mut(&(src_state_index, Some(symbol))).unwrap();
[INFO] [stderr]     |                           ----^^^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parsing/src/lr0.rs:134:29
[INFO] [stderr]     |
[INFO] [stderr] 134 |                         let mut actions = actions.get_mut(&(src_state_index, None)).unwrap();
[INFO] [stderr]     |                             ----^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `i` is assigned to, but never used
[INFO] [stderr]    --> parsing/src/lr0.rs:278:13
[INFO] [stderr]     |
[INFO] [stderr] 278 |         let mut i = 0;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]    --> parsing/src/lr0.rs:286:17
[INFO] [stderr]     |
[INFO] [stderr] 286 |                 i += 1;
[INFO] [stderr]     |                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `insert` is never used
[INFO] [stderr]    --> parsing/src/grammar.rs:326:19
[INFO] [stderr]     |
[INFO] [stderr] 312 | impl<'a> ItemSet<'a> {
[INFO] [stderr]     | -------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 326 |     pub(crate) fn insert(&mut self, item: Item<'a>) -> bool {
[INFO] [stderr]     |                   ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]  --> parsing/src/lr0.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Node<'a>(Rc<NodeData<'a>>);
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NodeData` is never constructed
[INFO] [stderr]   --> parsing/src/lr0.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct NodeData<'a> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `state`, `symbol`, and `actions` are never read
[INFO] [stderr]    --> parsing/src/lr0.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 182 | pub struct Conflict<'a> {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 183 |     state: StateIndex,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 184 |     symbol: Option<Symbol<'a>>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 185 |     actions: Vec<Action<'a>>,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Conflict` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> parsing/src/grammar.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         write!(f, "{lhs} ->");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let _ = write!(f, "{lhs} ->");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:403:23
[INFO] [stderr]     |
[INFO] [stderr] 403 |     pub fn start_rule(&self) -> Rule {
[INFO] [stderr]     |                       ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 403 |     pub fn start_rule(&self) -> Rule<'_> {
[INFO] [stderr]     |                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:407:20
[INFO] [stderr]     |
[INFO] [stderr] 407 |     pub fn symbols(&self) -> Vec<Symbol> {
[INFO] [stderr]     |                    ^^^^^         ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 407 |     pub fn symbols(&self) -> Vec<Symbol<'_>> {
[INFO] [stderr]     |                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:418:22
[INFO] [stderr]     |
[INFO] [stderr] 418 |     pub fn terminals(&self) -> Vec<Symbol> {
[INFO] [stderr]     |                      ^^^^^         ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 418 |     pub fn terminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stderr]     |                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:422:25
[INFO] [stderr]     |
[INFO] [stderr] 422 |     pub fn nonterminals(&self) -> Vec<Symbol> {
[INFO] [stderr]     |                         ^^^^^         ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 422 |     pub fn nonterminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stderr]     |                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:426:19
[INFO] [stderr]     |
[INFO] [stderr] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol> {
[INFO] [stderr]     |                   ^^^^^                        ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol<'_>> {
[INFO] [stderr]     |                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:439:18
[INFO] [stderr]     |
[INFO] [stderr] 439 |     pub fn rules(&self) -> Vec<Rule> {
[INFO] [stderr]     |                  ^^^^^         ^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 439 |     pub fn rules(&self) -> Vec<Rule<'_>> {
[INFO] [stderr]     |                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:457:22
[INFO] [stderr]     |
[INFO] [stderr] 457 |     pub fn nullables(&self) -> HashSet<Symbol> {
[INFO] [stderr]     |                      ^^^^^             ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 457 |     pub fn nullables(&self) -> HashSet<Symbol<'_>> {
[INFO] [stderr]     |                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:479:26
[INFO] [stderr]     |
[INFO] [stderr] 479 |     pub fn first_follows(&self) -> FirstFollows {
[INFO] [stderr]     |                          ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 479 |     pub fn first_follows(&self) -> FirstFollows<'_> {
[INFO] [stderr]     |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> parsing/src/lr0.rs:154:22
[INFO] [stderr]     |
[INFO] [stderr] 154 |     pub fn conflicts(&self) -> Vec<Conflict> {
[INFO] [stderr]     |                      ^^^^^         ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 154 |     pub fn conflicts(&self) -> Vec<Conflict<'_>> {
[INFO] [stderr]     |                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> parsing/src/test.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let x = grammar.symbol("x").unwrap();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> parsing/src/test.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let x = grammar.symbol("x").unwrap();
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> parsing/src/test.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |     let a = grammar.symbol("A").unwrap();
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> parsing/src/test.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |     let c = grammar.symbol("C").unwrap();
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]    --> parsing/src/test.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |     let d = grammar.symbol("D").unwrap();
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> parsing/src/test.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |     let e = grammar.symbol("E").unwrap();
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> parsing/src/test.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let x = grammar.symbol("x").unwrap();
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `symbol`
[INFO] [stderr]    --> parsing/src/grammar.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |         for (index, symbol) in self.symbols.iter().enumerate() {
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stderr] 
[INFO] [stderr] warning: `parsing` (lib) generated 20 warnings (run `cargo fix --lib -p parsing` to apply 13 suggestions)
[INFO] [stderr] warning: `parsing` (lib test) generated 27 warnings (19 duplicates) (run `cargo fix --lib -p parsing --tests` to apply 8 suggestions)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> metagrammar/src/main.rs:486:25
[INFO] [stderr]     |
[INFO] [stderr] 483 |                         tokenizer::LexToken::KwAsClock => r#""asClock""#,
[INFO] [stderr]     |                         ------------------------------ matches all the relevant values
[INFO] [stderr] ...
[INFO] [stderr] 486 |                         tokenizer::LexToken::KwAsClock => r#""asClock""#,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> metagrammar/src/main.rs:489:25
[INFO] [stderr]     |
[INFO] [stderr] 487 |                         tokenizer::LexToken::KwAsAsyncReset => r#""asAsyncReset""#,
[INFO] [stderr]     |                         ----------------------------------- matches all the relevant values
[INFO] [stderr] 488 |                         tokenizer::LexToken::KwCvt => r#""cvt""#,
[INFO] [stderr] 489 |                         tokenizer::LexToken::KwAsAsyncReset => r#""asAsyncReset""#,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `es`
[INFO] [stderr]   --> metagrammar/src/main.rs:96:29
[INFO] [stderr]    |
[INFO] [stderr] 96 |             SymbolExpr::Seq(es) => vec![self.clone()],
[INFO] [stderr]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_es`
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    --> metagrammar/src/main.rs:120:31
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr] 120 |             SymbolExpr::Group(e) => true,
[INFO] [stderr]     |                               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `es`
[INFO] [stderr]    --> metagrammar/src/main.rs:128:29
[INFO] [stderr]     |
[INFO] [stderr] 128 |             SymbolExpr::Alt(es) => todo!(),
[INFO] [stderr]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_es`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]    --> metagrammar/src/main.rs:227:58
[INFO] [stderr]     |
[INFO] [stderr] 227 |                 lalrpop_util::ParseError::InvalidToken { location } => todo!(),
[INFO] [stderr]     |                                                          ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]    --> metagrammar/src/main.rs:228:61
[INFO] [stderr]     |
[INFO] [stderr] 228 |                 lalrpop_util::ParseError::UnrecognizedEof { location, expected } => todo!(),
[INFO] [stderr]     |                                                             ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expected`
[INFO] [stderr]    --> metagrammar/src/main.rs:228:71
[INFO] [stderr]     |
[INFO] [stderr] 228 |                 lalrpop_util::ParseError::UnrecognizedEof { location, expected } => todo!(),
[INFO] [stderr]     |                                                                       ^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expected`
[INFO] [stderr]    --> metagrammar/src/main.rs:229:70
[INFO] [stderr]     |
[INFO] [stderr] 229 |                 lalrpop_util::ParseError::UnrecognizedToken { token, expected } => {
[INFO] [stderr]     |                                                                      ^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> metagrammar/src/main.rs:235:56
[INFO] [stderr]     |
[INFO] [stderr] 235 |                 lalrpop_util::ParseError::ExtraToken { token } => todo!(),
[INFO] [stderr]     |                                                        ^^^^^ help: try ignoring the field: `token: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> metagrammar/src/main.rs:236:50
[INFO] [stderr]     |
[INFO] [stderr] 236 |                 lalrpop_util::ParseError::User { error } => todo!(),
[INFO] [stderr]     |                                                  ^^^^^ help: try ignoring the field: `error: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`, `any::Any`, `ops::Deref`, and `rc::Rc`
[INFO] [stderr]  --> parsing/src/main.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{any::Any, collections::{HashMap, HashSet}, ops::Deref, rc::Rc};
[INFO] [stderr]   |           ^^^^^^^^                ^^^^^^^  ^^^^^^^   ^^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lex`
[INFO] [stderr]   --> parsing/src/main.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let lex = tokenizer::FirrtlLexer::new(&source);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_lex`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `metagrammar` (bin "metagrammar" test) generated 11 warnings (run `cargo fix --bin "metagrammar" -p metagrammar --tests` to apply 9 suggestions)
[INFO] [stderr] warning: `parsing` (bin "parsing" test) generated 2 warnings (run `cargo fix --bin "parsing" -p parsing --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/metagrammar-4ffaa0eefa4eba59)
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/parsing-9801807166913df9)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test::test_empty ... ok
[INFO] [stdout] test test::test_first ... ok
[INFO] [stdout] test test::test_first_mutual_recursion ... ok
[INFO] [stdout] test test::test_first_with_empty ... ok
[INFO] [stdout] test test::test_follow_simple ... ok
[INFO] [stdout] test test::test_is_terminal ... ok
[INFO] [stdout] test test::test_first_nullable ... ok
[INFO] [stdout] test test::test_first_left_recursion ... ok
[INFO] [stdout] test test::test_foo ... ok
[INFO] [stdout] test test::test_follow_nullable ... ok
[INFO] [stdout] test test::test_follow_nullable2 ... ok
[INFO] [stdout] test test::foo ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `-p parsing --lib`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::foo stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test::foo' (27) panicked at parsing/src/test.rs:274:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: {KW_MODULE}
[INFO] [stdout]  right: {DEDENT, KW_MODULE}
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6139c722d632 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6139c722d632 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6139c722d632 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6139c722d632 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6139c723d5df - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6139c723d5df - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x6139c71fafd3 - std::io::default_write_fmt::haffd49d96f1984a8
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6139c71fafd3 - std::io::Write::write_fmt::h027871c57cf57c01
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6139c7206ea2 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6139c720b97f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x6139c720b811 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x6139c71ce9de - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x6139c71ce9de - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6139c720bf8f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x6139c720bf8f - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x6139c720bdea - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x6139c7206fd9 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x6139c71ef8cd - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x6139c7244ee0 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6139c7244ce3 - core::panicking::assert_failed_inner::hdcc703ae7c807131
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:444:17
[INFO] [stdout]   20:     0x6139c71a7847 - core::panicking::assert_failed::hb7b6bdd40f25b893
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:399:5
[INFO] [stdout]   21:     0x6139c71a3035 - parsing::test::foo::hef64c1ab7defd71e
[INFO] [stdout]                                at /opt/rustwide/workdir/parsing/src/test.rs:274:5
[INFO] [stdout]   22:     0x6139c71a30b7 - parsing::test::foo::{{closure}}::ha424732602155f60
[INFO] [stdout]                                at /opt/rustwide/workdir/parsing/src/test.rs:233:9
[INFO] [stdout]   23:     0x6139c71a6556 - core::ops::function::FnOnce::call_once::hb86d9b4300fa041c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6139c71ce7bb - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6139c71ce7bb - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x6139c71e283d - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x6139c71e283d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x6139c71e283d - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x6139c71e283d - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x6139c71e283d - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6139c71e283d - test::run_test_in_process::ha5b55801407ea100
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x6139c71e283d - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x6139c71bbd54 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x6139c71bbd54 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x6139c71bf68a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x6139c71bf68a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x6139c71bf68a - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x6139c71bf68a - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x6139c71bf68a - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6139c71bf68a - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x6139c71bf68a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6139c72023df - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x6139c72023df - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x7bcfab454aa4 - <unknown>
[INFO] [stdout]   45:     0x7bcfab4e1a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::foo
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 11 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d4671d9a821b84f1a82043a3d6db54988d37fbf2d906f15e0fe71d9e7e99383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4671d9a821b84f1a82043a3d6db54988d37fbf2d906f15e0fe71d9e7e99383", kill_on_drop: false }`
[INFO] [stdout] 4d4671d9a821b84f1a82043a3d6db54988d37fbf2d906f15e0fe71d9e7e99383
