[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#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmaloney-sf%2Ffirrtlizer" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mmaloney-sf/firrtlizer on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d06db0ce36ce3f9d71a4d015c1b617e52741c6195895e10fb20f3af8cb054d2
[INFO] running `Command { std: "docker" "start" "-a" "9d06db0ce36ce3f9d71a4d015c1b617e52741c6195895e10fb20f3af8cb054d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d06db0ce36ce3f9d71a4d015c1b617e52741c6195895e10fb20f3af8cb054d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d06db0ce36ce3f9d71a4d015c1b617e52741c6195895e10fb20f3af8cb054d2", kill_on_drop: false }`
[INFO] [stdout] 9d06db0ce36ce3f9d71a4d015c1b617e52741c6195895e10fb20f3af8cb054d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40e7e8d3e7181bc57c7a6a096e6183798d8fef33b21e96b1097d96b8302590bc
[INFO] running `Command { std: "docker" "start" "-a" "40e7e8d3e7181bc57c7a6a096e6183798d8fef33b21e96b1097d96b8302590bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling term v1.0.2
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling lalrpop-util v0.22.2
[INFO] [stderr]    Compiling lalrpop v0.22.2
[INFO] [stderr]    Compiling logos-codegen v0.15.0
[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 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)]` 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: `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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> tokenizer/src/lib.rs:261:19
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer {
[INFO] [stdout]     |                   ^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling parsing v0.1.0 (/opt/rustwide/workdir/parsing)
[INFO] [stderr]    Compiling metagrammar v0.1.0 (/opt/rustwide/workdir/metagrammar)
[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)]` 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)]` 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:278:17
[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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `children` is never read
[INFO] [stdout]   --> parsing/src/lr0.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct NodeData<'a> {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 12 |     symbol: Symbol<'a>,
[INFO] [stdout] 13 |     children: Vec<Node<'a>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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)]` 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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:403:23
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule {
[INFO] [stdout]     |                       ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:407:20
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                    ^^^^^         ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:418:22
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                      ^^^^^         ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:422:25
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                         ^^^^^         ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be 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 lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol<'_>> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:439:18
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule> {
[INFO] [stdout]     |                  ^^^^^         ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule<'_>> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:457:22
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol> {
[INFO] [stdout]     |                      ^^^^^             ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:479:26
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows {
[INFO] [stdout]     |                          ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/lr0.rs:154:22
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn conflicts(&self) -> Vec<Conflict> {
[INFO] [stdout]     |                      ^^^^^         -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 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)]` 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)]` 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)]` 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)]` 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 2m 34s
[INFO] running `Command { std: "docker" "inspect" "40e7e8d3e7181bc57c7a6a096e6183798d8fef33b21e96b1097d96b8302590bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e7e8d3e7181bc57c7a6a096e6183798d8fef33b21e96b1097d96b8302590bc", kill_on_drop: false }`
[INFO] [stdout] 40e7e8d3e7181bc57c7a6a096e6183798d8fef33b21e96b1097d96b8302590bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1162db591880b9dfa60c8a5f4206381c8bae34ce3f11ca42e9333deb863bd7dc
[INFO] running `Command { std: "docker" "start" "-a" "1162db591880b9dfa60c8a5f4206381c8bae34ce3f11ca42e9333deb863bd7dc", 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)]` 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: `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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> tokenizer/src/lib.rs:261:19
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer {
[INFO] [stdout]     |                   ^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokenizer v0.1.0 (/opt/rustwide/workdir/tokenizer)
[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)]` 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)]` 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:278:17
[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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `children` is never read
[INFO] [stdout]   --> parsing/src/lr0.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct NodeData<'a> {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 12 |     symbol: Symbol<'a>,
[INFO] [stdout] 13 |     children: Vec<Node<'a>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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)]` 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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:403:23
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule {
[INFO] [stdout]     |                       ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:407:20
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                    ^^^^^         ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:418:22
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                      ^^^^^         ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:422:25
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                         ^^^^^         ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be 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 lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol<'_>> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:439:18
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule> {
[INFO] [stdout]     |                  ^^^^^         ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule<'_>> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:457:22
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol> {
[INFO] [stdout]     |                      ^^^^^             ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:479:26
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows {
[INFO] [stdout]     |                          ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/lr0.rs:154:22
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn conflicts(&self) -> Vec<Conflict> {
[INFO] [stdout]     |                      ^^^^^         -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn conflicts(&self) -> Vec<Conflict<'_>> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parsing v0.1.0 (/opt/rustwide/workdir/parsing)
[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)]` 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)]` 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)]` 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: `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)]` 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: `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)]` 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: `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: 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)]` 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: 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)]` 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:278:17
[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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `children` is never read
[INFO] [stdout]   --> parsing/src/lr0.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct NodeData<'a> {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 12 |     symbol: Symbol<'a>,
[INFO] [stdout] 13 |     children: Vec<Node<'a>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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)]` 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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:403:23
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule {
[INFO] [stdout]     |                       ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:407:20
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                    ^^^^^         ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:418:22
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                      ^^^^^         ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:422:25
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                         ^^^^^         ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be 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 lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol<'_>> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:439:18
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule> {
[INFO] [stdout]     |                  ^^^^^         ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule<'_>> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:457:22
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol> {
[INFO] [stdout]     |                      ^^^^^             ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:479:26
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows {
[INFO] [stdout]     |                          ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> parsing/src/lr0.rs:154:22
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn conflicts(&self) -> Vec<Conflict> {
[INFO] [stdout]     |                      ^^^^^         -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> tokenizer/src/lib.rs:261:19
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer {
[INFO] [stdout]     |                   ^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "1162db591880b9dfa60c8a5f4206381c8bae34ce3f11ca42e9333deb863bd7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1162db591880b9dfa60c8a5f4206381c8bae34ce3f11ca42e9333deb863bd7dc", kill_on_drop: false }`
[INFO] [stdout] 1162db591880b9dfa60c8a5f4206381c8bae34ce3f11ca42e9333deb863bd7dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e0d5704bf862fd9b0fdbd1c8b6156197519dab2b92cc6eb274d670b4b8a3edd
[INFO] running `Command { std: "docker" "start" "-a" "1e0d5704bf862fd9b0fdbd1c8b6156197519dab2b92cc6eb274d670b4b8a3edd", 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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> tokenizer/src/lib.rs:261:19
[INFO] [stderr]     |
[INFO] [stderr] 261 |     pub fn new(s: &str) -> FirrtlLexer {
[INFO] [stderr]     |                   ^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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 5 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)]` 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)]` 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:278:17
[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: 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `children` is never read
[INFO] [stderr]   --> parsing/src/lr0.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct NodeData<'a> {
[INFO] [stderr]    |        -------- field in this struct
[INFO] [stderr] 12 |     symbol: Symbol<'a>,
[INFO] [stderr] 13 |     children: Vec<Node<'a>>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `NodeData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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)]` 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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:403:23
[INFO] [stderr]     |
[INFO] [stderr] 403 |     pub fn start_rule(&self) -> Rule {
[INFO] [stderr]     |                       ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 403 |     pub fn start_rule(&self) -> Rule<'_> {
[INFO] [stderr]     |                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:407:20
[INFO] [stderr]     |
[INFO] [stderr] 407 |     pub fn symbols(&self) -> Vec<Symbol> {
[INFO] [stderr]     |                    ^^^^^         ------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 407 |     pub fn symbols(&self) -> Vec<Symbol<'_>> {
[INFO] [stderr]     |                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:418:22
[INFO] [stderr]     |
[INFO] [stderr] 418 |     pub fn terminals(&self) -> Vec<Symbol> {
[INFO] [stderr]     |                      ^^^^^         ------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 418 |     pub fn terminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stderr]     |                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:422:25
[INFO] [stderr]     |
[INFO] [stderr] 422 |     pub fn nonterminals(&self) -> Vec<Symbol> {
[INFO] [stderr]     |                         ^^^^^         ------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 422 |     pub fn nonterminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stderr]     |                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be 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 lifetime gets resolved as `'_`
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol<'_>> {
[INFO] [stderr]     |                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:439:18
[INFO] [stderr]     |
[INFO] [stderr] 439 |     pub fn rules(&self) -> Vec<Rule> {
[INFO] [stderr]     |                  ^^^^^         ---- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 439 |     pub fn rules(&self) -> Vec<Rule<'_>> {
[INFO] [stderr]     |                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:457:22
[INFO] [stderr]     |
[INFO] [stderr] 457 |     pub fn nullables(&self) -> HashSet<Symbol> {
[INFO] [stderr]     |                      ^^^^^             ------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 457 |     pub fn nullables(&self) -> HashSet<Symbol<'_>> {
[INFO] [stderr]     |                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> parsing/src/grammar.rs:479:26
[INFO] [stderr]     |
[INFO] [stderr] 479 |     pub fn first_follows(&self) -> FirstFollows {
[INFO] [stderr]     |                          ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 479 |     pub fn first_follows(&self) -> FirstFollows<'_> {
[INFO] [stderr]     |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> parsing/src/lr0.rs:154:22
[INFO] [stderr]     |
[INFO] [stderr] 154 |     pub fn conflicts(&self) -> Vec<Conflict> {
[INFO] [stderr]     |                      ^^^^^         -------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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)]` 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 18 warnings (run `cargo fix --lib -p parsing` to apply 3 suggestions)
[INFO] [stderr] warning: `parsing` (lib test) generated 25 warnings (17 duplicates)
[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)]` 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] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> metagrammar/src/main.rs:120:31
[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)]` 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `metagrammar` (bin "metagrammar" test) generated 11 warnings
[INFO] [stderr] warning: `parsing` (bin "parsing" test) generated 2 warnings (run `cargo fix --bin "parsing" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/metagrammar-201f8b4f737f76d9)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/parsing-2dbc9cb1cb663e31)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test::test_follow_nullable2 ... ok
[INFO] [stdout] test test::test_first_with_empty ... ok
[INFO] [stdout] test test::test_first_nullable ... ok
[INFO] [stdout] test test::test_follow_simple ... ok
[INFO] [stdout] test test::test_first ... ok
[INFO] [stdout] test test::test_empty ... ok
[INFO] [stdout] test test::test_first_mutual_recursion ... ok
[INFO] [stdout] test test::test_follow_nullable ... ok
[INFO] [stdout] test test::test_is_terminal ... ok
[INFO] [stdout] test test::test_foo ... ok
[INFO] [stdout] test test::test_first_left_recursion ... ok
[INFO] [stdout] test test::foo ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::foo stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test::foo' panicked at parsing/src/test.rs:274:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: {KW_MODULE}
[INFO] [stdout]  right: {KW_MODULE, DEDENT}
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a67ccc70962 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a67ccc70962 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a67ccc70962 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5a67ccc70962 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5a67ccc95a63 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5a67ccc95a63 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5a67ccc6d8f3 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a67ccc6d8f3 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5a67ccc707b2 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5a67ccc71ecc - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5a67ccc71d22 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5a67ccc39e44 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5a67ccc39e44 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a67ccc728ab - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5a67ccc728ab - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5a67ccc7267a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5a67ccc70e59 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5a67ccc7230d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5a67ccc945a0 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5a67ccc94807 - core::panicking::assert_failed_inner::h6a89cd271393c011
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5a67ccbffed9 - core::panicking::assert_failed::h84b2d014cad512e1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5a67ccbffacc - parsing::test::foo::hcf64adbb4f06532e
[INFO] [stdout]                                at /opt/rustwide/workdir/parsing/src/test.rs:274:5
[INFO] [stdout]   22:     0x5a67ccbffd39 - parsing::test::foo::{{closure}}::h28169fd7be1c1be2
[INFO] [stdout]                                at /opt/rustwide/workdir/parsing/src/test.rs:233:9
[INFO] [stdout]   23:     0x5a67ccbffd39 - core::ops::function::FnOnce::call_once::h059bec0792e431b2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5a67ccc3f57b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5a67ccc3f57b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5a67ccc3e7be - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5a67ccc3e7be - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5a67ccc3e7be - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5a67ccc3e7be - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5a67ccc3e7be - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5a67ccc3e7be - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5a67ccc3e7be - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5a67ccc02364 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5a67ccc02364 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x5a67ccc05d0a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5a67ccc05d0a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5a67ccc05d0a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5a67ccc05d0a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5a67ccc05d0a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5a67ccc05d0a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5a67ccc05d0a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5a67ccc75807 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5a67ccc75807 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5a67ccc75807 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7a4d9d455aa4 - <unknown>
[INFO] [stdout]   46:     0x7a4d9d4e2a34 - clone
[INFO] [stdout]   47:                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] [stderr] error: test failed, to rerun pass `-p parsing --lib`
[INFO] running `Command { std: "docker" "inspect" "1e0d5704bf862fd9b0fdbd1c8b6156197519dab2b92cc6eb274d670b4b8a3edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e0d5704bf862fd9b0fdbd1c8b6156197519dab2b92cc6eb274d670b4b8a3edd", kill_on_drop: false }`
[INFO] [stdout] 1e0d5704bf862fd9b0fdbd1c8b6156197519dab2b92cc6eb274d670b4b8a3edd
