[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] building mmaloney-sf/firrtlizer against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmaloney-sf%2Ffirrtlizer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mmaloney-sf/firrtlizer
[INFO] finished tweaking git repo https://github.com/mmaloney-sf/firrtlizer
[INFO] tweaked toml for git repo https://github.com/mmaloney-sf/firrtlizer written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mmaloney-sf/firrtlizer on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logos-derive v0.15.0
[INFO] [stderr]   Downloaded logos-codegen v0.15.0
[INFO] [stderr]   Downloaded libc v0.2.173
[INFO] [stderr]   Downloaded logos v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1acb34361fa38c81b97c9b06ef1fa228b667df1174730f4f78078eeccb833e3
[INFO] running `Command { std: "docker" "start" "-a" "d1acb34361fa38c81b97c9b06ef1fa228b667df1174730f4f78078eeccb833e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1acb34361fa38c81b97c9b06ef1fa228b667df1174730f4f78078eeccb833e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1acb34361fa38c81b97c9b06ef1fa228b667df1174730f4f78078eeccb833e3", kill_on_drop: false }`
[INFO] [stdout] d1acb34361fa38c81b97c9b06ef1fa228b667df1174730f4f78078eeccb833e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2343104ec8ec005ec72ba1574b0cbef1df1c96d96adb5b6add48d6176dc7ac6
[INFO] running `Command { std: "docker" "start" "-a" "d2343104ec8ec005ec72ba1574b0cbef1df1c96d96adb5b6add48d6176dc7ac6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling logos-codegen v0.15.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling term v1.0.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling pico-args v0.5.0
[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 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Skip`
[INFO] [stdout]  --> tokenizer/src/lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use logos::{Lexer, Logos, Skip};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> tokenizer/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> tokenizer/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stdout] warning: unused variable: `lex`
[INFO] [stdout]   --> tokenizer/src/lib.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn word_callback(lex: &mut Lexer<LexToken>) -> (usize, usize) {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_lex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tokenizer/src/lib.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let mut lex = LexToken::lexer(s);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_callback` is never used
[INFO] [stdout]   --> tokenizer/src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn word_callback(lex: &mut Lexer<LexToken>) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> tokenizer/src/lib.rs:261:19
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer {
[INFO] [stdout]     |                   ^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parsing v0.1.0 (/opt/rustwide/workdir/parsing)
[INFO] [stdout] warning: unused variable: `symbol`
[INFO] [stdout]    --> parsing/src/grammar.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |         for (index, symbol) in self.symbols.iter().enumerate() {
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 |                         let mut actions = actions.get_mut(&(src_state_index, Some(symbol))).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:129:33
[INFO] [stdout]     |
[INFO] [stdout] 129 | ...                   let mut actions = actions.get_mut(&(src_state_index, Some(symbol))).unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:134:29
[INFO] [stdout]     |
[INFO] [stdout] 134 |                         let mut actions = actions.get_mut(&(src_state_index, None)).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]    --> parsing/src/lr0.rs:278:17
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> parsing/src/lr0.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Node<'a>(Rc<NodeData<'a>>);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeData` is never constructed
[INFO] [stdout]   --> parsing/src/lr0.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct NodeData<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state`, `symbol`, and `actions` are never read
[INFO] [stdout]    --> parsing/src/lr0.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Conflict<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 183 |     state: StateIndex,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 184 |     symbol: Option<Symbol<'a>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 185 |     actions: Vec<Action<'a>>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Conflict` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> parsing/src/grammar.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         write!(f, "{lhs} ->");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let _ = write!(f, "{lhs} ->");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:403:23
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule {
[INFO] [stdout]     |                       ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:407:20
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                    ^^^^^         ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:418:22
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                      ^^^^^         ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:422:25
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                         ^^^^^         ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:426:19
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol> {
[INFO] [stdout]     |                   ^^^^^                        ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol<'_>> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:439:18
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule> {
[INFO] [stdout]     |                  ^^^^^         ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule<'_>> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:457:22
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol> {
[INFO] [stdout]     |                      ^^^^^             ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:479:26
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows {
[INFO] [stdout]     |                          ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/lr0.rs:154:22
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn conflicts(&self) -> Vec<Conflict> {
[INFO] [stdout]     |                      ^^^^^         ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn conflicts(&self) -> Vec<Conflict<'_>> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`, `any::Any`, `ops::Deref`, and `rc::Rc`
[INFO] [stdout]  --> parsing/src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{any::Any, collections::{HashMap, HashSet}, ops::Deref, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^                ^^^^^^^  ^^^^^^^   ^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lex`
[INFO] [stdout]   --> parsing/src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let lex = tokenizer::FirrtlLexer::new(&source);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_lex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling metagrammar v0.1.0 (/opt/rustwide/workdir/metagrammar)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> metagrammar/src/main.rs:486:25
[INFO] [stdout]     |
[INFO] [stdout] 483 |                         tokenizer::LexToken::KwAsClock => r#""asClock""#,
[INFO] [stdout]     |                         ------------------------------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 486 |                         tokenizer::LexToken::KwAsClock => r#""asClock""#,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> metagrammar/src/main.rs:489:25
[INFO] [stdout]     |
[INFO] [stdout] 487 |                         tokenizer::LexToken::KwAsAsyncReset => r#""asAsyncReset""#,
[INFO] [stdout]     |                         ----------------------------------- matches all the relevant values
[INFO] [stdout] 488 |                         tokenizer::LexToken::KwCvt => r#""cvt""#,
[INFO] [stdout] 489 |                         tokenizer::LexToken::KwAsAsyncReset => r#""asAsyncReset""#,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `es`
[INFO] [stdout]   --> metagrammar/src/main.rs:96:29
[INFO] [stdout]    |
[INFO] [stdout] 96 |             SymbolExpr::Seq(es) => vec![self.clone()],
[INFO] [stdout]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_es`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> metagrammar/src/main.rs:120:31
[INFO] [stdout]     |
[INFO] [stdout] 120 |             SymbolExpr::Group(e) => true,
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `es`
[INFO] [stdout]    --> metagrammar/src/main.rs:128:29
[INFO] [stdout]     |
[INFO] [stdout] 128 |             SymbolExpr::Alt(es) => todo!(),
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_es`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]    --> metagrammar/src/main.rs:227:58
[INFO] [stdout]     |
[INFO] [stdout] 227 |                 lalrpop_util::ParseError::InvalidToken { location } => todo!(),
[INFO] [stdout]     |                                                          ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]    --> metagrammar/src/main.rs:228:61
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 lalrpop_util::ParseError::UnrecognizedEof { location, expected } => todo!(),
[INFO] [stdout]     |                                                             ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> metagrammar/src/main.rs:228:71
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 lalrpop_util::ParseError::UnrecognizedEof { location, expected } => todo!(),
[INFO] [stdout]     |                                                                       ^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> metagrammar/src/main.rs:229:70
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 lalrpop_util::ParseError::UnrecognizedToken { token, expected } => {
[INFO] [stdout]     |                                                                      ^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> metagrammar/src/main.rs:235:56
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 lalrpop_util::ParseError::ExtraToken { token } => todo!(),
[INFO] [stdout]     |                                                        ^^^^^ help: try ignoring the field: `token: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> metagrammar/src/main.rs:236:50
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 lalrpop_util::ParseError::User { error } => todo!(),
[INFO] [stdout]     |                                                  ^^^^^ help: try ignoring the field: `error: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "d2343104ec8ec005ec72ba1574b0cbef1df1c96d96adb5b6add48d6176dc7ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2343104ec8ec005ec72ba1574b0cbef1df1c96d96adb5b6add48d6176dc7ac6", kill_on_drop: false }`
[INFO] [stdout] d2343104ec8ec005ec72ba1574b0cbef1df1c96d96adb5b6add48d6176dc7ac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac57deed6cf813dc93eb46eed4a033559def06fd2f1ec1bcd40e1862dd2edb1c
[INFO] running `Command { std: "docker" "start" "-a" "ac57deed6cf813dc93eb46eed4a033559def06fd2f1ec1bcd40e1862dd2edb1c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `logos::Filter`
[INFO] [stdout]  --> tokenizer/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use logos::Filter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Skip`
[INFO] [stdout]  --> tokenizer/src/lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use logos::{Lexer, Logos, Skip};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> tokenizer/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> tokenizer/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lex`
[INFO] [stdout]   --> tokenizer/src/lib.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn word_callback(lex: &mut Lexer<LexToken>) -> (usize, usize) {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_lex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tokenizer/src/lib.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let mut lex = LexToken::lexer(s);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_callback` is never used
[INFO] [stdout]   --> tokenizer/src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn word_callback(lex: &mut Lexer<LexToken>) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> tokenizer/src/lib.rs:261:19
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer {
[INFO] [stdout]     |                   ^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbol`
[INFO] [stdout]    --> parsing/src/grammar.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |         for (index, symbol) in self.symbols.iter().enumerate() {
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 |                         let mut actions = actions.get_mut(&(src_state_index, Some(symbol))).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:129:33
[INFO] [stdout]     |
[INFO] [stdout] 129 | ...                   let mut actions = actions.get_mut(&(src_state_index, Some(symbol))).unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:134:29
[INFO] [stdout]     |
[INFO] [stdout] 134 |                         let mut actions = actions.get_mut(&(src_state_index, None)).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]    --> parsing/src/lr0.rs:278:17
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> parsing/src/lr0.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Node<'a>(Rc<NodeData<'a>>);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeData` is never constructed
[INFO] [stdout]   --> parsing/src/lr0.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct NodeData<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state`, `symbol`, and `actions` are never read
[INFO] [stdout]    --> parsing/src/lr0.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Conflict<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 183 |     state: StateIndex,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 184 |     symbol: Option<Symbol<'a>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 185 |     actions: Vec<Action<'a>>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Conflict` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> parsing/src/grammar.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         write!(f, "{lhs} ->");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let _ = write!(f, "{lhs} ->");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:403:23
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule {
[INFO] [stdout]     |                       ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:407:20
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                    ^^^^^         ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:418:22
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                      ^^^^^         ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:422:25
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                         ^^^^^         ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:426:19
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol> {
[INFO] [stdout]     |                   ^^^^^                        ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol<'_>> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parsing v0.1.0 (/opt/rustwide/workdir/parsing)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:439:18
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule> {
[INFO] [stdout]     |                  ^^^^^         ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule<'_>> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokenizer v0.1.0 (/opt/rustwide/workdir/tokenizer)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:457:22
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol> {
[INFO] [stdout]     |                      ^^^^^             ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:479:26
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows {
[INFO] [stdout]     |                          ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/lr0.rs:154:22
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn conflicts(&self) -> Vec<Conflict> {
[INFO] [stdout]     |                      ^^^^^         ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn conflicts(&self) -> Vec<Conflict<'_>> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling metagrammar v0.1.0 (/opt/rustwide/workdir/metagrammar)
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`, `any::Any`, `ops::Deref`, and `rc::Rc`
[INFO] [stdout]  --> parsing/src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{any::Any, collections::{HashMap, HashSet}, ops::Deref, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^                ^^^^^^^  ^^^^^^^   ^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lex`
[INFO] [stdout]   --> parsing/src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let lex = tokenizer::FirrtlLexer::new(&source);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_lex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> metagrammar/src/main.rs:486:25
[INFO] [stdout]     |
[INFO] [stdout] 483 |                         tokenizer::LexToken::KwAsClock => r#""asClock""#,
[INFO] [stdout]     |                         ------------------------------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 486 |                         tokenizer::LexToken::KwAsClock => r#""asClock""#,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> metagrammar/src/main.rs:489:25
[INFO] [stdout]     |
[INFO] [stdout] 487 |                         tokenizer::LexToken::KwAsAsyncReset => r#""asAsyncReset""#,
[INFO] [stdout]     |                         ----------------------------------- matches all the relevant values
[INFO] [stdout] 488 |                         tokenizer::LexToken::KwCvt => r#""cvt""#,
[INFO] [stdout] 489 |                         tokenizer::LexToken::KwAsAsyncReset => r#""asAsyncReset""#,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> parsing/src/test.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let x = grammar.symbol("x").unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> parsing/src/test.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let x = grammar.symbol("x").unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> parsing/src/test.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let a = grammar.symbol("A").unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> parsing/src/test.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |     let c = grammar.symbol("C").unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> parsing/src/test.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let d = grammar.symbol("D").unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> parsing/src/test.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let e = grammar.symbol("E").unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> parsing/src/test.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let x = grammar.symbol("x").unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbol`
[INFO] [stdout]    --> parsing/src/grammar.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |         for (index, symbol) in self.symbols.iter().enumerate() {
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `es`
[INFO] [stdout]   --> metagrammar/src/main.rs:96:29
[INFO] [stdout]    |
[INFO] [stdout] 96 |             SymbolExpr::Seq(es) => vec![self.clone()],
[INFO] [stdout]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_es`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> metagrammar/src/main.rs:120:31
[INFO] [stdout]     |
[INFO] [stdout] 120 |             SymbolExpr::Group(e) => true,
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `es`
[INFO] [stdout]    --> metagrammar/src/main.rs:128:29
[INFO] [stdout]     |
[INFO] [stdout] 128 |             SymbolExpr::Alt(es) => todo!(),
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_es`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]    --> metagrammar/src/main.rs:227:58
[INFO] [stdout]     |
[INFO] [stdout] 227 |                 lalrpop_util::ParseError::InvalidToken { location } => todo!(),
[INFO] [stdout]     |                                                          ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]    --> metagrammar/src/main.rs:228:61
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 lalrpop_util::ParseError::UnrecognizedEof { location, expected } => todo!(),
[INFO] [stdout]     |                                                             ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> metagrammar/src/main.rs:228:71
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 lalrpop_util::ParseError::UnrecognizedEof { location, expected } => todo!(),
[INFO] [stdout]     |                                                                       ^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> metagrammar/src/main.rs:229:70
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 lalrpop_util::ParseError::UnrecognizedToken { token, expected } => {
[INFO] [stdout]     |                                                                      ^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> metagrammar/src/main.rs:235:56
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 lalrpop_util::ParseError::ExtraToken { token } => todo!(),
[INFO] [stdout]     |                                                        ^^^^^ help: try ignoring the field: `token: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> metagrammar/src/main.rs:236:50
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 lalrpop_util::ParseError::User { error } => todo!(),
[INFO] [stdout]     |                                                  ^^^^^ help: try ignoring the field: `error: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 |                         let mut actions = actions.get_mut(&(src_state_index, Some(symbol))).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:129:33
[INFO] [stdout]     |
[INFO] [stdout] 129 | ...                   let mut actions = actions.get_mut(&(src_state_index, Some(symbol))).unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parsing/src/lr0.rs:134:29
[INFO] [stdout]     |
[INFO] [stdout] 134 |                         let mut actions = actions.get_mut(&(src_state_index, None)).unwrap();
[INFO] [stdout]     |                             ----^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]    --> parsing/src/lr0.rs:278:17
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> parsing/src/lr0.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Node<'a>(Rc<NodeData<'a>>);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeData` is never constructed
[INFO] [stdout]   --> parsing/src/lr0.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct NodeData<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state`, `symbol`, and `actions` are never read
[INFO] [stdout]    --> parsing/src/lr0.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Conflict<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 183 |     state: StateIndex,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 184 |     symbol: Option<Symbol<'a>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 185 |     actions: Vec<Action<'a>>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Conflict` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> parsing/src/grammar.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         write!(f, "{lhs} ->");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let _ = write!(f, "{lhs} ->");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:403:23
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule {
[INFO] [stdout]     |                       ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn start_rule(&self) -> Rule<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:407:20
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                    ^^^^^         ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn symbols(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:418:22
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                      ^^^^^         ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn terminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:422:25
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol> {
[INFO] [stdout]     |                         ^^^^^         ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn nonterminals(&self) -> Vec<Symbol<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:426:19
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol> {
[INFO] [stdout]     |                   ^^^^^                        ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub fn symbol(&self, name: &str) -> Option<Symbol<'_>> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:439:18
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule> {
[INFO] [stdout]     |                  ^^^^^         ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 439 |     pub fn rules(&self) -> Vec<Rule<'_>> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:457:22
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol> {
[INFO] [stdout]     |                      ^^^^^             ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn nullables(&self) -> HashSet<Symbol<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/grammar.rs:479:26
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows {
[INFO] [stdout]     |                          ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn first_follows(&self) -> FirstFollows<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> parsing/src/lr0.rs:154:22
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn conflicts(&self) -> Vec<Conflict> {
[INFO] [stdout]     |                      ^^^^^         ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn conflicts(&self) -> Vec<Conflict<'_>> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `logos::Filter`
[INFO] [stdout]  --> tokenizer/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use logos::Filter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Skip`
[INFO] [stdout]  --> tokenizer/src/lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use logos::{Lexer, Logos, Skip};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> tokenizer/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> tokenizer/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lex`
[INFO] [stdout]   --> tokenizer/src/lib.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn word_callback(lex: &mut Lexer<LexToken>) -> (usize, usize) {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_lex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tokenizer/src/lib.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let mut lex = LexToken::lexer(s);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_callback` is never used
[INFO] [stdout]   --> tokenizer/src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn word_callback(lex: &mut Lexer<LexToken>) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> tokenizer/src/lib.rs:261:19
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer {
[INFO] [stdout]     |                   ^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub fn new(s: &str) -> FirrtlLexer<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "ac57deed6cf813dc93eb46eed4a033559def06fd2f1ec1bcd40e1862dd2edb1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac57deed6cf813dc93eb46eed4a033559def06fd2f1ec1bcd40e1862dd2edb1c", kill_on_drop: false }`
[INFO] [stdout] ac57deed6cf813dc93eb46eed4a033559def06fd2f1ec1bcd40e1862dd2edb1c