[INFO] cloning repository https://github.com/apskhem/c-webassembly
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/apskhem/c-webassembly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapskhem%2Fc-webassembly", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapskhem%2Fc-webassembly'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c18e9c1bca70d8e3a8cc545e1943cecf94c23da
[INFO] testing apskhem/c-webassembly against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapskhem%2Fc-webassembly" "/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/apskhem/c-webassembly
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/apskhem/c-webassembly
[INFO] tweaked toml for git repo https://github.com/apskhem/c-webassembly written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/apskhem/c-webassembly on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/apskhem/c-webassembly 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded doc-comment v0.3.3
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.3
[INFO] [stderr]   Downloaded predicates-core v1.0.2
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded owo-colors v2.1.0
[INFO] [stderr]   Downloaded predicates v2.0.2
[INFO] [stderr]   Downloaded structopt v0.3.23
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.8.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[INFO] [stderr]   Downloaded itertools v0.10.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded assert_cmd v2.0.1
[INFO] [stderr]   Downloaded structopt-derive v0.4.16
[INFO] [stderr]   Downloaded syn v1.0.78
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded libc v0.2.102
[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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f67dffd1447d98e71c00f9867b6ff36efaae8a2153c9052c2f7964e9dc0ee80f
[INFO] running `Command { std: "docker" "start" "-a" "f67dffd1447d98e71c00f9867b6ff36efaae8a2153c9052c2f7964e9dc0ee80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f67dffd1447d98e71c00f9867b6ff36efaae8a2153c9052c2f7964e9dc0ee80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f67dffd1447d98e71c00f9867b6ff36efaae8a2153c9052c2f7964e9dc0ee80f", kill_on_drop: false }`
[INFO] [stdout] f67dffd1447d98e71c00f9867b6ff36efaae8a2153c9052c2f7964e9dc0ee80f
[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 -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0faf96a530647c33bf94fbf7f3f6e8885ca87cdb69a7c91f0d6dc5fbef290a9a
[INFO] running `Command { std: "docker" "start" "-a" "0faf96a530647c33bf94fbf7f3f6e8885ca87cdb69a7c91f0d6dc5fbef290a9a", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling owo-colors v2.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling c-webassembly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]    --> src/token.rs:163:31
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let RawToken { value, range } = value;
[INFO] [stdout]     |                               ^^^^^ help: try ignoring the field: `range: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let ast = parser::parse_syntax(&tokens)?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Comment` is more private than the item `TokenGrammar::Comment::0`
[INFO] [stdout]   --> src/token_grammar.rs:9:13
[INFO] [stdout]    |
[INFO] [stdout] 9  |     Comment(Comment),
[INFO] [stdout]    |             ^^^^^^^ field `TokenGrammar::Comment::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Comment` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum Comment {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Keyword` is more private than the item `TokenGrammar::Keyword::0`
[INFO] [stdout]   --> src/token_grammar.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Keyword(Keyword),
[INFO] [stdout]    |             ^^^^^^^ field `TokenGrammar::Keyword::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Keyword` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Keyword {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Type` is more private than the item `TokenGrammar::Type::0`
[INFO] [stdout]   --> src/token_grammar.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Type(Type),
[INFO] [stdout]    |          ^^^^ field `TokenGrammar::Type::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Type` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Type {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Identifier` is more private than the item `TokenGrammar::Identifier::0`
[INFO] [stdout]   --> src/token_grammar.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Identifier(Identifier),
[INFO] [stdout]    |                ^^^^^^^^^^ field `TokenGrammar::Identifier::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Identifier` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum Identifier {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Literal` is more private than the item `TokenGrammar::Literal::0`
[INFO] [stdout]   --> src/token_grammar.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Literal(Literal),
[INFO] [stdout]    |             ^^^^^^^ field `TokenGrammar::Literal::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Literal` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum Literal {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Symbol` is more private than the item `TokenGrammar::Symbol::0`
[INFO] [stdout]   --> src/token_grammar.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Symbol(Symbol)
[INFO] [stdout]    |            ^^^^^^ field `TokenGrammar::Symbol::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Symbol` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | enum Symbol {
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_file` is never used
[INFO] [stdout]  --> src/io.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn write_file(path: &str, buf: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GrammarError` is never used
[INFO] [stdout]   --> src/grammar.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum GrammarError {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GlobalDeclaration` is never constructed
[INFO] [stdout]    --> src/grammar.rs:307:12
[INFO] [stdout]     |
[INFO] [stdout] 307 | pub struct GlobalDeclaration {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `value` and `range` are never used
[INFO] [stdout]    --> src/token.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl<'a> RawToken<'a> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn value(&self) -> &str {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub const fn range(&self) -> &Range<usize> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Comment` is never constructed
[INFO] [stdout]  --> src/token_grammar.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum TokenGrammar {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 9 |     Comment(Comment),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TokenGrammar` 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: variant `Any` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum Comment {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 19 |     Any
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Comment` 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: variant `Any` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Keyword {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 24 |     ByOriginal(token::Keyword),
[INFO] [stdout] 25 |     Any
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Keyword` 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: variant `ByOriginal` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Type {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 30 |     ByOriginal(token::Type),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` 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: variant `Any` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum Literal {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 43 |     Any
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` 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: variant `Any` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | enum Symbol {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 51 |     Any
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` 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: associated functions `any_comment`, `any_keyword`, `from_type`, `any_literal`, and `any_symbol` are never used
[INFO] [stdout]    --> src/token_grammar.rs:129:18
[INFO] [stdout]     |
[INFO] [stdout] 54  | impl TokenGrammar {
[INFO] [stdout]     | ----------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub const fn any_comment() -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub const fn any_keyword() -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub const fn from_type(o: token::Type) -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |     pub const fn any_literal() -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub const fn any_symbol() -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ln` and `col` are never used
[INFO] [stdout]   --> src/tokenizer.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl CharPositionCounter {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     const fn ln(&self) -> usize {
[INFO] [stdout]    |              ^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     const fn col(&self) -> usize {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `outfile` and `opt_level` are never read
[INFO] [stdout]   --> src/cli.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Opt {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     outfile: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     opt_level: Option<OptLevel>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `opt_level` is never used
[INFO] [stdout]   --> src/cli.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Opt {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn opt_level(&self) -> OptLevel {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/grammar.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn current(&self) -> &GrammarQuantifier {
[INFO] [stdout]     |                    ^^^^^     ------------------
[INFO] [stdout]     |                    |         ||
[INFO] [stdout]     |                    |         |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    |         the lifetimes get resolved as `'_`
[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] 119 |     pub fn current(&self) -> &GrammarQuantifier<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/tokenizer.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn tokenize(text: &str) -> Result<Vec<token::Token>, Box<dyn Error>> {
[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] 58 | pub fn tokenize(text: &str) -> Result<Vec<token::Token<'_>>, Box<dyn Error>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "0faf96a530647c33bf94fbf7f3f6e8885ca87cdb69a7c91f0d6dc5fbef290a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0faf96a530647c33bf94fbf7f3f6e8885ca87cdb69a7c91f0d6dc5fbef290a9a", kill_on_drop: false }`
[INFO] [stdout] 0faf96a530647c33bf94fbf7f3f6e8885ca87cdb69a7c91f0d6dc5fbef290a9a
[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 -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a16b6cecb82ddcad1234c73c6f371b9727cbd05ab1fe507bd64b742e15c7e560
[INFO] running `Command { std: "docker" "start" "-a" "a16b6cecb82ddcad1234c73c6f371b9727cbd05ab1fe507bd64b742e15c7e560", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling c-webassembly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling predicates-tree v1.0.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]    --> src/token.rs:163:31
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let RawToken { value, range } = value;
[INFO] [stdout]     |                               ^^^^^ help: try ignoring the field: `range: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let ast = parser::parse_syntax(&tokens)?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Comment` is more private than the item `TokenGrammar::Comment::0`
[INFO] [stdout]   --> src/token_grammar.rs:9:13
[INFO] [stdout]    |
[INFO] [stdout] 9  |     Comment(Comment),
[INFO] [stdout]    |             ^^^^^^^ field `TokenGrammar::Comment::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Comment` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum Comment {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Keyword` is more private than the item `TokenGrammar::Keyword::0`
[INFO] [stdout]   --> src/token_grammar.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Keyword(Keyword),
[INFO] [stdout]    |             ^^^^^^^ field `TokenGrammar::Keyword::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Keyword` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Keyword {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Type` is more private than the item `TokenGrammar::Type::0`
[INFO] [stdout]   --> src/token_grammar.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Type(Type),
[INFO] [stdout]    |          ^^^^ field `TokenGrammar::Type::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Type` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Type {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Identifier` is more private than the item `TokenGrammar::Identifier::0`
[INFO] [stdout]   --> src/token_grammar.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Identifier(Identifier),
[INFO] [stdout]    |                ^^^^^^^^^^ field `TokenGrammar::Identifier::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Identifier` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum Identifier {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Literal` is more private than the item `TokenGrammar::Literal::0`
[INFO] [stdout]   --> src/token_grammar.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Literal(Literal),
[INFO] [stdout]    |             ^^^^^^^ field `TokenGrammar::Literal::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Literal` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum Literal {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Symbol` is more private than the item `TokenGrammar::Symbol::0`
[INFO] [stdout]   --> src/token_grammar.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Symbol(Symbol)
[INFO] [stdout]    |            ^^^^^^ field `TokenGrammar::Symbol::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Symbol` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | enum Symbol {
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_file` is never used
[INFO] [stdout]  --> src/io.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn write_file(path: &str, buf: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GrammarError` is never used
[INFO] [stdout]   --> src/grammar.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum GrammarError {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GlobalDeclaration` is never constructed
[INFO] [stdout]    --> src/grammar.rs:307:12
[INFO] [stdout]     |
[INFO] [stdout] 307 | pub struct GlobalDeclaration {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `value` and `range` are never used
[INFO] [stdout]    --> src/token.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl<'a> RawToken<'a> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn value(&self) -> &str {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub const fn range(&self) -> &Range<usize> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Comment` is never constructed
[INFO] [stdout]  --> src/token_grammar.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum TokenGrammar {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 9 |     Comment(Comment),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TokenGrammar` 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: variant `Any` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum Comment {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 19 |     Any
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Comment` 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: variant `Any` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Keyword {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 24 |     ByOriginal(token::Keyword),
[INFO] [stdout] 25 |     Any
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Keyword` 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: variant `ByOriginal` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Type {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 30 |     ByOriginal(token::Type),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` 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: variant `Any` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum Literal {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 43 |     Any
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` 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: variant `Any` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | enum Symbol {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 51 |     Any
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` 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: associated functions `any_comment`, `any_keyword`, `from_type`, `any_literal`, and `any_symbol` are never used
[INFO] [stdout]    --> src/token_grammar.rs:129:18
[INFO] [stdout]     |
[INFO] [stdout] 54  | impl TokenGrammar {
[INFO] [stdout]     | ----------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub const fn any_comment() -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub const fn any_keyword() -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub const fn from_type(o: token::Type) -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |     pub const fn any_literal() -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub const fn any_symbol() -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ln` and `col` are never used
[INFO] [stdout]   --> src/tokenizer.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl CharPositionCounter {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     const fn ln(&self) -> usize {
[INFO] [stdout]    |              ^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     const fn col(&self) -> usize {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `outfile` and `opt_level` are never read
[INFO] [stdout]   --> src/cli.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Opt {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     outfile: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     opt_level: Option<OptLevel>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `opt_level` is never used
[INFO] [stdout]   --> src/cli.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Opt {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn opt_level(&self) -> OptLevel {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/grammar.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn current(&self) -> &GrammarQuantifier {
[INFO] [stdout]     |                    ^^^^^     ------------------
[INFO] [stdout]     |                    |         ||
[INFO] [stdout]     |                    |         |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    |         the lifetimes get resolved as `'_`
[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] 119 |     pub fn current(&self) -> &GrammarQuantifier<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/tokenizer.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn tokenize(text: &str) -> Result<Vec<token::Token>, Box<dyn Error>> {
[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] 58 | pub fn tokenize(text: &str) -> Result<Vec<token::Token<'_>>, Box<dyn Error>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling predicates v2.0.2
[INFO] [stderr]    Compiling assert_cmd v2.0.1
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]    --> src/token.rs:163:31
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let RawToken { value, range } = value;
[INFO] [stdout]     |                               ^^^^^ help: try ignoring the field: `range: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let ast = parser::parse_syntax(&tokens)?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Comment` is more private than the item `TokenGrammar::Comment::0`
[INFO] [stdout]   --> src/token_grammar.rs:9:13
[INFO] [stdout]    |
[INFO] [stdout] 9  |     Comment(Comment),
[INFO] [stdout]    |             ^^^^^^^ field `TokenGrammar::Comment::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Comment` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum Comment {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Keyword` is more private than the item `TokenGrammar::Keyword::0`
[INFO] [stdout]   --> src/token_grammar.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Keyword(Keyword),
[INFO] [stdout]    |             ^^^^^^^ field `TokenGrammar::Keyword::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Keyword` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Keyword {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Type` is more private than the item `TokenGrammar::Type::0`
[INFO] [stdout]   --> src/token_grammar.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Type(Type),
[INFO] [stdout]    |          ^^^^ field `TokenGrammar::Type::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Type` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Type {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Identifier` is more private than the item `TokenGrammar::Identifier::0`
[INFO] [stdout]   --> src/token_grammar.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Identifier(Identifier),
[INFO] [stdout]    |                ^^^^^^^^^^ field `TokenGrammar::Identifier::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Identifier` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum Identifier {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Literal` is more private than the item `TokenGrammar::Literal::0`
[INFO] [stdout]   --> src/token_grammar.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Literal(Literal),
[INFO] [stdout]    |             ^^^^^^^ field `TokenGrammar::Literal::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Literal` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum Literal {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `token_grammar::Symbol` is more private than the item `TokenGrammar::Symbol::0`
[INFO] [stdout]   --> src/token_grammar.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Symbol(Symbol)
[INFO] [stdout]    |            ^^^^^^ field `TokenGrammar::Symbol::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `token_grammar::Symbol` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/token_grammar.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | enum Symbol {
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_file` is never used
[INFO] [stdout]  --> src/io.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn write_file(path: &str, buf: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GrammarError` is never used
[INFO] [stdout]   --> src/grammar.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum GrammarError {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GlobalDeclaration` is never constructed
[INFO] [stdout]    --> src/grammar.rs:307:12
[INFO] [stdout]     |
[INFO] [stdout] 307 | pub struct GlobalDeclaration {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `value` and `range` are never used
[INFO] [stdout]    --> src/token.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl<'a> RawToken<'a> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn value(&self) -> &str {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub const fn range(&self) -> &Range<usize> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Comment` is never constructed
[INFO] [stdout]  --> src/token_grammar.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum TokenGrammar {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 9 |     Comment(Comment),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TokenGrammar` 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: variant `Any` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum Comment {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 19 |     Any
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Comment` 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: variant `Any` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Keyword {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 24 |     ByOriginal(token::Keyword),
[INFO] [stdout] 25 |     Any
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Keyword` 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: variant `ByOriginal` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Type {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 30 |     ByOriginal(token::Type),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` 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: variant `Any` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum Literal {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 43 |     Any
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` 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: variant `Any` is never constructed
[INFO] [stdout]   --> src/token_grammar.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | enum Symbol {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 51 |     Any
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` 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: associated functions `any_comment`, `any_keyword`, `from_type`, `any_literal`, and `any_symbol` are never used
[INFO] [stdout]    --> src/token_grammar.rs:129:18
[INFO] [stdout]     |
[INFO] [stdout] 54  | impl TokenGrammar {
[INFO] [stdout]     | ----------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub const fn any_comment() -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub const fn any_keyword() -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub const fn from_type(o: token::Type) -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |     pub const fn any_literal() -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub const fn any_symbol() -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ln` and `col` are never used
[INFO] [stdout]   --> src/tokenizer.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl CharPositionCounter {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     const fn ln(&self) -> usize {
[INFO] [stdout]    |              ^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     const fn col(&self) -> usize {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `outfile` and `opt_level` are never read
[INFO] [stdout]   --> src/cli.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Opt {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     outfile: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     opt_level: Option<OptLevel>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `opt_level` is never used
[INFO] [stdout]   --> src/cli.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Opt {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn opt_level(&self) -> OptLevel {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/grammar.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn current(&self) -> &GrammarQuantifier {
[INFO] [stdout]     |                    ^^^^^     ------------------
[INFO] [stdout]     |                    |         ||
[INFO] [stdout]     |                    |         |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    |         the lifetimes get resolved as `'_`
[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] 119 |     pub fn current(&self) -> &GrammarQuantifier<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/tokenizer.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn tokenize(text: &str) -> Result<Vec<token::Token>, Box<dyn Error>> {
[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] 58 | pub fn tokenize(text: &str) -> Result<Vec<token::Token<'_>>, Box<dyn Error>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.50s
[INFO] running `Command { std: "docker" "inspect" "a16b6cecb82ddcad1234c73c6f371b9727cbd05ab1fe507bd64b742e15c7e560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16b6cecb82ddcad1234c73c6f371b9727cbd05ab1fe507bd64b742e15c7e560", kill_on_drop: false }`
[INFO] [stdout] a16b6cecb82ddcad1234c73c6f371b9727cbd05ab1fe507bd64b742e15c7e560
[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 -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9eba69e6947af6b3d1de8c71636e80c72f21bd6b9734951edde9db2d670d829
[INFO] running `Command { std: "docker" "start" "-a" "a9eba69e6947af6b3d1de8c71636e80c72f21bd6b9734951edde9db2d670d829", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: unused variable: `range`
[INFO] [stderr]    --> src/token.rs:163:31
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let RawToken { value, range } = value;
[INFO] [stderr]     |                               ^^^^^ help: try ignoring the field: `range: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ast`
[INFO] [stderr]   --> src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let ast = parser::parse_syntax(&tokens)?;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stderr] 
[INFO] [stderr] warning: type `token_grammar::Comment` is more private than the item `TokenGrammar::Comment::0`
[INFO] [stderr]   --> src/token_grammar.rs:9:13
[INFO] [stderr]    |
[INFO] [stderr] 9  |     Comment(Comment),
[INFO] [stderr]    |             ^^^^^^^ field `TokenGrammar::Comment::0` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `token_grammar::Comment` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/token_grammar.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | enum Comment {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `token_grammar::Keyword` is more private than the item `TokenGrammar::Keyword::0`
[INFO] [stderr]   --> src/token_grammar.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Keyword(Keyword),
[INFO] [stderr]    |             ^^^^^^^ field `TokenGrammar::Keyword::0` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `token_grammar::Keyword` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/token_grammar.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | enum Keyword {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `token_grammar::Type` is more private than the item `TokenGrammar::Type::0`
[INFO] [stderr]   --> src/token_grammar.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Type(Type),
[INFO] [stderr]    |          ^^^^ field `TokenGrammar::Type::0` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `token_grammar::Type` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/token_grammar.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | enum Type {
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `token_grammar::Identifier` is more private than the item `TokenGrammar::Identifier::0`
[INFO] [stderr]   --> src/token_grammar.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Identifier(Identifier),
[INFO] [stderr]    |                ^^^^^^^^^^ field `TokenGrammar::Identifier::0` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `token_grammar::Identifier` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/token_grammar.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | enum Identifier {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `token_grammar::Literal` is more private than the item `TokenGrammar::Literal::0`
[INFO] [stderr]   --> src/token_grammar.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Literal(Literal),
[INFO] [stderr]    |             ^^^^^^^ field `TokenGrammar::Literal::0` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `token_grammar::Literal` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/token_grammar.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | enum Literal {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `token_grammar::Symbol` is more private than the item `TokenGrammar::Symbol::0`
[INFO] [stderr]   --> src/token_grammar.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Symbol(Symbol)
[INFO] [stderr]    |            ^^^^^^ field `TokenGrammar::Symbol::0` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `token_grammar::Symbol` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/token_grammar.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | enum Symbol {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `write_file` is never used
[INFO] [stderr]  --> src/io.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn write_file(path: &str, buf: &[u8]) -> std::io::Result<()> {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `GrammarError` is never used
[INFO] [stderr]   --> src/grammar.rs:25:10
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub enum GrammarError {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `GlobalDeclaration` is never constructed
[INFO] [stderr]    --> src/grammar.rs:307:12
[INFO] [stderr]     |
[INFO] [stderr] 307 | pub struct GlobalDeclaration {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `value` and `range` are never used
[INFO] [stderr]    --> src/token.rs:150:12
[INFO] [stderr]     |
[INFO] [stderr] 142 | impl<'a> RawToken<'a> {
[INFO] [stderr]     | --------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 150 |     pub fn value(&self) -> &str {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 154 |     pub const fn range(&self) -> &Range<usize> {
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Comment` is never constructed
[INFO] [stderr]  --> src/token_grammar.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum TokenGrammar {
[INFO] [stderr]   |          ------------ variant in this enum
[INFO] [stderr] 9 |     Comment(Comment),
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `TokenGrammar` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Any` is never constructed
[INFO] [stderr]   --> src/token_grammar.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | enum Comment {
[INFO] [stderr]    |      ------- variant in this enum
[INFO] [stderr] 19 |     Any
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Comment` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Any` is never constructed
[INFO] [stderr]   --> src/token_grammar.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | enum Keyword {
[INFO] [stderr]    |      ------- variant in this enum
[INFO] [stderr] 24 |     ByOriginal(token::Keyword),
[INFO] [stderr] 25 |     Any
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Keyword` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ByOriginal` is never constructed
[INFO] [stderr]   --> src/token_grammar.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | enum Type {
[INFO] [stderr]    |      ---- variant in this enum
[INFO] [stderr] 30 |     ByOriginal(token::Type),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Any` is never constructed
[INFO] [stderr]   --> src/token_grammar.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | enum Literal {
[INFO] [stderr]    |      ------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 43 |     Any
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Literal` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Any` is never constructed
[INFO] [stderr]   --> src/token_grammar.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | enum Symbol {
[INFO] [stderr]    |      ------ variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 51 |     Any
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Symbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `any_comment`, `any_keyword`, `from_type`, `any_literal`, and `any_symbol` are never used
[INFO] [stderr]    --> src/token_grammar.rs:129:18
[INFO] [stderr]     |
[INFO] [stderr] 54  | impl TokenGrammar {
[INFO] [stderr]     | ----------------- associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 129 |     pub const fn any_comment() -> Self {
[INFO] [stderr]     |                  ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 137 |     pub const fn any_keyword() -> Self {
[INFO] [stderr]     |                  ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 141 |     pub const fn from_type(o: token::Type) -> Self {
[INFO] [stderr]     |                  ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 161 |     pub const fn any_literal() -> Self {
[INFO] [stderr]     |                  ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 177 |     pub const fn any_symbol() -> Self {
[INFO] [stderr]     |                  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `ln` and `col` are never used
[INFO] [stderr]   --> src/tokenizer.rs:42:14
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl CharPositionCounter {
[INFO] [stderr]    | ------------------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 42 |     const fn ln(&self) -> usize {
[INFO] [stderr]    |              ^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |     const fn col(&self) -> usize {
[INFO] [stderr]    |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `outfile` and `opt_level` are never read
[INFO] [stderr]   --> src/cli.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | pub struct Opt {
[INFO] [stderr]    |            --- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 11 |     outfile: Option<String>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     opt_level: Option<OptLevel>,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `opt_level` is never used
[INFO] [stderr]   --> src/cli.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Opt {
[INFO] [stderr]    | -------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn opt_level(&self) -> OptLevel {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/grammar.rs:119:20
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn current(&self) -> &GrammarQuantifier {
[INFO] [stderr]     |                    ^^^^^     ------------------
[INFO] [stderr]     |                    |         ||
[INFO] [stderr]     |                    |         |the lifetimes get resolved as `'_`
[INFO] [stderr]     |                    |         the lifetimes get resolved as `'_`
[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] 119 |     pub fn current(&self) -> &GrammarQuantifier<'_> {
[INFO] [stderr]     |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/tokenizer.rs:58:23
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn tokenize(text: &str) -> Result<Vec<token::Token>, Box<dyn Error>> {
[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] 58 | pub fn tokenize(text: &str) -> Result<Vec<token::Token<'_>>, Box<dyn Error>> {
[INFO] [stderr]    |                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `c-webassembly` (bin "c-webassembly" test) generated 24 warnings
[INFO] [stderr] warning: `c-webassembly` (bin "c-webassembly") generated 24 warnings (24 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/c_webassembly-1130ad8ce7a7cb07)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::name ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::name stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::name' panicked at src/lib.rs:28:9:
[INFO] [stdout] not implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x719d53ab86c2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x719d53ab86c2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x719d53ab86c2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x719d53ab86c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x719d53b09283 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x719d53b09283 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x719d53aac4d3 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x719d53aac4d3 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x719d53ab8512 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x719d53abc1ec - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x719d53abc042 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x58d78695bec4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x58d78695bec4 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x719d53abcd3b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x719d53abcd3b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x719d53abc9d6 - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x719d53ab8bc9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x719d53abc69d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x719d53b04690 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x719d53b046fc - core::panicking::panic::h318cb8731d7e290d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x58d7869228ea - c_webassembly::tests::name::h1317fa3a21e609c8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:28:9
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]   21:     0x58d7869228ea - c_webassembly::tests::name::{{closure}}::h5b8251bb408c0c8f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:27:14
[INFO] [stdout]   22:     0x58d7869228ea - core::ops::function::FnOnce::call_once::h4ebd0dc33a454c7e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x58d78696164b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x58d78696164b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   25:     0x58d78696083e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   26:     0x58d78696083e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x58d78696083e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x58d78696083e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x58d78696083e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x58d78696083e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   31:     0x58d78696083e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   32:     0x58d7869243b4 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   33:     0x58d7869243b4 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x58d786927d8a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x58d786927d8a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x58d786927d8a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   37:     0x58d786927d8a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   38:     0x58d786927d8a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x58d786927d8a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x58d786927d8a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x719d53ac1537 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x719d53ac1537 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x719d53ac1537 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   44:     0x719d5382baa4 - <unknown>
[INFO] [stdout]   45:     0x719d538b8a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::name
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a9eba69e6947af6b3d1de8c71636e80c72f21bd6b9734951edde9db2d670d829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9eba69e6947af6b3d1de8c71636e80c72f21bd6b9734951edde9db2d670d829", kill_on_drop: false }`
[INFO] [stdout] a9eba69e6947af6b3d1de8c71636e80c72f21bd6b9734951edde9db2d670d829
