[INFO] cloning repository https://github.com/MonliH/fluo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MonliH/fluo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonliH%2Ffluo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonliH%2Ffluo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e794dc9217e962971ec52b52db881cb970c4e625
[INFO] checking MonliH/fluo against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonliH%2Ffluo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MonliH/fluo
[INFO] finished tweaking git repo https://github.com/MonliH/fluo
[INFO] tweaked toml for git repo https://github.com/MonliH/fluo written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MonliH/fluo on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MonliH/fluo 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ba8df4d5dc4f9f09459f0f446f10a52242ad042cbbcb9539595d47067ce83181
[INFO] running `Command { std: "docker" "start" "ba8df4d5dc4f9f09459f0f446f10a52242ad042cbbcb9539595d47067ce83181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba8df4d5dc4f9f09459f0f446f10a52242ad042cbbcb9539595d47067ce83181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ba8df4d5dc4f9f09459f0f446f10a52242ad042cbbcb9539595d47067ce83181" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba8df4d5dc4f9f09459f0f446f10a52242ad042cbbcb9539595d47067ce83181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ba8df4d5dc4f9f09459f0f446f10a52242ad042cbbcb9539595d47067ce83181" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fluoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `FileId` is never constructed
[INFO] [stdout]   --> src/common/diagnostic.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct FileId(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: struct `Span` is never constructed
[INFO] [stdout]   --> src/common/diagnostic.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Span {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tagged` is never constructed
[INFO] [stdout]   --> src/common/diagnostic.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Tagged<V: Debug, T: Debug>(pub V, pub T);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Spanned` is never used
[INFO] [stdout]   --> src/common/diagnostic.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub type Spanned<T> = Tagged<T, Span>;
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Failable` is never used
[INFO] [stdout]   --> src/common/diagnostic.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type Failable<T> = Result<T, Diagnostic>;
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `single_char` are never used
[INFO] [stdout]   --> src/common/diagnostic.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Span {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 26 |     pub fn new(s: usize, e: usize, fid: FileId) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn single_char(s: usize, fid: FileId) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Diagnostic` is never constructed
[INFO] [stdout]   --> src/common/diagnostic.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Diagnostic {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `new_owned`, `with_annot_owned`, `with_annot`, and `with_annot_no_msg` are never used
[INFO] [stdout]   --> src/common/diagnostic.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Diagnostic {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 50 |     pub fn new(ty: ErrorType, msg: &'static str, span: Span) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn new_owned(ty: ErrorType, msg: String, span: Span) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn with_annot_owned(mut self, msg: String, span: Span) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn with_annot(mut self, msg: &'static str, span: Span) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn with_annot_no_msg(mut self, span: Span) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Annotation` is never constructed
[INFO] [stdout]   --> src/common/diagnostic.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct Annotation {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new_owned`, `new_msgless`, and `new` are never used
[INFO] [stdout]    --> src/common/diagnostic.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 109 | impl Annotation {
[INFO] [stdout]     | --------------- associated functions in this implementation
[INFO] [stdout] 110 |     pub fn new_owned(msg: String, span: Span) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn new_msgless(span: Span) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn new(msg: &'static str, span: Span) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ErrorType` is never used
[INFO] [stdout]    --> src/common/diagnostic.rs:130:10
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub enum ErrorType {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StrId` is never constructed
[INFO] [stdout]  --> src/common/interner.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct StrId(pub usize);
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inner` is never used
[INFO] [stdout]   --> src/common/interner.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl StrId {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 11 |     pub fn inner(self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interner` is never constructed
[INFO] [stdout]   --> src/common/interner.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Interner {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_capacity`, `intern`, `lookup`, and `alloc` are never used
[INFO] [stdout]   --> src/common/interner.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Interner {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 25 |     pub fn with_capacity(cap: usize) -> Interner {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn intern(&mut self, name: &str) -> StrId {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn lookup(&self, id: StrId) -> &str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     unsafe fn alloc(&mut self, name: &str) -> &'static str {
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Statement` is never used
[INFO] [stdout]  --> src/frontend/ast.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Statement {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]  --> src/frontend/ast.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Expr {}
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]  --> src/frontend/lex.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Lexer<'a> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]   --> src/frontend/lex.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Token {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EOF` is never used
[INFO] [stdout]   --> src/frontend/lex.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 | const EOF: char = '\0';
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/frontend/lex.rs:50:12
[INFO] [stdout]     |
[INFO] [stdout]  49 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout]  50 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  63 |     pub fn next_token(&mut self) -> Failable<Spanned<Token>> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn is_operator(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn eat(&mut self) -> char {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     fn peek_char(&mut self) -> char {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn is_id_start(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn is_id_continue(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     fn is_eof(&mut self) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     fn is_whitespace(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn consume_while(&mut self, first: char, predicate: impl Fn(char) -> bool) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     fn consume_until(&mut self, predicate: impl Fn(char) -> bool) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `token` is never read
[INFO] [stdout]    --> src/frontend/lex.rs:205:25
[INFO] [stdout]     |
[INFO] [stdout] 205 |                           token += 1;
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 | /     match_tokens!(
[INFO] [stdout] 224 | |         atom_test,
[INFO] [stdout] 225 | |         "(:testing ok)",
[INFO] [stdout] 226 | |         {0 => "testing", 1 => "ok"},
[INFO] [stdout] ...   |
[INFO] [stdout] 230 | |         Token::RParen
[INFO] [stdout] 231 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `match_tokens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `token` is never read
[INFO] [stdout]    --> src/frontend/lex.rs:205:25
[INFO] [stdout]     |
[INFO] [stdout] 205 |                           token += 1;
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 233 | /     match_tokens!(
[INFO] [stdout] 234 | |         ident_with_space,
[INFO] [stdout] 235 | |         "abc efghijklmno_pqrstuvwxyz _QWERTYUIOP ASDFGHJKL ZXCVBNM",
[INFO] [stdout] ...   |
[INFO] [stdout] 247 | |         Token::Ident(StrId(4))
[INFO] [stdout] 248 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in the macro `match_tokens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/common/diagnostic.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct FileId(usize);
[INFO] [stdout]    |            ------ ^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `FileId` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `single_char` is never used
[INFO] [stdout]   --> src/common/diagnostic.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Span {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn single_char(s: usize, fid: FileId) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/common/diagnostic.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Diagnostic {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 45 |     span: Span,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Diagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_owned`, `with_annot_owned`, and `with_annot` are never used
[INFO] [stdout]   --> src/common/diagnostic.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Diagnostic {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn new_owned(ty: ErrorType, msg: String, span: Span) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn with_annot_owned(mut self, msg: String, span: Span) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn with_annot(mut self, msg: &'static str, span: Span) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new_owned` and `new` are never used
[INFO] [stdout]    --> src/common/diagnostic.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 109 | impl Annotation {
[INFO] [stdout]     | --------------- associated functions in this implementation
[INFO] [stdout] 110 |     pub fn new_owned(msg: String, span: Span) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn new(msg: &'static str, span: Span) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inner` is never used
[INFO] [stdout]   --> src/common/interner.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl StrId {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 11 |     pub fn inner(self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_capacity` is never used
[INFO] [stdout]   --> src/common/interner.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Interner {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 25 |     pub fn with_capacity(cap: usize) -> Interner {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Statement` is never used
[INFO] [stdout]  --> src/frontend/ast.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Statement {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]  --> src/frontend/ast.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Expr {}
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/frontend/lex.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 22 |     Equals,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 23 |     Colon,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |
[INFO] [stdout] 25 |     Fn,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 26 |     End,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     Type,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 28 |     Case,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 29 |     Do,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 30 |     Import,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 31 |
[INFO] [stdout] 32 |     String(StrId),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     Operator(StrId),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `is_operator` and `consume_until` are never used
[INFO] [stdout]    --> src/frontend/lex.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout]  49 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn is_operator(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     fn consume_until(&mut self, predicate: impl Fn(char) -> bool) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "ba8df4d5dc4f9f09459f0f446f10a52242ad042cbbcb9539595d47067ce83181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba8df4d5dc4f9f09459f0f446f10a52242ad042cbbcb9539595d47067ce83181", kill_on_drop: false }`
[INFO] [stdout] ba8df4d5dc4f9f09459f0f446f10a52242ad042cbbcb9539595d47067ce83181
