[INFO] cloning repository https://github.com/sairash/Danfe [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sairash/Danfe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsairash%2FDanfe", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsairash%2FDanfe'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] af91d093c07e13d1e821c0da33bf10364f7110f9 [INFO] testing sairash/Danfe against beta-2025-09-21 for beta-1.91-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsairash%2FDanfe" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/sairash/Danfe [INFO] finished tweaking git repo https://github.com/sairash/Danfe [INFO] tweaked toml for git repo https://github.com/sairash/Danfe written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sairash/Danfe on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/sairash/Danfe 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" "+beta-2025-09-21" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f157ceef6e0b2a7b3fd96c6ff5aea69612c3516b4fcd7ff5d1bb55066a4fcc9 [INFO] running `Command { std: "docker" "start" "-a" "6f157ceef6e0b2a7b3fd96c6ff5aea69612c3516b4fcd7ff5d1bb55066a4fcc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f157ceef6e0b2a7b3fd96c6ff5aea69612c3516b4fcd7ff5d1bb55066a4fcc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f157ceef6e0b2a7b3fd96c6ff5aea69612c3516b4fcd7ff5d1bb55066a4fcc9", kill_on_drop: false }` [INFO] [stdout] 6f157ceef6e0b2a7b3fd96c6ff5aea69612c3516b4fcd7ff5d1bb55066a4fcc9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07cb6dc828e37b2296901fce2a47741372cc59c2934ac41ea11ed08512db95e7 [INFO] running `Command { std: "docker" "start" "-a" "07cb6dc828e37b2296901fce2a47741372cc59c2934ac41ea11ed08512db95e7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling utf8parse v0.2.1 [INFO] [stderr] Compiling anstyle v1.0.2 [INFO] [stderr] Compiling anstyle-query v1.0.0 [INFO] [stderr] Compiling colorchoice v1.0.0 [INFO] [stderr] Compiling thiserror v1.0.47 [INFO] [stderr] Compiling clap_lex v0.5.1 [INFO] [stderr] Compiling anstyle-parse v0.2.1 [INFO] [stderr] Compiling anstream v0.5.0 [INFO] [stderr] Compiling clap_builder v4.4.1 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.29 [INFO] [stderr] Compiling thiserror-impl v1.0.47 [INFO] [stderr] Compiling clap v4.4.1 [INFO] [stderr] Compiling danfe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `lexer::TokenType` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use lexer::TokenType; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::clone` [INFO] [stdout] --> src/ast.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::clone; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around pattern [INFO] [stdout] --> src/parser.rs:218:17 [INFO] [stdout] | [INFO] [stdout] 218 | (_)=>{ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 218 - (_)=>{ [INFO] [stdout] 218 + _=>{ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> src/parser.rs:68:15 [INFO] [stdout] | [INFO] [stdout] 68 | while let token = self.current_token.clone() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> src/parser.rs:94:15 [INFO] [stdout] | [INFO] [stdout] 94 | while let token = self.current_token.clone() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | let mut lex = lexer::Lexer::new(&text); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `MissingExpectedSymbol` is never constructed [INFO] [stdout] --> src/lexer.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum LexerError { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 11 | MissingExpectedSymbol { expected: TokenType, found: Token }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LexerError` has a derived impl for the trait `Debug`, but this is 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: method `peek_next_token` is never used [INFO] [stdout] --> src/lexer.rs:335:12 [INFO] [stdout] | [INFO] [stdout] 80 | impl<'a> Lexer<'a> { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 335 | pub fn peek_next_token(&mut self) -> Result{ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | Symbol(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 35 - Symbol(String), [INFO] [stdout] 35 + Symbol(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `String` and `Boolean` are never constructed [INFO] [stdout] --> src/ast.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 30 | pub enum Literal { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 33 | String(String), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 34 | Boolean(bool), [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: field `0` is never read [INFO] [stdout] --> src/ast.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | Define(Expr), [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Operator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 64 - Define(Expr), [INFO] [stdout] 64 + Define(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/ast.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 40 | pub enum Operator { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 41 | UnaryPass, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 42 | UnaryMinus, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 43 | LogicalNegate, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | Minus, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 52 | [INFO] [stdout] 53 | LessThan, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 54 | GreaterThan, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 55 | LessThanOrEqual, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 56 | GreaterThantOrEqual, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 57 | Equal, [INFO] [stdout] 58 | NotEqual, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 59 | [INFO] [stdout] 60 | BooleanAnd, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 61 | BooleanEqual, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | Index, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Operator` 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: enum `ParserError` is never used [INFO] [stdout] --> src/parser.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | pub enum ParserError { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `next` is never used [INFO] [stdout] --> src/parser.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl <'a> Parser<'a> { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 47 | fn next(&mut self) -> Expr { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/parser.rs:18:41 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn new(mut lexer: Lexer<'a>) -> Parser { [INFO] [stdout] | -- ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 18 | pub fn new(mut lexer: Lexer<'a>) -> Parser<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.77s [INFO] running `Command { std: "docker" "inspect" "07cb6dc828e37b2296901fce2a47741372cc59c2934ac41ea11ed08512db95e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07cb6dc828e37b2296901fce2a47741372cc59c2934ac41ea11ed08512db95e7", kill_on_drop: false }` [INFO] [stdout] 07cb6dc828e37b2296901fce2a47741372cc59c2934ac41ea11ed08512db95e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0718667ac57deef27a620b3d841d50c3ad8bcaa5251af52fbe0d06b8bef4e05 [INFO] running `Command { std: "docker" "start" "-a" "a0718667ac57deef27a620b3d841d50c3ad8bcaa5251af52fbe0d06b8bef4e05", kill_on_drop: false }` [INFO] [stderr] Compiling danfe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `lexer::TokenType` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use lexer::TokenType; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::clone` [INFO] [stdout] --> src/ast.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::clone; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around pattern [INFO] [stdout] --> src/parser.rs:218:17 [INFO] [stdout] | [INFO] [stdout] 218 | (_)=>{ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 218 - (_)=>{ [INFO] [stdout] 218 + _=>{ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> src/parser.rs:68:15 [INFO] [stdout] | [INFO] [stdout] 68 | while let token = self.current_token.clone() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> src/parser.rs:94:15 [INFO] [stdout] | [INFO] [stdout] 94 | while let token = self.current_token.clone() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | let mut lex = lexer::Lexer::new(&text); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `MissingExpectedSymbol` is never constructed [INFO] [stdout] --> src/lexer.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum LexerError { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 11 | MissingExpectedSymbol { expected: TokenType, found: Token }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LexerError` has a derived impl for the trait `Debug`, but this is 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: method `peek_next_token` is never used [INFO] [stdout] --> src/lexer.rs:335:12 [INFO] [stdout] | [INFO] [stdout] 80 | impl<'a> Lexer<'a> { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 335 | pub fn peek_next_token(&mut self) -> Result{ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | Symbol(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 35 - Symbol(String), [INFO] [stdout] 35 + Symbol(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `String` and `Boolean` are never constructed [INFO] [stdout] --> src/ast.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 30 | pub enum Literal { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 33 | String(String), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 34 | Boolean(bool), [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: field `0` is never read [INFO] [stdout] --> src/ast.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | Define(Expr), [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Operator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 64 - Define(Expr), [INFO] [stdout] 64 + Define(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/ast.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 40 | pub enum Operator { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 41 | UnaryPass, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 42 | UnaryMinus, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 43 | LogicalNegate, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | Minus, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 52 | [INFO] [stdout] 53 | LessThan, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 54 | GreaterThan, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 55 | LessThanOrEqual, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 56 | GreaterThantOrEqual, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 57 | Equal, [INFO] [stdout] 58 | NotEqual, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 59 | [INFO] [stdout] 60 | BooleanAnd, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 61 | BooleanEqual, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | Index, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Operator` 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: enum `ParserError` is never used [INFO] [stdout] --> src/parser.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | pub enum ParserError { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `next` is never used [INFO] [stdout] --> src/parser.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl <'a> Parser<'a> { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 47 | fn next(&mut self) -> Expr { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/parser.rs:18:41 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn new(mut lexer: Lexer<'a>) -> Parser { [INFO] [stdout] | -- ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 18 | pub fn new(mut lexer: Lexer<'a>) -> Parser<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "a0718667ac57deef27a620b3d841d50c3ad8bcaa5251af52fbe0d06b8bef4e05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0718667ac57deef27a620b3d841d50c3ad8bcaa5251af52fbe0d06b8bef4e05", kill_on_drop: false }` [INFO] [stdout] a0718667ac57deef27a620b3d841d50c3ad8bcaa5251af52fbe0d06b8bef4e05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d1b8440f8f8041b47cb1be2a690bbb69fc199cea575b07ebd174b9094a2ca90c [INFO] running `Command { std: "docker" "start" "-a" "d1b8440f8f8041b47cb1be2a690bbb69fc199cea575b07ebd174b9094a2ca90c", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `lexer::TokenType` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use lexer::TokenType; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::clone` [INFO] [stderr] --> src/ast.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::clone; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/parser.rs:218:17 [INFO] [stderr] | [INFO] [stderr] 218 | (_)=>{ [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 218 - (_)=>{ [INFO] [stderr] 218 + _=>{ [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: irrefutable `while let` pattern [INFO] [stderr] --> src/parser.rs:68:15 [INFO] [stderr] | [INFO] [stderr] 68 | while let token = self.current_token.clone() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this pattern will always match, so the loop will never exit [INFO] [stderr] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: irrefutable `while let` pattern [INFO] [stderr] --> src/parser.rs:94:15 [INFO] [stderr] | [INFO] [stderr] 94 | while let token = self.current_token.clone() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this pattern will always match, so the loop will never exit [INFO] [stderr] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:33:17 [INFO] [stderr] | [INFO] [stderr] 33 | let mut lex = lexer::Lexer::new(&text); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variant `MissingExpectedSymbol` is never constructed [INFO] [stderr] --> src/lexer.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 6 | pub enum LexerError { [INFO] [stderr] | ---------- variant in this enum [INFO] [stderr] ... [INFO] [stderr] 11 | MissingExpectedSymbol { expected: TokenType, found: Token }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `LexerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: method `peek_next_token` is never used [INFO] [stderr] --> src/lexer.rs:335:12 [INFO] [stderr] | [INFO] [stderr] 80 | impl<'a> Lexer<'a> { [INFO] [stderr] | ------------------ method in this implementation [INFO] [stderr] ... [INFO] [stderr] 335 | pub fn peek_next_token(&mut self) -> Result{ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/ast.rs:35:12 [INFO] [stderr] | [INFO] [stderr] 35 | Symbol(String), [INFO] [stderr] | ------ ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 35 - Symbol(String), [INFO] [stderr] 35 + Symbol(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variants `String` and `Boolean` are never constructed [INFO] [stderr] --> src/ast.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 30 | pub enum Literal { [INFO] [stderr] | ------- variants in this enum [INFO] [stderr] ... [INFO] [stderr] 33 | String(String), [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 34 | Boolean(bool), [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: field `0` is never read [INFO] [stderr] --> src/ast.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 64 | Define(Expr), [INFO] [stderr] | ------ ^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Operator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 64 - Define(Expr), [INFO] [stderr] 64 + Define(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: multiple variants are never constructed [INFO] [stderr] --> src/ast.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 40 | pub enum Operator { [INFO] [stderr] | -------- variants in this enum [INFO] [stderr] 41 | UnaryPass, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] 42 | UnaryMinus, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 43 | LogicalNegate, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 51 | Minus, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 52 | [INFO] [stderr] 53 | LessThan, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 54 | GreaterThan, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 55 | LessThanOrEqual, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] 56 | GreaterThantOrEqual, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 57 | Equal, [INFO] [stderr] 58 | NotEqual, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 59 | [INFO] [stderr] 60 | BooleanAnd, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 61 | BooleanEqual, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 65 | Index, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Operator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: enum `ParserError` is never used [INFO] [stderr] --> src/parser.rs:12:10 [INFO] [stderr] | [INFO] [stderr] 12 | pub enum ParserError { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `next` is never used [INFO] [stderr] --> src/parser.rs:47:8 [INFO] [stderr] | [INFO] [stderr] 17 | impl <'a> Parser<'a> { [INFO] [stderr] | -------------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 47 | fn next(&mut self) -> Expr { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/parser.rs:18:41 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn new(mut lexer: Lexer<'a>) -> Parser { [INFO] [stderr] | -- ^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is named here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: consistently use `'a` [INFO] [stderr] | [INFO] [stderr] 18 | pub fn new(mut lexer: Lexer<'a>) -> Parser<'a> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `danfe` (bin "danfe" test) generated 15 warnings (run `cargo fix --bin "danfe" --tests` to apply 5 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/danfe-7f85b7a93a48e1d8) [INFO] running `Command { std: "docker" "inspect" "d1b8440f8f8041b47cb1be2a690bbb69fc199cea575b07ebd174b9094a2ca90c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1b8440f8f8041b47cb1be2a690bbb69fc199cea575b07ebd174b9094a2ca90c", kill_on_drop: false }` [INFO] [stdout] d1b8440f8f8041b47cb1be2a690bbb69fc199cea575b07ebd174b9094a2ca90c