[INFO] cloning repository https://github.com/baoziv587/LoxLang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baoziv587/LoxLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaoziv587%2FLoxLang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaoziv587%2FLoxLang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c5f72cf61fa1d6b4fc5cc4f69385090c8930202d [INFO] testing baoziv587/LoxLang against 1.63.0 for beta-1.64-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaoziv587%2FLoxLang" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/baoziv587/LoxLang on toolchain 1.63.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/baoziv587/LoxLang [INFO] finished tweaking git repo https://github.com/baoziv587/LoxLang [INFO] tweaked toml for git repo https://github.com/baoziv587/LoxLang written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/baoziv587/LoxLang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "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 autocfg v0.1.4 [INFO] [stderr] Downloaded unicode-width v0.1.5 [INFO] [stderr] Downloaded regex v1.1.7 [INFO] [stderr] Downloaded aho-corasick v0.7.3 [INFO] [stderr] Downloaded regex-syntax v0.6.7 [INFO] [stderr] Downloaded env_logger v0.6.1 [INFO] [stderr] Downloaded pretty_env_logger v0.3.0 [INFO] [stderr] Downloaded winapi v0.3.7 [INFO] [stderr] Downloaded libc v0.2.58 [INFO] [stderr] Downloaded utf8-ranges v1.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 281547d89f1a6bbcbe8c9d88aabed6675282568cd8daa03f68bc27877a74354b [INFO] running `Command { std: "docker" "start" "-a" "281547d89f1a6bbcbe8c9d88aabed6675282568cd8daa03f68bc27877a74354b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "281547d89f1a6bbcbe8c9d88aabed6675282568cd8daa03f68bc27877a74354b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "281547d89f1a6bbcbe8c9d88aabed6675282568cd8daa03f68bc27877a74354b", kill_on_drop: false }` [INFO] [stdout] 281547d89f1a6bbcbe8c9d88aabed6675282568cd8daa03f68bc27877a74354b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c95c7dea7046e23294f42cca1921b4b24b63b132ad7fd4f65fd36f60961dde18 [INFO] running `Command { std: "docker" "start" "-a" "c95c7dea7046e23294f42cca1921b4b24b63b132ad7fd4f65fd36f60961dde18", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling env_logger v0.6.1 [INFO] [stderr] Compiling lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `core` [INFO] [stdout] --> src/cli/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/frontend/scanner.rs:260:5 [INFO] [stdout] | [INFO] [stdout] 260 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/frontend/scanner.rs:261:5 [INFO] [stdout] | [INFO] [stdout] 261 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:73:32 [INFO] [stdout] | [INFO] [stdout] 73 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 73 - fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] 73 + fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/result.rs:65:35 [INFO] [stdout] | [INFO] [stdout] 65 | Error::IO(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/result.rs:75:35 [INFO] [stdout] | [INFO] [stdout] 75 | Error::IO(ref e) => e.cause(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/core/lox.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn run(source: &str) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `run` is never used [INFO] [stdout] --> src/core/lox.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn run(source: &str) {} [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tokens` and `current` are never read [INFO] [stdout] --> src/frontend/parser.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Parser { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 7 | tokens: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 8 | current: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Parser` 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 function `expressions` is never used [INFO] [stdout] --> src/frontend/parser.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn expressions(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `equality` is never used [INFO] [stdout] --> src/frontend/parser.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | fn equality(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `match_type` is never used [INFO] [stdout] --> src/frontend/parser.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | fn match_type(&mut self, types: &Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `expect_next` is never used [INFO] [stdout] --> src/frontend/parser.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | fn expect_next(&mut self, types: &Vec) -> Result<&Token> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `peek_error` is never used [INFO] [stdout] --> src/frontend/parser.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | fn peek_error(&mut self) -> Error { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `advance` is never used [INFO] [stdout] --> src/frontend/parser.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn advance(&mut self) -> Option<&Token> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `previous` is never used [INFO] [stdout] --> src/frontend/parser.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | fn previous(&self) -> Option<&Token> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `check` is never used [INFO] [stdout] --> src/frontend/parser.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | fn check(&self, t: &TokenType) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_at_end` is never used [INFO] [stdout] --> src/frontend/parser.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 86 | fn is_at_end(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `peek` is never used [INFO] [stdout] --> src/frontend/parser.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 90 | fn peek(&self) -> Option<&Token> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `comparison` is never used [INFO] [stdout] --> src/frontend/parser.rs:95:8 [INFO] [stdout] | [INFO] [stdout] 95 | fn comparison(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `addition` is never used [INFO] [stdout] --> src/frontend/parser.rs:113:8 [INFO] [stdout] | [INFO] [stdout] 113 | fn addition(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `mutilplication` is never used [INFO] [stdout] --> src/frontend/parser.rs:126:8 [INFO] [stdout] | [INFO] [stdout] 126 | fn mutilplication(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `unray` is never used [INFO] [stdout] --> src/frontend/parser.rs:132:8 [INFO] [stdout] | [INFO] [stdout] 132 | fn unray(&mut self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `primary` is never used [INFO] [stdout] --> src/frontend/parser.rs:143:8 [INFO] [stdout] | [INFO] [stdout] 143 | fn primary(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `unexpected` is never used [INFO] [stdout] --> src/frontend/parser.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 163 | fn unexpected(&mut self, t: &Token) -> Error { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `eof` is never used [INFO] [stdout] --> src/frontend/parser.rs:172:8 [INFO] [stdout] | [INFO] [stdout] 172 | fn eof(&self) -> Error { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/frontend/scanner.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Scanner<'a> { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 6 | _source: &'a str, [INFO] [stdout] 7 | peeks: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 8 | tokens: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | start: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 10 | line: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 11 | inline_offset: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 12 | current: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 13 | count: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Scanner` 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 function `slice` is never used [INFO] [stdout] --> src/frontend/scanner.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | fn slice(&self, start: usize, end: usize) -> &str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `scan_tokens` is never used [INFO] [stdout] --> src/frontend/scanner.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | fn scan_tokens(&mut self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_at_end` is never used [INFO] [stdout] --> src/frontend/scanner.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | fn is_at_end(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `scan_token` is never used [INFO] [stdout] --> src/frontend/scanner.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | fn scan_token(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `scan_string` is never used [INFO] [stdout] --> src/frontend/scanner.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | fn scan_string(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `scan_comment` is never used [INFO] [stdout] --> src/frontend/scanner.rs:151:8 [INFO] [stdout] | [INFO] [stdout] 151 | fn scan_comment(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `scan_new_line` is never used [INFO] [stdout] --> src/frontend/scanner.rs:158:8 [INFO] [stdout] | [INFO] [stdout] 158 | fn scan_new_line(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `scan_number` is never used [INFO] [stdout] --> src/frontend/scanner.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 163 | fn scan_number(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `scan_identifier` is never used [INFO] [stdout] --> src/frontend/scanner.rs:186:8 [INFO] [stdout] | [INFO] [stdout] 186 | fn scan_identifier(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `match_str` is never used [INFO] [stdout] --> src/frontend/scanner.rs:201:8 [INFO] [stdout] | [INFO] [stdout] 201 | fn match_str(&mut self, expected: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `current_char` is never used [INFO] [stdout] --> src/frontend/scanner.rs:210:8 [INFO] [stdout] | [INFO] [stdout] 210 | fn current_char(&mut self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `advance` is never used [INFO] [stdout] --> src/frontend/scanner.rs:214:8 [INFO] [stdout] | [INFO] [stdout] 214 | fn advance(&mut self) -> Option<&str> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `peek` is never used [INFO] [stdout] --> src/frontend/scanner.rs:220:8 [INFO] [stdout] | [INFO] [stdout] 220 | fn peek(&mut self, n: Option) -> Option<&str> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `peek_next` is never used [INFO] [stdout] --> src/frontend/scanner.rs:234:8 [INFO] [stdout] | [INFO] [stdout] 234 | fn peek_next(&mut self) -> Option<&str> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `create_token` is never used [INFO] [stdout] --> src/frontend/scanner.rs:238:8 [INFO] [stdout] | [INFO] [stdout] 238 | fn create_token(&mut self, t: TokenType, line: usize, val: String, pos: usize) -> Token { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `add_token` is never used [INFO] [stdout] --> src/frontend/scanner.rs:244:8 [INFO] [stdout] | [INFO] [stdout] 244 | fn add_token(&mut self, tok_type: TokenType) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `LoxKeywords` should have an upper case name [INFO] [stdout] --> src/frontend/keywords.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | pub static ref LoxKeywords: HashMap<&'static str, TokenType> = { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper case: `LOX_KEYWORDS` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 45 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Arg` [INFO] [stdout] --> src/bin/lox/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | use clap::{Arg, App, SubCommand}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dist` [INFO] [stdout] --> src/bin/lox/commands/gen_ast.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn exec(dist: &str) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dist` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `out_dir` [INFO] [stdout] --> src/bin/lox/commands/gen_ast.rs:23:15 [INFO] [stdout] | [INFO] [stdout] 23 | fn define_ast(out_dir: &str, base_name: &str, ast_types: &Vec<&str>) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_dir` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `base_name` [INFO] [stdout] --> src/bin/lox/commands/gen_ast.rs:23:30 [INFO] [stdout] | [INFO] [stdout] 23 | fn define_ast(out_dir: &str, base_name: &str, ast_types: &Vec<&str>) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ast_types` [INFO] [stdout] --> src/bin/lox/commands/gen_ast.rs:23:47 [INFO] [stdout] | [INFO] [stdout] 23 | fn define_ast(out_dir: &str, base_name: &str, ast_types: &Vec<&str>) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ast_types` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/bin/lox/commands/gen_ast.rs:27:10 [INFO] [stdout] | [INFO] [stdout] 27 | fn write(name: &str, content: &str) -> std::io::Result<()> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gen_ast` is never used [INFO] [stdout] --> src/bin/lox/commands/gen_ast.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn gen_ast(out_dit: &str) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `define_ast` is never used [INFO] [stdout] --> src/bin/lox/commands/gen_ast.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn define_ast(out_dir: &str, base_name: &str, ast_types: &Vec<&str>) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write` is never used [INFO] [stdout] --> src/bin/lox/commands/gen_ast.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn write(name: &str, content: &str) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.99s [INFO] running `Command { std: "docker" "inspect" "c95c7dea7046e23294f42cca1921b4b24b63b132ad7fd4f65fd36f60961dde18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c95c7dea7046e23294f42cca1921b4b24b63b132ad7fd4f65fd36f60961dde18", kill_on_drop: false }` [INFO] [stdout] c95c7dea7046e23294f42cca1921b4b24b63b132ad7fd4f65fd36f60961dde18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9bb91fa1c9edc6c08ec0ffab293471f64b16bc2e979c0f5064b951b6d1d7d62 [INFO] running `Command { std: "docker" "start" "-a" "e9bb91fa1c9edc6c08ec0ffab293471f64b16bc2e979c0f5064b951b6d1d7d62", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stdout] warning: unused import: `core` [INFO] [stdout] --> src/cli/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/frontend/scanner.rs:260:5 [INFO] [stdout] | [INFO] [stdout] 260 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/frontend/scanner.rs:261:5 [INFO] [stdout] | [INFO] [stdout] 261 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:73:32 [INFO] [stdout] | [INFO] [stdout] 73 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 73 - fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] 73 + fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/result.rs:65:35 [INFO] [stdout] | [INFO] [stdout] 65 | Error::IO(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/result.rs:75:35 [INFO] [stdout] | [INFO] [stdout] 75 | Error::IO(ref e) => e.cause(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/core/lox.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn run(source: &str) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `run` is never used [INFO] [stdout] --> src/core/lox.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn run(source: &str) {} [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tokens` and `current` are never read [INFO] [stdout] --> src/frontend/parser.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Parser { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 7 | tokens: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 8 | current: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Parser` 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 function `expressions` is never used [INFO] [stdout] --> src/frontend/parser.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn expressions(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `equality` is never used [INFO] [stdout] --> src/frontend/parser.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | fn equality(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `match_type` is never used [INFO] [stdout] --> src/frontend/parser.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | fn match_type(&mut self, types: &Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `expect_next` is never used [INFO] [stdout] --> src/frontend/parser.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | fn expect_next(&mut self, types: &Vec) -> Result<&Token> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `peek_error` is never used [INFO] [stdout] --> src/frontend/parser.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | fn peek_error(&mut self) -> Error { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `advance` is never used [INFO] [stdout] --> src/frontend/parser.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn advance(&mut self) -> Option<&Token> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `previous` is never used [INFO] [stdout] --> src/frontend/parser.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | fn previous(&self) -> Option<&Token> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `check` is never used [INFO] [stdout] --> src/frontend/parser.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | fn check(&self, t: &TokenType) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_at_end` is never used [INFO] [stdout] --> src/frontend/parser.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 86 | fn is_at_end(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `peek` is never used [INFO] [stdout] --> src/frontend/parser.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 90 | fn peek(&self) -> Option<&Token> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `comparison` is never used [INFO] [stdout] --> src/frontend/parser.rs:95:8 [INFO] [stdout] | [INFO] [stdout] 95 | fn comparison(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `addition` is never used [INFO] [stdout] --> src/frontend/parser.rs:113:8 [INFO] [stdout] | [INFO] [stdout] 113 | fn addition(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `mutilplication` is never used [INFO] [stdout] --> src/frontend/parser.rs:126:8 [INFO] [stdout] | [INFO] [stdout] 126 | fn mutilplication(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `unray` is never used [INFO] [stdout] --> src/frontend/parser.rs:132:8 [INFO] [stdout] | [INFO] [stdout] 132 | fn unray(&mut self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `primary` is never used [INFO] [stdout] --> src/frontend/parser.rs:143:8 [INFO] [stdout] | [INFO] [stdout] 143 | fn primary(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `unexpected` is never used [INFO] [stdout] --> src/frontend/parser.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 163 | fn unexpected(&mut self, t: &Token) -> Error { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `eof` is never used [INFO] [stdout] --> src/frontend/parser.rs:172:8 [INFO] [stdout] | [INFO] [stdout] 172 | fn eof(&self) -> Error { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/frontend/scanner.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Scanner<'a> { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 6 | _source: &'a str, [INFO] [stdout] 7 | peeks: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 8 | tokens: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | start: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 10 | line: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 11 | inline_offset: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 12 | current: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 13 | count: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Scanner` 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 function `slice` is never used [INFO] [stdout] --> src/frontend/scanner.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | fn slice(&self, start: usize, end: usize) -> &str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `scan_tokens` is never used [INFO] [stdout] --> src/frontend/scanner.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | fn scan_tokens(&mut self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_at_end` is never used [INFO] [stdout] --> src/frontend/scanner.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | fn is_at_end(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `scan_token` is never used [INFO] [stdout] --> src/frontend/scanner.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | fn scan_token(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `scan_string` is never used [INFO] [stdout] --> src/frontend/scanner.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | fn scan_string(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `scan_comment` is never used [INFO] [stdout] --> src/frontend/scanner.rs:151:8 [INFO] [stdout] | [INFO] [stdout] 151 | fn scan_comment(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `scan_new_line` is never used [INFO] [stdout] --> src/frontend/scanner.rs:158:8 [INFO] [stdout] | [INFO] [stdout] 158 | fn scan_new_line(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `scan_number` is never used [INFO] [stdout] --> src/frontend/scanner.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 163 | fn scan_number(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `scan_identifier` is never used [INFO] [stdout] --> src/frontend/scanner.rs:186:8 [INFO] [stdout] | [INFO] [stdout] 186 | fn scan_identifier(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `match_str` is never used [INFO] [stdout] --> src/frontend/scanner.rs:201:8 [INFO] [stdout] | [INFO] [stdout] 201 | fn match_str(&mut self, expected: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `current_char` is never used [INFO] [stdout] --> src/frontend/scanner.rs:210:8 [INFO] [stdout] | [INFO] [stdout] 210 | fn current_char(&mut self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `advance` is never used [INFO] [stdout] --> src/frontend/scanner.rs:214:8 [INFO] [stdout] | [INFO] [stdout] 214 | fn advance(&mut self) -> Option<&str> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `peek` is never used [INFO] [stdout] --> src/frontend/scanner.rs:220:8 [INFO] [stdout] | [INFO] [stdout] 220 | fn peek(&mut self, n: Option) -> Option<&str> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `peek_next` is never used [INFO] [stdout] --> src/frontend/scanner.rs:234:8 [INFO] [stdout] | [INFO] [stdout] 234 | fn peek_next(&mut self) -> Option<&str> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `create_token` is never used [INFO] [stdout] --> src/frontend/scanner.rs:238:8 [INFO] [stdout] | [INFO] [stdout] 238 | fn create_token(&mut self, t: TokenType, line: usize, val: String, pos: usize) -> Token { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `add_token` is never used [INFO] [stdout] --> src/frontend/scanner.rs:244:8 [INFO] [stdout] | [INFO] [stdout] 244 | fn add_token(&mut self, tok_type: TokenType) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `LoxKeywords` should have an upper case name [INFO] [stdout] --> src/frontend/keywords.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | pub static ref LoxKeywords: HashMap<&'static str, TokenType> = { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper case: `LOX_KEYWORDS` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 45 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling pretty_env_logger v0.3.0 [INFO] [stderr] Compiling lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `core` [INFO] [stdout] --> src/cli/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:73:32 [INFO] [stdout] | [INFO] [stdout] 73 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 73 - fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] 73 + fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/result.rs:65:35 [INFO] [stdout] | [INFO] [stdout] 65 | Error::IO(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/result.rs:75:35 [INFO] [stdout] | [INFO] [stdout] 75 | Error::IO(ref e) => e.cause(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/core/lox.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn run(source: &str) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `run` is never used [INFO] [stdout] --> src/core/lox.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn run(source: &str) {} [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tokens` and `current` are never read [INFO] [stdout] --> src/frontend/parser.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Parser { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 7 | tokens: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 8 | current: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Parser` 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 function `expressions` is never used [INFO] [stdout] --> src/frontend/parser.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn expressions(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `equality` is never used [INFO] [stdout] --> src/frontend/parser.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | fn equality(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `match_type` is never used [INFO] [stdout] --> src/frontend/parser.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | fn match_type(&mut self, types: &Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `expect_next` is never used [INFO] [stdout] --> src/frontend/parser.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | fn expect_next(&mut self, types: &Vec) -> Result<&Token> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `peek_error` is never used [INFO] [stdout] --> src/frontend/parser.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | fn peek_error(&mut self) -> Error { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `advance` is never used [INFO] [stdout] --> src/frontend/parser.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn advance(&mut self) -> Option<&Token> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `previous` is never used [INFO] [stdout] --> src/frontend/parser.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | fn previous(&self) -> Option<&Token> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `check` is never used [INFO] [stdout] --> src/frontend/parser.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | fn check(&self, t: &TokenType) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_at_end` is never used [INFO] [stdout] --> src/frontend/parser.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 86 | fn is_at_end(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `peek` is never used [INFO] [stdout] --> src/frontend/parser.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 90 | fn peek(&self) -> Option<&Token> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `comparison` is never used [INFO] [stdout] --> src/frontend/parser.rs:95:8 [INFO] [stdout] | [INFO] [stdout] 95 | fn comparison(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `addition` is never used [INFO] [stdout] --> src/frontend/parser.rs:113:8 [INFO] [stdout] | [INFO] [stdout] 113 | fn addition(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `mutilplication` is never used [INFO] [stdout] --> src/frontend/parser.rs:126:8 [INFO] [stdout] | [INFO] [stdout] 126 | fn mutilplication(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `unray` is never used [INFO] [stdout] --> src/frontend/parser.rs:132:8 [INFO] [stdout] | [INFO] [stdout] 132 | fn unray(&mut self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `primary` is never used [INFO] [stdout] --> src/frontend/parser.rs:143:8 [INFO] [stdout] | [INFO] [stdout] 143 | fn primary(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `unexpected` is never used [INFO] [stdout] --> src/frontend/parser.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 163 | fn unexpected(&mut self, t: &Token) -> Error { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `eof` is never used [INFO] [stdout] --> src/frontend/parser.rs:172:8 [INFO] [stdout] | [INFO] [stdout] 172 | fn eof(&self) -> Error { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `LoxKeywords` should have an upper case name [INFO] [stdout] --> src/frontend/keywords.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | pub static ref LoxKeywords: HashMap<&'static str, TokenType> = { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper case: `LOX_KEYWORDS` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 25 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.00s [INFO] running `Command { std: "docker" "inspect" "e9bb91fa1c9edc6c08ec0ffab293471f64b16bc2e979c0f5064b951b6d1d7d62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9bb91fa1c9edc6c08ec0ffab293471f64b16bc2e979c0f5064b951b6d1d7d62", kill_on_drop: false }` [INFO] [stdout] e9bb91fa1c9edc6c08ec0ffab293471f64b16bc2e979c0f5064b951b6d1d7d62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 80bbf6b2da967c002db3e4e6c9516920de5ad6036e5220eabff8499e85b6ad7d [INFO] running `Command { std: "docker" "start" "-a" "80bbf6b2da967c002db3e4e6c9516920de5ad6036e5220eabff8499e85b6ad7d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `core` [INFO] [stderr] --> src/cli/mod.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use core; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/frontend/scanner.rs:260:5 [INFO] [stderr] | [INFO] [stderr] 260 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/frontend/scanner.rs:261:5 [INFO] [stderr] | [INFO] [stderr] 261 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/result.rs:73:32 [INFO] [stderr] | [INFO] [stderr] 73 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 73 - fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] 73 + fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/result.rs:65:35 [INFO] [stderr] | [INFO] [stderr] 65 | Error::IO(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/result.rs:75:35 [INFO] [stderr] | [INFO] [stderr] 75 | Error::IO(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/core/lox.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | fn run(source: &str) {} [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `run` is never used [INFO] [stderr] --> src/core/lox.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | fn run(source: &str) {} [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: fields `tokens` and `current` are never read [INFO] [stderr] --> src/frontend/parser.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Parser { [INFO] [stderr] | ------ fields in this struct [INFO] [stderr] 7 | tokens: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 8 | current: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: associated function `expressions` is never used [INFO] [stderr] --> src/frontend/parser.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 16 | fn expressions(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `equality` is never used [INFO] [stderr] --> src/frontend/parser.rs:21:8 [INFO] [stderr] | [INFO] [stderr] 21 | fn equality(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `match_type` is never used [INFO] [stderr] --> src/frontend/parser.rs:35:8 [INFO] [stderr] | [INFO] [stderr] 35 | fn match_type(&mut self, types: &Vec) -> bool { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `expect_next` is never used [INFO] [stderr] --> src/frontend/parser.rs:45:8 [INFO] [stderr] | [INFO] [stderr] 45 | fn expect_next(&mut self, types: &Vec) -> Result<&Token> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `peek_error` is never used [INFO] [stderr] --> src/frontend/parser.rs:53:8 [INFO] [stderr] | [INFO] [stderr] 53 | fn peek_error(&mut self) -> Error { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `advance` is never used [INFO] [stderr] --> src/frontend/parser.rs:67:8 [INFO] [stderr] | [INFO] [stderr] 67 | fn advance(&mut self) -> Option<&Token> { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `previous` is never used [INFO] [stderr] --> src/frontend/parser.rs:75:8 [INFO] [stderr] | [INFO] [stderr] 75 | fn previous(&self) -> Option<&Token> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `check` is never used [INFO] [stderr] --> src/frontend/parser.rs:79:8 [INFO] [stderr] | [INFO] [stderr] 79 | fn check(&self, t: &TokenType) -> bool { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `is_at_end` is never used [INFO] [stderr] --> src/frontend/parser.rs:86:8 [INFO] [stderr] | [INFO] [stderr] 86 | fn is_at_end(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `peek` is never used [INFO] [stderr] --> src/frontend/parser.rs:90:8 [INFO] [stderr] | [INFO] [stderr] 90 | fn peek(&self) -> Option<&Token> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `comparison` is never used [INFO] [stderr] --> src/frontend/parser.rs:95:8 [INFO] [stderr] | [INFO] [stderr] 95 | fn comparison(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `addition` is never used [INFO] [stderr] --> src/frontend/parser.rs:113:8 [INFO] [stderr] | [INFO] [stderr] 113 | fn addition(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `mutilplication` is never used [INFO] [stderr] --> src/frontend/parser.rs:126:8 [INFO] [stderr] | [INFO] [stderr] 126 | fn mutilplication(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `unray` is never used [INFO] [stderr] --> src/frontend/parser.rs:132:8 [INFO] [stderr] | [INFO] [stderr] 132 | fn unray(&mut self) -> Result { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `primary` is never used [INFO] [stderr] --> src/frontend/parser.rs:143:8 [INFO] [stderr] | [INFO] [stderr] 143 | fn primary(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `unexpected` is never used [INFO] [stderr] --> src/frontend/parser.rs:163:8 [INFO] [stderr] | [INFO] [stderr] 163 | fn unexpected(&mut self, t: &Token) -> Error { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `eof` is never used [INFO] [stderr] --> src/frontend/parser.rs:172:8 [INFO] [stderr] | [INFO] [stderr] 172 | fn eof(&self) -> Error { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: multiple fields are never read [INFO] [stderr] --> src/frontend/scanner.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 5 | pub struct Scanner<'a> { [INFO] [stderr] | ------- fields in this struct [INFO] [stderr] 6 | _source: &'a str, [INFO] [stderr] 7 | peeks: &'a str, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] 8 | tokens: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 9 | start: usize, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] 10 | line: usize, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 11 | inline_offset: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 12 | current: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] 13 | count: usize, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Scanner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: associated function `slice` is never used [INFO] [stderr] --> src/frontend/scanner.rs:38:8 [INFO] [stderr] | [INFO] [stderr] 38 | fn slice(&self, start: usize, end: usize) -> &str { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `scan_tokens` is never used [INFO] [stderr] --> src/frontend/scanner.rs:42:8 [INFO] [stderr] | [INFO] [stderr] 42 | fn scan_tokens(&mut self) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `is_at_end` is never used [INFO] [stderr] --> src/frontend/scanner.rs:57:8 [INFO] [stderr] | [INFO] [stderr] 57 | fn is_at_end(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `scan_token` is never used [INFO] [stderr] --> src/frontend/scanner.rs:61:8 [INFO] [stderr] | [INFO] [stderr] 61 | fn scan_token(&mut self) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `scan_string` is never used [INFO] [stderr] --> src/frontend/scanner.rs:121:8 [INFO] [stderr] | [INFO] [stderr] 121 | fn scan_string(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `scan_comment` is never used [INFO] [stderr] --> src/frontend/scanner.rs:151:8 [INFO] [stderr] | [INFO] [stderr] 151 | fn scan_comment(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `scan_new_line` is never used [INFO] [stderr] --> src/frontend/scanner.rs:158:8 [INFO] [stderr] | [INFO] [stderr] 158 | fn scan_new_line(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `scan_number` is never used [INFO] [stderr] --> src/frontend/scanner.rs:163:8 [INFO] [stderr] | [INFO] [stderr] 163 | fn scan_number(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `scan_identifier` is never used [INFO] [stderr] --> src/frontend/scanner.rs:186:8 [INFO] [stderr] | [INFO] [stderr] 186 | fn scan_identifier(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `match_str` is never used [INFO] [stderr] --> src/frontend/scanner.rs:201:8 [INFO] [stderr] | [INFO] [stderr] 201 | fn match_str(&mut self, expected: &str) -> bool { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `current_char` is never used [INFO] [stderr] --> src/frontend/scanner.rs:210:8 [INFO] [stderr] | [INFO] [stderr] 210 | fn current_char(&mut self) -> &str { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `advance` is never used [INFO] [stderr] --> src/frontend/scanner.rs:214:8 [INFO] [stderr] | [INFO] [stderr] 214 | fn advance(&mut self) -> Option<&str> { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `peek` is never used [INFO] [stderr] --> src/frontend/scanner.rs:220:8 [INFO] [stderr] | [INFO] [stderr] 220 | fn peek(&mut self, n: Option) -> Option<&str> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `peek_next` is never used [INFO] [stderr] --> src/frontend/scanner.rs:234:8 [INFO] [stderr] | [INFO] [stderr] 234 | fn peek_next(&mut self) -> Option<&str> { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `create_token` is never used [INFO] [stderr] --> src/frontend/scanner.rs:238:8 [INFO] [stderr] | [INFO] [stderr] 238 | fn create_token(&mut self, t: TokenType, line: usize, val: String, pos: usize) -> Token { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `add_token` is never used [INFO] [stderr] --> src/frontend/scanner.rs:244:8 [INFO] [stderr] | [INFO] [stderr] 244 | fn add_token(&mut self, tok_type: TokenType) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static variable `LoxKeywords` should have an upper case name [INFO] [stderr] --> src/frontend/keywords.rs:5:20 [INFO] [stderr] | [INFO] [stderr] 5 | pub static ref LoxKeywords: HashMap<&'static str, TokenType> = { [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to upper case: `LOX_KEYWORDS` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `lox` (lib) generated 45 warnings [INFO] [stderr] warning: `lox` (lib test) generated 25 warnings (25 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lox-4444c8e215d9fe04) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test frontend::scanner::test_advance ... ok [INFO] [stdout] test frontend::scanner::test_scan_number ... ok [INFO] [stdout] test frontend::token::tests::test_token ... ok [INFO] [stdout] test frontend::token::tests::test_token_to_string ... ok [INFO] [stdout] test frontend::scanner::test_scan_identifier ... ok [INFO] [stdout] test frontend::scanner::test_scan_tokens ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests lox [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] running `Command { std: "docker" "inspect" "80bbf6b2da967c002db3e4e6c9516920de5ad6036e5220eabff8499e85b6ad7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80bbf6b2da967c002db3e4e6c9516920de5ad6036e5220eabff8499e85b6ad7d", kill_on_drop: false }` [INFO] [stdout] 80bbf6b2da967c002db3e4e6c9516920de5ad6036e5220eabff8499e85b6ad7d