[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] checking baoziv587/LoxLang against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaoziv587%2FLoxLang" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/baoziv587/LoxLang on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded env_logger v0.6.1 [INFO] [stderr] Downloaded pretty_env_logger v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c52177be2fa9e2ad4dcae2ccc35211fdeecd06f94c619f0caa7128dbc8019569 [INFO] running `Command { std: "docker" "start" "-a" "c52177be2fa9e2ad4dcae2ccc35211fdeecd06f94c619f0caa7128dbc8019569", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c52177be2fa9e2ad4dcae2ccc35211fdeecd06f94c619f0caa7128dbc8019569", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c52177be2fa9e2ad4dcae2ccc35211fdeecd06f94c619f0caa7128dbc8019569", kill_on_drop: false }` [INFO] [stdout] c52177be2fa9e2ad4dcae2ccc35211fdeecd06f94c619f0caa7128dbc8019569 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 860cc49ef247694c75f6610055b26241fae15b58720a88ef46ccc414b4b0b6fb [INFO] running `Command { std: "docker" "start" "-a" "860cc49ef247694c75f6610055b26241fae15b58720a88ef46ccc414b4b0b6fb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Checking pretty_env_logger v0.3.0 [INFO] [stderr] Checking 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] = 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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 73 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `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 method `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] 6 | impl Lox { [INFO] [stdout] | -------- associated function in this implementation [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: multiple methods are never used [INFO] [stdout] --> src/frontend/parser.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl Parser { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 16 | fn expressions(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn equality(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn match_type(&mut self, types: &Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn expect_next(&mut self, types: &Vec) -> Result<&Token> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn peek_error(&mut self) -> Error { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | fn advance(&mut self) -> Option<&Token> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | fn previous(&self) -> Option<&Token> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | fn check(&self, t: &TokenType) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn is_at_end(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | fn peek(&self) -> Option<&Token> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | fn comparison(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 113 | fn addition(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 126 | fn mutilplication(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 132 | fn unray(&mut self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 143 | fn primary(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 163 | fn unexpected(&mut self, t: &Token) -> Error { [INFO] [stdout] | ^^^^^^^^^^ [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: multiple methods are never used [INFO] [stdout] --> src/frontend/scanner.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl<'a> Scanner<'a> { [INFO] [stdout] | -------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 38 | fn slice(&self, start: usize, end: usize) -> &str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn scan_tokens(&mut self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | fn is_at_end(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | fn scan_token(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | fn scan_string(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 151 | fn scan_comment(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 158 | fn scan_new_line(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 163 | fn scan_number(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 186 | fn scan_identifier(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 201 | fn match_str(&mut self, expected: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 210 | fn current_char(&mut self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 214 | fn advance(&mut self) -> Option<&str> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 220 | fn peek(&mut self, n: Option) -> Option<&str> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 234 | fn peek_next(&mut self) -> Option<&str> { [INFO] [stdout] | ^^^^^^^^^ [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] 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: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [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] = 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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 73 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [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 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] [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] [stdout] warning: use of deprecated method `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 method `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] 6 | impl Lox { [INFO] [stdout] | -------- associated function in this implementation [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: multiple methods are never used [INFO] [stdout] --> src/frontend/parser.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl Parser { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 16 | fn expressions(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn equality(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn match_type(&mut self, types: &Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn expect_next(&mut self, types: &Vec) -> Result<&Token> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn peek_error(&mut self) -> Error { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | fn advance(&mut self) -> Option<&Token> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | fn previous(&self) -> Option<&Token> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | fn check(&self, t: &TokenType) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn is_at_end(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | fn peek(&self) -> Option<&Token> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | fn comparison(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 113 | fn addition(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 126 | fn mutilplication(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 132 | fn unray(&mut self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 143 | fn primary(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 163 | fn unexpected(&mut self, t: &Token) -> Error { [INFO] [stdout] | ^^^^^^^^^^ [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: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.34s [INFO] running `Command { std: "docker" "inspect" "860cc49ef247694c75f6610055b26241fae15b58720a88ef46ccc414b4b0b6fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "860cc49ef247694c75f6610055b26241fae15b58720a88ef46ccc414b4b0b6fb", kill_on_drop: false }` [INFO] [stdout] 860cc49ef247694c75f6610055b26241fae15b58720a88ef46ccc414b4b0b6fb