[INFO] updating cached repository https://github.com/baoziv587/LoxLang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c5f72cf61fa1d6b4fc5cc4f69385090c8930202d [INFO] testing baoziv587/LoxLang against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaoziv587%2FLoxLang" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/baoziv587/LoxLang on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4220498bc0c37c8f40ec60e22feb0e7838142687d65cd22f414b355b30854811 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4220498bc0c37c8f40ec60e22feb0e7838142687d65cd22f414b355b30854811", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4220498bc0c37c8f40ec60e22feb0e7838142687d65cd22f414b355b30854811", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4220498bc0c37c8f40ec60e22feb0e7838142687d65cd22f414b355b30854811", kill_on_drop: false }` [INFO] [stdout] 4220498bc0c37c8f40ec60e22feb0e7838142687d65cd22f414b355b30854811 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8590e50fcb2b5b115ab6698668b5efc4e5d19d5bf53e5e13524bcd7b708c187 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f8590e50fcb2b5b115ab6698668b5efc4e5d19d5bf53e5e13524bcd7b708c187", kill_on_drop: false }` [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 bitflags v1.1.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling regex v1.1.7 [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: 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] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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: use of deprecated item '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 item '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: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/frontend/scanner.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 142 | let content = self.slice(start, end); [INFO] [stdout] | ---- immutable borrow occurs here [INFO] [stdout] 143 | self.create_token( [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 146 | content.to_string(), [INFO] [stdout] | ------- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/frontend/scanner.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 177 | let value = self.slice(self.start, self.current); [INFO] [stdout] | ---- immutable borrow occurs here [INFO] [stdout] 178 | self.create_token( [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 181 | value.to_string(), [INFO] [stdout] | ----- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [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: associated function is never used: `expressions` [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 is never used: `equality` [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 is never used: `match_type` [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 is never used: `expect_next` [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 is never used: `peek_error` [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 is never used: `advance` [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 is never used: `previous` [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 is never used: `check` [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 never used: `is_at_end` [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 is never used: `peek` [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 is never used: `comparison` [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 is never used: `addition` [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 is never used: `mutilplication` [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 is never used: `unray` [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 is never used: `primary` [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 is never used: `unexpected` [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 is never used: `eof` [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: associated function is never used: `slice` [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 is never used: `scan_tokens` [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 never used: `is_at_end` [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 is never used: `scan_token` [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 is never used: `scan_string` [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 is never used: `scan_comment` [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 is never used: `scan_new_line` [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 is never used: `scan_number` [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 is never used: `scan_identifier` [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 is never used: `match_str` [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 is never used: `current_char` [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 is never used: `advance` [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 is never used: `peek` [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 is never used: `peek_next` [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 is never used: `create_token` [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 is never used: `add_token` [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 is never used: `gen_ast` [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 is never used: `define_ast` [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 is never used: `write` [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 30.07s [INFO] running `Command { std: "docker" "inspect" "f8590e50fcb2b5b115ab6698668b5efc4e5d19d5bf53e5e13524bcd7b708c187", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8590e50fcb2b5b115ab6698668b5efc4e5d19d5bf53e5e13524bcd7b708c187", kill_on_drop: false }` [INFO] [stdout] f8590e50fcb2b5b115ab6698668b5efc4e5d19d5bf53e5e13524bcd7b708c187 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9dcb99916a4e594f205c6bd6451cae082ce9269740d6dd5d2fd6142aca7864a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d9dcb99916a4e594f205c6bd6451cae082ce9269740d6dd5d2fd6142aca7864a", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.8 [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: 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] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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: use of deprecated item '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 item '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: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/frontend/scanner.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 142 | let content = self.slice(start, end); [INFO] [stdout] | ---- immutable borrow occurs here [INFO] [stdout] 143 | self.create_token( [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 146 | content.to_string(), [INFO] [stdout] | ------- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/frontend/scanner.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 177 | let value = self.slice(self.start, self.current); [INFO] [stdout] | ---- immutable borrow occurs here [INFO] [stdout] 178 | self.create_token( [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 181 | value.to_string(), [INFO] [stdout] | ----- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [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: associated function is never used: `expressions` [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 is never used: `equality` [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 is never used: `match_type` [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 is never used: `expect_next` [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 is never used: `peek_error` [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 is never used: `advance` [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 is never used: `previous` [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 is never used: `check` [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 never used: `is_at_end` [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 is never used: `peek` [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 is never used: `comparison` [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 is never used: `addition` [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 is never used: `mutilplication` [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 is never used: `unray` [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 is never used: `primary` [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 is never used: `unexpected` [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 is never used: `eof` [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: associated function is never used: `slice` [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 is never used: `scan_tokens` [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 never used: `is_at_end` [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 is never used: `scan_token` [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 is never used: `scan_string` [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 is never used: `scan_comment` [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 is never used: `scan_new_line` [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 is never used: `scan_number` [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 is never used: `scan_identifier` [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 is never used: `match_str` [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 is never used: `current_char` [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 is never used: `advance` [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 is never used: `peek` [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 is never used: `peek_next` [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 is never used: `create_token` [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 is never used: `add_token` [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-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] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item '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 item '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: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/frontend/scanner.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 142 | let content = self.slice(start, end); [INFO] [stdout] | ---- immutable borrow occurs here [INFO] [stdout] 143 | self.create_token( [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 146 | content.to_string(), [INFO] [stdout] | ------- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/frontend/scanner.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 177 | let value = self.slice(self.start, self.current); [INFO] [stdout] | ---- immutable borrow occurs here [INFO] [stdout] 178 | self.create_token( [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 181 | value.to_string(), [INFO] [stdout] | ----- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [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: associated function is never used: `expressions` [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 is never used: `equality` [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 is never used: `match_type` [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 is never used: `expect_next` [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 is never used: `peek_error` [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 is never used: `advance` [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 is never used: `previous` [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 is never used: `check` [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 never used: `is_at_end` [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 is never used: `peek` [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 is never used: `comparison` [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 is never used: `addition` [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 is never used: `mutilplication` [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 is never used: `unray` [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 is never used: `primary` [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 is never used: `unexpected` [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 is never used: `eof` [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: 26 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 7.99s [INFO] running `Command { std: "docker" "inspect" "d9dcb99916a4e594f205c6bd6451cae082ce9269740d6dd5d2fd6142aca7864a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9dcb99916a4e594f205c6bd6451cae082ce9269740d6dd5d2fd6142aca7864a", kill_on_drop: false }` [INFO] [stdout] d9dcb99916a4e594f205c6bd6451cae082ce9269740d6dd5d2fd6142aca7864a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 66e0444423f959ef7f96edb8ccc2382d1ae516118c3600a87f98a7f537adc15e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "66e0444423f959ef7f96edb8ccc2382d1ae516118c3600a87f98a7f537adc15e", kill_on_drop: false }` [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: 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] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [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: use of deprecated item '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 item '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: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/frontend/scanner.rs:143:9 [INFO] [stderr] | [INFO] [stderr] 142 | let content = self.slice(start, end); [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 143 | self.create_token( [INFO] [stderr] | ^^^^ mutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 146 | content.to_string(), [INFO] [stderr] | ------- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/frontend/scanner.rs:178:9 [INFO] [stderr] | [INFO] [stderr] 177 | let value = self.slice(self.start, self.current); [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 178 | self.create_token( [INFO] [stderr] | ^^^^ mutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 181 | value.to_string(), [INFO] [stderr] | ----- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `run` [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: associated function is never used: `expressions` [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 is never used: `equality` [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 is never used: `match_type` [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 is never used: `expect_next` [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 is never used: `peek_error` [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 is never used: `advance` [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 is never used: `previous` [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 is never used: `check` [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 never used: `is_at_end` [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 is never used: `peek` [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 is never used: `comparison` [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 is never used: `addition` [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 is never used: `mutilplication` [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 is never used: `unray` [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 is never used: `primary` [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 is never used: `unexpected` [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 is never used: `eof` [INFO] [stderr] --> src/frontend/parser.rs:172:8 [INFO] [stderr] | [INFO] [stderr] 172 | fn eof(&self) -> Error { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `slice` [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 is never used: `scan_tokens` [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 never used: `is_at_end` [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 is never used: `scan_token` [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 is never used: `scan_string` [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 is never used: `scan_comment` [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 is never used: `scan_new_line` [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 is never used: `scan_number` [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 is never used: `scan_identifier` [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 is never used: `match_str` [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 is never used: `current_char` [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 is never used: `advance` [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 is never used: `peek` [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 is never used: `peek_next` [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 is never used: `create_token` [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 is never used: `add_token` [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: 45 warnings emitted [INFO] [stderr] [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: 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] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item '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 item '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: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/frontend/scanner.rs:143:9 [INFO] [stderr] | [INFO] [stderr] 142 | let content = self.slice(start, end); [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 143 | self.create_token( [INFO] [stderr] | ^^^^ mutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 146 | content.to_string(), [INFO] [stderr] | ------- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/frontend/scanner.rs:178:9 [INFO] [stderr] | [INFO] [stderr] 177 | let value = self.slice(self.start, self.current); [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 178 | self.create_token( [INFO] [stderr] | ^^^^ mutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 181 | value.to_string(), [INFO] [stderr] | ----- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `run` [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: associated function is never used: `expressions` [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 is never used: `equality` [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 is never used: `match_type` [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 is never used: `expect_next` [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 is never used: `peek_error` [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 is never used: `advance` [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 is never used: `previous` [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 is never used: `check` [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 never used: `is_at_end` [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 is never used: `peek` [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 is never used: `comparison` [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 is never used: `addition` [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 is never used: `mutilplication` [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 is never used: `unray` [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 is never used: `primary` [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 is never used: `unexpected` [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 is never used: `eof` [INFO] [stderr] --> src/frontend/parser.rs:172:8 [INFO] [stderr] | [INFO] [stderr] 172 | fn eof(&self) -> Error { [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: 26 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lox-0ed9848210eda6a8 [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test frontend::token::tests::test_token ... ok [INFO] [stdout] test frontend::scanner::test_advance ... ok [INFO] [stdout] test frontend::scanner::test_scan_tokens ... ok [INFO] [stdout] test frontend::scanner::test_scan_number ... ok [INFO] [stdout] test frontend::token::tests::test_token_to_string ... ok [INFO] [stdout] test frontend::scanner::test_scan_identifier ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- frontend::scanner::test_scan_identifier stdout ---- [INFO] [stdout] thread 'frontend::scanner::test_scan_identifier' panicked at 'env_logger::init should not be called after logger initialized: SetLoggerError(())', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/env_logger-0.6.1/src/lib.rs:1043:16 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55db4b7c1f95 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55db4b7c1f95 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55db4b7c1f95 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55db4b7c1f95 - ::fmt::hb4bdb37c3c335733 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55db4b7eb0ac - core::fmt::write::h540ac4a6a1232abc [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55db4b5c7995 - std::io::Write::write_fmt::h4be0daababb55bba [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/io/mod.rs:1539 [INFO] [stdout] 6: 0x55db4b7bc291 - std::io::impls::>::write_fmt::h83c1e1aa73f374f5 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x55db4b7c46f0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55db4b7c46f0 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55db4b7c46f0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55db4b7c43ea - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 11: 0x55db4b7c4d33 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 12: 0x55db4b7c492b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 13: 0x55db4b7e9a41 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 14: 0x55db4b7e9863 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stdout] at src/libcore/option.rs:1269 [INFO] [stdout] 15: 0x55db4b609d8a - core::result::Result::expect::h592ee40bb2fe1e3e [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/result.rs:963 [INFO] [stdout] 16: 0x55db4b61183d - env_logger::init::h20a8627a48f1bcee [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/env_logger-0.6.1/src/lib.rs:1043 [INFO] [stdout] 17: 0x55db4b5c4787 - lox::frontend::scanner::tests::init::h4cfa45c228465ff1 [INFO] [stdout] at src/frontend/scanner.rs:254 [INFO] [stdout] 18: 0x55db4b5af9e2 - lox::frontend::scanner::test_scan_identifier::h394bfeebdf558965 [INFO] [stdout] at src/frontend/scanner.rs:264 [INFO] [stdout] 19: 0x55db4b5af9ba - lox::frontend::scanner::test_scan_identifier::{{closure}}::h9c6839f5782a07dc [INFO] [stdout] at src/frontend/scanner.rs:263 [INFO] [stdout] 20: 0x55db4b5c2fee - core::ops::function::FnOnce::call_once::hcf5dda243f55b7d4 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233 [INFO] [stdout] 21: 0x55db4b5eef0c - as core::ops::function::FnOnce>::call_once::h8340ba6798e0c4ff [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081 [INFO] [stdout] 22: 0x55db4b5eef0c - as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318 [INFO] [stdout] 23: 0x55db4b5eef0c - std::panicking::try::do_call::hd8680a2dbb0ed3c4 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348 [INFO] [stdout] 24: 0x55db4b5eef0c - std::panicking::try::h46b4de2d705e7a8d [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325 [INFO] [stdout] 25: 0x55db4b5eef0c - std::panic::catch_unwind::h059b3f06991e0a9c [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394 [INFO] [stdout] 26: 0x55db4b5eef0c - test::run_test_in_process::h5ae08a65430494a4 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 27: 0x55db4b5eef0c - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 28: 0x55db4b5c6e86 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 29: 0x55db4b5cbe75 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475 [INFO] [stdout] 30: 0x55db4b5cbe75 - as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318 [INFO] [stdout] 31: 0x55db4b5cbe75 - std::panicking::try::do_call::h4e0f426e17cd216c [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348 [INFO] [stdout] 32: 0x55db4b5cbe75 - std::panicking::try::hd05e4ef6b4303d29 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325 [INFO] [stdout] 33: 0x55db4b5cbe75 - std::panic::catch_unwind::h19a1127ec729c5dd [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x55db4b5cbe75 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474 [INFO] [stdout] 35: 0x55db4b5cbe75 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233 [INFO] [stdout] 36: 0x55db4b7caf6a - as core::ops::function::FnOnce>::call_once::hc0e15d78a519721e [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081 [INFO] [stdout] 37: 0x55db4b7caf6a - as core::ops::function::FnOnce>::call_once::h211da8fffb09f192 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081 [INFO] [stdout] 38: 0x55db4b7caf6a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 39: 0x7fd36d08a609 - start_thread [INFO] [stdout] 40: 0x7fd36cf96103 - __clone [INFO] [stdout] 41: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] frontend::scanner::test_scan_identifier [INFO] [stdout] [INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "66e0444423f959ef7f96edb8ccc2382d1ae516118c3600a87f98a7f537adc15e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66e0444423f959ef7f96edb8ccc2382d1ae516118c3600a87f98a7f537adc15e", kill_on_drop: false }` [INFO] [stdout] 66e0444423f959ef7f96edb8ccc2382d1ae516118c3600a87f98a7f537adc15e