[INFO] cloning repository https://github.com/philmein23/lox-interpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/philmein23/lox-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Flox-interpreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Flox-interpreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8fda24bddfd67d22bd58364eb3649c84689ddab6 [INFO] checking philmein23/lox-interpreter against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Flox-interpreter" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/philmein23/lox-interpreter on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/philmein23/lox-interpreter [INFO] finished tweaking git repo https://github.com/philmein23/lox-interpreter [INFO] tweaked toml for git repo https://github.com/philmein23/lox-interpreter written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/philmein23/lox-interpreter 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dd2a00ca343e1a02cb929aa633ef3bf48855e33360e4718ca7cdba204518a2b4 [INFO] running `Command { std: "docker" "start" "-a" "dd2a00ca343e1a02cb929aa633ef3bf48855e33360e4718ca7cdba204518a2b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd2a00ca343e1a02cb929aa633ef3bf48855e33360e4718ca7cdba204518a2b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd2a00ca343e1a02cb929aa633ef3bf48855e33360e4718ca7cdba204518a2b4", kill_on_drop: false }` [INFO] [stdout] dd2a00ca343e1a02cb929aa633ef3bf48855e33360e4718ca7cdba204518a2b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bfec972820b9b9963c528311a09f331535b8a4749ef9540dd418fc1dcef1b5ea [INFO] running `Command { std: "docker" "start" "-a" "bfec972820b9b9963c528311a09f331535b8a4749ef9540dd418fc1dcef1b5ea", kill_on_drop: false }` [INFO] [stderr] Checking lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `LEFT_PAREN` should have an upper camel case name [INFO] [stdout] --> src/token.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | LEFT_PAREN, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `RIGHT_PAREN` should have an upper camel case name [INFO] [stdout] --> src/token.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | RIGHT_PAREN, [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `LEFT_BRACE` should have an upper camel case name [INFO] [stdout] --> src/token.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | LEFT_BRACE, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `RIGHT_BRACE` should have an upper camel case name [INFO] [stdout] --> src/token.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | RIGHT_BRACE, [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/token.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | BANG_EQUAL, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/token.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | EQUAL_EQUAL, [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/token.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | GREATER_EQUAL, [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/token.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | LESS_EQUAL, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `token::Token` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use token::Token; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/ast.rs:168:5 [INFO] [stdout] | [INFO] [stdout] 168 | EQUAL_EQUAL, [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/ast.rs:169:5 [INFO] [stdout] | [INFO] [stdout] 169 | BANG_EQUAL, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/ast.rs:171:5 [INFO] [stdout] | [INFO] [stdout] 171 | GREATER_EQUAL, [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/ast.rs:173:5 [INFO] [stdout] | [INFO] [stdout] 173 | LESS_EQUAL, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/parser.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::vec::{self, IntoIter}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `LEFT_PAREN` should have an upper camel case name [INFO] [stdout] --> src/token.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | LEFT_PAREN, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefMut` [INFO] [stdout] --> src/interpreter.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::RefMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `RIGHT_PAREN` should have an upper camel case name [INFO] [stdout] --> src/token.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | RIGHT_PAREN, [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `object::Object` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use object::Object; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `LEFT_BRACE` should have an upper camel case name [INFO] [stdout] --> src/token.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | LEFT_BRACE, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `RIGHT_BRACE` should have an upper camel case name [INFO] [stdout] --> src/token.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | RIGHT_BRACE, [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/token.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | BANG_EQUAL, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/token.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | EQUAL_EQUAL, [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/token.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | GREATER_EQUAL, [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/token.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | LESS_EQUAL, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/ast.rs:168:5 [INFO] [stdout] | [INFO] [stdout] 168 | EQUAL_EQUAL, [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/ast.rs:169:5 [INFO] [stdout] | [INFO] [stdout] 169 | BANG_EQUAL, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/ast.rs:171:5 [INFO] [stdout] | [INFO] [stdout] 171 | GREATER_EQUAL, [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name [INFO] [stdout] --> src/ast.rs:173:5 [INFO] [stdout] | [INFO] [stdout] 173 | LESS_EQUAL, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/parser.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::vec::{self, IntoIter}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefMut` [INFO] [stdout] --> src/interpreter.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::RefMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `object::Object` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use object::Object; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/interpreter.rs:556:13 [INFO] [stdout] | [INFO] [stdout] 556 | _ => Err(RuntimeError::InvalidSyntax), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/interpreter.rs:556:13 [INFO] [stdout] | [INFO] [stdout] 420 | Expression::This() => { [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 424 | Expression::Super(method) => match self.enclosing_function { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 463 | Expression::Binary(left, operator, right) => { [INFO] [stdout] | ----------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 468 | Expression::Number(value) => Ok(Object::Number(value)), [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 556 | _ => Err(RuntimeError::InvalidSyntax), [INFO] [stdout] | ^ ...and 11 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/interpreter.rs:431:51 [INFO] [stdout] | [INFO] [stdout] 431 | ... Some(Object::LoxClass(name, super_id)) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `value` is never read [INFO] [stdout] --> src/interpreter.rs:497:25 [INFO] [stdout] | [INFO] [stdout] 497 | let mut value = Object::Nil; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/interpreter.rs:556:13 [INFO] [stdout] | [INFO] [stdout] 556 | _ => Err(RuntimeError::InvalidSyntax), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/interpreter.rs:556:13 [INFO] [stdout] | [INFO] [stdout] 420 | Expression::This() => { [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 424 | Expression::Super(method) => match self.enclosing_function { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 463 | Expression::Binary(left, operator, right) => { [INFO] [stdout] | ----------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 468 | Expression::Number(value) => Ok(Object::Number(value)), [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 556 | _ => Err(RuntimeError::InvalidSyntax), [INFO] [stdout] | ^ ...and 11 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/interpreter.rs:431:51 [INFO] [stdout] | [INFO] [stdout] 431 | ... Some(Object::LoxClass(name, super_id)) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `value` is never read [INFO] [stdout] --> src/interpreter.rs:497:25 [INFO] [stdout] | [INFO] [stdout] 497 | let mut value = Object::Nil; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_call_interpreter` is never used [INFO] [stdout] --> src/main.rs:418:4 [INFO] [stdout] | [INFO] [stdout] 418 | fn test_call_interpreter(input: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ScanningError` is never constructed [INFO] [stdout] --> src/scanner.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 131 | pub enum ScannerError { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 132 | ScanningError(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ScannerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `EOF` is never constructed [INFO] [stdout] --> src/token.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum Token { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 41 | EOF, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/ast.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Statement { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 6 | Print(Box), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 7 | Expression(Box), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 8 | Var(String, Option>), [INFO] [stdout] | ^^^ [INFO] [stdout] 9 | Block(Vec), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 10 | If(Box, Box, Option>), [INFO] [stdout] | ^^ [INFO] [stdout] 11 | While(Box, Box), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | Function(String, Vec, Vec), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 13 | Return(Box), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 14 | Class(String, Option>, Vec), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Statement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/ast.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 72 | pub enum Expression { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 73 | Binary(Box, Infix, Box), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 74 | Unary(Prefix, Box), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 75 | Grouping(Box), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 76 | Number(i64), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 77 | StringLiteral(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 78 | Boolean(bool), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 79 | Variable(String), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 80 | Assign(String, Box), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 81 | Logical(Box, Infix, Box), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 82 | Call(Box, Vec>), [INFO] [stdout] | ^^^^ [INFO] [stdout] 83 | Get(Box, String), [INFO] [stdout] | ^^^ [INFO] [stdout] 84 | Set(Box, String, Box), [INFO] [stdout] | ^^^ [INFO] [stdout] 85 | This(), [INFO] [stdout] | ^^^^ [INFO] [stdout] 86 | Super(String), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 87 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `BANG` and `MINUS` are never constructed [INFO] [stdout] --> src/ast.rs:149:5 [INFO] [stdout] | [INFO] [stdout] 148 | pub enum Prefix { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 149 | BANG, [INFO] [stdout] | ^^^^ [INFO] [stdout] 150 | MINUS, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Prefix` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/ast.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 163 | pub enum Infix { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 164 | PLUS, [INFO] [stdout] | ^^^^ [INFO] [stdout] 165 | MINUS, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 166 | STAR, [INFO] [stdout] | ^^^^ [INFO] [stdout] 167 | SLASH, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 168 | EQUAL_EQUAL, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 169 | BANG_EQUAL, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 170 | GREATER, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 171 | GREATER_EQUAL, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 172 | LESS, [INFO] [stdout] | ^^^^ [INFO] [stdout] 173 | LESS_EQUAL, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 174 | AND, [INFO] [stdout] | ^^^ [INFO] [stdout] 175 | OR, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Infix` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Parser` is never constructed [INFO] [stdout] --> src/parser.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Parser<'a> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/parser.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 12 | pub fn new(tokens: &'a mut Peekable>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn parse(&mut self) -> Result, ParseError> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn declaration(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn class_declaration(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | fn var_declaration(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | fn function(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 163 | fn statement(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 175 | fn expression(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 179 | fn return_statement(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 192 | fn for_statement(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 254 | fn expression_statement(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 260 | fn while_statement(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 273 | fn if_statement(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 300 | fn block(&mut self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 315 | fn print_statement(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 322 | fn assignment(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 343 | fn or(&mut self) -> Result { [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 360 | fn and(&mut self) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 377 | fn equality(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 400 | fn comparison(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 434 | fn term(&mut self) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 457 | fn factor(&mut self) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 480 | fn unary(&mut self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 498 | fn call(&mut self) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 521 | fn finish_call(&mut self, callee: Expression) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 542 | fn primary(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 583 | fn synchronize(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `None` and `NewParseError` are never constructed [INFO] [stdout] --> src/parser.rs:606:5 [INFO] [stdout] | [INFO] [stdout] 605 | pub enum ParseError { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 606 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] 607 | NewParseError(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `NewRuntimeError`, `InvalidSyntax`, `InvalidArguments`, `InvalidNumberOfArguments`, `InvalidNumberOfArgumentsForFunction`, and `InvalidNumberOfArgumentsForMethod` are never constructed [INFO] [stdout] --> src/interpreter.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub enum RuntimeError { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 12 | NewRuntimeError(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 13 | InvalidSyntax, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 14 | InvalidArguments, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 15 | InvalidNumberOfArguments, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 16 | InvalidNumberOfArgumentsForFunction, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 17 | InvalidNumberOfArgumentsForMethod, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RuntimeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `LoxCallable` is never used [INFO] [stdout] --> src/interpreter.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | trait LoxCallable { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LoxFunction` is never constructed [INFO] [stdout] --> src/interpreter.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct LoxFunction { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/interpreter.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 35 | impl LoxFunction { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 36 | fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LoxClass` is never constructed [INFO] [stdout] --> src/interpreter.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | struct LoxClass { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/interpreter.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 101 | impl LoxClass { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 102 | fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `find_method` is never used [INFO] [stdout] --> src/interpreter.rs:118:8 [INFO] [stdout] | [INFO] [stdout] 117 | impl LoxClass { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 118 | fn find_method(&self, interpreter: &Interpreter, method_name: &String) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LoxInstance` is never constructed [INFO] [stdout] --> src/interpreter.rs:168:8 [INFO] [stdout] | [INFO] [stdout] 168 | struct LoxInstance { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get`, and `set` are never used [INFO] [stdout] --> src/interpreter.rs:175:8 [INFO] [stdout] | [INFO] [stdout] 174 | impl LoxInstance { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 175 | fn new(class_name: String, insta_id: u64) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 184 | fn get(&self, prop: String, interpreter: &mut Interpreter) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 213 | fn set(&mut self, prop: String, value: Object) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Interpreter` is never constructed [INFO] [stdout] --> src/interpreter.rs:218:12 [INFO] [stdout] | [INFO] [stdout] 218 | pub struct Interpreter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/interpreter.rs:229:12 [INFO] [stdout] | [INFO] [stdout] 228 | impl Interpreter { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 229 | pub fn new() -> Interpreter { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 246 | fn alloc_id(&mut self) -> u64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 252 | pub fn evaluate(&mut self, stmts: Vec) -> Result<(), RuntimeError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 366 | fn is_truthy(val: &Object) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 375 | fn evaluate_while_statement(&mut self, cond: &Expression, body: &Statement) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 383 | fn evaluate_if_statement(&mut self, cond: Expression, then: Statement, alt: Option) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 402 | fn execute_block(&mut self, statements: Vec, env: Environment) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 413 | fn evaluate_print_statement(&mut self, expr: Expression) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 418 | fn evaluate_expression(&mut self, expr: Expression) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 560 | fn eval_prefix_expression( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 581 | fn eval_infix_expression( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/object.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Object { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 5 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] 6 | Boolean(bool), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 7 | Number(i64), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 8 | String(String), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | LoxFunction(String, u64), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 10 | LoxClass(String, u64), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 11 | LoxInstance(String, u64), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Object` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `extend`, `define`, `get`, and `assign` are never used [INFO] [stdout] --> src/environment.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Environment { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 12 | pub fn new() -> Environment { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn extend(enclosing: Environment) -> Environment { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn define(&mut self, name: String, value: Object) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn get(&self, name: &str) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn assign(&mut self, name: String, value: Object) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/main.rs:45:18 [INFO] [stdout] | [INFO] [stdout] 45 | for token in tokens { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 45 | while let Ok(token) = tokens { [INFO] [stdout] | ~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 45 | if let Ok(token) = tokens { [INFO] [stdout] | ~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser.rs:157:25 [INFO] [stdout] | [INFO] [stdout] 157 | _ => panic!("Expected block statement".to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 157 | _ => panic!("{}", "Expected block statement".to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interpreter.rs:390:17 [INFO] [stdout] | [INFO] [stdout] 390 | self.evaluate(statements); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 390 | let _ = self.evaluate(statements); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interpreter.rs:397:17 [INFO] [stdout] | [INFO] [stdout] 397 | self.evaluate(statements); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 397 | let _ = self.evaluate(statements); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 46 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ScanningError` is never constructed [INFO] [stdout] --> src/scanner.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 131 | pub enum ScannerError { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 132 | ScanningError(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ScannerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `EOF` is never constructed [INFO] [stdout] --> src/token.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum Token { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 41 | EOF, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `synchronize` is never used [INFO] [stdout] --> src/parser.rs:583:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 583 | fn synchronize(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `InvalidArguments`, `InvalidNumberOfArguments`, `InvalidNumberOfArgumentsForFunction`, and `InvalidNumberOfArgumentsForMethod` are never constructed [INFO] [stdout] --> src/interpreter.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub enum RuntimeError { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 14 | InvalidArguments, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 15 | InvalidNumberOfArguments, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 16 | InvalidNumberOfArgumentsForFunction, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 17 | InvalidNumberOfArgumentsForMethod, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RuntimeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `arity` is never used [INFO] [stdout] --> src/interpreter.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 20 | trait LoxCallable { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 21 | fn arity(&self) -> u8; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `class_id` is never read [INFO] [stdout] --> src/interpreter.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 94 | struct LoxClass { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 95 | name: String, [INFO] [stdout] 96 | class_id: u64, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LoxClass` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/main.rs:45:18 [INFO] [stdout] | [INFO] [stdout] 45 | for token in tokens { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 45 | while let Ok(token) = tokens { [INFO] [stdout] | ~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 45 | if let Ok(token) = tokens { [INFO] [stdout] | ~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser.rs:157:25 [INFO] [stdout] | [INFO] [stdout] 157 | _ => panic!("Expected block statement".to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 157 | _ => panic!("{}", "Expected block statement".to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interpreter.rs:390:17 [INFO] [stdout] | [INFO] [stdout] 390 | self.evaluate(statements); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 390 | let _ = self.evaluate(statements); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interpreter.rs:397:17 [INFO] [stdout] | [INFO] [stdout] 397 | self.evaluate(statements); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 397 | let _ = self.evaluate(statements); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 28 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "bfec972820b9b9963c528311a09f331535b8a4749ef9540dd418fc1dcef1b5ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfec972820b9b9963c528311a09f331535b8a4749ef9540dd418fc1dcef1b5ea", kill_on_drop: false }` [INFO] [stdout] bfec972820b9b9963c528311a09f331535b8a4749ef9540dd418fc1dcef1b5ea