[INFO] cloning repository https://github.com/kazukousen/rust-monkey [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kazukousen/rust-monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazukousen%2Frust-monkey", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazukousen%2Frust-monkey'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0f5731a6606fc4c0273954dee20d94a967cbb132 [INFO] checking kazukousen/rust-monkey against try#d83b14207998f47b18a34e930157ac0d7c18b16e for pr-149137 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazukousen%2Frust-monkey" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kazukousen/rust-monkey [INFO] finished tweaking git repo https://github.com/kazukousen/rust-monkey [INFO] tweaked toml for git repo https://github.com/kazukousen/rust-monkey written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kazukousen/rust-monkey on toolchain d83b14207998f47b18a34e930157ac0d7c18b16e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/kazukousen/rust-monkey 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" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb1552d0ef78ce1820949f8ff3052981bc62443924f267fefaf614a8df50b933 [INFO] running `Command { std: "docker" "start" "-a" "eb1552d0ef78ce1820949f8ff3052981bc62443924f267fefaf614a8df50b933", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb1552d0ef78ce1820949f8ff3052981bc62443924f267fefaf614a8df50b933", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb1552d0ef78ce1820949f8ff3052981bc62443924f267fefaf614a8df50b933", kill_on_drop: false }` [INFO] [stdout] eb1552d0ef78ce1820949f8ff3052981bc62443924f267fefaf614a8df50b933 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2636cf636d2dad5f807706b4d1f8d49067dc05c6cd0fbce0b5130903f311b8b [INFO] running `Command { std: "docker" "start" "-a" "c2636cf636d2dad5f807706b4d1f8d49067dc05c6cd0fbce0b5130903f311b8b", kill_on_drop: false }` [INFO] [stderr] Checking rust-monkey v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `prompt` [INFO] [stdout] --> src/repl.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let prompt = ">> "; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prompt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prompt` [INFO] [stdout] --> src/repl.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let prompt = ">> "; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prompt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_letter` is never used [INFO] [stdout] --> src/utils.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn is_letter(s: &String) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_digit` is never used [INFO] [stdout] --> src/utils.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn is_digit(s: &String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TokenType` is never used [INFO] [stdout] --> src/lexer/token.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum TokenType { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_string` is never used [INFO] [stdout] --> src/lexer/token.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 38 | impl TokenType { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 39 | pub fn from_string(s: &String) -> TokenType { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Token` is never constructed [INFO] [stdout] --> src/lexer/token.rs:76:12 [INFO] [stdout] | [INFO] [stdout] 76 | pub struct Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new` and `new_string` are never used [INFO] [stdout] --> src/lexer/token.rs:84:12 [INFO] [stdout] | [INFO] [stdout] 83 | impl Token { [INFO] [stdout] | ---------- associated functions in this implementation [INFO] [stdout] 84 | pub fn new(s: String, is_string: bool, line_num: u8, column_num: u8) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | fn new_string(s: String, line_num: u8, column_num: u8) -> Self { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Lexer` is never constructed [INFO] [stdout] --> src/lexer/lexer.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Lexer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `EMPTY_STR` is never used [INFO] [stdout] --> src/lexer/lexer.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub static EMPTY_STR: &'static str = ""; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/lexer/lexer.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Lexer { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 17 | pub fn new(input: String) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn read_char(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn get_char(&self, pos: i32) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn peek_char(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | pub fn next_token(&mut self) -> token::Token { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | fn read_string(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | fn read_identifier(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | fn read_digit(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | fn skip_whitespace(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "c2636cf636d2dad5f807706b4d1f8d49067dc05c6cd0fbce0b5130903f311b8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2636cf636d2dad5f807706b4d1f8d49067dc05c6cd0fbce0b5130903f311b8b", kill_on_drop: false }` [INFO] [stdout] c2636cf636d2dad5f807706b4d1f8d49067dc05c6cd0fbce0b5130903f311b8b