[INFO] cloning repository https://github.com/sagarsubedi/monkey_interpreter_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sagarsubedi/monkey_interpreter_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagarsubedi%2Fmonkey_interpreter_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagarsubedi%2Fmonkey_interpreter_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6860d409e2a27238aaaa2257a39e8d1f765da9e1 [INFO] checking sagarsubedi/monkey_interpreter_rust against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagarsubedi%2Fmonkey_interpreter_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sagarsubedi/monkey_interpreter_rust on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sagarsubedi/monkey_interpreter_rust [INFO] finished tweaking git repo https://github.com/sagarsubedi/monkey_interpreter_rust [INFO] tweaked toml for git repo https://github.com/sagarsubedi/monkey_interpreter_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sagarsubedi/monkey_interpreter_rust 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" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a21b2ee2ecbebcd2f93dd82bd7d03534aa71b8f011b3a79c073fcc53616cbfcf [INFO] running `Command { std: "docker" "start" "-a" "a21b2ee2ecbebcd2f93dd82bd7d03534aa71b8f011b3a79c073fcc53616cbfcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a21b2ee2ecbebcd2f93dd82bd7d03534aa71b8f011b3a79c073fcc53616cbfcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a21b2ee2ecbebcd2f93dd82bd7d03534aa71b8f011b3a79c073fcc53616cbfcf", kill_on_drop: false }` [INFO] [stdout] a21b2ee2ecbebcd2f93dd82bd7d03534aa71b8f011b3a79c073fcc53616cbfcf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ecd5c54e83800aa3143a6df165e08bf7d58291a23037e596e809eaf4bba4ae4c [INFO] running `Command { std: "docker" "start" "-a" "ecd5c54e83800aa3143a6df165e08bf7d58291a23037e596e809eaf4bba4ae4c", kill_on_drop: false }` [INFO] [stderr] Checking monkey_interpreter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Lexer` is never constructed [INFO] [stdout] --> src/lexer.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Lexer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/lexer.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Lexer { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 11 | pub fn new(input: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn read_char(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn is_letter(ch: char) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn is_digit(ch: char) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn read_identifier(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn read_number(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | fn skip_whitespace(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | fn next_token(&mut self) -> Token { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 164 | fn new_token(kind: TokenKind, ch: char) -> Token { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "ecd5c54e83800aa3143a6df165e08bf7d58291a23037e596e809eaf4bba4ae4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecd5c54e83800aa3143a6df165e08bf7d58291a23037e596e809eaf4bba4ae4c", kill_on_drop: false }` [INFO] [stdout] ecd5c54e83800aa3143a6df165e08bf7d58291a23037e596e809eaf4bba4ae4c