[INFO] cloning repository https://github.com/sandptel/lox-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/sandptel/lox-interpreter-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandptel%2Flox-interpreter-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandptel%2Flox-interpreter-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2d5153335f4e61cf175e0e84df790441b1486490 [INFO] checking sandptel/lox-interpreter-rust against master#0f353363965ebf05e0757f7679c800b39c51a07e for pr-144896 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandptel%2Flox-interpreter-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/sandptel/lox-interpreter-rust [INFO] finished tweaking git repo https://github.com/sandptel/lox-interpreter-rust [INFO] tweaked toml for git repo https://github.com/sandptel/lox-interpreter-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sandptel/lox-interpreter-rust on toolchain 0f353363965ebf05e0757f7679c800b39c51a07e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/sandptel/lox-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" "+0f353363965ebf05e0757f7679c800b39c51a07e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2682fd7be52451b8221b45fd1ac55831745b547d549ec016912fbe5c47aa5491 [INFO] running `Command { std: "docker" "start" "-a" "2682fd7be52451b8221b45fd1ac55831745b547d549ec016912fbe5c47aa5491", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2682fd7be52451b8221b45fd1ac55831745b547d549ec016912fbe5c47aa5491", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2682fd7be52451b8221b45fd1ac55831745b547d549ec016912fbe5c47aa5491", kill_on_drop: false }` [INFO] [stdout] 2682fd7be52451b8221b45fd1ac55831745b547d549ec016912fbe5c47aa5491 [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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed0c1fdb8a8940a0cf8cd8ee93ffa68190ab85a52a1d5cbfc7a251ea2c8c8d6c [INFO] running `Command { std: "docker" "start" "-a" "ed0c1fdb8a8940a0cf8cd8ee93ffa68190ab85a52a1d5cbfc7a251ea2c8c8d6c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Checking bytes v1.7.1 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.75 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Checking codecrafters-interpreter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::process::id` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::process::id; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::Chars` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::str::Chars; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ch` [INFO] [stdout] --> src/main.rs:30:25 [INFO] [stdout] | [INFO] [stdout] 30 | Token::Atom(ch) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | let mut token_name = match ch { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:107:22 [INFO] [stdout] | [INFO] [stdout] 107 | Some(mut t) => { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:167:12 [INFO] [stdout] | [INFO] [stdout] 167 | fn scanner(input: &String) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Eof` is never constructed [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 11 | enum Token { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 14 | Eof, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Lexer` is never constructed [INFO] [stdout] --> src/main.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | struct Lexer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `scanner` is never used [INFO] [stdout] --> src/main.rs:167:4 [INFO] [stdout] | [INFO] [stdout] 167 | fn scanner(input: &String) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::id` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::process::id; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::Chars` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::str::Chars; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ch` [INFO] [stdout] --> src/main.rs:30:25 [INFO] [stdout] | [INFO] [stdout] 30 | Token::Atom(ch) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | let mut token_name = match ch { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:107:22 [INFO] [stdout] | [INFO] [stdout] 107 | Some(mut t) => { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:167:12 [INFO] [stdout] | [INFO] [stdout] 167 | fn scanner(input: &String) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Eof` is never constructed [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 11 | enum Token { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 14 | Eof, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Lexer` is never constructed [INFO] [stdout] --> src/main.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | struct Lexer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `scanner` is never used [INFO] [stdout] --> src/main.rs:167:4 [INFO] [stdout] | [INFO] [stdout] 167 | fn scanner(input: &String) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.76s [INFO] running `Command { std: "docker" "inspect" "ed0c1fdb8a8940a0cf8cd8ee93ffa68190ab85a52a1d5cbfc7a251ea2c8c8d6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed0c1fdb8a8940a0cf8cd8ee93ffa68190ab85a52a1d5cbfc7a251ea2c8c8d6c", kill_on_drop: false }` [INFO] [stdout] ed0c1fdb8a8940a0cf8cd8ee93ffa68190ab85a52a1d5cbfc7a251ea2c8c8d6c