[INFO] cloning repository https://github.com/varex83/codecrafters-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/varex83/codecrafters-interpreter-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarex83%2Fcodecrafters-interpreter-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarex83%2Fcodecrafters-interpreter-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52ebc24a9ab50d0524d9116be20c8f9504a3f358
[INFO] checking varex83/codecrafters-interpreter-rust against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarex83%2Fcodecrafters-interpreter-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/varex83/codecrafters-interpreter-rust on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/varex83/codecrafters-interpreter-rust
[INFO] finished tweaking git repo https://github.com/varex83/codecrafters-interpreter-rust
[INFO] tweaked toml for git repo https://github.com/varex83/codecrafters-interpreter-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/varex83/codecrafters-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5c5353c7a1805a94c018030a3c4aa39e2b6b98eb5b3ef36b37e5a04f817c627
[INFO] running `Command { std: "docker" "start" "-a" "d5c5353c7a1805a94c018030a3c4aa39e2b6b98eb5b3ef36b37e5a04f817c627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5c5353c7a1805a94c018030a3c4aa39e2b6b98eb5b3ef36b37e5a04f817c627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c5353c7a1805a94c018030a3c4aa39e2b6b98eb5b3ef36b37e5a04f817c627", kill_on_drop: false }`
[INFO] [stdout] d5c5353c7a1805a94c018030a3c4aa39e2b6b98eb5b3ef36b37e5a04f817c627
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03cb2303b6cd55487343e2998e0c34c6eca8a32b6bc6e4b2198c54fc0ac68d8d
[INFO] running `Command { std: "docker" "start" "-a" "03cb2303b6cd55487343e2998e0c34c6eca8a32b6bc6e4b2198c54fc0ac68d8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking interpreter-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]    --> src/scanner.rs:264:12
[INFO] [stdout]     |
[INFO] [stdout] 216 | impl<'a> Buffer<'a> {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 264 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/token.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl Loc {
[INFO] [stdout]     | -------- associated function in this implementation
[INFO] [stdout] 117 |     pub fn new(line: u32, col: u32) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]    --> src/scanner.rs:264:12
[INFO] [stdout]     |
[INFO] [stdout] 216 | impl<'a> Buffer<'a> {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 264 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.45s
[INFO] running `Command { std: "docker" "inspect" "03cb2303b6cd55487343e2998e0c34c6eca8a32b6bc6e4b2198c54fc0ac68d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03cb2303b6cd55487343e2998e0c34c6eca8a32b6bc6e4b2198c54fc0ac68d8d", kill_on_drop: false }`
[INFO] [stdout] 03cb2303b6cd55487343e2998e0c34c6eca8a32b6bc6e4b2198c54fc0ac68d8d