[INFO] cloning repository https://github.com/mstolin/grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mstolin/grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmstolin%2Fgrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmstolin%2Fgrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 182d35d8477373a7d294a15e34c7eb6b532a7d3a
[INFO] checking mstolin/grep against try#b66808126f24f2f30898306a881e1676824ea80c for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmstolin%2Fgrep" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mstolin/grep
[INFO] finished tweaking git repo https://github.com/mstolin/grep
[INFO] tweaked toml for git repo https://github.com/mstolin/grep written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mstolin/grep on toolchain b66808126f24f2f30898306a881e1676824ea80c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mstolin/grep 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" "+b66808126f24f2f30898306a881e1676824ea80c" "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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 637bdc4553657f5e55efd85e351969b6c07cd3f50ae5ed3eca4e9c39ecd2acc5
[INFO] running `Command { std: "docker" "start" "637bdc4553657f5e55efd85e351969b6c07cd3f50ae5ed3eca4e9c39ecd2acc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "637bdc4553657f5e55efd85e351969b6c07cd3f50ae5ed3eca4e9c39ecd2acc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "637bdc4553657f5e55efd85e351969b6c07cd3f50ae5ed3eca4e9c39ecd2acc5" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "637bdc4553657f5e55efd85e351969b6c07cd3f50ae5ed3eca4e9c39ecd2acc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "637bdc4553657f5e55efd85e351969b6c07cd3f50ae5ed3eca4e9c39ecd2acc5" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking codecrafters-grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `FileWalker` is never constructed
[INFO] [stdout]  --> src/walker.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct FileWalker {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `from` and `walk_dir` are never used
[INFO] [stdout]   --> src/walker.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl FileWalker {
[INFO] [stdout]    | --------------- associated functions in this implementation
[INFO] [stdout]  8 |     pub fn from(base_path: PathBuf, depth: Option<u32>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn walk_dir(path: PathBuf, file_queue: &mut VecDeque<PathBuf>, depth: u32, max_depth: u32) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "637bdc4553657f5e55efd85e351969b6c07cd3f50ae5ed3eca4e9c39ecd2acc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "637bdc4553657f5e55efd85e351969b6c07cd3f50ae5ed3eca4e9c39ecd2acc5", kill_on_drop: false }`
[INFO] [stdout] 637bdc4553657f5e55efd85e351969b6c07cd3f50ae5ed3eca4e9c39ecd2acc5
