[INFO] cloning repository https://github.com/ha36ad/Rust-Shell-CodeCrafters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ha36ad/Rust-Shell-CodeCrafters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fha36ad%2FRust-Shell-CodeCrafters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fha36ad%2FRust-Shell-CodeCrafters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30eb89de958bf7fe9ee92e56924cf87cc4515e75
[INFO] testing ha36ad/Rust-Shell-CodeCrafters against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fha36ad%2FRust-Shell-CodeCrafters" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ha36ad/Rust-Shell-CodeCrafters
[INFO] finished tweaking git repo https://github.com/ha36ad/Rust-Shell-CodeCrafters
[INFO] tweaked toml for git repo https://github.com/ha36ad/Rust-Shell-CodeCrafters written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ha36ad/Rust-Shell-CodeCrafters on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ha36ad/Rust-Shell-CodeCrafters 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d88e65e854dab25a7fdebd783fd24f06be880daa1c9c224f020730706445c425
[INFO] running `Command { std: "docker" "start" "-a" "d88e65e854dab25a7fdebd783fd24f06be880daa1c9c224f020730706445c425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d88e65e854dab25a7fdebd783fd24f06be880daa1c9c224f020730706445c425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88e65e854dab25a7fdebd783fd24f06be880daa1c9c224f020730706445c425", kill_on_drop: false }`
[INFO] [stdout] d88e65e854dab25a7fdebd783fd24f06be880daa1c9c224f020730706445c425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec6a880786a22b286cea2cadadfc69a4e3244f661032c01a69b6060c0b3d83dc
[INFO] running `Command { std: "docker" "start" "-a" "ec6a880786a22b286cea2cadadfc69a4e3244f661032c01a69b6060c0b3d83dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling fd-lock v4.0.4
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling 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]    Compiling rustyline v16.0.0
[INFO] [stderr]    Compiling codecrafters-shell-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prev_output`
[INFO] [stdout]   --> src/execution.rs:73:32
[INFO] [stdout]    |
[INFO] [stdout] 73 |             } else if let Some(ref prev_output) = previous_output {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.84s
[INFO] running `Command { std: "docker" "inspect" "ec6a880786a22b286cea2cadadfc69a4e3244f661032c01a69b6060c0b3d83dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6a880786a22b286cea2cadadfc69a4e3244f661032c01a69b6060c0b3d83dc", kill_on_drop: false }`
[INFO] [stdout] ec6a880786a22b286cea2cadadfc69a4e3244f661032c01a69b6060c0b3d83dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06082d72103507ac7fc2e9229934041167ef99c6835e6667c81d8728a5930bf0
[INFO] running `Command { std: "docker" "start" "-a" "06082d72103507ac7fc2e9229934041167ef99c6835e6667c81d8728a5930bf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling codecrafters-shell-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prev_output`
[INFO] [stdout]   --> src/execution.rs:73:32
[INFO] [stdout]    |
[INFO] [stdout] 73 |             } else if let Some(ref prev_output) = previous_output {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "06082d72103507ac7fc2e9229934041167ef99c6835e6667c81d8728a5930bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06082d72103507ac7fc2e9229934041167ef99c6835e6667c81d8728a5930bf0", kill_on_drop: false }`
[INFO] [stdout] 06082d72103507ac7fc2e9229934041167ef99c6835e6667c81d8728a5930bf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 302e9f235745e23190bed4ab98142662a0b5219a2e0697c8185959e455aa30c2
[INFO] running `Command { std: "docker" "start" "-a" "302e9f235745e23190bed4ab98142662a0b5219a2e0697c8185959e455aa30c2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `prev_output`
[INFO] [stderr]   --> src/execution.rs:73:32
[INFO] [stderr]    |
[INFO] [stderr] 73 |             } else if let Some(ref prev_output) = previous_output {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_output`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `codecrafters-shell-rust` (bin "codecrafters-shell-rust" test) generated 1 warning (run `cargo fix --bin "codecrafters-shell-rust" -p codecrafters-shell-rust --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codecrafters_shell_rust-bcb3b3d2745688ad)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "302e9f235745e23190bed4ab98142662a0b5219a2e0697c8185959e455aa30c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302e9f235745e23190bed4ab98142662a0b5219a2e0697c8185959e455aa30c2", kill_on_drop: false }`
[INFO] [stdout] 302e9f235745e23190bed4ab98142662a0b5219a2e0697c8185959e455aa30c2
