[INFO] cloning repository https://github.com/gsspdev/if_let
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gsspdev/if_let" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsspdev%2Fif_let", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsspdev%2Fif_let'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ced8ceda57c9fd7ba615852e0a8bff4aec8a86fe
[INFO] testing gsspdev/if_let 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%2Fgsspdev%2Fif_let" "/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/gsspdev/if_let
[INFO] finished tweaking git repo https://github.com/gsspdev/if_let
[INFO] tweaked toml for git repo https://github.com/gsspdev/if_let written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gsspdev/if_let 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/gsspdev/if_let 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] 6c1f0e0c30b9a5f0644a28ff5b204616b4ef8810a1553369984d602a3a240587
[INFO] running `Command { std: "docker" "start" "-a" "6c1f0e0c30b9a5f0644a28ff5b204616b4ef8810a1553369984d602a3a240587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c1f0e0c30b9a5f0644a28ff5b204616b4ef8810a1553369984d602a3a240587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1f0e0c30b9a5f0644a28ff5b204616b4ef8810a1553369984d602a3a240587", kill_on_drop: false }`
[INFO] [stdout] 6c1f0e0c30b9a5f0644a28ff5b204616b4ef8810a1553369984d602a3a240587
[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] 04539c0e9c3bc18721d47ec9c77653b73cc848122b81c84fd3a843a5a8fe8ac3
[INFO] running `Command { std: "docker" "start" "-a" "04539c0e9c3bc18721d47ec9c77653b73cc848122b81c84fd3a843a5a8fe8ac3", kill_on_drop: false }`
[INFO] [stderr]    Compiling if_let v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | let config_max = Some(3u8);
[INFO] [stdout]   | ^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `let` cannot be used for global variables
[INFO] [stdout]   | help: consider using `static` or `const` instead of `let`
[INFO] [stdout]   |
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `if_let` (bin "if_let") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "04539c0e9c3bc18721d47ec9c77653b73cc848122b81c84fd3a843a5a8fe8ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04539c0e9c3bc18721d47ec9c77653b73cc848122b81c84fd3a843a5a8fe8ac3", kill_on_drop: false }`
[INFO] [stdout] 04539c0e9c3bc18721d47ec9c77653b73cc848122b81c84fd3a843a5a8fe8ac3
