[INFO] fetching crate safe-cargo 0.1.3...
[INFO] testing safe-cargo-0.1.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate safe-cargo 0.1.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate safe-cargo 0.1.3
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate safe-cargo 0.1.3
[INFO] tweaked toml for crates.io crate safe-cargo 0.1.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate safe-cargo 0.1.3 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 crates.io crate safe-cargo 0.1.3 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 238e5244acdfe4ad7c0698aebd071693821f25a9fa21b7164d422b8f5d0630a2
[INFO] running `Command { std: "docker" "start" "-a" "238e5244acdfe4ad7c0698aebd071693821f25a9fa21b7164d422b8f5d0630a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "238e5244acdfe4ad7c0698aebd071693821f25a9fa21b7164d422b8f5d0630a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238e5244acdfe4ad7c0698aebd071693821f25a9fa21b7164d422b8f5d0630a2", kill_on_drop: false }`
[INFO] [stdout] 238e5244acdfe4ad7c0698aebd071693821f25a9fa21b7164d422b8f5d0630a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f2089941180b2ee3f079301a033c716d4240e4957da7c122ce2c95eb0c51c543
[INFO] running `Command { std: "docker" "start" "-a" "f2089941180b2ee3f079301a033c716d4240e4957da7c122ce2c95eb0c51c543", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-cargo v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `safe_cargo::prepare_profile`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use safe_cargo::prepare_profile;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Command`, `ExitCode`, `collections::VecDeque`, `env`, `fs`, and `io`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::VecDeque,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     env, fs, io,
[INFO] [stdout]   |     ^^^  ^^  ^^
[INFO] [stdout] 5 |     process::{Command, ExitCode},
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `safe_cargo`
[INFO] [stdout]   --> src/main.rs:47:2
[INFO] [stdout]    |
[INFO] [stdout] 47 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `safe-cargo` (bin "safe-cargo") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f2089941180b2ee3f079301a033c716d4240e4957da7c122ce2c95eb0c51c543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2089941180b2ee3f079301a033c716d4240e4957da7c122ce2c95eb0c51c543", kill_on_drop: false }`
[INFO] [stdout] f2089941180b2ee3f079301a033c716d4240e4957da7c122ce2c95eb0c51c543
