[INFO] fetching crate unfold 0.2.0...
[INFO] testing unfold-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate unfold 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate unfold 0.2.0
[INFO] finished tweaking crates.io crate unfold 0.2.0
[INFO] tweaked toml for crates.io crate unfold 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unfold 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2332d0005c3b44e21cabb9254a1b2e638bd63ca25a77060b81bb86287c3e123
[INFO] running `Command { std: "docker" "start" "-a" "f2332d0005c3b44e21cabb9254a1b2e638bd63ca25a77060b81bb86287c3e123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2332d0005c3b44e21cabb9254a1b2e638bd63ca25a77060b81bb86287c3e123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2332d0005c3b44e21cabb9254a1b2e638bd63ca25a77060b81bb86287c3e123", kill_on_drop: false }`
[INFO] [stdout] f2332d0005c3b44e21cabb9254a1b2e638bd63ca25a77060b81bb86287c3e123
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 661bb5aefbd557ceed048f4b472cad16f2aca465d7d6adacfe0183c4aa2d4a6f
[INFO] running `Command { std: "docker" "start" "-a" "661bb5aefbd557ceed048f4b472cad16f2aca465d7d6adacfe0183c4aa2d4a6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unfold v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "661bb5aefbd557ceed048f4b472cad16f2aca465d7d6adacfe0183c4aa2d4a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "661bb5aefbd557ceed048f4b472cad16f2aca465d7d6adacfe0183c4aa2d4a6f", kill_on_drop: false }`
[INFO] [stdout] 661bb5aefbd557ceed048f4b472cad16f2aca465d7d6adacfe0183c4aa2d4a6f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61719c64c1d96f5623a62b41955e97ee222275094281611291e49b5745d7bea6
[INFO] running `Command { std: "docker" "start" "-a" "61719c64c1d96f5623a62b41955e97ee222275094281611291e49b5745d7bea6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unfold v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "61719c64c1d96f5623a62b41955e97ee222275094281611291e49b5745d7bea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61719c64c1d96f5623a62b41955e97ee222275094281611291e49b5745d7bea6", kill_on_drop: false }`
[INFO] [stdout] 61719c64c1d96f5623a62b41955e97ee222275094281611291e49b5745d7bea6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7cd085982f992441a39633841581d72f59b6460da4cc6785bc50861d835e252
[INFO] running `Command { std: "docker" "start" "-a" "f7cd085982f992441a39633841581d72f59b6460da4cc6785bc50861d835e252", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unfold-de59a36f28d032b5)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_unfold_nth ... ok
[INFO] [stdout] test tests::test_unfold_vector ... ok
[INFO] [stdout] test tests::test_unfold_count ... ok
[INFO] [stdout] test tests::test_fibonacci ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unfold
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Unfold<T,F>::new (line 125) ... ok
[INFO] [stdout] test src/lib.rs - unfold_nth (line 71) ... ok
[INFO] [stdout] test src/lib.rs - unfold_vector (line 53) ... ok
[INFO] [stdout] test src/lib.rs - unfold_count (line 90) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f7cd085982f992441a39633841581d72f59b6460da4cc6785bc50861d835e252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7cd085982f992441a39633841581d72f59b6460da4cc6785bc50861d835e252", kill_on_drop: false }`
[INFO] [stdout] f7cd085982f992441a39633841581d72f59b6460da4cc6785bc50861d835e252