[INFO] fetching crate maybe_parallel_iterator 0.12.0...
[INFO] testing maybe_parallel_iterator-0.12.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate maybe_parallel_iterator 0.12.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate maybe_parallel_iterator 0.12.0
[INFO] finished tweaking crates.io crate maybe_parallel_iterator 0.12.0
[INFO] tweaked toml for crates.io crate maybe_parallel_iterator 0.12.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate maybe_parallel_iterator 0.12.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 787e89ff0de63cf5f08eb1b93bd964feb4893cc86d30f60f54e7256a8bd087a9
[INFO] running `Command { std: "docker" "start" "-a" "787e89ff0de63cf5f08eb1b93bd964feb4893cc86d30f60f54e7256a8bd087a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "787e89ff0de63cf5f08eb1b93bd964feb4893cc86d30f60f54e7256a8bd087a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787e89ff0de63cf5f08eb1b93bd964feb4893cc86d30f60f54e7256a8bd087a9", kill_on_drop: false }`
[INFO] [stdout] 787e89ff0de63cf5f08eb1b93bd964feb4893cc86d30f60f54e7256a8bd087a9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2415c3ed87e0c6d59cffe5b65b6441f794bbe9601f9e4751729fc120f01ec00
[INFO] running `Command { std: "docker" "start" "-a" "d2415c3ed87e0c6d59cffe5b65b6441f794bbe9601f9e4751729fc120f01ec00", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe_parallel_iterator v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "d2415c3ed87e0c6d59cffe5b65b6441f794bbe9601f9e4751729fc120f01ec00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2415c3ed87e0c6d59cffe5b65b6441f794bbe9601f9e4751729fc120f01ec00", kill_on_drop: false }`
[INFO] [stdout] d2415c3ed87e0c6d59cffe5b65b6441f794bbe9601f9e4751729fc120f01ec00
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4d61589b66a3d329bf7749484511d5b86be202148f032535165929964d6a75f
[INFO] running `Command { std: "docker" "start" "-a" "b4d61589b66a3d329bf7749484511d5b86be202148f032535165929964d6a75f", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe_parallel_iterator v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "b4d61589b66a3d329bf7749484511d5b86be202148f032535165929964d6a75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d61589b66a3d329bf7749484511d5b86be202148f032535165929964d6a75f", kill_on_drop: false }`
[INFO] [stdout] b4d61589b66a3d329bf7749484511d5b86be202148f032535165929964d6a75f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4610e39ec2fd0a750f57a6dc82adef4a4118cecab523e71aa7ead0a00f46ce6
[INFO] running `Command { std: "docker" "start" "-a" "a4610e39ec2fd0a750f57a6dc82adef4a4118cecab523e71aa7ead0a00f46ce6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maybe_parallel_iterator-00a7889e233429bd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_sequential ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests maybe_parallel_iterator
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "a4610e39ec2fd0a750f57a6dc82adef4a4118cecab523e71aa7ead0a00f46ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4610e39ec2fd0a750f57a6dc82adef4a4118cecab523e71aa7ead0a00f46ce6", kill_on_drop: false }`
[INFO] [stdout] a4610e39ec2fd0a750f57a6dc82adef4a4118cecab523e71aa7ead0a00f46ce6