[INFO] fetching crate option-block 0.4.1...
[INFO] testing option-block-0.4.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate option-block 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate option-block 0.4.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate option-block 0.4.1
[INFO] tweaked toml for crates.io crate option-block 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate option-block 0.4.1 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] crate crates.io crate option-block 0.4.1 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-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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbc2e0d5bb9be9c1632845a23f7eb723c28fe42b98c882b1bc798000c76a0539
[INFO] running `Command { std: "docker" "start" "-a" "bbc2e0d5bb9be9c1632845a23f7eb723c28fe42b98c882b1bc798000c76a0539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbc2e0d5bb9be9c1632845a23f7eb723c28fe42b98c882b1bc798000c76a0539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc2e0d5bb9be9c1632845a23f7eb723c28fe42b98c882b1bc798000c76a0539", kill_on_drop: false }`
[INFO] [stdout] bbc2e0d5bb9be9c1632845a23f7eb723c28fe42b98c882b1bc798000c76a0539
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d0f1e99e235dcdef6c64faa5f2cb78b997ab8df63e1812235bc779f327082df
[INFO] running `Command { std: "docker" "start" "-a" "8d0f1e99e235dcdef6c64faa5f2cb78b997ab8df63e1812235bc779f327082df", kill_on_drop: false }`
[INFO] [stderr]    Compiling option-block v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "8d0f1e99e235dcdef6c64faa5f2cb78b997ab8df63e1812235bc779f327082df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d0f1e99e235dcdef6c64faa5f2cb78b997ab8df63e1812235bc779f327082df", kill_on_drop: false }`
[INFO] [stdout] 8d0f1e99e235dcdef6c64faa5f2cb78b997ab8df63e1812235bc779f327082df
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e763e98311926f0edff14682b8a7d02df0ad03ee1606e25f30e62d8962f59506
[INFO] running `Command { std: "docker" "start" "-a" "e763e98311926f0edff14682b8a7d02df0ad03ee1606e25f30e62d8962f59506", kill_on_drop: false }`
[INFO] [stderr]    Compiling option-block v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "e763e98311926f0edff14682b8a7d02df0ad03ee1606e25f30e62d8962f59506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e763e98311926f0edff14682b8a7d02df0ad03ee1606e25f30e62d8962f59506", kill_on_drop: false }`
[INFO] [stdout] e763e98311926f0edff14682b8a7d02df0ad03ee1606e25f30e62d8962f59506
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8bc155c157c3646a4bb302283883d08fe9c2d03f194be795d330fe14cb605be
[INFO] running `Command { std: "docker" "start" "-a" "f8bc155c157c3646a4bb302283883d08fe9c2d03f194be795d330fe14cb605be", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/option_block-afed63e1c3cab837)
[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] [stderr]      Running tests/basic-tests.rs (/opt/rustwide/target/debug/deps/basic_tests-79351ed8b75b82bd)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test all_iterator_types_agree ... ok
[INFO] [stdout] test capacity_tests ... ok
[INFO] [stdout] test check_iterators ... ok
[INFO] [stdout] test default_getters ... ok
[INFO] [stdout] test empty_block_iteration ... ok
[INFO] [stdout] test empty_block_mutable_iteration ... ok
[INFO] [stdout] test indexing_operations ... ok
[INFO] [stdout] test into_iter_consumes_block ... ok
[INFO] [stdout] test iterator_correctness_full_block ... ok
[INFO] [stdout] test mutable_iteration ... ok
[INFO] [stdout] test mutable_iteration_partial ... ok
[INFO] [stdout] test iter_count_matches_length ... ok
[INFO] [stdout] test mutable_iterator_independence ... ok
[INFO] [stdout] test partial_into_iter_consumption ... ok
[INFO] [stdout] test size_tests ... ok
[INFO] [stdout] test sparse_block_iteration ... ok
[INFO] [stdout] test sparse_block_mutable_iteration ... ok
[INFO] [stdout] test insert_replace_semantics ... ok
[INFO] [stderr]      Running tests/has-drop-impl.rs (/opt/rustwide/target/debug/deps/has_drop_impl-1564a4dcb632e0db)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test block_of_optional_strings ... ok
[INFO] [stdout] test default_getters ... ok
[INFO] [stdout] test ensure_zero_resource_leaks ... ok
[INFO] [stdout] test insert_strings_twice ... ok
[INFO] [stdout] test empty_into_iter_no_drops ... ok
[INFO] [stdout] test into_iter_transfers_ownership ... ok
[INFO] [stdout] test into_iter_with_manually_drop_correctness ... ok
[INFO] [stdout] test iter_does_not_clone ... ok
[INFO] [stdout] test iter_mut_does_not_clone ... ok
[INFO] [stdout] test iter_mut_modifications_preserved ... ok
[INFO] [stdout] test large_block_iteration_no_leaks ... ok
[INFO] [stdout] test partial_cloning ... ok
[INFO] [stdout] test partial_into_iter_drops_remaining ... ok
[INFO] [stdout] test sparse_into_iter_no_leaks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iterator-correctness.rs (/opt/rustwide/target/debug/deps/iterator_correctness-d04f7032e651f87a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test iterator_chaining ... ok
[INFO] [stdout] test all_iterator_types_agree ... ok
[INFO] [stdout] test into_iter_consumes_block ... ok
[INFO] [stdout] test partial_into_iter_with_vec ... ok
[INFO] [stdout] test mutable_iter_collect_and_verify ... ok
[INFO] [stdout] test sparse_block_iteration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests option_block
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/../README.md - (line 52) ... ok
[INFO] [stdout] test src/lib.rs - iter (line 12) ... ok
[INFO] [stdout] test src/../README.md - (line 11) ... ok
[INFO] [stdout] test src/../README.md - (line 65) ... 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] [stdout] all doctests ran in 0.51s; merged doctests compilation took 0.50s
[INFO] running `Command { std: "docker" "inspect" "f8bc155c157c3646a4bb302283883d08fe9c2d03f194be795d330fe14cb605be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8bc155c157c3646a4bb302283883d08fe9c2d03f194be795d330fe14cb605be", kill_on_drop: false }`
[INFO] [stdout] f8bc155c157c3646a4bb302283883d08fe9c2d03f194be795d330fe14cb605be