[INFO] fetching crate option-block 0.4.1...
[INFO] testing option-block-0.4.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate option-block 0.4.1 into /workspace/builds/worker-4-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate option-block 0.4.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc26d459bb4df9667bda79952dffd4db6182e71740c2f41f062cb06768f8ab20
[INFO] running `Command { std: "docker" "start" "-a" "dc26d459bb4df9667bda79952dffd4db6182e71740c2f41f062cb06768f8ab20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc26d459bb4df9667bda79952dffd4db6182e71740c2f41f062cb06768f8ab20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc26d459bb4df9667bda79952dffd4db6182e71740c2f41f062cb06768f8ab20", kill_on_drop: false }`
[INFO] [stdout] dc26d459bb4df9667bda79952dffd4db6182e71740c2f41f062cb06768f8ab20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f38633703560a099e21dda8f494b4b5cfbca2b5b38dc4055c7ea5c86a54eaeac
[INFO] running `Command { std: "docker" "start" "-a" "f38633703560a099e21dda8f494b4b5cfbca2b5b38dc4055c7ea5c86a54eaeac", 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 0.22s
[INFO] running `Command { std: "docker" "inspect" "f38633703560a099e21dda8f494b4b5cfbca2b5b38dc4055c7ea5c86a54eaeac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38633703560a099e21dda8f494b4b5cfbca2b5b38dc4055c7ea5c86a54eaeac", kill_on_drop: false }`
[INFO] [stdout] f38633703560a099e21dda8f494b4b5cfbca2b5b38dc4055c7ea5c86a54eaeac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bc799c46677aba096d31c5656f48eb77d74353dfcef320bbeb0a54a230d69fb
[INFO] running `Command { std: "docker" "start" "-a" "6bc799c46677aba096d31c5656f48eb77d74353dfcef320bbeb0a54a230d69fb", 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 0.89s
[INFO] running `Command { std: "docker" "inspect" "6bc799c46677aba096d31c5656f48eb77d74353dfcef320bbeb0a54a230d69fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc799c46677aba096d31c5656f48eb77d74353dfcef320bbeb0a54a230d69fb", kill_on_drop: false }`
[INFO] [stdout] 6bc799c46677aba096d31c5656f48eb77d74353dfcef320bbeb0a54a230d69fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7be6914e2788f7e835c2db692902991857f5abdb46a3174bf6906dbd2b0956aa
[INFO] running `Command { std: "docker" "start" "-a" "7be6914e2788f7e835c2db692902991857f5abdb46a3174bf6906dbd2b0956aa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/option_block-60c1a14a0176a42c)
[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-d8c9c270988b5d9f)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test capacity_tests ... ok
[INFO] [stdout] test check_iterators ... ok
[INFO] [stdout] test indexing_operations ... ok
[INFO] [stdout] test empty_block_mutable_iteration ... ok
[INFO] [stdout] test empty_block_iteration ... ok
[INFO] [stdout] test default_getters ... ok
[INFO] [stdout] test insert_replace_semantics ... ok
[INFO] [stdout] test into_iter_consumes_block ... ok
[INFO] [stdout] test iter_count_matches_length ... ok
[INFO] [stdout] test iterator_correctness_full_block ... ok
[INFO] [stdout] test mutable_iteration_partial ... ok
[INFO] [stdout] test partial_into_iter_consumption ... ok
[INFO] [stdout] test mutable_iterator_independence ... 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 mutable_iteration ... ok
[INFO] [stdout] test all_iterator_types_agree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/has-drop-impl.rs (/opt/rustwide/target/debug/deps/has_drop_impl-aa5b85bcffc0ce87)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test default_getters ... ok
[INFO] [stdout] test insert_strings_twice ... ok
[INFO] [stdout] test ensure_zero_resource_leaks ... ok
[INFO] [stdout] test empty_into_iter_no_drops ... ok
[INFO] [stdout] test block_of_optional_strings ... ok
[INFO] [stdout] test into_iter_with_manually_drop_correctness ... ok
[INFO] [stdout] test iter_does_not_clone ... ok
[INFO] [stdout] test into_iter_transfers_ownership ... ok
[INFO] [stdout] test partial_into_iter_drops_remaining ... ok
[INFO] [stdout] test sparse_into_iter_no_leaks ... ok
[INFO] [stdout] test large_block_iteration_no_leaks ... ok
[INFO] [stdout] test iter_mut_does_not_clone ... ok
[INFO] [stdout] test iter_mut_modifications_preserved ... ok
[INFO] [stdout] test partial_cloning ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iterator-correctness.rs (/opt/rustwide/target/debug/deps/iterator_correctness-981d463f37d7baba)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test mutable_iter_collect_and_verify ... ok
[INFO] [stdout] test partial_into_iter_with_vec ... ok
[INFO] [stdout] test all_iterator_types_agree ... ok
[INFO] [stdout] test into_iter_consumes_block ... ok
[INFO] [stdout] test sparse_block_iteration ... ok
[INFO] [stdout] test iterator_chaining ... 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/../README.md - (line 65) ... ok
[INFO] [stdout] test src/../README.md - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - iter (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7be6914e2788f7e835c2db692902991857f5abdb46a3174bf6906dbd2b0956aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be6914e2788f7e835c2db692902991857f5abdb46a3174bf6906dbd2b0956aa", kill_on_drop: false }`
[INFO] [stdout] 7be6914e2788f7e835c2db692902991857f5abdb46a3174bf6906dbd2b0956aa