[INFO] fetching crate rust-eureka 0.2.0...
[INFO] testing rust-eureka-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rust-eureka 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rust-eureka 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rust-eureka 0.2.0
[INFO] tweaked toml for crates.io crate rust-eureka 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-eureka 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-eureka 0.2.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7aa92fcb6261a21b7231397d9b55604e9a73b5cbcd21b15431165984ad0a5721
[INFO] running `Command { std: "docker" "start" "-a" "7aa92fcb6261a21b7231397d9b55604e9a73b5cbcd21b15431165984ad0a5721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aa92fcb6261a21b7231397d9b55604e9a73b5cbcd21b15431165984ad0a5721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa92fcb6261a21b7231397d9b55604e9a73b5cbcd21b15431165984ad0a5721", kill_on_drop: false }`
[INFO] [stdout] 7aa92fcb6261a21b7231397d9b55604e9a73b5cbcd21b15431165984ad0a5721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1733475b80410a94b0e46cbbd28d06f7441fd44c9404b87ed2636e60c768c29a
[INFO] running `Command { std: "docker" "start" "-a" "1733475b80410a94b0e46cbbd28d06f7441fd44c9404b87ed2636e60c768c29a", kill_on_drop: false }`
[INFO] [stderr]    Compiling aws-lc-rs v1.16.1
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling aws-lc-sys v0.38.0
[INFO] [stderr]    Compiling compression-codecs v0.4.37
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling option-filter v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling async-compression v0.4.41
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling hyper v1.8.1
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling rustls-webpki v0.103.9
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling rustls-platform-verifier v0.6.2
[INFO] [stderr]    Compiling hyper-rustls v0.27.7
[INFO] [stderr]    Compiling reqwest v0.13.1
[INFO] [stderr]    Compiling rust-eureka v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.85s
[INFO] running `Command { std: "docker" "inspect" "1733475b80410a94b0e46cbbd28d06f7441fd44c9404b87ed2636e60c768c29a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1733475b80410a94b0e46cbbd28d06f7441fd44c9404b87ed2636e60c768c29a", kill_on_drop: false }`
[INFO] [stdout] 1733475b80410a94b0e46cbbd28d06f7441fd44c9404b87ed2636e60c768c29a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b017a315988dad06fc05c9134f9213edf8cf6d604fd304cc57622d4b1eab08e8
[INFO] running `Command { std: "docker" "start" "-a" "b017a315988dad06fc05c9134f9213edf8cf6d604fd304cc57622d4b1eab08e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling rustls-platform-verifier v0.6.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tabwriter v1.4.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling path-tree v0.8.3
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling stringmetrics v2.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-lock v3.4.2
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling serde_regex v1.1.0
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling test-logger v0.1.0
[INFO] [stderr]    Compiling async-object-pool v0.2.0
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling assert-json-diff v2.0.2
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling headers-core v0.3.0
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling headers v0.4.1
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling async-compression v0.4.41
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling hyper v1.8.1
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling hyper-rustls v0.27.7
[INFO] [stderr]    Compiling httpmock v0.8.3
[INFO] [stderr]    Compiling reqwest v0.13.1
[INFO] [stderr]    Compiling rust-eureka v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 39.21s
[INFO] running `Command { std: "docker" "inspect" "b017a315988dad06fc05c9134f9213edf8cf6d604fd304cc57622d4b1eab08e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b017a315988dad06fc05c9134f9213edf8cf6d604fd304cc57622d4b1eab08e8", kill_on_drop: false }`
[INFO] [stdout] b017a315988dad06fc05c9134f9213edf8cf6d604fd304cc57622d4b1eab08e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f28bcf75c41c495bf661f601a7f4cb78fa81293d0215e88f9a7ee96ca33d7b8d
[INFO] running `Command { std: "docker" "start" "-a" "f28bcf75c41c495bf661f601a7f4cb78fa81293d0215e88f9a7ee96ca33d7b8d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_eureka-cf8b82061b03efa0)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test request::amazonmetadata::test::test_serialize_amazon_meta_data ... ok
[INFO] [stdout] test request::datacenterinfo::test::test_serialize_data_center_info ... ok
[INFO] [stdout] test request::datacenterinfo::test::test_deserialize_data_center_info ... ok
[INFO] [stdout] test request::dcname::test::test_from_str ... ok
[INFO] [stdout] test request::amazonmetadata::test::test_deserialize_amazon_meta_data ... ok
[INFO] [stdout] test request::dcname::test::test_to_string ... ok
[INFO] [stdout] test request::leaseinfo::test::test_deserialize_lease_info_some ... ok
[INFO] [stdout] test request::instance::tests::test_instance_serialization ... ok
[INFO] [stdout] test request::instance::tests::test_instance_deserialization ... ok
[INFO] [stdout] test request::leaseinfo::test::test_lease_info_some ... ok
[INFO] [stdout] test request::leaseinfo::test::test_lease_info_none ... ok
[INFO] [stdout] test request::register::tests::test_instance_deserialization ... ok
[INFO] [stdout] test response::action_type::test::test_from_str ... ok
[INFO] [stdout] test response::action_type::test::test_to_string ... ok
[INFO] [stdout] test request::status::test::test_from_string ... ok
[INFO] [stdout] test response::applications::tests::test_applications_deserialize ... ok
[INFO] [stdout] test request::register::tests::test_instance_serialization ... ok
[INFO] [stdout] test response::application_response::tests::test_application_response_serialization ... ok
[INFO] [stdout] test response::amazonmetadata::tests::test_deserialize_amazon_meta_data ... ok
[INFO] [stdout] test response::applications_response::tests::test_applications_response_serialization ... ok
[INFO] [stdout] test response::application::tests::test_instance_serialization ... ok
[INFO] [stdout] test response::application_response::tests::test_application_response_deserialization ... ok
[INFO] [stdout] test response::amazonmetadata::tests::test_serialize_amazon_meta_data ... ok
[INFO] [stdout] test response::datacenterinfo::test::test_deserialize_data_center_info ... ok
[INFO] [stdout] test response::datacenterinfo::test::test_serialize_data_center_info ... ok
[INFO] [stdout] test response::application::tests::test_instance_deserialization ... ok
[INFO] [stdout] test request::status::test::test_from_string_ref ... ok
[INFO] [stdout] test response::applications_response::tests::test_local_eureka_response ... ok
[INFO] [stdout] test response::applications_response::tests::test_applications_response_deserialization ... ok
[INFO] [stdout] test response::dcname::test::test_from_str ... ok
[INFO] [stdout] test response::dcname::test::test_to_string ... ok
[INFO] [stdout] test response::instance::tests::test_empty_map ... ok
[INFO] [stdout] test response::leaseinfo::tests::test_serialize ... ok
[INFO] [stdout] test response::status::test::test_from_string_ref ... ok
[INFO] [stdout] test response::instance::tests::test_instance_deserialization ... ok
[INFO] [stdout] test response::leaseinfo::tests::test_deserialize ... ok
[INFO] [stdout] test response::instance::tests::test_instance_serialization ... ok
[INFO] [stdout] test response::status::test::test_from_string ... ok
[INFO] [stdout] test response::dcname::test::test_from_str_invalid - should panic ... ok
[INFO] [stdout] test request::dcname::test::test_from_str_invalid - should panic ... ok
[INFO] [stdout] test response::action_type::test::test_from_str_invalid - should panic ... ok
[INFO] [stdout] test response::applications::tests::test_applications_serialize ... ok
[INFO] [stdout] test response::applications::tests::test_applications_multi_deserialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-a76d4f4fcfe776c3)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_deregister_instance ... ignored
[INFO] [stdout] test test_different_status_values ... ignored
[INFO] [stdout] test test_eureka_connectivity ... ignored
[INFO] [stdout] test test_full_applications ... ignored
[INFO] [stdout] test test_full_lifecycle ... ignored
[INFO] [stdout] test test_get_all_applications ... ignored
[INFO] [stdout] test test_get_application ... ignored
[INFO] [stdout] test test_get_nonexistent_application ... ignored
[INFO] [stdout] test test_register_instance ... ignored
[INFO] [stdout] test test_register_multiple_instances ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 10 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-e2cc0d442d2be2d3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test output_json ... ok
[INFO] [stdout] test test_register_with_mock_server ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_eureka
[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" "f28bcf75c41c495bf661f601a7f4cb78fa81293d0215e88f9a7ee96ca33d7b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28bcf75c41c495bf661f601a7f4cb78fa81293d0215e88f9a7ee96ca33d7b8d", kill_on_drop: false }`
[INFO] [stdout] f28bcf75c41c495bf661f601a7f4cb78fa81293d0215e88f9a7ee96ca33d7b8d