[INFO] fetching crate sophia_term 0.7.2...
[INFO] testing sophia_term-0.7.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate sophia_term 0.7.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sophia_term 0.7.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sophia_term 0.7.2
[INFO] finished tweaking crates.io crate sophia_term 0.7.2
[INFO] tweaked toml for crates.io crate sophia_term 0.7.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-case v1.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e6e8dbb0e1cac54cb191f648ec5a4f760d811e891ed04d63430181e1b754221
[INFO] running `Command { std: "docker" "start" "-a" "6e6e8dbb0e1cac54cb191f648ec5a4f760d811e891ed04d63430181e1b754221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e6e8dbb0e1cac54cb191f648ec5a4f760d811e891ed04d63430181e1b754221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6e8dbb0e1cac54cb191f648ec5a4f760d811e891ed04d63430181e1b754221", kill_on_drop: false }`
[INFO] [stdout] 6e6e8dbb0e1cac54cb191f648ec5a4f760d811e891ed04d63430181e1b754221
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62901e87ab67fb776ff5aa2c658d848a759217afd7b955df54c8627fc7947638
[INFO] running `Command { std: "docker" "start" "-a" "62901e87ab67fb776ff5aa2c658d848a759217afd7b955df54c8627fc7947638", kill_on_drop: false }`
[INFO] [stderr]    Compiling mownstr v0.1.3
[INFO] [stderr]    Compiling resiter v0.4.0
[INFO] [stderr]    Compiling weak-table v0.3.2
[INFO] [stderr]    Compiling oxilangtag v0.1.2
[INFO] [stderr]    Compiling sophia_iri v0.7.2
[INFO] [stderr]    Compiling sophia_api v0.7.2
[INFO] [stderr]    Compiling sophia_term v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "62901e87ab67fb776ff5aa2c658d848a759217afd7b955df54c8627fc7947638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62901e87ab67fb776ff5aa2c658d848a759217afd7b955df54c8627fc7947638", kill_on_drop: false }`
[INFO] [stdout] 62901e87ab67fb776ff5aa2c658d848a759217afd7b955df54c8627fc7947638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 929bfaceb37be2f67281529c671857982ab5f8ccf36744189e943d6a6c18a8de
[INFO] running `Command { std: "docker" "start" "-a" "929bfaceb37be2f67281529c671857982ab5f8ccf36744189e943d6a6c18a8de", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling test-case v1.2.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling sophia_iri v0.7.2
[INFO] [stderr]    Compiling sophia_api v0.7.2
[INFO] [stderr]    Compiling sophia_term v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.29s
[INFO] running `Command { std: "docker" "inspect" "929bfaceb37be2f67281529c671857982ab5f8ccf36744189e943d6a6c18a8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929bfaceb37be2f67281529c671857982ab5f8ccf36744189e943d6a6c18a8de", kill_on_drop: false }`
[INFO] [stdout] 929bfaceb37be2f67281529c671857982ab5f8ccf36744189e943d6a6c18a8de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8724ed4d9c797097ecd4cc336ade18de49ab38275f64faf17d830cf3ae929cdd
[INFO] running `Command { std: "docker" "start" "-a" "8724ed4d9c797097ecd4cc336ade18de49ab38275f64faf17d830cf3ae929cdd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sophia_term-3480838e4d4319b6)
[INFO] [stdout] 
[INFO] [stdout] running 172 tests
[INFO] [stdout] test blank_node::test::check_write_fmt::include_unallowed_char ... ok
[INFO] [stdout] test blank_node::test::check_write_fmt::mixed ... ok
[INFO] [stdout] test blank_node::test::check_write_io::no_questionmark ... ok
[INFO] [stdout] test blank_node::test::check_write_fmt::underscore ... ok
[INFO] [stdout] test blank_node::test::check_regex::mixed ... ok
[INFO] [stdout] test blank_node::test::check_regex::number ... ok
[INFO] [stdout] test blank_node::test::check_write_io::underscore ... ok
[INFO] [stdout] test blank_node::test::check_write_io::mixed ... ok
[INFO] [stdout] test blank_node::test::check_write_fmt::no_questionmark ... ok
[INFO] [stdout] test blank_node::test::check_write_io::number ... ok
[INFO] [stdout] test blank_node::test::check_regex::unallowed_char ... ok
[INFO] [stdout] test blank_node::test::check_regex::underscore ... ok
[INFO] [stdout] test blank_node::test::map ... ok
[INFO] [stdout] test blank_node::test::check_write_fmt::number ... ok
[INFO] [stdout] test blank_node::test::check_write_io::include_unallowed_char ... ok
[INFO] [stdout] test blank_node::test::check_write_fmt::empty ... ok
[INFO] [stdout] test blank_node::test::check_regex::empty ... ok
[INFO] [stdout] test blank_node::test::check_write_io::empty ... ok
[INFO] [stdout] test blank_node::test::check_regex::start_alpha ... ok
[INFO] [stdout] test literal::convert::test::convert_bool::bool ... ok
[INFO] [stdout] test literal::convert::test::convert_bool::float ... ok
[INFO] [stdout] test literal::convert::test::borrow_str ... ok
[INFO] [stdout] test literal::convert::test::convert_bool::million ... ok
[INFO] [stdout] test literal::convert::test::convert_bool::minus_ten ... ok
[INFO] [stdout] test literal::convert::test::convert_bool::string ... ok
[INFO] [stdout] test literal::convert::test::convert_bool::zero ... ok
[INFO] [stdout] test literal::convert::test::convert_f32::bool ... ok
[INFO] [stdout] test literal::convert::test::convert_bool::ten ... ok
[INFO] [stdout] test literal::convert::test::convert_f32::float ... ok
[INFO] [stdout] test literal::convert::test::convert_f32::million ... ok
[INFO] [stdout] test literal::convert::test::convert_f32::minus_ten ... ok
[INFO] [stdout] test literal::convert::test::convert_f32::string ... ok
[INFO] [stdout] test literal::convert::test::convert_f32::ten ... ok
[INFO] [stdout] test literal::convert::test::convert_f64::bool ... ok
[INFO] [stdout] test literal::convert::test::convert_f32::zero ... ok
[INFO] [stdout] test literal::convert::test::convert_f64::float ... ok
[INFO] [stdout] test literal::convert::test::convert_f64::million ... ok
[INFO] [stdout] test literal::convert::test::convert_f64::minus_ten ... ok
[INFO] [stdout] test literal::convert::test::convert_f64::string ... ok
[INFO] [stdout] test literal::convert::test::convert_f64::ten ... ok
[INFO] [stdout] test literal::convert::test::convert_f64::zero ... ok
[INFO] [stdout] test literal::convert::test::convert_i16::bool ... ok
[INFO] [stdout] test literal::convert::test::convert_i16::million ... ok
[INFO] [stdout] test literal::convert::test::convert_i16::minus_ten ... ok
[INFO] [stdout] test literal::convert::test::convert_i16::string ... ok
[INFO] [stdout] test literal::convert::test::convert_i16::float ... ok
[INFO] [stdout] test literal::convert::test::convert_i16::ten ... ok
[INFO] [stdout] test literal::convert::test::convert_i16::zero ... ok
[INFO] [stdout] test literal::convert::test::convert_i32::float ... ok
[INFO] [stdout] test literal::convert::test::convert_i32::million ... ok
[INFO] [stdout] test literal::convert::test::convert_i32::minus_ten ... ok
[INFO] [stdout] test literal::convert::test::convert_i32::string ... ok
[INFO] [stdout] test literal::convert::test::convert_i32::ten ... ok
[INFO] [stdout] test literal::convert::test::convert_i32::bool ... ok
[INFO] [stdout] test literal::convert::test::convert_i64::bool ... ok
[INFO] [stdout] test literal::convert::test::convert_i64::float ... ok
[INFO] [stdout] test literal::convert::test::convert_i32::zero ... ok
[INFO] [stdout] test literal::convert::test::convert_i64::ten ... ok
[INFO] [stdout] test literal::convert::test::convert_i64::string ... ok
[INFO] [stdout] test literal::convert::test::convert_i64::zero ... ok
[INFO] [stdout] test literal::convert::test::convert_i8::bool ... ok
[INFO] [stdout] test literal::convert::test::convert_i8::float ... ok
[INFO] [stdout] test literal::convert::test::convert_i8::million ... ok
[INFO] [stdout] test literal::convert::test::convert_i64::minus_ten ... ok
[INFO] [stdout] test literal::convert::test::convert_i64::million ... ok
[INFO] [stdout] test literal::convert::test::convert_i8::ten ... ok
[INFO] [stdout] test literal::convert::test::convert_i8::zero ... ok
[INFO] [stdout] test literal::convert::test::convert_string::bool ... ok
[INFO] [stdout] test literal::convert::test::convert_i8::minus_ten ... ok
[INFO] [stdout] test literal::convert::test::convert_i8::string ... ok
[INFO] [stdout] test literal::convert::test::convert_string::ten ... ok
[INFO] [stdout] test literal::convert::test::convert_string::zero ... ok
[INFO] [stdout] test literal::convert::test::convert_string::million ... ok
[INFO] [stdout] test literal::convert::test::convert_u16::bool ... ok
[INFO] [stdout] test literal::convert::test::convert_u16::float ... ok
[INFO] [stdout] test literal::convert::test::convert_u16::million ... ok
[INFO] [stdout] test literal::convert::test::convert_u16::minus_ten ... ok
[INFO] [stdout] test literal::convert::test::convert_string::minus_ten ... ok
[INFO] [stdout] test literal::convert::test::convert_u16::string ... ok
[INFO] [stdout] test literal::convert::test::convert_u16::zero ... ok
[INFO] [stdout] test literal::convert::test::convert_u16::ten ... ok
[INFO] [stdout] test literal::convert::test::convert_string::float ... ok
[INFO] [stdout] test literal::convert::test::convert_u64::string ... ok
[INFO] [stdout] test literal::convert::test::convert_u64::ten ... ok
[INFO] [stdout] test literal::convert::test::convert_u8::bool ... ok
[INFO] [stdout] test literal::convert::test::convert_u64::zero ... ok
[INFO] [stdout] test literal::convert::test::convert_u32::bool ... ok
[INFO] [stdout] test literal::convert::test::convert_u64::minus_ten ... ok
[INFO] [stdout] test literal::convert::test::convert_u8::float ... ok
[INFO] [stdout] test literal::convert::test::convert_u8::million ... ok
[INFO] [stdout] test literal::convert::test::convert_u32::float ... ok
[INFO] [stdout] test literal::convert::test::convert_u32::million ... ok
[INFO] [stdout] test literal::convert::test::convert_u32::minus_ten ... ok
[INFO] [stdout] test literal::convert::test::convert_u32::string ... ok
[INFO] [stdout] test literal::convert::test::convert_u32::ten ... ok
[INFO] [stdout] test literal::convert::test::convert_string::string ... ok
[INFO] [stdout] test literal::convert::test::convert_u32::zero ... ok
[INFO] [stdout] test literal::convert::test::convert_u64::bool ... ok
[INFO] [stdout] test literal::convert::test::convert_u64::float ... ok
[INFO] [stdout] test literal::convert::test::convert_u64::million ... ok
[INFO] [stdout] test literal::convert::test::convert_u8::minus_ten ... ok
[INFO] [stdout] test literal::convert::test::convert_u8::ten ... ok
[INFO] [stdout] test literal::convert::test::convert_u8::string ... ok
[INFO] [stdout] test literal::test::convert_to_mown_does_not_allocate ... ok
[INFO] [stdout] test literal::convert::test::convert_u8::zero ... ok
[INFO] [stdout] test test::bnode ... ok
[INFO] [stdout] test test::bnode_eq_different_term_data ... ok
[INFO] [stdout] test test::bnode_id_deref ... ok
[INFO] [stdout] test test::bnode_similar_but_not_eq ... ok
[INFO] [stdout] test test::bnode_id_eq_str ... ok
[INFO] [stdout] test test::bnode_is_not_n3 ... ok
[INFO] [stdout] test test::literal_dt ... ok
[INFO] [stdout] test test::literal_eq_different_case ... ok
[INFO] [stdout] test test::literal_lang ... ok
[INFO] [stdout] test test::literal_eq_different_term_data ... ok
[INFO] [stdout] test test::literal_similar_but_not_eq ... ok
[INFO] [stdout] test test::bnode_is_n3 ... ok
[INFO] [stdout] test variable::test::check_write_fmt::mixed ... ok
[INFO] [stdout] test variable::test::check_write_fmt::number ... ok
[INFO] [stdout] test variable::test::check_write_fmt::underscore ... ok
[INFO] [stdout] test variable::test::check_write_io::include_unallowed_char ... ok
[INFO] [stdout] test variable::test::check_regex::number ... ok
[INFO] [stdout] test variable::test::check_regex::no_questionmark ... ok
[INFO] [stdout] test variable::test::check_write_fmt::empty ... ok
[INFO] [stdout] test variable::test::check_write_io::empty ... ok
[INFO] [stdout] test variable::test::map ... ok
[INFO] [stdout] test variable::test::check_regex::empty ... ok
[INFO] [stdout] test variable::test::check_write_fmt::include_unallowed_char ... ok
[INFO] [stdout] test test::variable_similar_but_not_eq ... ok
[INFO] [stdout] test variable::test::check_write_fmt::no_questionmark ... ok
[INFO] [stdout] test variable::test::check_write_io::underscore ... ok
[INFO] [stdout] test variable::test::check_write_io::number ... ok
[INFO] [stdout] test variable::test::check_regex::underscore ... ok
[INFO] [stdout] test test::variable_eq_different_term_data ... ok
[INFO] [stdout] test variable::test::check_write_io::no_questionmark ... ok
[INFO] [stdout] test variable::test::check_regex::mixed ... ok
[INFO] [stdout] test variable::test::check_regex::include_unallowed_char ... ok
[INFO] [stdout] test variable::test::check_write_io::mixed ... ok
[INFO] [stdout] test test::variable ... ok
[INFO] [stdout] test test::iri_eq_different_term_data ... ok
[INFO] [stdout] test test::iri_normalized_no_suffix ... ok
[INFO] [stdout] test test::map_into ... ok
[INFO] [stdout] test test::map ... ok
[INFO] [stdout] test test::literal_normalized_no_suffix ... ok
[INFO] [stdout] test test::convert ... ok
[INFO] [stdout] test test::iri_eq_different_cut ... ok
[INFO] [stdout] test iri::test::eq_different_cut ... ok
[INFO] [stdout] test test::iri_similar_but_not_eq ... ok
[INFO] [stdout] test test::literal_normalized_last_gen_delim ... ok
[INFO] [stdout] test _display::test::terms ... ok
[INFO] [stdout] test iri::test::match_ns::simple ... ok
[INFO] [stdout] test iri::test::convert_to_mown_does_not_allocate ... ok
[INFO] [stdout] test iri::test::debug::check_unchecked_suffixed_positive ... ok
[INFO] [stdout] test literal::test::map ... ok
[INFO] [stdout] test iri::_join::test::resolve_namespace ... ok
[INFO] [stdout] test iri::test::display ... ok
[INFO] [stdout] test iri::test::debug::check_unchecked_positive ... ok
[INFO] [stdout] test test::term_similar_but_not_eq ... ok
[INFO] [stdout] test test::iri2 ... ok
[INFO] [stdout] test iri::test::match_ns::inverse ... ok
[INFO] [stdout] test test::iri_normalized_last_gen_delim ... ok
[INFO] [stdout] test iri::test::match_ns::same ... ok
[INFO] [stdout] test iri::test::map ... ok
[INFO] [stdout] test iri::test::match_ns::extended_suffix ... ok
[INFO] [stdout] test iri::test::match_ns::incomplete_suffix ... ok
[INFO] [stdout] test test::iri ... ok
[INFO] [stdout] test literal::test::resolve_to_mown_does_not_allocate_txt ... ok
[INFO] [stdout] test iri::_join::test::resolve_iri ... ok
[INFO] [stdout] test iri::_join::test::resolve_iri_term ... ok
[INFO] [stdout] test iri::_join::test::resolve_literal ... ok
[INFO] [stdout] test iri::test::debug::check_unchecked_negative - should panic ... ok
[INFO] [stdout] test iri::test::debug::check_unchecked_suffixed_negative - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 172 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sophia_term
[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" "8724ed4d9c797097ecd4cc336ade18de49ab38275f64faf17d830cf3ae929cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8724ed4d9c797097ecd4cc336ade18de49ab38275f64faf17d830cf3ae929cdd", kill_on_drop: false }`
[INFO] [stdout] 8724ed4d9c797097ecd4cc336ade18de49ab38275f64faf17d830cf3ae929cdd