[INFO] fetching crate tugger-apple-codesign 0.7.0... [INFO] testing tugger-apple-codesign-0.7.0 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate tugger-apple-codesign 0.7.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate tugger-apple-codesign 0.7.0 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 tugger-apple-codesign 0.7.0 [INFO] finished tweaking crates.io crate tugger-apple-codesign 0.7.0 [INFO] tweaked toml for crates.io crate tugger-apple-codesign 0.7.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate crates.io crate tugger-apple-codesign 0.7.0 already has a lockfile, it will not be regenerated [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 bcder v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 41f4e678eee5040a9d50f8564684a0b003441e62d4b48742e16e3acae1f5bcc8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "41f4e678eee5040a9d50f8564684a0b003441e62d4b48742e16e3acae1f5bcc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "41f4e678eee5040a9d50f8564684a0b003441e62d4b48742e16e3acae1f5bcc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41f4e678eee5040a9d50f8564684a0b003441e62d4b48742e16e3acae1f5bcc8", kill_on_drop: false }` [INFO] [stdout] 41f4e678eee5040a9d50f8564684a0b003441e62d4b48742e16e3acae1f5bcc8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] b14bcaecb39942520554a46401b20a5e6d6d63637f4ea5cef420784506fda69f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b14bcaecb39942520554a46401b20a5e6d6d63637f4ea5cef420784506fda69f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling encoding_rs v0.8.29 [INFO] [stderr] Compiling tugger-file-manifest v0.6.0 [INFO] [stderr] Compiling yasna v0.4.0 [INFO] [stderr] Compiling tokio v1.12.0 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling line-wrap v0.1.1 [INFO] [stderr] Compiling bcder v0.6.0 [INFO] [stderr] Compiling tracing v0.1.29 [INFO] [stderr] Compiling http-body v0.4.4 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling socket2 v0.4.2 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling shared_child v0.3.5 [INFO] [stderr] Compiling os_pipe v0.9.2 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling duct v0.13.5 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling crypto-mac v0.11.1 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling scroll_derive v0.10.5 [INFO] [stderr] Compiling pem v1.0.1 [INFO] [stderr] Compiling block-modes v0.8.1 [INFO] [stderr] Compiling rc2 v0.7.0 [INFO] [stderr] Compiling des v0.7.0 [INFO] [stderr] Compiling sha-1 v0.9.8 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling hmac v0.11.0 [INFO] [stderr] Compiling p12 v0.3.3 [INFO] [stderr] Compiling slog-term v2.8.0 [INFO] [stderr] Compiling scroll v0.10.2 [INFO] [stderr] Compiling goblin v0.4.3 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling webpki v0.21.4 [INFO] [stderr] Compiling sct v0.6.1 [INFO] [stderr] Compiling x509-certificate v0.4.0 [INFO] [stderr] Compiling rustls v0.19.1 [INFO] [stderr] Compiling webpki-roots v0.21.1 [INFO] [stderr] Compiling tokio-util v0.6.8 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling h2 v0.3.7 [INFO] [stderr] Compiling tokio-rustls v0.22.0 [INFO] [stderr] Compiling serde_urlencoded v0.7.0 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Compiling plist v1.2.1 [INFO] [stderr] Compiling hyper v0.14.14 [INFO] [stderr] Compiling apple-bundles v0.6.0 [INFO] [stderr] Compiling tugger-apple v0.5.0 [INFO] [stderr] Compiling hyper-rustls v0.22.1 [INFO] [stderr] Compiling reqwest v0.11.6 [INFO] [stderr] Compiling cryptographic-message-syntax v0.5.0 [INFO] [stderr] Compiling tugger-apple-codesign v0.7.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 21s [INFO] running `Command { std: "docker" "inspect" "b14bcaecb39942520554a46401b20a5e6d6d63637f4ea5cef420784506fda69f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b14bcaecb39942520554a46401b20a5e6d6d63637f4ea5cef420784506fda69f", kill_on_drop: false }` [INFO] [stdout] b14bcaecb39942520554a46401b20a5e6d6d63637f4ea5cef420784506fda69f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2226aecfcb91954de6a757e9d380d64d6975229b7c3530211c1f581eb85fe21b [INFO] running `Command { std: "docker" "start" "-a" "2226aecfcb91954de6a757e9d380d64d6975229b7c3530211c1f581eb85fe21b", kill_on_drop: false }` [INFO] [stderr] Compiling tugger-apple-codesign v0.7.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 24.26s [INFO] running `Command { std: "docker" "inspect" "2226aecfcb91954de6a757e9d380d64d6975229b7c3530211c1f581eb85fe21b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2226aecfcb91954de6a757e9d380d64d6975229b7c3530211c1f581eb85fe21b", kill_on_drop: false }` [INFO] [stdout] 2226aecfcb91954de6a757e9d380d64d6975229b7c3530211c1f581eb85fe21b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 9db8408ff42e92d16846f066e401f993da702f29b51efcd5cf16d7d9df8754d6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9db8408ff42e92d16846f066e401f993da702f29b51efcd5cf16d7d9df8754d6", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.32s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tugger_apple_codesign-52da1d4690a83d18) [INFO] [stdout] [INFO] [stdout] running 62 tests [INFO] [stdout] test code_directory::tests::code_signature_flags_from_str ... ok [INFO] [stdout] test certificate::tests::generate_self_signed_certificate_ed25519 ... ok [INFO] [stdout] test code_requirement::test::parse_anchor_apple_generic ... ok [INFO] [stdout] test code_requirement::test::parse_anchor_apple ... ok [INFO] [stdout] test apple_certificates::test::all ... ok [INFO] [stdout] test apple_certificates::test::apple_root_ca ... ok [INFO] [stdout] test code_requirement::test::parse_anchor_trusted ... ok [INFO] [stdout] test code_requirement::test::parse_anchor_certificate_hash ... ok [INFO] [stdout] test code_requirement::test::parse_and ... ok [INFO] [stdout] test apple_certificates::test::intermediate_have_apple_ca_extension ... ok [INFO] [stdout] test certificate::tests::cms_self_signed_certificate_signing_ed25519 ... ok [INFO] [stdout] test certificate::tests::generate_self_signed_certificate_ecdsa ... ok [INFO] [stdout] test certificate::tests::generate_all_profiles ... ok [INFO] [stdout] test certificate::tests::cms_self_signed_certificate_signing_ecdsa ... ok [INFO] [stdout] test code_requirement::test::parse_certificate_trusted ... ok [INFO] [stdout] test code_requirement::test::parse_certificate_field ... ok [INFO] [stdout] test code_requirement::test::parse_identifier ... ok [INFO] [stdout] test code_requirement::test::parse_legacy ... ok [INFO] [stdout] test code_requirement::test::parse_match_absent ... ok [INFO] [stdout] test code_requirement::test::parse_blob ... ok [INFO] [stdout] test code_requirement::test::parse_certificate_field_date ... ok [INFO] [stdout] test code_requirement::test::parse_match_before ... ok [INFO] [stdout] test code_requirement::test::parse_match_contains ... ok [INFO] [stdout] test code_requirement::test::parse_false ... ok [INFO] [stdout] test code_requirement::test::parse_match_after ... ok [INFO] [stdout] test code_requirement::test::parse_match_equal ... ok [INFO] [stdout] test code_requirement::test::parse_match_begins_with ... ok [INFO] [stdout] test code_requirement::test::parse_match_greater_than ... ok [INFO] [stdout] test code_requirement::test::parse_match_greater_than_equal ... ok [INFO] [stdout] test code_requirement::test::parse_match_less_than ... ok [INFO] [stdout] test code_requirement::test::parse_match_less_than_equal ... ok [INFO] [stdout] test code_requirement::test::parse_entitlements_key ... ok [INFO] [stdout] test code_requirement::test::parse_match_ends_with ... ok [INFO] [stdout] test code_requirement::test::parse_match_on_or_before ... ok [INFO] [stdout] test code_requirement::test::parse_named_anchor ... ok [INFO] [stdout] test code_requirement::test::parse_code_directory_hash ... ok [INFO] [stdout] test code_requirement::test::parse_info_plist_key_field ... ok [INFO] [stdout] test code_requirement::test::parse_certificate_generic ... ok [INFO] [stdout] test code_requirement::test::parse_match_exists ... ok [INFO] [stdout] test code_requirement::test::parse_notarized ... ok [INFO] [stdout] test code_requirement::test::parse_platform ... ok [INFO] [stdout] test code_requirement::test::parse_named_code ... ok [INFO] [stdout] test code_requirement::test::parse_match_on_or_after ... ok [INFO] [stdout] test code_requirement::test::parse_match_on ... ok [INFO] [stdout] test code_requirement::test::parse_not ... ok [INFO] [stdout] test code_requirement::test::parse_or ... ok [INFO] [stdout] test policy::test::get_policies ... ok [INFO] [stdout] test signing::tests::as_bundle_macho_settings ... ok [INFO] [stdout] test code_requirement::test::parse_certificate_policy ... ok [INFO] [stdout] test signing::tests::as_nested_macho_settings ... ok [INFO] [stdout] test code_requirement::test::parse_true ... ok [INFO] [stdout] test signing::tests::parse_settings_scope ... ok [INFO] [stdout] test signing::tests::as_nested_bundle_settings ... ok [INFO] [stdout] test code_resources::tests::parse_firefox ... ok [INFO] [stdout] test certificate::tests::apple_developer_id_application ... ok [INFO] [stdout] test certificate::tests::apple_developer_id_installer ... ok [INFO] [stdout] test certificate::tests::apple_development ... ok [INFO] [stdout] test certificate::tests::apple_distribution ... ok [INFO] [stdout] test certificate::tests::third_mac_mac ... ok [INFO] [stdout] test certificate::tests::parse_keychain_p12_export ... ok [INFO] [stdout] test apple_certificates::test::chaining ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rcodesign-b7d1333daee01f81) [INFO] [stdout] test macho::tests::parse_applications_macho_signatures ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 62 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.44s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 62 tests [INFO] [stdout] test code_directory::tests::code_signature_flags_from_str ... ok [INFO] [stdout] test certificate::tests::generate_all_profiles ... ok [INFO] [stdout] test certificate::tests::generate_self_signed_certificate_ed25519 ... ok [INFO] [stdout] test apple_certificates::test::apple_root_ca ... ok [INFO] [stdout] test apple_certificates::test::intermediate_have_apple_ca_extension ... ok [INFO] [stdout] test certificate::tests::generate_self_signed_certificate_ecdsa ... ok [INFO] [stdout] test code_requirement::test::parse_anchor_trusted ... ok [INFO] [stdout] test code_requirement::test::parse_and ... ok [INFO] [stdout] test code_requirement::test::parse_anchor_certificate_hash ... ok [INFO] [stdout] test certificate::tests::cms_self_signed_certificate_signing_ecdsa ... ok [INFO] [stdout] test apple_certificates::test::all ... ok [INFO] [stdout] test code_requirement::test::parse_certificate_field_date ... ok [INFO] [stdout] test code_requirement::test::parse_certificate_generic ... ok [INFO] [stdout] test code_requirement::test::parse_blob ... ok [INFO] [stdout] test code_requirement::test::parse_anchor_apple_generic ... ok [INFO] [stdout] test code_requirement::test::parse_entitlements_key ... ok [INFO] [stdout] test code_requirement::test::parse_anchor_apple ... ok [INFO] [stdout] test code_requirement::test::parse_certificate_policy ... ok [INFO] [stdout] test code_requirement::test::parse_certificate_trusted ... ok [INFO] [stdout] test code_requirement::test::parse_code_directory_hash ... ok [INFO] [stdout] test code_requirement::test::parse_match_before ... ok [INFO] [stdout] test certificate::tests::cms_self_signed_certificate_signing_ed25519 ... ok [INFO] [stdout] test code_requirement::test::parse_certificate_field ... ok [INFO] [stdout] test code_requirement::test::parse_match_after ... ok [INFO] [stdout] test code_requirement::test::parse_match_absent ... ok [INFO] [stdout] test code_requirement::test::parse_match_begins_with ... ok [INFO] [stdout] test code_requirement::test::parse_identifier ... ok [INFO] [stdout] test code_requirement::test::parse_info_plist_key_field ... ok [INFO] [stdout] test code_requirement::test::parse_match_contains ... ok [INFO] [stdout] test code_requirement::test::parse_match_equal ... ok [INFO] [stdout] test code_requirement::test::parse_match_less_than_equal ... ok [INFO] [stdout] test code_requirement::test::parse_match_greater_than_equal ... ok [INFO] [stdout] test code_requirement::test::parse_match_exists ... ok [INFO] [stdout] test code_requirement::test::parse_match_on_or_after ... ok [INFO] [stdout] test code_requirement::test::parse_match_on_or_before ... ok [INFO] [stdout] test code_requirement::test::parse_false ... ok [INFO] [stdout] test code_requirement::test::parse_match_ends_with ... ok [INFO] [stdout] test code_requirement::test::parse_match_greater_than ... ok [INFO] [stdout] test code_requirement::test::parse_named_anchor ... ok [INFO] [stdout] test code_requirement::test::parse_legacy ... ok [INFO] [stdout] test code_requirement::test::parse_match_less_than ... ok [INFO] [stdout] test code_requirement::test::parse_platform ... ok [INFO] [stdout] test code_requirement::test::parse_notarized ... ok [INFO] [stdout] test code_requirement::test::parse_not ... ok [INFO] [stdout] test code_requirement::test::parse_true ... ok [INFO] [stdout] test code_requirement::test::parse_match_on ... ok [INFO] [stdout] test signing::tests::as_nested_bundle_settings ... ok [INFO] [stdout] test signing::tests::parse_settings_scope ... ok [INFO] [stdout] test policy::test::get_policies ... ok [INFO] [stdout] test signing::tests::as_nested_macho_settings ... ok [INFO] [stdout] test signing::tests::as_bundle_macho_settings ... ok [INFO] [stdout] test code_resources::tests::parse_firefox ... ok [INFO] [stdout] test code_requirement::test::parse_or ... ok [INFO] [stdout] test code_requirement::test::parse_named_code ... ok [INFO] [stdout] test certificate::tests::third_mac_mac ... ok [INFO] [stdout] test macho::tests::parse_applications_macho_signatures ... ok [INFO] [stdout] test certificate::tests::apple_developer_id_application ... ok [INFO] [stdout] test certificate::tests::apple_distribution ... ok [INFO] [stdout] test certificate::tests::apple_development ... ok [INFO] [stdout] test certificate::tests::apple_developer_id_installer ... ok [INFO] [stdout] test certificate::tests::parse_keychain_p12_export ... ok [INFO] [stderr] Doc-tests tugger-apple-codesign [INFO] [stdout] test apple_certificates::test::chaining ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 62 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.82s [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" "9db8408ff42e92d16846f066e401f993da702f29b51efcd5cf16d7d9df8754d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9db8408ff42e92d16846f066e401f993da702f29b51efcd5cf16d7d9df8754d6", kill_on_drop: false }` [INFO] [stdout] 9db8408ff42e92d16846f066e401f993da702f29b51efcd5cf16d7d9df8754d6