[INFO] cloning repository https://github.com/Gravitalia/Polymath [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gravitalia/Polymath" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGravitalia%2FPolymath", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGravitalia%2FPolymath'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3b663c4e142019ba41f9e0377e49bbf7e420ed76 [INFO] building Gravitalia/Polymath against try#23647e694de8d0904848ad068b2e0ec2dd098c37+target=wasm32-wasip1 for pr-149868 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGravitalia%2FPolymath" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Gravitalia/Polymath [INFO] finished tweaking git repo https://github.com/Gravitalia/Polymath [INFO] tweaked toml for git repo https://github.com/Gravitalia/Polymath written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Gravitalia/Polymath on toolchain 23647e694de8d0904848ad068b2e0ec2dd098c37 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Gravitalia/Polymath 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" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] caf61586424130a13a279edda350efa25a7fd132676d2a61badbdba47ab5fc60 [INFO] running `Command { std: "docker" "start" "-a" "caf61586424130a13a279edda350efa25a7fd132676d2a61badbdba47ab5fc60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "caf61586424130a13a279edda350efa25a7fd132676d2a61badbdba47ab5fc60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "caf61586424130a13a279edda350efa25a7fd132676d2a61badbdba47ab5fc60", kill_on_drop: false }` [INFO] [stdout] caf61586424130a13a279edda350efa25a7fd132676d2a61badbdba47ab5fc60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "build" "--frozen" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }` [INFO] [stdout] 650131a6f7c7b318ad7ac87eb2f5d68be40aa9cbd1a8a8e15f07af37188a602e [INFO] running `Command { std: "docker" "start" "-a" "650131a6f7c7b318ad7ac87eb2f5d68be40aa9cbd1a8a8e15f07af37188a602e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.84 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling cc v1.0.99 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling mac v0.1.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling dtoa v1.0.9 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling rustls v0.23.10 [INFO] [stderr] Compiling miniz_oxide v0.7.3 [INFO] [stderr] Compiling servo_arc v0.3.0 [INFO] [stderr] Compiling futf v0.1.5 [INFO] [stderr] Compiling dtoa-short v0.3.5 [INFO] [stderr] Compiling phf v0.10.1 [INFO] [stderr] Compiling tendril v0.4.3 [INFO] [stderr] Compiling zeroize v1.8.1 [INFO] [stderr] Compiling zerocopy v0.7.34 [INFO] [stderr] Compiling bitflags v2.5.0 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling anstyle-parse v0.2.4 [INFO] [stderr] Compiling url v2.5.2 [INFO] [stderr] Compiling webpki-roots v0.26.2 [INFO] [stderr] Compiling anstyle v1.0.8 [INFO] [stderr] Compiling ego-tree v0.6.2 [INFO] [stderr] Compiling flate2 v1.0.30 [INFO] [stderr] Compiling anstyle-query v1.0.3 [INFO] [stderr] Compiling polymath-error v0.1.0 (/opt/rustwide/workdir/crates/polymath-error) [INFO] [stderr] Compiling anstream v0.6.14 [INFO] [stderr] Compiling polymath-queue v0.1.0 (/opt/rustwide/workdir/crates/polymath-queue) [INFO] [stderr] Compiling polymath-cache v0.1.0 (/opt/rustwide/workdir/crates/polymath-cache) [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling robots v0.0.1 (/opt/rustwide/workdir/extensions/robots) [INFO] [stderr] Compiling sitemap v0.0.1 (/opt/rustwide/workdir/extensions/sitemap) [INFO] [stderr] Compiling solr v0.1.0 (/opt/rustwide/workdir/extensions/solr) [INFO] [stderr] Compiling tracing-subscriber v0.3.18 [INFO] [stderr] Compiling clap_builder v4.5.20 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Compiling phf_generator v0.10.0 [INFO] [stderr] Compiling phf_generator v0.11.2 [INFO] [stderr] Compiling phf_codegen v0.11.2 [INFO] [stderr] Compiling string_cache_codegen v0.5.2 [INFO] [stderr] Compiling phf_codegen v0.10.0 [INFO] [stderr] Compiling selectors v0.25.0 [INFO] [stderr] Compiling markup5ever v0.12.1 [INFO] [stderr] Compiling clap v4.5.20 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling rustls-webpki v0.102.4 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling phf_macros v0.11.2 [INFO] [stderr] Compiling html5ever v0.27.0 [INFO] [stderr] Compiling cssparser-macros v0.6.1 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling clap_derive v4.5.11 [INFO] [stderr] Compiling phf v0.11.2 [INFO] [stderr] Compiling cssparser v0.31.2 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling ureq v2.10.0 [INFO] [stderr] Compiling scraper v0.19.1 [INFO] [stderr] Compiling polymath-crawler v0.1.0 (/opt/rustwide/workdir/crates/polymath-crawler) [INFO] [stderr] Compiling polymath-cli v0.1.0 (/opt/rustwide/workdir/cli) [INFO] [stderr] Compiling polymath v0.1.0 (/opt/rustwide/workdir/crates/polymath) [INFO] [stdout] warning: unused import: `command` [INFO] [stdout] --> cli/src/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | use clap::{command, Parser as _}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.10s [INFO] running `Command { std: "docker" "inspect" "650131a6f7c7b318ad7ac87eb2f5d68be40aa9cbd1a8a8e15f07af37188a602e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "650131a6f7c7b318ad7ac87eb2f5d68be40aa9cbd1a8a8e15f07af37188a602e", kill_on_drop: false }` [INFO] [stdout] 650131a6f7c7b318ad7ac87eb2f5d68be40aa9cbd1a8a8e15f07af37188a602e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "test" "--frozen" "--no-run" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }` [INFO] [stdout] 13dc0ba385640e0c313891d030e34f3f000688fb4b8602ac2ce5623916bdd80b [INFO] running `Command { std: "docker" "start" "-a" "13dc0ba385640e0c313891d030e34f3f000688fb4b8602ac2ce5623916bdd80b", kill_on_drop: false }` [INFO] [stderr] Compiling solr v0.1.0 (/opt/rustwide/workdir/extensions/solr) [INFO] [stderr] Compiling polymath-cache v0.1.0 (/opt/rustwide/workdir/crates/polymath-cache) [INFO] [stderr] Compiling polymath-error v0.1.0 (/opt/rustwide/workdir/crates/polymath-error) [INFO] [stderr] Compiling sitemap v0.0.1 (/opt/rustwide/workdir/extensions/sitemap) [INFO] [stderr] Compiling polymath-queue v0.1.0 (/opt/rustwide/workdir/crates/polymath-queue) [INFO] [stderr] Compiling robots v0.0.1 (/opt/rustwide/workdir/extensions/robots) [INFO] [stderr] Compiling polymath-crawler v0.1.0 (/opt/rustwide/workdir/crates/polymath-crawler) [INFO] [stderr] Compiling polymath v0.1.0 (/opt/rustwide/workdir/crates/polymath) [INFO] [stderr] Compiling polymath-cli v0.1.0 (/opt/rustwide/workdir/cli) [INFO] [stdout] warning: unused import: `command` [INFO] [stdout] --> cli/src/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | use clap::{command, Parser as _}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `rust-lld` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "rust-lld" "-flavor" "wasm" "--export" "__main_void" "--export" "ring_core_0_17_8_bn_mul_mont" "-z" "stack-size=1048576" "--stack-first" "--no-demangle" "/lib/rustlib/wasm32-wasip1/lib/self-contained/crt1-command.o" "<2 object files omitted>" "/lib/rustlib/wasm32-wasip1/lib/{libpanic_abort-*,libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/wasm32-wasip1/debug/deps/{libureq-58d19322ebc85a65,libwebpki_roots-251d27a146e6be4a,librustls-d56e1437621557bf,libsubtle-343c9aa3d9f7d536,libwebpki-bea25a7b535aa8b9,libring-f941e4622bcb9d60,libuntrusted-f7f5e2e679817f68,libzeroize-45bfc24bfbceb526,librustls_pki_types-bfaf1b3be51ebb3c,libflate2-47f4c690118cb85f,libminiz_oxide-4d01129616138c79,libadler-5d585fd5ceaaf370,libcrc32fast-e0220637d8011755,libbase64-ee50786c9cbbc86e,liburl-78e688c05f94637c,libidna-22d636fcf58f8d55,libunicode_normalization-133e712272e75295,libtinyvec-04f7082c6ffbb554,libtinyvec_macros-dddcb2da28b34270,libunicode_bidi-d5259893ecfd256c,libform_urlencoded-a1f00ef252a83975,libpercent_encoding-0902f23ed4a1beb9,libtracing-0a74565259160bc7,libpin_project_lite-31e2d3f271086d5c,libtracing_core-7829155b4408ca22,libpolymath_cache-c5e3c16206386356,libscraper-a38d25f6ee7e2d4c,libahash-4e9f7461b51874ee,libgetrandom-c8a3aac06f548bf4,libwasi-b9c6bfbff0bef49f,libzerocopy-162566f6299217a1,libego_tree-ac7759d768052d6e,libselectors-5d5b201e1d04981e,libservo_arc-41b7ac0b89f5086a,libstable_deref_trait-60512d946aa3bd44,libphf-91259af158d21a04,libfxhash-1073feecf7f5ac90,libbyteorder-529cc76400af54b3,libcssparser-9d8f56c21c4f23ae,libitoa-323c19d08fbe6984,libdtoa_short-f0d3eb154b6d79e9,libdtoa-7fa62cf1c0d3271f,libbitflags-23dfb783786438a3,libhtml5ever-1676a615837f3d95,liblog-d9db30ba285313c6,libmarkup5ever-41cb75310b5900b8,libstring_cache-f0127e046849203d,libprecomputed_hash-faa574d10fc6d195,libphf_shared-1c418ea718830624,libserde-9a363b69c5e91afc,libparking_lot-00a1a9e70ceaa3a1,libparking_lot_core-ab7e1e950bd46fa5,libcfg_if-50b02a9e3502ecf2,libsmallvec-dd22fcde2487057b,liblock_api-0d2442c8d29856a8,libscopeguard-8bf53ae5771a3088,libonce_cell-119600c39ce58a96,libphf-a0d5843049fadae7,libphf_shared-00d7f401a2f82c56,libsiphasher-bcaed8f5af22bf9c,libtendril-ac97bf7fac9788fb,libutf8-f7657666c523ef48,libfutf-4156aad9682ea5bc,libdebug_unreachable-1ef33346e67b87f3,libmac-7bfe93dc690c91c5,libpolymath_error-6151c06a55a2532a,libregex_lite-85dab8d56092706b,liblazy_static-6cae036cc417a885}.rlib" "/lib/rustlib/wasm32-wasip1/lib/{libstd-*,libwasi-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*}.rlib" "-l" "c" "/lib/rustlib/wasm32-wasip1/lib/{librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/wasm32-wasip1/debug/build/ring-3b23643ea5b3636b/out" "-L" "/lib/rustlib/wasm32-wasip1/lib/self-contained" "-o" "/opt/rustwide/target/wasm32-wasip1/debug/deps/polymath_crawler-7a1f6caaa14734e2.wasm" "--gc-sections" "-O0" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/deps/libring-f941e4622bcb9d60.rlib: archive member 'fad98b632b8ce3cc-curve25519.o' is neither Wasm object file nor LLVM bitcode [INFO] [stdout] rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/deps/libring-f941e4622bcb9d60.rlib: archive member 'ca4b6ef5433f5aeb-aes_nohw.o' is neither Wasm object file nor LLVM bitcode [INFO] [stdout] rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/deps/libring-f941e4622bcb9d60.rlib: archive member 'ca8bd8684bb569fa-montgomery.o' is neither Wasm object file nor LLVM bitcode [INFO] [stdout] rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/deps/libring-f941e4622bcb9d60.rlib: archive member 'ca8bd8684bb569fa-montgomery_inv.o' is neither Wasm object file nor LLVM bitcode [INFO] [stdout] rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/deps/libring-f941e4622bcb9d60.rlib: archive member 'a9af75d892b04b75-ecp_nistz.o' is neither Wasm object file nor LLVM bitcode [INFO] [stdout] rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/deps/libring-f941e4622bcb9d60.rlib: archive member 'a9af75d892b04b75-gfp_p256.o' is neither Wasm object file nor LLVM bitcode [INFO] [stdout] rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/deps/libring-f941e4622bcb9d60.rlib: archive member 'a9af75d892b04b75-gfp_p384.o' is neither Wasm object file nor LLVM bitcode [INFO] [stdout] rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/deps/libring-f941e4622bcb9d60.rlib: archive member 'a9af75d892b04b75-p256.o' is neither Wasm object file nor LLVM bitcode [INFO] [stdout] rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/deps/libring-f941e4622bcb9d60.rlib: archive member 'a1949f2101df4b9c-limbs.o' is neither Wasm object file nor LLVM bitcode [INFO] [stdout] rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/deps/libring-f941e4622bcb9d60.rlib: archive member '7effb53edfc7fa2d-mem.o' is neither Wasm object file nor LLVM bitcode [INFO] [stdout] rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/deps/libring-f941e4622bcb9d60.rlib: archive member 'bec76f70393ddef1-poly1305.o' is neither Wasm object file nor LLVM bitcode [INFO] [stdout] rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/deps/libring-f941e4622bcb9d60.rlib: archive member '7effb53edfc7fa2d-constant_time_test.o' is neither Wasm object file nor LLVM bitcode [INFO] [stdout] rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libring-f941e4622bcb9d60.rlib(ring-f941e4622bcb9d60.ring.f209920c588c3cbe-cgu.07.rcgu.o): undefined symbol: ring_core_0_17_8_bn_from_montgomery_in_place [INFO] [stdout] rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libring-f941e4622bcb9d60.rlib(ring-f941e4622bcb9d60.ring.f209920c588c3cbe-cgu.07.rcgu.o): undefined symbol: ring_core_0_17_8_limbs_mul_add_limb [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `polymath-crawler` (lib test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "13dc0ba385640e0c313891d030e34f3f000688fb4b8602ac2ce5623916bdd80b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13dc0ba385640e0c313891d030e34f3f000688fb4b8602ac2ce5623916bdd80b", kill_on_drop: false }` [INFO] [stdout] 13dc0ba385640e0c313891d030e34f3f000688fb4b8602ac2ce5623916bdd80b