[INFO] fetching crate djoc 0.1.0... [INFO] documenting djoc-0.1.0 against 1.81.0 for beta-1.82-rustdoc-1 [INFO] extracting crate djoc 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate djoc 0.1.0 on toolchain 1.81.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate djoc 0.1.0 [INFO] finished tweaking crates.io crate djoc 0.1.0 [INFO] tweaked toml for crates.io crate djoc 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate djoc 0.1.0 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" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded watchexec v1.17.2 [INFO] [stderr] Downloaded tectonic_cfg_support v0.1.4 [INFO] [stderr] Downloaded tectonic_geturl v0.3.1 [INFO] [stderr] Downloaded tectonic_bridge_icu v0.2.0 [INFO] [stderr] Downloaded tectonic_dep_support v0.1.0 [INFO] [stderr] Downloaded tectonic_bridge_graphite2 v0.2.1 [INFO] [stderr] Downloaded tectonic_bridge_flate v0.1.6 [INFO] [stderr] Downloaded chrono-tz-build v0.0.2 [INFO] [stderr] Downloaded numerals v0.1.4 [INFO] [stderr] Downloaded tectonic_status_base v0.2.0 [INFO] [stderr] Downloaded tectonic_bridge_freetype2 v0.2.0 [INFO] [stderr] Downloaded byte-unit v4.0.19 [INFO] [stderr] Downloaded tectonic_bridge_core v0.3.1 [INFO] [stderr] Downloaded tectonic_xdv v0.2.1 [INFO] [stderr] Downloaded tectonic_io_base v0.4.1 [INFO] [stderr] Downloaded tectonic_engine_bibtex v0.1.4 [INFO] [stderr] Downloaded humansize v2.1.3 [INFO] [stderr] Downloaded ducc v0.1.5 [INFO] [stderr] Downloaded tectonic_bundles v0.3.0 [INFO] [stderr] Downloaded biblatex v0.8.0 [INFO] [stderr] Downloaded katex v0.4.6 [INFO] [stderr] Downloaded tera v1.18.1 [INFO] [stderr] Downloaded clearscreen v1.0.11 [INFO] [stderr] Downloaded pure-rust-locales v0.5.6 [INFO] [stderr] Downloaded openssl-sys v0.9.85 [INFO] [stderr] Downloaded jotdown v0.2.0 [INFO] [stderr] Downloaded pinot v0.1.5 [INFO] [stderr] Downloaded ignore v0.4.17 [INFO] [stderr] Downloaded openssl v0.10.50 [INFO] [stderr] Downloaded tectonic_engine_xdvipdfmx v0.4.0 [INFO] [stderr] Downloaded tectonic_engine_xetex v0.4.1 [INFO] [stderr] Downloaded command-group v1.0.8 [INFO] [stderr] Downloaded isolang v2.2.0 [INFO] [stderr] Downloaded tectonic_engine_spx2html v0.2.1 [INFO] [stderr] Downloaded tectonic_pdf_io v0.4.0 [INFO] [stderr] Downloaded app_dirs2 v2.5.5 [INFO] [stderr] Downloaded tectonic_xetex_layout v0.2.1 [INFO] [stderr] Downloaded chrono-tz v0.6.1 [INFO] [stderr] Downloaded ducc-sys v0.1.2 [INFO] [stderr] Downloaded tectonic_bridge_harfbuzz v0.2.7 [INFO] [stderr] Downloaded tectonic v0.12.0 [INFO] [stderr] Downloaded openssl-src v111.25.2+1.1.1t [INFO] [stderr] Downloaded hayagriva v0.3.0 [INFO] [stderr] Downloaded open v1.7.1 [INFO] [stderr] Downloaded tectonic_errors v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] babe9dd305b33e1103ee08bbc2871fde80dc2aef6a1cd4fb79b15be89dffb741 [INFO] running `Command { std: "docker" "start" "-a" "babe9dd305b33e1103ee08bbc2871fde80dc2aef6a1cd4fb79b15be89dffb741", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "babe9dd305b33e1103ee08bbc2871fde80dc2aef6a1cd4fb79b15be89dffb741", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "babe9dd305b33e1103ee08bbc2871fde80dc2aef6a1cd4fb79b15be89dffb741", kill_on_drop: false }` [INFO] [stdout] babe9dd305b33e1103ee08bbc2871fde80dc2aef6a1cd4fb79b15be89dffb741 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ead57fd4717cfb99dc64e9e4d711caeb844b4446b273f8942bde03dc3bdab01 [INFO] running `Command { std: "docker" "start" "-a" "1ead57fd4717cfb99dc64e9e4d711caeb844b4446b273f8942bde03dc3bdab01", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling libc v0.2.141 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Compiling thiserror v1.0.40 [INFO] [stderr] Compiling tectonic_dep_support v0.1.0 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling uncased v0.9.7 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Checking miniz_oxide v0.6.2 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling serde_derive v1.0.160 [INFO] [stderr] Compiling syn v2.0.14 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling getrandom v0.2.9 [INFO] [stderr] Compiling libz-sys v1.1.8 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling tectonic_bridge_core v0.3.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling serde v1.0.160 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Compiling anyhow v1.0.70 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling tectonic_cfg_support v0.1.4 [INFO] [stderr] Checking flate2 v1.0.25 [INFO] [stderr] Compiling openssl-src v111.25.2+1.1.1t [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Compiling openssl-sys v0.9.85 [INFO] [stderr] Checking tectonic_errors v0.2.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Checking tectonic_status_base v0.2.0 [INFO] [stderr] Checking xdg v2.4.1 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling tokio v1.27.0 [INFO] [stderr] Checking percent-encoding v2.2.0 [INFO] [stderr] Checking cpufeatures v0.2.6 [INFO] [stderr] Checking sha2 v0.9.9 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Checking app_dirs2 v2.5.5 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking mio v0.8.6 [INFO] [stderr] Compiling tectonic_bridge_graphite2 v0.2.1 [INFO] [stderr] Compiling tectonic_bridge_icu v0.2.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling tectonic_bridge_flate v0.1.6 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking tracing-core v0.1.30 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling openssl v0.10.50 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking regex v1.7.3 [INFO] [stderr] Compiling phf_generator v0.10.0 [INFO] [stderr] Checking form_urlencoded v1.1.0 [INFO] [stderr] Checking http v0.2.9 [INFO] [stderr] Checking md-5 v0.9.1 [INFO] [stderr] Compiling tectonic_pdf_io v0.4.0 [INFO] [stderr] Compiling tectonic_bridge_harfbuzz v0.2.7 [INFO] [stderr] Compiling thiserror-impl v1.0.40 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling tectonic_bridge_freetype2 v0.2.0 [INFO] [stderr] Compiling phf_shared v0.11.1 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking tokio-util v0.7.7 [INFO] [stderr] Checking idna v0.3.0 [INFO] [stderr] Checking tectonic_io_base v0.4.1 [INFO] [stderr] Compiling phf_generator v0.11.1 [INFO] [stderr] Compiling parse-zoneinfo v0.3.0 [INFO] [stderr] Compiling phf_codegen v0.10.0 [INFO] [stderr] Compiling darling_core v0.12.4 [INFO] [stderr] Compiling phf v0.10.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking pure-rust-locales v0.5.6 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Compiling ucd-trie v0.1.5 [INFO] [stderr] Checking iana-time-zone v0.1.56 [INFO] [stderr] Checking try-lock v0.2.4 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling pest v2.5.7 [INFO] [stderr] Checking h2 v0.3.16 [INFO] [stderr] Compiling darling_macro v0.12.4 [INFO] [stderr] Checking globset v0.4.6 [INFO] [stderr] Checking chrono v0.4.24 [INFO] [stderr] Compiling chrono-tz-build v0.0.2 [INFO] [stderr] Checking url v2.3.1 [INFO] [stderr] Compiling phf_codegen v0.11.1 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Compiling darling_core v0.14.4 [INFO] [stderr] Compiling tectonic_xetex_layout v0.2.1 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling libm v0.2.6 [INFO] [stderr] Checking unic-char-range v0.9.0 [INFO] [stderr] Compiling rustversion v1.0.12 [INFO] [stderr] Checking unic-common v0.9.0 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling pest_meta v2.5.7 [INFO] [stderr] Checking unic-ucd-version v0.9.0 [INFO] [stderr] Checking unic-char-property v0.9.0 [INFO] [stderr] Checking net2 v0.2.38 [INFO] [stderr] Checking hyper v0.14.25 [INFO] [stderr] Compiling chrono-tz v0.6.1 [INFO] [stderr] Compiling terminfo v0.7.5 [INFO] [stderr] Compiling darling v0.12.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Compiling darling_macro v0.14.4 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling serde_json v1.0.95 [INFO] [stderr] Compiling rustix v0.37.11 [INFO] [stderr] Compiling darling v0.14.4 [INFO] [stderr] Checking ignore v0.4.17 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking phf v0.11.1 [INFO] [stderr] Compiling derive_builder_core v0.10.2 [INFO] [stderr] Compiling pest_generator v2.5.7 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking unic-ucd-segment v0.9.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Compiling displaydoc v0.2.3 [INFO] [stderr] Compiling tectonic_engine_xetex v0.4.1 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Compiling ducc-sys v0.1.2 [INFO] [stderr] Compiling tectonic_engine_bibtex v0.1.4 [INFO] [stderr] Compiling tectonic_engine_xdvipdfmx v0.4.0 [INFO] [stderr] Compiling backtrace v0.3.67 [INFO] [stderr] Checking encoding_rs v0.8.32 [INFO] [stderr] Checking linux-raw-sys v0.3.1 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Checking gimli v0.27.2 [INFO] [stderr] Checking ipnet v2.7.2 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking base64 v0.21.0 [INFO] [stderr] Checking deunicode v0.4.3 [INFO] [stderr] Compiling paste v1.0.12 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking utf8-width v0.1.6 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking slug v0.1.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking tinystr v0.7.1 [INFO] [stderr] Compiling strum_macros v0.24.3 [INFO] [stderr] Checking addr2line v0.19.0 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Compiling pest_derive v2.5.7 [INFO] [stderr] Checking humansize v2.1.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking unic-segment v0.9.0 [INFO] [stderr] Compiling derive_builder_macro v0.10.2 [INFO] [stderr] Checking nix v0.22.3 [INFO] [stderr] The following warnings were emitted during compilation: [INFO] [stderr] [INFO] [stderr] warning: tectonic_bridge_harfbuzz@0.2.7: c++: fatal error: Killed signal terminated program cc1plus [INFO] [stderr] warning: tectonic_bridge_harfbuzz@0.2.7: compilation terminated. [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `tectonic_bridge_harfbuzz v0.2.7` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/tectonic_bridge_harfbuzz-e1c540d6a0fb1ed8/build-script-build` (exit status: 1) [INFO] [stderr] --- stdout [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] OPT_LEVEL = Some("0") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] cargo:rerun-if-env-changed=CXX_x86_64-unknown-linux-gnu [INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=CXX_x86_64_unknown_linux_gnu [INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=HOST_CXX [INFO] [stderr] HOST_CXX = None [INFO] [stderr] cargo:rerun-if-env-changed=CXX [INFO] [stderr] CXX = None [INFO] [stderr] cargo:rerun-if-env-changed=CXXFLAGS_x86_64-unknown-linux-gnu [INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=CXXFLAGS_x86_64_unknown_linux_gnu [INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=HOST_CXXFLAGS [INFO] [stderr] HOST_CXXFLAGS = None [INFO] [stderr] cargo:rerun-if-env-changed=CXXFLAGS [INFO] [stderr] CXXFLAGS = None [INFO] [stderr] cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS [INFO] [stderr] CRATE_CC_NO_DEFAULTS = None [INFO] [stderr] DEBUG = Some("true") [INFO] [stderr] CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2") [INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-I" "/usr/include" "-I" "/usr/include" "-std=c++11" "-DHAVE_GRAPHITE2=1" "-DHAVE_ICU=1" "-DHAVE_PTHREAD=1" "-o" "/opt/rustwide/target/debug/build/tectonic_bridge_harfbuzz-704ec65f6812f0ed/out/harfbuzz/src/harfbuzz.o" "-c" "harfbuzz/src/harfbuzz.cc" [INFO] [stderr] cargo:warning=c++: fatal error: Killed signal terminated program cc1plus [INFO] [stderr] cargo:warning=compilation terminated. [INFO] [stderr] exit status: 1 [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error occurred: Command "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-I" "/usr/include" "-I" "/usr/include" "-std=c++11" "-DHAVE_GRAPHITE2=1" "-DHAVE_ICU=1" "-DHAVE_PTHREAD=1" "-o" "/opt/rustwide/target/debug/build/tectonic_bridge_harfbuzz-704ec65f6812f0ed/out/harfbuzz/src/harfbuzz.o" "-c" "harfbuzz/src/harfbuzz.cc" with args "c++" did not execute successfully (status code exit status: 1). [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "1ead57fd4717cfb99dc64e9e4d711caeb844b4446b273f8942bde03dc3bdab01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ead57fd4717cfb99dc64e9e4d711caeb844b4446b273f8942bde03dc3bdab01", kill_on_drop: false }` [INFO] [stdout] 1ead57fd4717cfb99dc64e9e4d711caeb844b4446b273f8942bde03dc3bdab01