[INFO] fetching crate stereokit-locomotion 0.1.0... [INFO] testing stereokit-locomotion-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate stereokit-locomotion 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate stereokit-locomotion 0.1.0 [INFO] finished tweaking crates.io crate stereokit-locomotion 0.1.0 [INFO] tweaked toml for crates.io crate stereokit-locomotion 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate stereokit-locomotion 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--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] Locking 132 packages to latest compatible versions [INFO] [stderr] Adding glam v0.22.0 (available: v0.30.5) [INFO] [stderr] Adding stereokit v0.15.3 (available: v0.16.9) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded derive_is_enum_variant v0.1.1 [INFO] [stderr] Downloaded stereokit v0.15.3 [INFO] [stderr] Downloaded bitflags_serde_shim v0.2.5 [INFO] [stderr] Downloaded stereokit-sys v2.5.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 022701981b78326fb7c78514613a58b5423512e1869e90807686e590a9b92ec2 [INFO] running `Command { std: "docker" "start" "-a" "022701981b78326fb7c78514613a58b5423512e1869e90807686e590a9b92ec2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "022701981b78326fb7c78514613a58b5423512e1869e90807686e590a9b92ec2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "022701981b78326fb7c78514613a58b5423512e1869e90807686e590a9b92ec2", kill_on_drop: false }` [INFO] [stdout] 022701981b78326fb7c78514613a58b5423512e1869e90807686e590a9b92ec2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 00b67fe9948874df969c1750232ce83a0c94c0dde790d13eecfa1e047a1529b1 [INFO] running `Command { std: "docker" "start" "-a" "00b67fe9948874df969c1750232ce83a0c94c0dde790d13eecfa1e047a1529b1", kill_on_drop: false }` [INFO] [stderr] Compiling libloading v0.8.8 [INFO] [stderr] Compiling regex-automata v0.4.10 [INFO] [stderr] Compiling bindgen v0.64.0 [INFO] [stderr] Compiling find-msvc-tools v0.1.0 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling owo-colors v4.2.2 [INFO] [stderr] Compiling tracing-subscriber v0.3.20 [INFO] [stderr] Compiling instant v0.1.13 [INFO] [stderr] Compiling eyre v0.6.12 [INFO] [stderr] Compiling color-spantrace v0.3.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling cc v1.2.35 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling indenter v0.3.4 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Compiling glam v0.23.0 [INFO] [stderr] Compiling clang-sys v1.8.1 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling ustr v0.9.0 [INFO] [stderr] Compiling cmake v0.1.54 [INFO] [stderr] Compiling derive_is_enum_variant v0.1.1 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling regex v1.11.2 [INFO] [stderr] Compiling darling_core v0.14.4 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Compiling darling_macro v0.14.4 [INFO] [stderr] Compiling backtrace v0.3.75 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling num_enum_derive v0.6.1 [INFO] [stderr] Compiling serde_repr v0.1.20 [INFO] [stderr] Compiling darling v0.14.4 [INFO] [stderr] Compiling derive_builder_core v0.12.0 [INFO] [stderr] Compiling num_enum v0.6.1 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling tracing-error v0.2.1 [INFO] [stderr] Compiling color-eyre v0.6.5 [INFO] [stderr] Compiling derive_builder_macro v0.12.0 [INFO] [stderr] Compiling derive_builder v0.12.0 [INFO] [stderr] Compiling stereokit-sys v2.5.6 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] error: failed to run custom build command for `stereokit-sys v2.5.6` [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/stereokit-sys-859f623c54730d0c/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] CMAKE_TOOLCHAIN_FILE_x86_64-unknown-linux-gnu = None [INFO] [stderr] CMAKE_TOOLCHAIN_FILE_x86_64_unknown_linux_gnu = None [INFO] [stderr] HOST_CMAKE_TOOLCHAIN_FILE = None [INFO] [stderr] CMAKE_TOOLCHAIN_FILE = None [INFO] [stderr] CMAKE_GENERATOR_x86_64-unknown-linux-gnu = None [INFO] [stderr] CMAKE_GENERATOR_x86_64_unknown_linux_gnu = None [INFO] [stderr] HOST_CMAKE_GENERATOR = None [INFO] [stderr] CMAKE_GENERATOR = None [INFO] [stderr] CMAKE_PREFIX_PATH_x86_64-unknown-linux-gnu = None [INFO] [stderr] CMAKE_PREFIX_PATH_x86_64_unknown_linux_gnu = None [INFO] [stderr] HOST_CMAKE_PREFIX_PATH = None [INFO] [stderr] CMAKE_PREFIX_PATH = None [INFO] [stderr] CMAKE_x86_64-unknown-linux-gnu = None [INFO] [stderr] CMAKE_x86_64_unknown_linux_gnu = None [INFO] [stderr] HOST_CMAKE = None [INFO] [stderr] CMAKE = None [INFO] [stderr] running: cd "/opt/rustwide/target/debug/build/stereokit-sys-4b495c9c18e1ca4c/out/build" && CMAKE_PREFIX_PATH="" LC_ALL="C" "cmake" "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stereokit-sys-2.5.6/StereoKit" "-DSK_BUILD_SHARED_LIBS=OFF" "-DSK_BUILD_TESTS=OFF" "-DSK_LINUX_EGL=OFF" "-DSK_PHYSICS=OFF" "-DCMAKE_INSTALL_PREFIX=/opt/rustwide/target/debug/build/stereokit-sys-4b495c9c18e1ca4c/out" "-DCMAKE_C_FLAGS= -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_C_COMPILER=/usr/bin/cc" "-DCMAKE_CXX_FLAGS= -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_CXX_COMPILER=/usr/bin/c++" "-DCMAKE_ASM_FLAGS= -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_ASM_COMPILER=/usr/bin/cc" "-DCMAKE_BUILD_TYPE=Debug" [INFO] [stderr] -- The CXX compiler identification is GNU 13.3.0 [INFO] [stderr] -- The C compiler identification is GNU 13.3.0 [INFO] [stderr] -- Detecting CXX compiler ABI info [INFO] [stderr] -- Detecting CXX compiler ABI info - done [INFO] [stderr] -- Check for working CXX compiler: /usr/bin/c++ - skipped [INFO] [stderr] -- Detecting CXX compile features [INFO] [stderr] -- Detecting CXX compile features - done [INFO] [stderr] -- Detecting C compiler ABI info [INFO] [stderr] -- Detecting C compiler ABI info - done [INFO] [stderr] -- Check for working C compiler: /usr/bin/cc - skipped [INFO] [stderr] -- Detecting C compile features [INFO] [stderr] -- Detecting C compile features - done [INFO] [stderr] -- Performing Test CMAKE_HAVE_LIBC_PTHREAD [INFO] [stderr] -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success [INFO] [stderr] -- Found Threads: TRUE [INFO] [stderr] -- Found X11: /usr/include [INFO] [stderr] -- Looking for XOpenDisplay in /usr/lib/x86_64-linux-gnu/libX11.so;/usr/lib/x86_64-linux-gnu/libXext.so [INFO] [stderr] -- Looking for XOpenDisplay in /usr/lib/x86_64-linux-gnu/libX11.so;/usr/lib/x86_64-linux-gnu/libXext.so - found [INFO] [stderr] -- Looking for gethostbyname [INFO] [stderr] -- Looking for gethostbyname - found [INFO] [stderr] -- Looking for connect [INFO] [stderr] -- Looking for connect - found [INFO] [stderr] -- Looking for remove [INFO] [stderr] -- Looking for remove - found [INFO] [stderr] -- Looking for shmat [INFO] [stderr] -- Looking for shmat - found [INFO] [stderr] -- Looking for IceConnectionNumber in ICE [INFO] [stderr] -- Looking for IceConnectionNumber in ICE - found [INFO] [stderr] -- Downloading CPM.cmake to /opt/rustwide/target/debug/build/stereokit-sys-4b495c9c18e1ca4c/out/build/cmake/CPM_0.32.2.cmake [INFO] [stderr] -- Configuring incomplete, errors occurred! [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] -- Building without physics! [INFO] [stderr] CMake Error at CMakeLists.txt:140 (CPMAddPackage): [INFO] [stderr] Unknown CMake command "CPMAddPackage". [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] thread 'main' (979) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cmake-0.1.54/src/lib.rs:1119:5: [INFO] [stderr] [INFO] [stderr] command did not execute successfully, got: exit status: 1 [INFO] [stderr] [INFO] [stderr] build script failed, must exit now [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5c32e4ba5dc2 - std::backtrace_rs::backtrace::libunwind::trace::h7cddb8376417e7cc [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5c32e4ba5dc2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb4e41acf4b349ff1 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5c32e4ba5dc2 - std::sys::backtrace::_print_fmt::h1222b80910ba6eb5 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5c32e4ba5dc2 - ::fmt::h5bb8a979ba5db788 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5c32e4bb77af - core::fmt::rt::Argument::fmt::h2ee2c138a50a7796 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5c32e4bb77af - core::fmt::write::h1e0dbf07fe3990bd [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5c32e4b746a3 - std::io::default_write_fmt::hb0810a37865e52a5 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5c32e4b746a3 - std::io::Write::write_fmt::h12c8908aaac7ca22 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5c32e4b80062 - std::sys::backtrace::BacktraceLock::print::h788d486777205086 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5c32e4b8346f - std::panicking::default_hook::{{closure}}::ha7bdfeb5949fc0fa [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5c32e4b832c9 - std::panicking::default_hook::h6dad75ec721846f4 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5c32e4b83af5 - std::panicking::panic_with_hook::hba00e869ada17676 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5c32e4b838da - std::panicking::panic_handler::{{closure}}::h3d21149c258e5ceb [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x5c32e4b80199 - std::sys::backtrace::__rust_end_short_backtrace::h4f5d9b9dfb3e6ec1 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5c32e4b681bd - __rustc[9a7a9f9af7564de1]::rust_begin_unwind [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x5c32e4bc16b0 - core::panicking::panic_fmt::h78e817a90331d98b [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x5c32e46270eb - cmake::fail::hdba7e5c66f8aceb6 [INFO] [stderr] 17: 0x5c32e4626d72 - cmake::run::h08e0fefd62bcddc4 [INFO] [stderr] 18: 0x5c32e462c851 - cmake::Config::build::h10951223eb0c4915 [INFO] [stderr] 19: 0x5c32e461525d - build_script_build::main::he7f8543825837536 [INFO] [stderr] 20: 0x5c32e4617a03 - core::ops::function::FnOnce::call_once::h91eee74e750d1de0 [INFO] [stderr] 21: 0x5c32e4617346 - std::sys::backtrace::__rust_begin_short_backtrace::h0001cab555c01c78 [INFO] [stderr] 22: 0x5c32e4617219 - std::rt::lang_start::{{closure}}::h56fda658b02fe824 [INFO] [stderr] 23: 0x5c32e4b760c0 - core::ops::function::impls:: for &F>::call_once::h1dc0a50e6295ec78 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:290:21 [INFO] [stderr] 24: 0x5c32e4b760c0 - std::panicking::catch_unwind::do_call::h209f742e9999044e [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stderr] 25: 0x5c32e4b760c0 - std::panicking::catch_unwind::h508c6e2aa6d72749 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stderr] 26: 0x5c32e4b760c0 - std::panic::catch_unwind::hebcbb24aa9914693 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stderr] 27: 0x5c32e4b760c0 - std::rt::lang_start_internal::{{closure}}::h703cbe32967ef209 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/rt.rs:175:24 [INFO] [stderr] 28: 0x5c32e4b760c0 - std::panicking::catch_unwind::do_call::hf50f2a30bce4e10b [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stderr] 29: 0x5c32e4b760c0 - std::panicking::catch_unwind::hac448d7e3b12daa3 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stderr] 30: 0x5c32e4b760c0 - std::panic::catch_unwind::ha9d74a13d77f299c [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stderr] 31: 0x5c32e4b760c0 - std::rt::lang_start_internal::ha26d244788d1956d [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/rt.rs:171:5 [INFO] [stderr] 32: 0x5c32e4617201 - std::rt::lang_start::hb7498dfd26e1a438 [INFO] [stderr] 33: 0x5c32e461b885 - main [INFO] [stderr] 34: 0x7b70c44731ca - [INFO] [stderr] 35: 0x7b70c447328b - __libc_start_main [INFO] [stderr] 36: 0x5c32e4614c35 - _start [INFO] [stderr] 37: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "00b67fe9948874df969c1750232ce83a0c94c0dde790d13eecfa1e047a1529b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00b67fe9948874df969c1750232ce83a0c94c0dde790d13eecfa1e047a1529b1", kill_on_drop: false }` [INFO] [stdout] 00b67fe9948874df969c1750232ce83a0c94c0dde790d13eecfa1e047a1529b1