* installing *source* package ‘uwot’ ...
** this is package ‘uwot’ version ‘0.2.4’
** package ‘uwot’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C++ compiler: ‘clang version 23.1.0-rc2’
make[1]: Entering directory '/data/localhost/ripley/R/packages/tests-clang-trunk/uwot/src'
/usr/local/clang23/bin/clang++ -std=gnu++20 -I"/data/localhost/ripley/R/R-clang-trunk/include" -DNDEBUG -I../inst/include/ -I'/data/localhost/ripley/R/test-clang/dqrng/include' -I'/data/localhost/ripley/R/test-clang/Rcpp/include' -I'/data/localhost/ripley/R/test-clang/RcppAnnoy/include' -I'/data/localhost/ripley/R/test-clang/RcppProgress/include' -isystem /usr/local/clang23/include -I/usr/local/clang/include   -DRCPP_NO_RTTI -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c RcppExports.cpp -o RcppExports.o
/usr/local/clang23/bin/clang++ -std=gnu++20 -I"/data/localhost/ripley/R/R-clang-trunk/include" -DNDEBUG -I../inst/include/ -I'/data/localhost/ripley/R/test-clang/dqrng/include' -I'/data/localhost/ripley/R/test-clang/Rcpp/include' -I'/data/localhost/ripley/R/test-clang/RcppAnnoy/include' -I'/data/localhost/ripley/R/test-clang/RcppProgress/include' -isystem /usr/local/clang23/include -I/usr/local/clang/include   -DRCPP_NO_RTTI -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c connected_components.cpp -o connected_components.o
/usr/local/clang23/bin/clang++ -std=gnu++20 -I"/data/localhost/ripley/R/R-clang-trunk/include" -DNDEBUG -I../inst/include/ -I'/data/localhost/ripley/R/test-clang/dqrng/include' -I'/data/localhost/ripley/R/test-clang/Rcpp/include' -I'/data/localhost/ripley/R/test-clang/RcppAnnoy/include' -I'/data/localhost/ripley/R/test-clang/RcppProgress/include' -isystem /usr/local/clang23/include -I/usr/local/clang/include   -DRCPP_NO_RTTI -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c nn_parallel.cpp -o nn_parallel.o
/usr/local/clang23/bin/clang++ -std=gnu++20 -I"/data/localhost/ripley/R/R-clang-trunk/include" -DNDEBUG -I../inst/include/ -I'/data/localhost/ripley/R/test-clang/dqrng/include' -I'/data/localhost/ripley/R/test-clang/Rcpp/include' -I'/data/localhost/ripley/R/test-clang/RcppAnnoy/include' -I'/data/localhost/ripley/R/test-clang/RcppProgress/include' -isystem /usr/local/clang23/include -I/usr/local/clang/include   -DRCPP_NO_RTTI -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c perplexity.cpp -o perplexity.o
/usr/local/clang23/bin/clang++ -std=gnu++20 -I"/data/localhost/ripley/R/R-clang-trunk/include" -DNDEBUG -I../inst/include/ -I'/data/localhost/ripley/R/test-clang/dqrng/include' -I'/data/localhost/ripley/R/test-clang/Rcpp/include' -I'/data/localhost/ripley/R/test-clang/RcppAnnoy/include' -I'/data/localhost/ripley/R/test-clang/RcppProgress/include' -isystem /usr/local/clang23/include -I/usr/local/clang/include   -DRCPP_NO_RTTI -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c r_uwot.cpp -o r_uwot.o
In file included from r_uwot.cpp:23:
In file included from ../inst/include/uwot/epoch.h:31:
../inst/include/uwot/update.h:210:10: error: no member named 'fill' in namespace 'std'
  210 |     std::fill(gradient.begin(), gradient.end(), 0.0f);
      |          ^~~~
1 error generated.
make[1]: *** [/data/localhost/ripley/R/R-clang-trunk/etc/Makeconf:197: r_uwot.o] Error 1
/usr/local/clang23/bin/clang++ -std=gnu++20 -I"/data/localhost/ripley/R/R-clang-trunk/include" -DNDEBUG -I../inst/include/ -I'/data/localhost/ripley/R/test-clang/dqrng/include' -I'/data/localhost/ripley/R/test-clang/Rcpp/include' -I'/data/localhost/ripley/R/test-clang/RcppAnnoy/include' -I'/data/localhost/ripley/R/test-clang/RcppProgress/include' -isystem /usr/local/clang23/include -I/usr/local/clang/include   -DRCPP_NO_RTTI -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c smooth_knn.cpp -o smooth_knn.o
In file included from smooth_knn.cpp:23:
In file included from ../inst/include/uwot/smooth_knn.h:36:
../inst/include/RcppPerpendicular.h:97:52: error: no member named 'ref' in namespace 'std'
   97 |           std::thread(&worker_thread<Worker>, std::ref(worker), range));
      |                                                    ^~~
../inst/include/RcppPerpendicular.h:125:69: error: no member named 'ref' in namespace 'std'
  125 |       threads.push_back(std::thread(&worker_thread_id<Worker>, std::ref(worker),
      |                                                                     ^~~
2 errors generated.
make[1]: *** [/data/localhost/ripley/R/R-clang-trunk/etc/Makeconf:197: smooth_knn.o] Error 1
/usr/local/clang23/bin/clang++ -std=gnu++20 -I"/data/localhost/ripley/R/R-clang-trunk/include" -DNDEBUG -I../inst/include/ -I'/data/localhost/ripley/R/test-clang/dqrng/include' -I'/data/localhost/ripley/R/test-clang/Rcpp/include' -I'/data/localhost/ripley/R/test-clang/RcppAnnoy/include' -I'/data/localhost/ripley/R/test-clang/RcppProgress/include' -isystem /usr/local/clang23/include -I/usr/local/clang/include   -DRCPP_NO_RTTI -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c supervised.cpp -o supervised.o
/usr/local/clang23/bin/clang++ -std=gnu++20 -I"/data/localhost/ripley/R/R-clang-trunk/include" -DNDEBUG -I../inst/include/ -I'/data/localhost/ripley/R/test-clang/dqrng/include' -I'/data/localhost/ripley/R/test-clang/Rcpp/include' -I'/data/localhost/ripley/R/test-clang/RcppAnnoy/include' -I'/data/localhost/ripley/R/test-clang/RcppProgress/include' -isystem /usr/local/clang23/include -I/usr/local/clang/include   -DRCPP_NO_RTTI -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c thread.cpp -o thread.o
/usr/local/clang23/bin/clang++ -std=gnu++20 -I"/data/localhost/ripley/R/R-clang-trunk/include" -DNDEBUG -I../inst/include/ -I'/data/localhost/ripley/R/test-clang/dqrng/include' -I'/data/localhost/ripley/R/test-clang/Rcpp/include' -I'/data/localhost/ripley/R/test-clang/RcppAnnoy/include' -I'/data/localhost/ripley/R/test-clang/RcppProgress/include' -isystem /usr/local/clang23/include -I/usr/local/clang/include   -DRCPP_NO_RTTI -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c transform.cpp -o transform.o
make[1]: Target 'all' not remade because of errors.
make[1]: Leaving directory '/data/localhost/ripley/R/packages/tests-clang-trunk/uwot/src'
ERROR: compilation failed for package ‘uwot’
* removing ‘/data/localhost/ripley/R/packages/tests-clang-trunk/uwot.Rcheck/uwot’