Found the following significant warnings:
  ../inst/include/Options.h:147:13: warning: variable 'end' is uninitialized when used here [-Wuninitialized]
  ../inst/include/Options.h:207:13: warning: variable 'end' is uninitialized when used here [-Wuninitialized]
  ../inst/include/Options.h:275:13: warning: variable 'end' is uninitialized when used here [-Wuninitialized]
See ‘/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/matchingMarkets.Rcheck/00install.out’ for details.
* used C++ compiler: ‘Debian clang version 15.0.6’
Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential
Found the following significant warnings:
  ../inst/include/Options.h:147:13: warning: variable 'end' is uninitialized when used here [-Wuninitialized]
  ../inst/include/Options.h:207:13: warning: variable 'end' is uninitialized when used here [-Wuninitialized]
  ../inst/include/Options.h:275:13: warning: variable 'end' is uninitialized when used here [-Wuninitialized]
See ‘/data/gannet/ripley/R/packages/tests-clang/matchingMarkets.Rcheck/00install.out’ for details.
* used C++ compiler: ‘clang version 16.0.0’
Specified C++11: please drop specification unless essential
installed size is  5.3Mb
  sub-directories of 1Mb or more:
    java   3.3Mb
Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential
installed size is  6.2Mb
  sub-directories of 1Mb or more:
    java   3.3Mb
    libs   1.7Mb
Fatal error: couldn't allocate node stack
Specified C++11: please drop specification unless essential
Installation failed.
See ‘/Volumes/Builds/packages/big-sur-arm64/results/4.2/matchingMarkets.Rcheck/00install.out’ for details.
installed size is 13.5Mb
  sub-directories of 1Mb or more:
    java   3.3Mb
    libs   9.0Mb
installed size is  6.2Mb
  sub-directories of 1Mb or more:
    java   3.3Mb
    libs   1.7Mb
installed size is 15.6Mb
  sub-directories of 1Mb or more:
    java   3.3Mb
    libs  11.1Mb
installed size is 13.4Mb
  sub-directories of 1Mb or more:
    java   3.3Mb
    libs   8.9Mb
installed size is  7.7Mb
  sub-directories of 1Mb or more:
    java   3.3Mb
    libs   3.2Mb