warning: unknown setting 'eval-cores'
warning: unknown setting 'lazy-trees'
these 2 derivations will be built:
  /nix/store/kn3xbj8pn4a9hraxjgkaa7vz2vlzf542-boost-wasm-1.91.0.drv
  /nix/store/l1xqifcdvd55x3wmfs9yn6s1cp8a9qlj-wren.drv
these 7 paths will be fetched (195.4 MiB download, 197.6 MiB unpacked):
  /nix/store/y7iqqxh5skv2aas04nb0c1cpdp7sfgws-0921b9fd5c776aec7748475c6c10807e0d51bc6d.patch
  /nix/store/ahhvv0p771bzfzprb39waclrprmixnlx-5883212311535a0046031d74d1568ae173c1e35b.patch
  /nix/store/9r7aza6g2803vbxn9qpk5mar21yvw749-boost-build-boost-1.91.0
  /nix/store/b3wxdkjh73msqivm6jxa41zk20hpxyf3-boost.pc
  /nix/store/ycnsk080mg7fnzykvsqgvxah8sk6h6gk-boost_1_91_0.tar.bz2
  /nix/store/iv0cd12sdmy2fbz4cg2712xnq457bab3-copy-pkg-config-items-hook
  /nix/store/bxaddvz98rw7pn24gcrjix69q6np2gq8-which-2.25
error: Cannot build '/nix/store/l1xqifcdvd55x3wmfs9yn6s1cp8a9qlj-wren.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/388w8w8gw4xyngfypgj7v1zgy88w5ld0-wren
       Last 25 log lines:
       >
       >   but the target was not found.  Possible reasons include:
       >
       >     * There is a typo in the target name.
       >     * A find_package call is missing for an IMPORTED target.
       >     * An ALIAS target is missing.
       >
       >
       > 
       > -- Generating done (0.0s)
       > CMake Warning (unused-cli):
       >   Manually-specified variables were not used by the project:
       >
       >     CMAKE_EXPORT_NO_PACKAGE_REGISTRY
       >     CMAKE_INSTALL_BINDIR
       >     CMAKE_INSTALL_DOCDIR
       >     CMAKE_INSTALL_INCLUDEDIR
       >     CMAKE_INSTALL_INFODIR
       >     CMAKE_INSTALL_LIBEXECDIR
       >     CMAKE_INSTALL_LOCALEDIR
       >     CMAKE_INSTALL_MANDIR
       >     CMAKE_INSTALL_SBINDIR
       >
       > 
       > CMake Generate step failed.  Build files cannot be regenerated correctly.
       For full logs, run:
         nix log /nix/store/l1xqifcdvd55x3wmfs9yn6s1cp8a9qlj-wren.drv