don't know how to build these paths:
  /nix/store/76v8xap49p48ddkfixv771f7p4md60c2-iets-examples-0.2.0.drv
warning: ignoring the client-specified setting 'store', because it is a restricted setting and you are not a trusted user
building '/nix/store/76v8xap49p48ddkfixv771f7p4md60c2-iets-examples-0.2.0.drv' on farm.numtide.com:50051
iets-examples-0.2.0> bld1: building 76v8xap49p48ddkfixv771f7p4md60c2-iets-examples-0.2.0.drv