don't know how to build these paths:
  /nix/store/zfwgma54iqij28jn05qyanaxyp180720-check-flake-inputs.drv
warning: ignoring the client-specified setting 'store', because it is a restricted setting and you are not a trusted user
building '/nix/store/3w35a2k1n6drj257m1hbza917argx546-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> bld1: building 3w35a2k1n6drj257m1hbza917argx546-flake-inputs.drv
building '/nix/store/zfwgma54iqij28jn05qyanaxyp180720-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> bld1: building zfwgma54iqij28jn05qyanaxyp180720-check-flake-inputs.drv