this derivation will be built:
  /nix/store/871vh8b4nrfm0mq968bsmpa46i01rp2h-bcachefs-module-7.1.3-arch2-2.drv
building '/nix/store/871vh8b4nrfm0mq968bsmpa46i01rp2h-bcachefs-module-7.1.3-arch2-2.drv'...