this derivation will be built:
  /nix/store/29ryxiskw4fhm0wkcqbdpbx2ra6pn29v-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/29ryxiskw4fhm0wkcqbdpbx2ra6pn29v-bcachefs-module-7.0.0-34-generic.drv'...