this derivation will be built:
  /nix/store/vj8dhx18i8687byi31mswz5n2s90v0z9-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/vj8dhx18i8687byi31mswz5n2s90v0z9-bcachefs-module-7.0.0-39-generic.drv'...