this derivation will be built:
  /nix/store/vk5fk9j53zn287ph53a6857f6ar0j4b3-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/vk5fk9j53zn287ph53a6857f6ar0j4b3-bcachefs-module-7.0.0-39-generic.drv'...