this derivation will be built:
  /nix/store/fh6afvsr8ag1827sxvfqzwhnzdm0zfn4-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/fh6afvsr8ag1827sxvfqzwhnzdm0zfn4-bcachefs-module-7.0.0-38-generic.drv'...