this derivation will be built:
  /nix/store/2rrh44hfb64r3qj355d01vamzqi8slx2-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/2rrh44hfb64r3qj355d01vamzqi8slx2-bcachefs-module-7.0.0-38-generic.drv'...