this derivation will be built:
  /nix/store/v93sf570m90q0l90qh0x9i2wv3nc6apq-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/v93sf570m90q0l90qh0x9i2wv3nc6apq-bcachefs-module-7.0.0-38-generic.drv'...