this derivation will be built:
  /nix/store/1xv5nf862vw9cvc3y3gdmgvzscfypycw-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/1xv5nf862vw9cvc3y3gdmgvzscfypycw-bcachefs-module-7.0.0-29-generic.drv'...