this derivation will be built:
  /nix/store/d2ll1phf3imw785mlgcr5ag223fwyjzn-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/d2ll1phf3imw785mlgcr5ag223fwyjzn-bcachefs-module-7.0.0-29-generic.drv'...