this derivation will be built:
  /nix/store/nmr3d6jjx4wqc7jw1iwn4xhavzl53749-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/nmr3d6jjx4wqc7jw1iwn4xhavzl53749-bcachefs-module-7.0.0-29-generic.drv'...