this derivation will be built:
  /nix/store/pbxw8xc21zz7g6v4wksl5bmd37pfi33j-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/pbxw8xc21zz7g6v4wksl5bmd37pfi33j-bcachefs-module-7.0.0-34-generic.drv'...