this derivation will be built:
  /nix/store/wgrd48qkrb3ijqizmxljs22sc5w198z3-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/wgrd48qkrb3ijqizmxljs22sc5w198z3-bcachefs-module-7.0.0-29-generic.drv'...