this derivation will be built:
  /nix/store/427qvcnasfgn9a344xmq767d0yak73yf-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/427qvcnasfgn9a344xmq767d0yak73yf-bcachefs-module-7.0.0-28-generic.drv'...