this derivation will be built:
  /nix/store/7mzzmq0yqvcs5865yf90w72zxj1caq1s-bcachefs-module-7.0.0-28-generic-64k.drv
building '/nix/store/7mzzmq0yqvcs5865yf90w72zxj1caq1s-bcachefs-module-7.0.0-28-generic-64k.drv'...