this derivation will be built:
  /nix/store/f9wp50cldyqc449iqf3xsqhh09qf708n-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/f9wp50cldyqc449iqf3xsqhh09qf708n-bcachefs-module-7.0.0-28-generic.drv'...