this derivation will be built:
  /nix/store/l53k50k82i6r8bf3v6h50g2y889xw1c0-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/l53k50k82i6r8bf3v6h50g2y889xw1c0-bcachefs-module-7.0.0-39-generic.drv'...