this derivation will be built:
  /nix/store/w7b0s4nwyrhsrfn9vf7yidb13yhpiwc7-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/w7b0s4nwyrhsrfn9vf7yidb13yhpiwc7-bcachefs-module-7.0.0-29-generic.drv'...