this derivation will be built:
  /nix/store/xn6zw35m32g8v4xr916q6kf14wnnjp2r-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/xn6zw35m32g8v4xr916q6kf14wnnjp2r-bcachefs-module-7.0.0-39-generic.drv'...