this derivation will be built:
  /nix/store/r8h5971phydwcz6i4kngxp4gbj5yqaki-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/r8h5971phydwcz6i4kngxp4gbj5yqaki-bcachefs-module-7.0.0-14-generic.drv'...