this derivation will be built:
  /nix/store/ff8iahg383k4k70dw1kvm06zsp12f596-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/ff8iahg383k4k70dw1kvm06zsp12f596-bcachefs-module-7.0.0-30-generic.drv'...