this derivation will be built:
  /nix/store/jbflqvbrp0fbr056a3zc2s8wgv3hc23z-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/jbflqvbrp0fbr056a3zc2s8wgv3hc23z-bcachefs-module-7.0.0-29-generic.drv'...