this derivation will be built:
  /nix/store/c5vda5vk5hg7kvqrn692xyw69j84kclx-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/c5vda5vk5hg7kvqrn692xyw69j84kclx-bcachefs-module-7.0.0-39-generic.drv'...