this derivation will be built:
  /nix/store/1v9gi52ix84mbm66v1kvm98ryw3wfp23-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/1v9gi52ix84mbm66v1kvm98ryw3wfp23-bcachefs-module-7.0.0-39-generic.drv'...