this derivation will be built:
  /nix/store/438kvn1scc447dpprx2xl5ad8lm6k8i0-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/438kvn1scc447dpprx2xl5ad8lm6k8i0-bcachefs-module-7.0.0-38-generic.drv'...