this derivation will be built:
  /nix/store/6pnygpcj36dyjfa78csf1ifjv6w5bzql-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/6pnygpcj36dyjfa78csf1ifjv6w5bzql-bcachefs-module-7.0.0-39-generic.drv'...