this derivation will be built:
  /nix/store/1i4fdi3xagyhs54hxs17wkjq6b2jq951-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/1i4fdi3xagyhs54hxs17wkjq6b2jq951-bcachefs-module-7.0.0-34-generic.drv'...