these 3 derivations will be built:
  /nix/store/6m71x5wy5y9l59jkwvnb7d96z3kzj0ym-iets-0.1.0.drv
  /nix/store/21qfjiziqsj1kxjdwm6qsa95kqfclyfm-iets-conformance-adapter.drv
  /nix/store/hy37nrjyfcm7k3kmx06qpyikipcjhfac-nix-conformance-iets.drv
error: timed out after 1200 seconds