these 2 derivations will be built:
  /nix/store/9vd7dzagki34qhc34khslyz0gq5d00ir-iets-0.1.0.drv
  /nix/store/xwlkd11nxpd5p2cq2divr398p5v4xfca-iets-langtests.drv
error: timed out after 1200 seconds