these 5 derivations will be built:
  /nix/store/4hx411xvd3k23wlxbsy0mg1qwli91pwf-closure-info.drv
  /nix/store/khakh052jv1js6wxxkr4y0crhvgn1pax-clan-runtime.drv
  /nix/store/syx37w56i8a2k215mv079y24vmdd5nmk-clan-cli-source.drv
  /nix/store/kxv36z77ffwvz39jh0vr33mz6jcy0pk7-clan-cli.drv
  /nix/store/134y8yl62crvwpmgns29cmwwr6b1261h-check-vars.drv
error: path '/nix/store/93zcwbs3vs079d7fqswnfmgdpb4v7cw5-check-vars' is not valid
error: Cannot build '/nix/store/134y8yl62crvwpmgns29cmwwr6b1261h-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/93zcwbs3vs079d7fqswnfmgdpb4v7cw5-check-vars