these 5 derivations will be built:
  /nix/store/sg2xdpmnyyc9sgb0iwks11x7z06kir8d-clan-runtime.drv
  /nix/store/dnz2ai0szfdy0pc91273zklrnlrzp97g-clan-cli-source.drv
  /nix/store/8cmvkvz3w7giv82k3qfxqang981lhwzq-clan-cli.drv
  /nix/store/zdxg725jq8pkm5f0j24cixf1w9c8fs2q-closure-info.drv
  /nix/store/ani0zqiyl1l5dzm3bg1hzss506kvapr2-check-vars.drv
error: path '/nix/store/rjag1v528fivarqzyjpx50n3h92winih-check-vars' is not valid
error: Cannot build '/nix/store/ani0zqiyl1l5dzm3bg1hzss506kvapr2-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/rjag1v528fivarqzyjpx50n3h92winih-check-vars