these 2 derivations will be built:
  /nix/store/glb1s8ybn27k9rxrjpb88mjc3iza5zzl-closure-info.drv
  /nix/store/x81sm46jdmpphgkh4vi45i3bdghkxqar-check-vars.drv
error: path '/nix/store/kgskw26k5nvzs3fj5234cjf000a6n3za-check-vars' is not valid
error: Cannot build '/nix/store/x81sm46jdmpphgkh4vi45i3bdghkxqar-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/kgskw26k5nvzs3fj5234cjf000a6n3za-check-vars