these 2 derivations will be built:
  /nix/store/abzgl214l8vr8c2x5nmwfgqrp5rg9pli-closure-info.drv
  /nix/store/damxgsn3jx6v9862w9r6v094ba212hr0-check-vars.drv
error: path '/nix/store/3lcs0y5sdwqrl7nk6c4da1mswkzb8ckm-check-vars' is not valid
error: Cannot build '/nix/store/damxgsn3jx6v9862w9r6v094ba212hr0-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/3lcs0y5sdwqrl7nk6c4da1mswkzb8ckm-check-vars