these 2 derivations will be built:
  /nix/store/9mzpn86k9w6kf8ji2z8ii8rr6n0lv035-closure-info.drv
  /nix/store/s5yssldi9y50r75iq3xz1gxp75lm1nzx-check-vars.drv
error: path '/nix/store/ajyixkyckjl4wv3d0wpx8mll45lva9v0-check-vars' is not valid
error: Cannot build '/nix/store/s5yssldi9y50r75iq3xz1gxp75lm1nzx-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/ajyixkyckjl4wv3d0wpx8mll45lva9v0-check-vars