these 2 derivations will be built:
  /nix/store/qqar8rhs4fajjh6d36gk2d0mjiqsmi59-closure-info.drv
  /nix/store/c1jrvb684mywdmmy6cqh6hmpixmw3ycz-check-vars.drv
error: path '/nix/store/p65h00q0hjrwfpadbrja6g2fmm9n3ppr-check-vars' is not valid
error: Cannot build '/nix/store/c1jrvb684mywdmmy6cqh6hmpixmw3ycz-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/p65h00q0hjrwfpadbrja6g2fmm9n3ppr-check-vars