these 2 derivations will be built:
  /nix/store/n485hppcibh5rljvmnqcyb87smafhi6w-closure-info.drv
  /nix/store/g9l6bxg04mnxrkc86fynbaddh7i9hsj1-check-vars.drv
error: path '/nix/store/jmjlxg8ikq1j6ai7h1zzsnzcj6jvl1nk-check-vars' is not valid
error: Cannot build '/nix/store/g9l6bxg04mnxrkc86fynbaddh7i9hsj1-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/jmjlxg8ikq1j6ai7h1zzsnzcj6jvl1nk-check-vars