these 2 derivations will be built:
  /nix/store/fi7pp1yi94kn5as2piw2d5hl0bi1dqag-closure-info.drv
  /nix/store/rmasj62c5m5m2y9r22ar6rg2r0q8gs04-check-vars.drv
error: path '/nix/store/0fbw9zk414192v506cb4m4vs75792c7x-check-vars' is not valid
error: Cannot build '/nix/store/rmasj62c5m5m2y9r22ar6rg2r0q8gs04-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/0fbw9zk414192v506cb4m4vs75792c7x-check-vars