these 2 derivations will be built:
  /nix/store/qy7j608s8v62xva1p67ymwmggmmd0gig-closure-info.drv
  /nix/store/gv7nj4cqff4794h0bjzg8ybkzgm4fr0x-check-vars.drv
error: path '/nix/store/1f8hyp1550w9nqc2l25xnij0xd3w9p29-check-vars' is not valid
error: Cannot build '/nix/store/gv7nj4cqff4794h0bjzg8ybkzgm4fr0x-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/1f8hyp1550w9nqc2l25xnij0xd3w9p29-check-vars