these 2 derivations will be built:
  /nix/store/mqkbmil4rjcpkbikxsfgz8x2fn1kwhsl-closure-info.drv
  /nix/store/vv67bz8a7c2rwx6gccc4gg4z0mmpyknz-check-vars.drv
error: path '/nix/store/l1892hmfdbgdyx22rl3mdrwp1ygq9j7f-check-vars' is not valid
error: Cannot build '/nix/store/vv67bz8a7c2rwx6gccc4gg4z0mmpyknz-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/l1892hmfdbgdyx22rl3mdrwp1ygq9j7f-check-vars