these 5 derivations will be built:
  /nix/store/0k2pmqwr5rfckmx1kl7wzn5kdkr34zjr-clan-runtime.drv
  /nix/store/xm4cqbf2jlb4pcxx2d6wy9n1pkj34wsx-clan-cli-source.drv
  /nix/store/drkxvnd6w0x0pjfaw1c2amr1bxx6m3vg-clan-cli.drv
  /nix/store/qrr90pg408c86mm4z2cmm0j8nppabhin-closure-info.drv
  /nix/store/8fyh38qyba86g35srqsbyyws1251xvma-check-vars.drv
error: path '/nix/store/kwc2kgnn20wqrqh16zblpbavxydbnkya-check-vars' is not valid
error: Cannot build '/nix/store/8fyh38qyba86g35srqsbyyws1251xvma-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/kwc2kgnn20wqrqh16zblpbavxydbnkya-check-vars