these 4 derivations will be built:
  /nix/store/szngahb0nfxcbi6fhzh2s9zifvww6mjb-clan-cli-source.drv
  /nix/store/57mizrbmg4jcfgqw9skxa6f3w8r52w8v-clan-cli.drv
  /nix/store/j0ms5v1vc12nzw2zvvvli94dzp7k7kbw-closure-info.drv
  /nix/store/b6p5gcxmcm48my8c98plgic9zczv33i1-check-vars.drv
error: path '/nix/store/5pwh0lj75xhwzxvdjricl1w1gpg36acj-source' is not valid
error: Cannot build '/nix/store/b6p5gcxmcm48my8c98plgic9zczv33i1-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/x94iqz3n5v1zy3lx7rqzm4rzlygnj1hp-check-vars