these 4 derivations will be built:
  /nix/store/83blqq6dfdymjapa09132rli4bdjicyd-clan-cli-source.drv
  /nix/store/ln4w5vbw53bg7b59n9d45j57wi4r1mvz-closure-info.drv
  /nix/store/sg91kxs4nyyzds7r8ihdpgwh5wwrrqkm-clan-cli.drv
  /nix/store/z1hz1h4ghb8qw2wc7i2y073k2lad3azf-check-vars.drv
error: path '/nix/store/lx6l414rl225zps6vbqm3sb43f5siifr-check-vars' is not valid
error: Cannot build '/nix/store/z1hz1h4ghb8qw2wc7i2y073k2lad3azf-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/lx6l414rl225zps6vbqm3sb43f5siifr-check-vars