these 5 derivations will be built:
  /nix/store/p17ba6036acpnbpak44wrqdlv0fndyqy-clan-runtime.drv
  /nix/store/0qgm901ap6v8bahinjlbpm1wjzra1y1h-clan-cli-source.drv
  /nix/store/2m4y2n4020wlsx3zq55j5krps7rmblk6-closure-info.drv
  /nix/store/ai7pvq78j8pm5mhpvgfbb7fyax924a10-clan-cli.drv
  /nix/store/qpk31yf0na4483g70hq1lnfhmv6l69fg-check-vars.drv
error: path '/nix/store/z2q0nrqrhgy7p0r3fgxnvrbk1gg16sh3-check-vars' is not valid
error: Cannot build '/nix/store/qpk31yf0na4483g70hq1lnfhmv6l69fg-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/z2q0nrqrhgy7p0r3fgxnvrbk1gg16sh3-check-vars