these 5 derivations will be built:
  /nix/store/6x9fpx0v9qjjr7fxhda1kjpc9vprs1sz-clan-runtime.drv
  /nix/store/dpng2zqczp6ylm9rakjlfimdnsbyhz5y-clan-cli-source.drv
  /nix/store/9x2mb227ycjc0cdcqn24ry3jmf15ryxd-clan-cli.drv
  /nix/store/vka7kjqk9nzyaz8k3cfm9vs6zz2vv5r2-closure-info.drv
  /nix/store/70aq33gcssad5n9pyynbmv2izzms4n96-check-vars.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
error: path '/nix/store/6v3766426zvi3x3agadbkirw01fm7830-check-vars' is not valid
error: Cannot build '/nix/store/70aq33gcssad5n9pyynbmv2izzms4n96-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/6v3766426zvi3x3agadbkirw01fm7830-check-vars