these 5 derivations will be built:
  /nix/store/41pbp5bkr5bfidcwm349lc4i3rjyyz5i-closure-info.drv
  /nix/store/hglfy1zl4vcrv33l529gik15sp54czfa-clan-runtime.drv
  /nix/store/ysmajrjxxfmxz83i98ajfjrqfd1pgzlx-clan-cli-source.drv
  /nix/store/52454mihs3kq4d16jz89qs4rp8ff7hxv-clan-cli.drv
  /nix/store/35zrd3n3mfibpfkzd91wh5hhnabnv413-check-vars.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
error: path '/nix/store/4i7lsc30f3w12panjfvq2d38xk6via6x-check-vars' is not valid
error: Cannot build '/nix/store/35zrd3n3mfibpfkzd91wh5hhnabnv413-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/4i7lsc30f3w12panjfvq2d38xk6via6x-check-vars