these 5 derivations will be built:
  /nix/store/24bllgggvjybp078fp9z068h954hb3fc-closure-info.drv
  /nix/store/hxgl4mxnaj9s42040y6wki9d9kb95w7i-clan-runtime.drv
  /nix/store/85z927hrhp3n2dgcmgd92lb5n03ancn9-clan-cli-source.drv
  /nix/store/6bvcy6353bnj61ld4syk64b141h9gjny-clan-cli.drv
  /nix/store/jwwjpbisyy4niv93s49922xmvjfnl64p-check-vars.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy