these 5 derivations will be built:
  /nix/store/z7fd43v5fkfkyhr911k8rydhklq68lwd-clan-runtime.drv
  /nix/store/ya4qmlmsky54s4859jb3x02mpv0f6ipc-clan-cli-source.drv
  /nix/store/925dxw475rlmxj90iiimvnqq1ljafqc2-clan-cli.drv
  /nix/store/z6xpw6siridw2c52in210qpg9sxg9snc-closure-info.drv
  /nix/store/mrfm0lyhrp6ajs6q7pvq2qw0bl9khxbs-check-vars.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy