these 2 derivations will be built:
  /nix/store/9aiwf91l8syggivm0w6sr80sskiji4lz-tincd-deps-0.1.0.drv
  /nix/store/qr4n9dcsd2wpkm4whgag70zflkb8zg5q-tincd-test-0.1.0.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy