these 4 derivations will be built:
  /nix/store/x07qwq3mzwpqwyf3ldxkwfb24cdq6rw0-clan-cli-source.drv
  /nix/store/r38jfwi9dfd4jn8gsxnjkacyvsld82l6-clan-cli.drv
  /nix/store/f58ma1yrsaicmcp4j549qk9r5axg7f78-tofu.drv
  /nix/store/772qv8w9ccfx387yiw9nblz9wz19q0b3-cache-new.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy