warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
this derivation will be built:
  /nix/store/2ngn7wj6wsii32kcimgz62nfmdbb0x6i-inputDerivation-effect-docs.drv
building '/nix/store/2ngn7wj6wsii32kcimgz62nfmdbb0x6i-inputDerivation-effect-docs.drv'...