warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
these 2 derivations will be built:
  /nix/store/jqs606cx0ip2r5bfr9bkbyhaflhjnrk7-iets-release-0.2.0.drv
  /nix/store/pzr1dmy7virv6kxjngh24zvc03q3z5wy-inputDerivation-effect-release.drv
building '/nix/store/jqs606cx0ip2r5bfr9bkbyhaflhjnrk7-iets-release-0.2.0.drv'...
building '/nix/store/pzr1dmy7virv6kxjngh24zvc03q3z5wy-inputDerivation-effect-release.drv'...