these 2 derivations will be built:
  /nix/store/k05acg4ai5yn7q3vrhrmv0fq7rrb3wh0-iets-fuzzers-0.0.0.drv
  /nix/store/6f5091az2q2jckd8456rhk95gmg6pvwx-iets-fuzz-eval-check.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy