these 2 derivations will be built:
  /nix/store/22k77m1rnhxlmhdhi3ggmmxlygyqaxsr-iets-fuzzers-0.0.0.drv
  /nix/store/22yqxh04599rwfkklmqsvhsgj3m4inmi-iets-fuzz-drv-check.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy