these 3 derivations will be built:
  /nix/store/05s8n06l7bbjw2xzs6r0i09pqfcyqyc9-iets-fuzz-diff-0.0.0.drv
  /nix/store/ariwa0aq892aw523h9mm5nf06vd2spqr-iets-fuzzers-0.0.0.drv
  /nix/store/pvpchvd273dhg04f32wvii7v1ljrllpv-iets-fuzz-drv-check.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy