this derivation will be built:
  /nix/store/sdjal6a4w7r9viv08pw80nhll34kx7sm-nix-shell.drv
this path will be fetched (0.0 KiB download, 13.9 MiB unpacked):
  /nix/store/wad6jz9hsvg7cvnf4h2lxyf5dvc1qpqq-openspec-1.14.2
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
building '/nix/store/sdjal6a4w7r9viv08pw80nhll34kx7sm-nix-shell.drv'
nix-shell> Running phase: buildPhase

upload niks3: ok