these 2 derivations will be built:
  /nix/store/0cjmwk9f1qwcmsbqx2yf883m8m6785dz-mimo-code-0.1.17.drv
  /nix/store/68j1cixghz5ak2jf58limj47652s7yj6-check-mimo-code.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy