warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
this derivation will be built:
  /nix/store/vbr2xwvnd2r31nvibrk4qk2bfbj5qabs-inputDerivation-gh-pages.drv
building '/nix/store/vbr2xwvnd2r31nvibrk4qk2bfbj5qabs-inputDerivation-gh-pages.drv'...
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy