these 2 derivations will be built:
  /nix/store/wf1mpgadr9bdb87xpz5lk16wrjb1p2j3-ctx-2.2.8.drv
  /nix/store/kciajj1f1ahbgb62iakp0bl5r8xlid4d-check-ctx.drv
this path will be fetched (0.0 KiB download, 1.2 GiB unpacked):
  /nix/store/hqlfcman69yb37597lspmxjmw8ci3k1s-ctx-2.2.8-vendor
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy