these 2 derivations will be built:
  /nix/store/k7429ylq91nz7zba1l1ncw2j7b5bwzcw-ctx-2.2.8.drv
  /nix/store/g9i9ps8v95r8k35j7103687hbvbm9pd3-check-ctx.drv
these 2 paths will be fetched (0.0 KiB download, 1.2 GiB unpacked):
  /nix/store/qnwb79dns2yv871if1znfmzkkcqrr57j-ctx-2.2.8-vendor
  /nix/store/y4k5v64q7whha97mrddjilbm536zqc41-source
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy