these 3 derivations will be built:
  /nix/store/8fiiaf3lm2c7q9bjrxi5ail2bnbzylx1-rendered.drv
  /nix/store/r5di8km8xnm6jw8hwl3wfnxi8li5fawk-generated-docs.drv
  /nix/store/5lkbpfxjhn3ij6m1vprqwjybb10nhqql-nix-shell.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy