these 3 derivations will be built:
  /nix/store/9bdfc5psbq7n2245dxsndxwmbs2jasvd-pythoncheck.sh.drv
  /nix/store/kshlqxnavgrg7caxhk7ga3j4hyvkcz3h-pythoncheck.sh.drv
  /nix/store/9hr1jm3wl3fi2xavagjf0pn8p8bx3qw3-ha-walker.drv
this path will be fetched (0.0 KiB download, 193.3 KiB unpacked):
  /nix/store/91a26w6xq3mlfr624xv63gprl2408mqp-dash-0.5.13.5
building '/nix/store/9bdfc5psbq7n2245dxsndxwmbs2jasvd-pythoncheck.sh.drv' on 'ssh-ng://nix-remote-builder@rofl-16.brkn.lol'
building '/nix/store/9bdfc5psbq7n2245dxsndxwmbs2jasvd-pythoncheck.sh.drv'
building '/nix/store/kshlqxnavgrg7caxhk7ga3j4hyvkcz3h-pythoncheck.sh.drv' on 'ssh-ng://nix-remote-builder@rofl-16.brkn.lol'
building '/nix/store/kshlqxnavgrg7caxhk7ga3j4hyvkcz3h-pythoncheck.sh.drv'
building '/nix/store/9hr1jm3wl3fi2xavagjf0pn8p8bx3qw3-ha-walker.drv' on 'ssh-ng://nix-remote-builder@rofl-16.brkn.lol'
building '/nix/store/9hr1jm3wl3fi2xavagjf0pn8p8bx3qw3-ha-walker.drv'
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy

upload niks3: ok