this derivation will be built:
  /nix/store/zb5zyd112mjdmsc2v1z5q9j9ljflsw00-linja-pi-pu-lukin-unstable-2021-10-29.drv
building '/nix/store/bgzgc06adz23xamm8ydwl8yhi8hy8bcp-linja-pi-pu-lukin-unstable-2021-10-29.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=20&system=aarch64-linux'
building '/nix/store/bgzgc06adz23xamm8ydwl8yhi8hy8bcp-linja-pi-pu-lukin-unstable-2021-10-29.drv' on farm.numtide.com:50051
linja-pi-pu-lukin-unstable-2021-10-29> elastic-arm-0f89b4f7: building bgzgc06adz23xamm8ydwl8yhi8hy8bcp-linja-pi-pu-lukin-unstable-2021-10-29.drv
linja-pi-pu-lukin-unstable-2021-10-29> 
linja-pi-pu-lukin-unstable-2021-10-29> trying https://web.archive.org/web/20211029000000/https://jansa-tp.github.io/linja-pi-pu-lukin/PuLukin.otf
linja-pi-pu-lukin-unstable-2021-10-29>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
linja-pi-pu-lukin-unstable-2021-10-29>                                  Dload  Upload   Total   Spent    Left  Speed
linja-pi-pu-lukin-unstable-2021-10-29>   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
linja-pi-pu-lukin-unstable-2021-10-29> 100  152k  100  152k    0     0  58354      0  0:00:02  0:00:02 --:--:--  161k

upload niks3: ok