these 2 derivations will be built:
  /nix/store/0ba3d7m3l0aq40whirvr6v3waiqvafva-iets-0.1.0.drv
  /nix/store/x0x74mfpmh4h1kzf1jgzrn5yg1yx9p4x-iets-langtests.drv
building '/nix/store/x0x74mfpmh4h1kzf1jgzrn5yg1yx9p4x-iets-langtests.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=21&system=aarch64-linux'
building '/nix/store/x0x74mfpmh4h1kzf1jgzrn5yg1yx9p4x-iets-langtests.drv' on farm.numtide.com:50051
iets-langtests> elastic-arm-956a3eb3: building x0x74mfpmh4h1kzf1jgzrn5yg1yx9p4x-iets-langtests.drv
iets-langtests> pass=290 fail=0
iets-langtests> 

upload niks3: ok