these 3 derivations will be built:
  /nix/store/2g7m3lkjzrifnz41fqnrv6sdmzav9np5-grok-1.0.70-linux-aarch64.drv
  /nix/store/943awvs3p3774kd4p62y9rzwcl7b13dl-grok-1.0.70.drv
  /nix/store/z1mp9i86na1j6jh7lhdxifypsbnjkmlc-check-grok.drv
building '/nix/store/z1mp9i86na1j6jh7lhdxifypsbnjkmlc-check-grok.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/z1mp9i86na1j6jh7lhdxifypsbnjkmlc-check-grok.drv' on farm.numtide.com:50051
check-grok> elastic-arm-04535f05: building z1mp9i86na1j6jh7lhdxifypsbnjkmlc-check-grok.drv