these 2 derivations will be built:
  /nix/store/cw8nb2bl8ykibq5dzry8ps0axl0r1alk-nix-conformance.drv
  /nix/store/dg1avccm0z6alf0q4mkp03paw47c7dvb-nix-conformance-reference.drv
building '/nix/store/cw8nb2bl8ykibq5dzry8ps0axl0r1alk-nix-conformance.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=23&system=aarch64-linux'
building '/nix/store/cw8nb2bl8ykibq5dzry8ps0axl0r1alk-nix-conformance.drv' on farm.numtide.com:50051
nix-conformance> elastic-arm-9061e5d0: building cw8nb2bl8ykibq5dzry8ps0axl0r1alk-nix-conformance.drv
nix-conformance> structuredAttrs is enabled
building '/nix/store/dg1avccm0z6alf0q4mkp03paw47c7dvb-nix-conformance-reference.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=23&system=aarch64-linux'
building '/nix/store/dg1avccm0z6alf0q4mkp03paw47c7dvb-nix-conformance-reference.drv' on farm.numtide.com:50051
nix-conformance-reference> elastic-arm-9061e5d0: building dg1avccm0z6alf0q4mkp03paw47c7dvb-nix-conformance-reference.drv