these 2 derivations will be built:
  /nix/store/ac4f85qsff7l0a5jdazi5dsvnw0svyyc-flake-inputs.drv
  /nix/store/lj4d66iiaf46s9lw7nh9xxx2cvnbc508-check-flake-inputs.drv
building '/nix/store/ac4f85qsff7l0a5jdazi5dsvnw0svyyc-flake-inputs.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=22&system=aarch64-linux'
warning: ac4f85qsff7l0a5jdazi5dsvnw0svyyc-flake-inputs.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}, waiting up to 120s for a worker
building '/nix/store/ac4f85qsff7l0a5jdazi5dsvnw0svyyc-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-02023afc: building ac4f85qsff7l0a5jdazi5dsvnw0svyyc-flake-inputs.drv
building '/nix/store/lj4d66iiaf46s9lw7nh9xxx2cvnbc508-check-flake-inputs.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/lj4d66iiaf46s9lw7nh9xxx2cvnbc508-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-02023afc: building lj4d66iiaf46s9lw7nh9xxx2cvnbc508-check-flake-inputs.drv