these 2 derivations will be built:
  /nix/store/kjjw0v4lgn29yfivljd9mchn42nl88g3-flake-inputs.drv
  /nix/store/axij751hi0hcb8cdg0wqyk6bdm26ns8n-check-flake-inputs.drv
building '/nix/store/kjjw0v4lgn29yfivljd9mchn42nl88g3-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/kjjw0v4lgn29yfivljd9mchn42nl88g3-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-ae77d39a: building kjjw0v4lgn29yfivljd9mchn42nl88g3-flake-inputs.drv
building '/nix/store/axij751hi0hcb8cdg0wqyk6bdm26ns8n-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/axij751hi0hcb8cdg0wqyk6bdm26ns8n-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-ae77d39a: building axij751hi0hcb8cdg0wqyk6bdm26ns8n-check-flake-inputs.drv