these 2 derivations will be built:
  /nix/store/al32aswms3bc6cxv4sfj6aix374mjnlc-flake-inputs.drv
  /nix/store/hq2h6n8r8ya15179ddhffg3lqq4n0b2q-check-flake-inputs.drv
building '/nix/store/al32aswms3bc6cxv4sfj6aix374mjnlc-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/al32aswms3bc6cxv4sfj6aix374mjnlc-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building al32aswms3bc6cxv4sfj6aix374mjnlc-flake-inputs.drv
building '/nix/store/hq2h6n8r8ya15179ddhffg3lqq4n0b2q-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/hq2h6n8r8ya15179ddhffg3lqq4n0b2q-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building hq2h6n8r8ya15179ddhffg3lqq4n0b2q-check-flake-inputs.drv