these 2 derivations will be built:
  /nix/store/svz01nfr07sr64rl41vj108mggfflm1x-flake-inputs.drv
  /nix/store/sig7n4ivj5rmx73dri0r1p1cffdq39z1-check-flake-inputs.drv
building '/nix/store/svz01nfr07sr64rl41vj108mggfflm1x-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/svz01nfr07sr64rl41vj108mggfflm1x-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building svz01nfr07sr64rl41vj108mggfflm1x-flake-inputs.drv
building '/nix/store/sig7n4ivj5rmx73dri0r1p1cffdq39z1-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/sig7n4ivj5rmx73dri0r1p1cffdq39z1-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building sig7n4ivj5rmx73dri0r1p1cffdq39z1-check-flake-inputs.drv