these 2 derivations will be built:
  /nix/store/k3qa6f19i4zac0hqj7428yqpz4h14k04-flake-inputs.drv
  /nix/store/dvrhiixd3w0xc3fyj46661k8ksh00x4d-check-flake-inputs.drv
building '/nix/store/k3qa6f19i4zac0hqj7428yqpz4h14k04-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/k3qa6f19i4zac0hqj7428yqpz4h14k04-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building k3qa6f19i4zac0hqj7428yqpz4h14k04-flake-inputs.drv
building '/nix/store/dvrhiixd3w0xc3fyj46661k8ksh00x4d-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/dvrhiixd3w0xc3fyj46661k8ksh00x4d-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building dvrhiixd3w0xc3fyj46661k8ksh00x4d-check-flake-inputs.drv