these 2 derivations will be built:
  /nix/store/0w30aijpbjw9qlicg2sfchr5b12iavhc-flake-inputs.drv
  /nix/store/6g9cmj1bsd47dr8ns1v1w6097p6dh9wn-check-flake-inputs.drv
building '/nix/store/0w30aijpbjw9qlicg2sfchr5b12iavhc-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0w30aijpbjw9qlicg2sfchr5b12iavhc-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 0w30aijpbjw9qlicg2sfchr5b12iavhc-flake-inputs.drv
building '/nix/store/6g9cmj1bsd47dr8ns1v1w6097p6dh9wn-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/6g9cmj1bsd47dr8ns1v1w6097p6dh9wn-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 6g9cmj1bsd47dr8ns1v1w6097p6dh9wn-check-flake-inputs.drv