these 2 derivations will be built:
  /nix/store/k7j2pq9s9w3vl8i5hkw0fslg2j36h0lz-flake-inputs.drv
  /nix/store/xkn93ab00xdg18m89jw4av2hxv9vmsnp-check-flake-inputs.drv
building '/nix/store/k7j2pq9s9w3vl8i5hkw0fslg2j36h0lz-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/k7j2pq9s9w3vl8i5hkw0fslg2j36h0lz-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building k7j2pq9s9w3vl8i5hkw0fslg2j36h0lz-flake-inputs.drv
building '/nix/store/xkn93ab00xdg18m89jw4av2hxv9vmsnp-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/xkn93ab00xdg18m89jw4av2hxv9vmsnp-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building xkn93ab00xdg18m89jw4av2hxv9vmsnp-check-flake-inputs.drv