these 2 derivations will be built:
  /nix/store/4fa898qypjbicknshir3c2g59w2afak9-flake-inputs.drv
  /nix/store/f4i9x656bdhiwvhrshsgfbjf0zp63kkm-check-flake-inputs.drv
building '/nix/store/4fa898qypjbicknshir3c2g59w2afak9-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/4fa898qypjbicknshir3c2g59w2afak9-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 4fa898qypjbicknshir3c2g59w2afak9-flake-inputs.drv
building '/nix/store/f4i9x656bdhiwvhrshsgfbjf0zp63kkm-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/f4i9x656bdhiwvhrshsgfbjf0zp63kkm-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building f4i9x656bdhiwvhrshsgfbjf0zp63kkm-check-flake-inputs.drv