these 2 derivations will be built:
  /nix/store/k4s2y4b6l20zrc5s3n3g679l09k9giaw-flake-inputs.drv
  /nix/store/j1d7vwnpk0qkgcjz8r0ibxlq1ymjbgwd-check-flake-inputs.drv
building '/nix/store/k4s2y4b6l20zrc5s3n3g679l09k9giaw-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/k4s2y4b6l20zrc5s3n3g679l09k9giaw-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building k4s2y4b6l20zrc5s3n3g679l09k9giaw-flake-inputs.drv
building '/nix/store/j1d7vwnpk0qkgcjz8r0ibxlq1ymjbgwd-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/j1d7vwnpk0qkgcjz8r0ibxlq1ymjbgwd-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building j1d7vwnpk0qkgcjz8r0ibxlq1ymjbgwd-check-flake-inputs.drv