these 3 derivations will be built:
  /nix/store/bpwzlaz6yq423kkr30hh7y0gxbm5gjva-wire-serve.drv
  /nix/store/j4dhppzfaywlci2kr4l620173smamy74-nix-conformance.drv
  /nix/store/f5pncy7wlfm8rbmc6b6lxjpxl7p1q4m9-nix-conformance-reference.drv
building '/nix/store/bpwzlaz6yq423kkr30hh7y0gxbm5gjva-wire-serve.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/bpwzlaz6yq423kkr30hh7y0gxbm5gjva-wire-serve.drv' on farm.numtide.com:50051
wire-serve> elastic-arm-2c14001d: building bpwzlaz6yq423kkr30hh7y0gxbm5gjva-wire-serve.drv
wire-serve> /nix/store/lv1j9z8vn2f4ka729pl1z43di8ncnisq-serve.c: In function 'main':
wire-serve> /nix/store/lv1j9z8vn2f4ka729pl1z43di8ncnisq-serve.c:169:5: warning: ignoring return value of 'freopen' declared with attribute 'warn_unused_result' [-Wunused-result]
wire-serve>   169 |     freopen("/dev/null", "w", stdout);
wire-serve>       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
building '/nix/store/j4dhppzfaywlci2kr4l620173smamy74-nix-conformance.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/j4dhppzfaywlci2kr4l620173smamy74-nix-conformance.drv' on farm.numtide.com:50051
nix-conformance> elastic-arm-2c14001d: building j4dhppzfaywlci2kr4l620173smamy74-nix-conformance.drv
nix-conformance> structuredAttrs is enabled
building '/nix/store/f5pncy7wlfm8rbmc6b6lxjpxl7p1q4m9-nix-conformance-reference.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/f5pncy7wlfm8rbmc6b6lxjpxl7p1q4m9-nix-conformance-reference.drv' on farm.numtide.com:50051
nix-conformance-reference> elastic-arm-2c14001d: building f5pncy7wlfm8rbmc6b6lxjpxl7p1q4m9-nix-conformance-reference.drv