these 3 derivations will be built:
  /nix/store/0xlq0q9l96244bb0scwfc75dsslb3hwb-amp-darwin-arm64.drv
  /nix/store/59i7x8483z2mkhivh9a2cawzs9rq0d0v-amp-0.0.1791604937-g4bfc2d.drv
  /nix/store/mcgl40njw1xp2pbg7gladdlx36i55mzg-check-amp.drv
building '/nix/store/8l474295br8g900ihghw8caykmga1h04-amp-darwin-arm64.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=21&system=aarch64-darwin'
building '/nix/store/8l474295br8g900ihghw8caykmga1h04-amp-darwin-arm64.drv' on farm.numtide.com:50051
amp-darwin-arm64> mac02: building 8l474295br8g900ihghw8caykmga1h04-amp-darwin-arm64.drv
amp-darwin-arm64> structuredAttrs is enabled
amp-darwin-arm64> 
amp-darwin-arm64> trying https://static.ampcode.com/cli/0.0.1791604937-g4bfc2d/amp-darwin-arm64
amp-darwin-arm64>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
amp-darwin-arm64>                                  Dload  Upload  Total   Spent   Left   Speed
amp-darwin-arm64> 
amp-darwin-arm64>   0      0   0      0   0      0      0      0                              0
amp-darwin-arm64>   1 104.5M   1  1.13M   0      0  1.10M      0   01:34   00:01   01:33  1.13M
amp-darwin-arm64>  25 104.5M  25 26.88M   0      0 13.17M      0   00:07   00:02   00:05 13.36M
amp-darwin-arm64>  52 104.5M  52 55.10M   0      0 17.91M      0   00:05   00:03   00:02 18.08M
amp-darwin-arm64>  79 104.5M  79 83.34M   0      0 20.33M      0   00:05   00:04   00:01 20.47M
amp-darwin-arm64> 100 104.5M 100 104.5M   0      0 21.54M      0   00:04   00:04         20.47M
amp-darwin-arm64> 100 104.5M 100 104.5M   0      0 21.54M      0   00:04   00:04         20.47M
amp-darwin-arm64> 100 104.5M 100 104.5M   0      0 21.54M      0   00:04   00:04         20.47M
building '/nix/store/59i7x8483z2mkhivh9a2cawzs9rq0d0v-amp-0.0.1791604937-g4bfc2d.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=21&system=aarch64-darwin'
building '/nix/store/59i7x8483z2mkhivh9a2cawzs9rq0d0v-amp-0.0.1791604937-g4bfc2d.drv' on farm.numtide.com:50051
amp-0.0.1791604937-g4bfc2d> mac02: building 59i7x8483z2mkhivh9a2cawzs9rq0d0v-amp-0.0.1791604937-g4bfc2d.drv
amp-0.0.1791604937-g4bfc2d> Using versionCheckHook
amp-0.0.1791604937-g4bfc2d> Running phase: patchPhase
amp-0.0.1791604937-g4bfc2d> Running phase: updateAutotoolsGnuConfigScriptsPhase
amp-0.0.1791604937-g4bfc2d> Running phase: configurePhase
amp-0.0.1791604937-g4bfc2d> no configure script, doing nothing
amp-0.0.1791604937-g4bfc2d> Running phase: buildPhase
amp-0.0.1791604937-g4bfc2d> no Makefile or custom buildPhase, doing nothing
amp-0.0.1791604937-g4bfc2d> Running phase: installPhase
amp-0.0.1791604937-g4bfc2d> Running phase: fixupPhase
amp-0.0.1791604937-g4bfc2d> checking for references to /nix/var/nix/builds/nix-5832-4111178366/ in /nix/store/2h6m3bzmznbf71p2nb8mqi6w7nhzxla1-amp-0.0.1791604937-g4bfc2d...
amp-0.0.1791604937-g4bfc2d> patching script interpreter paths in /nix/store/2h6m3bzmznbf71p2nb8mqi6w7nhzxla1-amp-0.0.1791604937-g4bfc2d
amp-0.0.1791604937-g4bfc2d> /nix/store/qphx08iqjsi2qx4v30hxfjpbg3v08i0j-cctools-1010.6/bin/install_name_tool: warning: changes being made to the file will invalidate the code signature in: /nix/store/2h6m3bzmznbf71p2nb8mqi6w7nhzxla1-amp-0.0.1791604937-g4bfc2d/bin/amp
amp-0.0.1791604937-g4bfc2d> adding code signature flag CodeSignatureFlags(LINKER_SIGNED) to main signing target
amp-0.0.1791604937-g4bfc2d> signing /nix/store/2h6m3bzmznbf71p2nb8mqi6w7nhzxla1-amp-0.0.1791604937-g4bfc2d/bin/amp in place
amp-0.0.1791604937-g4bfc2d> signing /nix/store/2h6m3bzmznbf71p2nb8mqi6w7nhzxla1-amp-0.0.1791604937-g4bfc2d/bin/amp as a Mach-O binary
amp-0.0.1791604937-g4bfc2d> setting binary identifier to amp
amp-0.0.1791604937-g4bfc2d> parsing Mach-O
amp-0.0.1791604937-g4bfc2d> writing Mach-O to /nix/store/2h6m3bzmznbf71p2nb8mqi6w7nhzxla1-amp-0.0.1791604937-g4bfc2d/bin/amp
amp-0.0.1791604937-g4bfc2d> Running phase: installCheckPhase
amp-0.0.1791604937-g4bfc2d> Executing versionCheckPhase
amp-0.0.1791604937-g4bfc2d> Successfully managed to find version 0.0.1791604937-g4bfc2d in the output of the command /nix/store/2h6m3bzmznbf71p2nb8mqi6w7nhzxla1-amp-0.0.1791604937-g4bfc2d/bin/amp --version
amp-0.0.1791604937-g4bfc2d> 0.0.1791604937-g4bfc2d (released 2026-10-10T04:02:17.000Z, 1h ago)
amp-0.0.1791604937-g4bfc2d> Finished versionCheckPhase
amp-0.0.1791604937-g4bfc2d> no Makefile or custom installCheckPhase, doing nothing
could not copy /nix/store/2h6m3bzmznbf71p2nb8mqi6w7nhzxla1-amp-0.0.1791604937-g4bfc2d: error: gRPC FetchNars failed: Stream removed (Socket closed)
error: some outputs are unexpectedly invalid