these 2 derivations will be built:
  /nix/store/d674kpsrxi10vwaqqh87anhwbmn478yn-amp-0.0.1792800065-ga5b55b.drv
  /nix/store/w6zf9kb4ph25q6q41jiml54wqx44amr9-check-amp.drv
building '/nix/store/d674kpsrxi10vwaqqh87anhwbmn478yn-amp-0.0.1792800065-ga5b55b.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=23&system=aarch64-darwin'
building '/nix/store/d674kpsrxi10vwaqqh87anhwbmn478yn-amp-0.0.1792800065-ga5b55b.drv' on farm.numtide.com:50051
amp-0.0.1792800065-ga5b55b> mac02: building d674kpsrxi10vwaqqh87anhwbmn478yn-amp-0.0.1792800065-ga5b55b.drv
amp-0.0.1792800065-ga5b55b> Using versionCheckHook
amp-0.0.1792800065-ga5b55b> Running phase: patchPhase
amp-0.0.1792800065-ga5b55b> Running phase: updateAutotoolsGnuConfigScriptsPhase
amp-0.0.1792800065-ga5b55b> Running phase: configurePhase
amp-0.0.1792800065-ga5b55b> no configure script, doing nothing
amp-0.0.1792800065-ga5b55b> Running phase: buildPhase
amp-0.0.1792800065-ga5b55b> no Makefile or custom buildPhase, doing nothing
amp-0.0.1792800065-ga5b55b> Running phase: installPhase
amp-0.0.1792800065-ga5b55b> Running phase: fixupPhase
amp-0.0.1792800065-ga5b55b> checking for references to /nix/var/nix/builds/nix-89514-3370199490/ in /nix/store/0b1n1n88gpzcb71qvf2ccyzlga2fjx99-amp-0.0.1792800065-ga5b55b...
amp-0.0.1792800065-ga5b55b> patching script interpreter paths in /nix/store/0b1n1n88gpzcb71qvf2ccyzlga2fjx99-amp-0.0.1792800065-ga5b55b
amp-0.0.1792800065-ga5b55b> /nix/store/m9x2il13sywj54296ddwksmx72lbv950-cctools-1010.6/bin/install_name_tool: warning: changes being made to the file will invalidate the code signature in: /nix/store/0b1n1n88gpzcb71qvf2ccyzlga2fjx99-amp-0.0.1792800065-ga5b55b/bin/amp
amp-0.0.1792800065-ga5b55b> adding code signature flag CodeSignatureFlags(LINKER_SIGNED) to main signing target
amp-0.0.1792800065-ga5b55b> signing /nix/store/0b1n1n88gpzcb71qvf2ccyzlga2fjx99-amp-0.0.1792800065-ga5b55b/bin/amp in place
amp-0.0.1792800065-ga5b55b> signing /nix/store/0b1n1n88gpzcb71qvf2ccyzlga2fjx99-amp-0.0.1792800065-ga5b55b/bin/amp as a Mach-O binary
amp-0.0.1792800065-ga5b55b> setting binary identifier to amp
amp-0.0.1792800065-ga5b55b> parsing Mach-O
amp-0.0.1792800065-ga5b55b> writing Mach-O to /nix/store/0b1n1n88gpzcb71qvf2ccyzlga2fjx99-amp-0.0.1792800065-ga5b55b/bin/amp
amp-0.0.1792800065-ga5b55b> Running phase: installCheckPhase
amp-0.0.1792800065-ga5b55b> Executing versionCheckPhase
amp-0.0.1792800065-ga5b55b> Successfully managed to find version 0.0.1792800065-ga5b55b in the output of the command /nix/store/0b1n1n88gpzcb71qvf2ccyzlga2fjx99-amp-0.0.1792800065-ga5b55b/bin/amp --version
amp-0.0.1792800065-ga5b55b> 0.0.1792800065-ga5b55b (released 2026-10-24T00:01:05.000Z, 4h ago)
amp-0.0.1792800065-ga5b55b> Finished versionCheckPhase
amp-0.0.1792800065-ga5b55b> no Makefile or custom installCheckPhase, doing nothing
building '/nix/store/w6zf9kb4ph25q6q41jiml54wqx44amr9-check-amp.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=23&system=aarch64-darwin'
building '/nix/store/w6zf9kb4ph25q6q41jiml54wqx44amr9-check-amp.drv' on farm.numtide.com:50051
check-amp> mac02: building w6zf9kb4ph25q6q41jiml54wqx44amr9-check-amp.drv
could not copy /nix/store/94k5fxnzp4b0s4vjflziwyi71m1jva6f-check-amp: error: gRPC FetchNars failed: failed to connect to all addresses; last error: UNKNOWN: ipv4:65.21.215.17:50051: handshaker shutdown
error: some outputs are unexpectedly invalid