these 2 derivations will be built:
  /nix/store/7l1q2d2hkj6ylq578i3xhrjxk98p7msv-treefmt-c026307-go-modules.drv
  /nix/store/b58bzhn3k2dchjggdm94265a29drzi9y-treefmt-c026307.drv
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
cannot build 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=20&system=aarch64-linux': error: gRPC StoreInfo on 'farm.numtide.com:50051' failed: no healthy upstream
       hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
cannot build 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-linux': error: gRPC StoreInfo on 'farm.numtide.com:50051' failed: no healthy upstream
       hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
cannot build 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=22&system=aarch64-linux': error: gRPC StoreInfo on 'farm.numtide.com:50051' failed: no healthy upstream
       hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
cannot build 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-linux': error: gRPC StoreInfo on 'farm.numtide.com:50051' failed: no healthy upstream
       hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.
Failed to find a machine for remote build!
derivation: 3j4lk981mzvfdqbf0arqfiq096gxn7kk-treefmt-c026307-go-modules.drv
required (system, features): (aarch64-linux, [])
6 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-linux], 8, [big-parallel, kvm, nixos-test, uid-range], [])
([aarch64-linux], 8, [big-parallel, kvm, nixos-test, uid-range], [])
([aarch64-linux], 8, [big-parallel, kvm, nixos-test, uid-range], [])
([aarch64-linux], 8, [big-parallel, kvm, nixos-test, uid-range], [])
([aarch64-darwin], 8, [big-parallel], [])
([x86_64-darwin], 8, [big-parallel], [])
error: Cannot build '/nix/store/3j4lk981mzvfdqbf0arqfiq096gxn7kk-treefmt-c026307-go-modules.drv'.
       Reason: platform mismatch
       Required system: 'aarch64-linux'
       Current system: 'x86_64-linux'
error: build of resolved derivation '/nix/store/3j4lk981mzvfdqbf0arqfiq096gxn7kk-treefmt-c026307-go-modules.drv' failed
error: Cannot build '/nix/store/b58bzhn3k2dchjggdm94265a29drzi9y-treefmt-c026307.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/xg5llnw4a9iv8sd3lv9hhpdwqp54nzvs-treefmt-c026307