these 2 derivations will be built:
  /nix/store/ffj0wgcxjm7c5biihd8zn8hvski5fjsj-lean-ctx-3.10.2.drv
  /nix/store/s0pf5aznyidba38pjvmvyqrvgy6jnnyl-check-lean-ctx.drv
error: build of '/nix/store/ffj0wgcxjm7c5biihd8zn8hvski5fjsj-lean-ctx-3.10.2.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-linux' failed: timed out after 1200 seconds
error: Cannot build '/nix/store/ffj0wgcxjm7c5biihd8zn8hvski5fjsj-lean-ctx-3.10.2.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/7yabapn9p2x0cf8z5rm1zm8w2794dkfl-lean-ctx-3.10.2
error: Cannot build '/nix/store/s0pf5aznyidba38pjvmvyqrvgy6jnnyl-check-lean-ctx.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/jpv1xzwnf9zyrdml9n7hsj914dxzhyfg-check-lean-ctx