these 4 derivations will be built:
  /nix/store/dc18mmsabjnwmgmrz788nkibbw5r5k2l-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/dv1kwhgpmpy6z29i7qkdy2yh0l7pnbrx-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/zkg9jwdqb1cddd15q84lavxazy8kgx2m-iets-release-0.2.0.drv
  /nix/store/bkw9f14y8dir88kq7sd5pfgfx99c3a26-inputDerivation-effect-release.drv
building '/nix/store/dc18mmsabjnwmgmrz788nkibbw5r5k2l-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
building '/nix/store/dv1kwhgpmpy6z29i7qkdy2yh0l7pnbrx-iets-static-aarch64-unknown-linux-musl-0.2.0.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=20&system=aarch64-linux'...
copying 1 paths...
copying path '/nix/store/qyr54l86prw437q376zl53bgb87fybdb-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/dv1kwhgpmpy6z29i7qkdy2yh0l7pnbrx-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/dv1kwhgpmpy6z29i7qkdy2yh0l7pnbrx-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/zlim2i8xwg5j9n42p0s1nbhmjkyb933l-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/zkg9jwdqb1cddd15q84lavxazy8kgx2m-iets-release-0.2.0.drv'...
building '/nix/store/bkw9f14y8dir88kq7sd5pfgfx99c3a26-inputDerivation-effect-release.drv'...