these 4 derivations will be built:
  /nix/store/drdnd5jy4nhm4cfgsmpm5pa0xfcgk1n2-iets-static-aarch64-unknown-linux-musl-0.1.0.drv
  /nix/store/yjahws3rng6w1rrsmn7k7qbqwx9y9dkm-iets-static-x86_64-unknown-linux-musl-0.1.0.drv
  /nix/store/bmbq6x91sb2c0j7x5pap6d7dk9x94fgk-iets-release-0.1.0.drv
  /nix/store/7rwc914ws59p72b06wrc8hsbk5w8a602-inputDerivation-effect-release.drv
building '/nix/store/drdnd5jy4nhm4cfgsmpm5pa0xfcgk1n2-iets-static-aarch64-unknown-linux-musl-0.1.0.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'...
building '/nix/store/yjahws3rng6w1rrsmn7k7qbqwx9y9dkm-iets-static-x86_64-unknown-linux-musl-0.1.0.drv'...
copying 1 paths...
copying path '/nix/store/niwj18kz66adz8w8lfgkywzklkvzjkc6-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/drdnd5jy4nhm4cfgsmpm5pa0xfcgk1n2-iets-static-aarch64-unknown-linux-musl-0.1.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/drdnd5jy4nhm4cfgsmpm5pa0xfcgk1n2-iets-static-aarch64-unknown-linux-musl-0.1.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/fdzbyag25rfp3giss7p0dc59010cw243-iets-static-aarch64-unknown-linux-musl-0.1.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/bmbq6x91sb2c0j7x5pap6d7dk9x94fgk-iets-release-0.1.0.drv'...
building '/nix/store/7rwc914ws59p72b06wrc8hsbk5w8a602-inputDerivation-effect-release.drv'...