these 4 derivations will be built:
  /nix/store/c529zcml72nc4mjbgk2gk1zqavnc4cfj-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/wlcyjgmg5aj48mdvd0wjrlbrnwigfazz-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/h91k4rjdw0a10d8kngcb19vk0xxrnjy9-iets-release-0.2.0.drv
  /nix/store/5yv8qzl6kklmkrp6ji6wrx4av1g0qwvy-inputDerivation-effect-release.drv
building '/nix/store/c529zcml72nc4mjbgk2gk1zqavnc4cfj-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'...
building '/nix/store/wlcyjgmg5aj48mdvd0wjrlbrnwigfazz-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
copying 1 paths...
copying path '/nix/store/7ksmz0mbpvb4pfkkdj09h9skpdb08mx0-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/c529zcml72nc4mjbgk2gk1zqavnc4cfj-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/c529zcml72nc4mjbgk2gk1zqavnc4cfj-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/4cvmbdqw235ai5z47s7lg0v4fklmvg76-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/h91k4rjdw0a10d8kngcb19vk0xxrnjy9-iets-release-0.2.0.drv'...
building '/nix/store/5yv8qzl6kklmkrp6ji6wrx4av1g0qwvy-inputDerivation-effect-release.drv'...