these 4 derivations will be built:
  /nix/store/15gr78h24czhq3ba03lfkymb5ahimfdk-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/hqi3gqy9azm7nf5j7n2kmsfqb9p19h1m-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/gwyws2v7rmn8mk7xw989z241z00vhi0d-iets-release-0.2.0.drv
  /nix/store/170y2f2qky45dw3vlax6jb9882h7qib3-inputDerivation-effect-release.drv
building '/nix/store/hqi3gqy9azm7nf5j7n2kmsfqb9p19h1m-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'...
building '/nix/store/15gr78h24czhq3ba03lfkymb5ahimfdk-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
copying 1 paths...
copying path '/nix/store/j3w5hxqb7q38mzhml9h2h8fn9m75xlcp-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/hqi3gqy9azm7nf5j7n2kmsfqb9p19h1m-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/hqi3gqy9azm7nf5j7n2kmsfqb9p19h1m-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/2i9lqks92ssqkqb6zxwr9pqalvlm0kz5-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/gwyws2v7rmn8mk7xw989z241z00vhi0d-iets-release-0.2.0.drv'...
building '/nix/store/170y2f2qky45dw3vlax6jb9882h7qib3-inputDerivation-effect-release.drv'...