cargo rustc --manifest-path ./engine/Cargo.toml --bin tcheran --release   -- -C target-cpu=native --emit link=Tcheran-15DC8BCA
   Compiling shlex v2.0.1
   Compiling find-msvc-tools v0.1.9
   Compiling libc v0.2.189
   Compiling cc v1.2.65
   Compiling engine v14.0.0-dev (/private/var/folders/vj/wh6vw3vd3t509h3hnsgg6_lc0000gn/T/tmpa64hmki1/Tcheran/Tcheran-tmp/engine)
error: failed to run custom build command for `engine v14.0.0-dev (/private/var/folders/vj/wh6vw3vd3t509h3hnsgg6_lc0000gn/T/tmpa64hmki1/Tcheran/Tcheran-tmp/engine)`

Caused by:
  process didn't exit successfully: `/Users/jgilchrist/.cargo/build/fa/dd881ce6271d91/release/build/engine-292480591ef5d661/build-script-build` (exit status: 101)
  --- stdout
  cargo:rustc-env=ENGINE_VERSION=v14.0-dev
  cargo:rerun-if-env-changed=EVALFILE

  --- stderr

  thread 'main' (2273415) panicked at engine/build.rs:105:5:
  Unable to download network
  note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
make: *** [build] Error 101