cargo rustc --manifest-path ./engine/Cargo.toml --bin tcheran --release   -- -C target-cpu=native --emit link=Tcheran-93F689AD
   Compiling shlex v2.0.1
   Compiling find-msvc-tools v0.1.11
   Compiling cc v1.4.4
   Compiling engine v14.0.0-dev (/private/var/folders/vj/wh6vw3vd3t509h3hnsgg6_lc0000gn/T/tmpq3_1r3j0/Tcheran/Tcheran-tmp/engine)
error: failed to run custom build command for `engine v14.0.0-dev (/private/var/folders/vj/wh6vw3vd3t509h3hnsgg6_lc0000gn/T/tmpq3_1r3j0/Tcheran/Tcheran-tmp/engine)`

Caused by:
  process didn't exit successfully: `/Users/jgilchrist/.cargo/build/3e/096ad3c96244cd/release/build/engine-a16806a4ccd6266b/build-script-build` (exit status: 101)
  --- stdout
  cargo:rustc-env=ENGINE_VERSION=v14.0-dev
  cargo:rerun-if-env-changed=EVALFILE

  --- stderr

  thread 'main' (721405) 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