Compiling the Watcher


I have been trying build the Watcher as I would like to run a Watcher.
I came across this question (Building and Running the Watcher) which is similar, however my issue is different.

I am following this guide (mobilecoin/watcher at master · mobilecoinfoundation/mobilecoin · GitHub) to build the code, however, it the compilation fails with this error:

Compiling once_cell v1.7.2
   Compiling syn v0.15.44
   Compiling byteorder v1.4.3
   Compiling proc-macro2 v1.0.27
error: failed to run custom build command for `proc-macro2 v1.0.27`

Caused by:
  process didn't exit successfully: `/home/cndolo/mobilecoin/target/release/build/proc-macro2-3a9ea7babb00e00e/build-script-build` (signal: 4, SIGILL: illegal instruction)
  --- stdout
warning: build failed, waiting for other jobs to finish...
error: build failed

This is within the container as well as in a fresh Ubuntu 20.04 installation.

Does anyone know how I can fix this?

I had a similar compile problem. see here

Thank you - this solved the issue.
I replaced the skylake target with native, i.e.

rustflags = ["-D", "warnings", "-C", "target-cpu=native"]
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