gonzo:[~/src/pants][ci_consolidation]$ ls -la ~/.cache/pants/rust/
total 0
drwxr-xr-x   6 benjyw  staff  192 Dec 25 23:22 .
drwxr-xr-x  14 benjyw  staff  448 Nov 27 13:24 ..
drwxr-xr-x   7 benjyw  staff  224 Nov 30 11:51 cargo
lrwxr-xr-x   1 benjyw  staff   86 Nov 15 06:42 cargo-1.30.0-b245396faf5f51df0f6ce3875a6285e4bb7fc563 -> /Users/benjyw/.cache/pants/rust/rustup/toolchains/1.30.0-x86_64-apple-darwin/bin/cargo
lrwxr-xr-x   1 benjyw  staff   54 Dec 25 23:22 cargo-1.31.1-b245396faf5f51df0f6ce3875a6285e4bb7fc563 -> rustup/toolchains/1.31.1-x86_64-apple-darwin/bin/cargo
drwxr-xr-x   7 benjyw  staff  224 Nov 15 06:42 rustup