Bindgen 0.32.3 compile failure

[GregBowyer]

I am not sure where this is hiding, but we might need to add host-target.txt into the sandbox somehow?

greg@gregslaptop ~/that-thing/third_party/rust $ bazel build '//third_party/rust:xbindgen'
INFO: Analysed target //third_party/rust:xbindgen (1 packages loaded).
INFO: Found 1 target...
ERROR: /home/greg/.cache/bazel/_bazel_greg/67d8da3589d026fae94b8bebe7cc20ac/external/raze__bindgen__0_32_3/BUILD.bazel:55:1: error executing shell command: 'set -e; rm -rf bazel-out/k8-fastbuild/bin/external/raze__bindgen__0_32_3/bindgen.deps; mkdir bazel-out/k8-fastbuild/bin/external/raze__bindgen__0_32_3/bindgen.deps
 ln -sf ../../raze__cexpr__0_2_3/...' failed (Exit 101)
error: couldn't read /home/greg/.cache/bazel/_bazel_greg/67d8da3589d026fae94b8bebe7cc20ac/bazel-sandbox/5232548725936954145/execroot/io_biasedunit/out_dir/host-target.txt: No such file or directory (os error 2)
   --> external/raze__bindgen__0_32_3/src/ir/context.rs:526:9
    |
526 |         include_str!(concat!(env!("OUT_DIR"), "/host-target.txt"));
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to previous error

Target @raze__bindgen__0_32_3//:cargo_bin_bindgen failed to build
Use --verbose_failures to see the command lines of failed build steps.

[GregBowyer]

Should just use the right options when making the Cargo.toml