the rust std library has been changed to not try to reallocate
a guard page on the stack.
as the rust std library is statically linked in rust programs,
bump REVISION to force reinstall.
The ring-v0.16.20 crate (latest) only builds on a handful of archs.
Work seems to be ongoing upstream to add support for more architectures.
ok semarie@
we are managing installed files with different mecanism.
it is the v2 for tracking crates installation, and we already remove v1 (.crates.toml).
take care of cleaning ports which are already seen it
problem spotted by landry@
ok landry@
