This MR switches redoxfs to using fuser instead of fuse-rs.
Reason: according to fuse-rs' github issues, the library is dead. fuse-rs also fails to compile on systems with systems having libfuse >=3.0. Gentoo current uses libfuse >=3.0. Fuser fixes this issue.
Other solution: fork fuse-rs and fix the config files to allow for linking against libfuse3. This solution was not done because fuse-rs is a dead library and will only atrophy with more time.
Potential problems with this MR:
- Some of my time conversions might be incorrect as I do not have a super solid grasp of unix time
- Fuse library options were commented out as they were unsupported on macos by fuser. I cannot test the implications of this because I do not have a mac
- I did some very brief testing on my linux system but not on redox-os because I can't compile redox until the fuse issue is fixed. However, I do not think this would matter because I only modified fuse.rs.
Compiler info: Redoxfs does not compile on the stable toolchain, only on nightly. I do not believe this behavior is due to my MR.