Security update for rust

This update for rust fixes the following issues:

Rust was updated to version 1.36.0.

Security issues fixed:

- CVE-2019-12083: a standard method can be overridden violating Rust's safety guarantees and causing memory unsafety (bsc#1134978)
- CVE-2018-1000622: rustdoc loads plugins from world writable directory allowing for arbitrary code execution (bsc#1100691)

This update was imported from the SUSE:SLE-15:Update update project.

Fixed bugs
bnc#1096945
rust-std sub-package not provided
bnc#1100691
VUL-0: CVE-2018-1000622 rust: rustdoc loads plugins from world writable directory allowing for arbitrary code execution
bnc#1133283
LTO: rust build fails
bnc#1134978
VUL-1: CVE-2019-12083: rust: a standard method can be overridden violating Rust's safety guarantees and causing memory unsafety
Selected Binaries
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