rust 1.3.0

[alex]

No description provided.

[DomT4]

==> ./install.sh --prefix=/private/tmp/rust--cargo20150918-36503-wtmhoi/target/snapshot/cargo
install: creating uninstall script at /private/tmp/rust--cargo20150918-36503-wtmhoi/target/snapshot/cargo/lib/rustlib/uninstall.sh
install: installing component 'cargo'

    Rust is ready to roll.

Error: inreplace failed
Makefile.in:
  expected replacement of "\"$$(CFG_RUSTC)\"" with "$$(CFG_RUSTC)"
  expected replacement of "\"$$(CARGO)\"" with "$$(CARGO)"

[ghost]

I created a different PR: #44120
This removes the "inreplace" work-around for El Capitan which has since been committed to cargo. See rust-lang/cargo#1816
Also, #44120 updates the cargo-nightly resource.

[alex]

@dtrebbien I'll close my PR then! Thanks for working on this, ✨