vga_buffer.rs: Unique<> is unstable

[InPermutation]

src/vga_buffer.rs:1:5: 1:22 error: use of unstable library feature 'unique': needs an RFC to flesh out design (see issue #27730)
src/vga_buffer.rs:1 use core::ptr::Unique;
                        ^~~~~~~~~~~~~~~~~
src/vga_buffer.rs:1:5: 1:22 help: add #![feature(unique)] to the crate attributes to enable

[InPermutation]

cargo 0.6.0-nightly (59b73f1 2015-10-30)
rustc 1.6.0-nightly (2e07996a9 2015-10-29)
       Fresh rlibc v0.1.4

[InPermutation]

rust-lang/rust#27730

[InPermutation]

Also,

src/vga_buffer.rs:79:23: 79:30 error: use of unstable library feature 'core_str_ext': stable interface provided by `impl str` in later crates (see issue #27701)
src/vga_buffer.rs:79         for byte in s.bytes() {
                                           ^~~~~~~
src/vga_buffer.rs:79:23: 79:30 help: add #![feature(core_str_ext)] to the crate attributes to enable

[InPermutation]

Or am I supposed to be figuring these out as I compile? 😸

[phil-opp]

I missed these, thank you!