Auto merge of #41978 - alexcrichton:update-cargo, r=Mark-Simulacrum · Mark-Simulacrum/rust@386b0b9

Commit

Auto merge of rust-lang#41978 - alexcrichton:update-cargo, r=Mark-Sim…

…ulacrum

Update the Cargo submodule

Brings some nice updates like faster index clones/updates, retries on 500 from
crates.io, etc.

bors committed May 14, 2017

2 parents 9f15631 + d0a6af3 commit 386b0b9

+3 −0		src/cargo/ops/cargo_output_metadata.rs
+12 −1		src/cargo/ops/cargo_rustc/compilation.rs
+27 −3		src/cargo/ops/cargo_rustc/context.rs
+50 −35		src/cargo/sources/registry/index.rs
+7 −2		src/cargo/sources/registry/local.rs
+7 −6		src/cargo/sources/registry/mod.rs
+133 −61		src/cargo/sources/registry/remote.rs
+58 −0		src/cargo/util/errors.rs
+9 −8		src/doc/build-script.md
+1 −21		tests/cargotest/lib.rs
+76 −0		tests/cross-compile.rs
+8 −0		tests/metadata.rs