Update the `cargo` submodule

Notably pull in an update to the `jobserver` crate to have Cargo set the
`CARGO_MAKEFLAGS` environment variable instead of the `MAKEFLAGS` environment
variable.

diff --git a/src/Cargo.lock b/src/Cargo.lock
index 35634d25325502126f7e88eb26a7d3f2e0a14b4f..4985009f66df91f51abb338fc9fc1fae09da8455 100644 (file)
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -180,7 +180,7 @@ dependencies = [
  "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "hamcrest 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "jobserver 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jobserver 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "libgit2-sys 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -556,7 +556,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "jobserver"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.26 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1077,7 +1077,7 @@ dependencies = [
  "flate2 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "fmt_macros 0.0.0",
  "graphviz 0.0.0",
- "jobserver 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jobserver 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "owning_ref 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_back 0.0.0",
@@ -1389,7 +1389,7 @@ dependencies = [
  "crossbeam 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "flate2 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "gcc 0.3.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "jobserver 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jobserver 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "owning_ref 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc 0.0.0",
@@ -2037,7 +2037,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum hex 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d6a22814455d41612f41161581c2883c0c6a1c41852729b17d5ed88f01e153aa"
 "checksum idna 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2233d4940b1f19f0418c158509cd7396b8d70a5db5705ce410914dc8fa603b37"
 "checksum itoa 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eb2f404fbc66fd9aac13e998248505e7ecb2ad8e44ab6388684c5fb11c6c251c"
-"checksum jobserver 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "4e28adc987f6d0521ef66ad60b055968107b164b3bb3cf3dc8474e0a380474a6"
+"checksum jobserver 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "443ae8bc0af6c106e6e8b77e04684faecc1a5ce94e058f4c2b0a037b0ea1b133"
 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
 "checksum languageserver-types 0.11.1 (registry+https://github.com/rust-lang/crates.io-index)" = "680aee78c75504fdcb172635a7b7da0dccaafa4c42d935e19576c14b27942362"
 "checksum lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "3b37545ab726dd833ec6420aaba8231c5b320814b9029ad585555d2a03e94fbf"

diff --git a/src/tools/cargo b/src/tools/cargo
index eb6cf012a6cc23c9c89c4009564de9fccc38b9cb..f709c35a35687b2665eb290695825375be91410b 160000 (submodule)
--- a/src/tools/cargo
+++ b/src/tools/cargo
@@ -1 +1 @@
-Subproject commit eb6cf012a6cc23c9c89c4009564de9fccc38b9cb
+Subproject commit f709c35a35687b2665eb290695825375be91410b