[nongnu] elpa/rust-mode updated (4686c6e5f5 -> c87f6f82bd)

[ELPA Syncer]

elpasync pushed a change to branch elpa/rust-mode.

      from  4686c6e5f5 Merge pull request #554 from 
PuercoPop/update-rustfmt-default-edition
       new  4e7bf14bd0 add(rustfmt): introduce a new compilation-mode for 
rust-format
       new  b385ea0626 tests: add tests for rust-format
       new  19199f6c4a update changelog for `rust-format-mode`
       new  c87f6f82bd Merge pull request #556 from 
roife/rustfmt-compilation-mode


Summary of changes:
 Changelog.md        |  1 +
 rust-cargo-tests.el | 19 +++++++++++++++++++
 rust-rustfmt.el     | 49 +++++++++++++++++++++++++++++++++++++++++++++----
 3 files changed, 65 insertions(+), 4 deletions(-)