branch master updated (2d2388e -> 3b7ccbe)

[David Craven]

dvc pushed a change to branch master
in repository guix.

      from  2d2388e   gnu: Add ghc-language-c.
       new  b5a0964   gnu: Add cargo.
       new  3b7ccbe   build-system: cargo: Use correct cargo.

The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/packages/rust.scm       |   61 ++++++++++++++++++++++++++++++++++++++++---
 guix/build-system/cargo.scm |    3 +--
 2 files changed, 59 insertions(+), 5 deletions(-)