branch master updated (2f65047 -> 3781593)

[guix-commits]

efraim pushed a change to branch master
in repository guix.

    from 2f65047  gnu: zutils: Update to 1.9.
     new 0ff6b01  gnu: Add rust-pretty-env-logger-0.4.
     new 3a963cd  gnu: rust-cbindgen: Update to 0.13.2.
     new 366a23f  gnu: rust-cargo-c: Update to 0.5.3.
     new 3781593  gnu: Add rust-itertools-0.9.

The 4 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/packages/crates-io.scm | 79 +++++++++++++++++++++++++++++++++++++---------
 gnu/packages/rust-apps.scm | 12 +++----
 2 files changed, 70 insertions(+), 21 deletions(-)