branch master updated (857ff51 -> 4fde003)

[guix-commits]

dannym pushed a change to branch master
in repository guix.

      from  857ff51   gnu: direvent: Update to 5.2.
       new  c82c16a   build/cargo-build-system: Set CARGO_HOME early.
       new  848862f   gnu: rust-proc-macro2: Update to 0.4.30.
       new  4fde003   build/cargo-build-system: Use bundled json instead of 
guile-json.

The 3 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/crates-io.scm        |  4 ++--
 guix/build-system/cargo.scm       |  2 +-
 guix/build/cargo-build-system.scm | 12 +++++-------
 3 files changed, 8 insertions(+), 10 deletions(-)