Merge branch 'master' into core-updates.

Conflicts:
	gnu/local.mk
	gnu/packages/build-tools.scm
	gnu/packages/certs.scm
	gnu/packages/check.scm
	gnu/packages/compression.scm
	gnu/packages/cups.scm
	gnu/packages/fontutils.scm
	gnu/packages/gnuzilla.scm
	gnu/packages/guile.scm
	gnu/packages/ibus.scm
	gnu/packages/image-processing.scm
	gnu/packages/linux.scm
	gnu/packages/music.scm
	gnu/packages/nss.scm
	gnu/packages/pdf.scm
	gnu/packages/python-xyz.scm
	gnu/packages/qt.scm
	gnu/packages/ruby.scm
	gnu/packages/shells.scm
	gnu/packages/tex.scm
	gnu/packages/video.scm
	gnu/packages/vulkan.scm
	gnu/packages/web.scm
	gnu/packages/webkit.scm
	gnu/packages/wm.scm

gnu: rust-openssl-sys-0.9: Propagate openssl.

It appears that OpenSSL is expected to be available when building a package
using this library.

* gnu/packages/crates-io.scm (rust-openssl-sys-0.9) [inputs]: Turn into...
[propagated-inputs].

gnu: rust-eyre-0.6: Update to 0.6.8.

* gnu/packages/crates-io.scm (rust-eyre-0.6): Update to 0.6.8.
[arguments]: Remove #:skip-build? argument.  Add rust-pyo3-0.13 to
 #:cargo-inputs.  Add #:cargo-development-inputs.
[native-inputs]: Add python.

gnu: rust-pem-1: Update to 1.1.1.

* gnu/packages/crates-io.scm (rust-pem-1): Update to 1.1.1.
[arguments] Add rust-serde-1 to #:cargo-inputs.
Add rust-serde-json-1 to #:cargo-development-inputs.

gnu: Add rust-base64-0.21.

* gnu/packages/crates-io.scm (rust-base64-0.21): New variable.
(rust-base64-0.13): Inherit from it.

gnu: rust-futures-sink-0.3: Update to 0.3.26.

* gnu/packages/crates-io.scm (rust-futures-sink-0.3): Update to 0.3.26.

gnu: rust-futures-util-0.3: Update to 0.3.26.

* gnu/packages/crates-io.scm (rust-futures-util-0.3): Update to 0.3.26.
[cargo-inputs]: Remove rust-proc-macro-hack-0.5,
rust-proc-macro-nested-0.1.

gnu: rust-futures-test-0.3: Update to 0.3.26.

* gnu/packages/crates-io.scm (rust-futures-test-0.3): Update to 0.3.26.
[arguments]: Skip tests.
[cargo-inputs]: Add rust-futures-macro-0.3, rust-futures-sink-0.3,
rust-pin-project-1. Remove rust-once-cell-1.

gnu: rust-futures-task-0.3: Update to 0.3.26.

* gnu/packages/crates-io.scm (rust-futures-task-0.3): Update to 0.3.26.
[cargo-inputs]: Remove rust-once-cell-1.

gnu: rust-futures-macro-0.3: Update to 0.3.26.

* gnu/packages/crates-io.scm (rust-futures-macro-0.3): Update to 0.3.26.
[cargo-inputs]: Remove rust-proc-macro-hack-0.5.

gnu: rust-futures-io-0.3: Update to 0.3.26.

* gnu/packages/crates-io.scm (rust-futures-io-0.3): Update to 0.3.26.

gnu: rust-futures-executor-0.3: Update to 0.3.26.

* gnu/packages/crates-io.scm (rust-futures-executor-0.3): Update to 0.3.26.

gnu: rust-futures-core-0.3: Update to 0.3.26.

* gnu/packages/crates-io.scm (rust-futures-core-0.3): Update to 0.3.26.
[cargo-inputs]: Add rust-portable-atomic-1.

gnu: rust-futures-channel-0.3: Update to 0.3.26.

* gnu/packages/crates-io.scm (rust-futures-channel-0.3): Update to 0.3.26.

gnu: rust-futures-0.3: Update to 0.3.26.

* gnu/packages/crates-io.scm (rust-futures-0.3): Update to 0.3.26.

gnu: rust-slab-0.4: Update to 0.4.8.

* gnu/packages/crates-io.scm (rust-slab-0.4): Update to 0.4.8.
[cargo-inputs]: Add rust-autocfg-1.
[cargo-development-inputs]: Add rust-serde-1.

gnu: rust-pin-project-internal-1: Update to 1.0.12.

* gnu/packages/crates-io.scm (rust-pin-project-internal-1): Update to
1.0.12.

gnu: rust-pin-project-1: Update to 1.0.12.

* gnu/packages/crates-io.scm (rust-pin-project-1): Update to 1.0.12.
[cargo-development-inputs]: Remove rust-pin-project-auxiliary-macro-0.0.
Add rust-macrotest-1.

gnu: rust-macrotest-1: Update to 1.0.9.

* gnu/packages/crates-io.scm (rust-macrotest-1): Update to 1.0.9.
[cargo-inputs]: Remove rust-rand-0.7. Add rust-prettyplease-0.1,
rust-syn-1.

gnu: Add rust-prettyplease-0.1.

* gnu/packages/crates-io.scm (rust-prettyplease-0.1): New variable.