Update to rust 1.44.0 (#10585)

* Update rust 1.44.0

* Update rust nightly 1.46.0

* Update docs

* Fix clippy errors

* Compile all source code with stable and nightly

* Add another note

* script tweaks

* Fix a test...

* Add another workaround

* Add hack

* Increase timeout...

* Revert "Add hack"

This reverts commit 5960f087203be8792ec0728a6755288c317a2788.

* Revert "Add another workaround"

This reverts commit e14300d01ffd1b8e86e676662177545549b45c13.

* Require nightly rustfmt and use older nightly a bit

* Improve document a bit

* Revert now not-existing clippy check...

ci/docker-run.sh

@@ -60,6 +60,12 @@ if [[ -z "$SOLANA_DOCKER_RUN_NOSETUID" ]]; then
   ARGS+=(--user "$(id -u):$(id -g)")
 fi
 
+if [[ -n $SOLANA_ALLOCATE_TTY ]]; then
+  # Colored output, progress bar and Ctrl-C:
+  # https://stackoverflow.com/a/41099052/10242004
+  ARGS+=(--interactive --tty)
+fi
+
 # Environment variables to propagate into the container
 ARGS+=(
   --env BUILDKITE