rust-chg: exclude futures-dependent modules from build and break things

It's impractical to upgrade the codebase incrementally since futures 0.1
and 0.3 APIs are fundamentally different. So this patch temporarily excludes
futures-dependent modules from the build. These modules will be upgraded
and re-enabled one by one.

Differential Revision: https://phab.mercurial-scm.org/D8440

rust/chg/Cargo.toml

@@ -6,6 +6,9 description = "Client for Mercurial comm
 license = "GPL-2.0+"
 edition = "2018"
 
+# TODO: enable auto discovery
+autobins = false
+
 [dependencies]
 bytes = "0.4"
 futures = "0.1"

rust/chg/src/lib.rs

@@ -3,13 +3,13
 // This software may be used and distributed according to the terms of the
 // GNU General Public License version 2 or any later version.
 
-mod attachio;
-mod clientext;
-pub mod locator;
+//mod attachio;
+//mod clientext;
+//pub mod locator;
 pub mod message;
 pub mod procutil;
-mod runcommand;
-mod uihandler;
+//mod runcommand;
+//mod uihandler;
 
-pub use clientext::ChgClientExt;
-pub use uihandler::{ChgUiHandler, SystemHandler};
+//pub use clientext::ChgClientExt;
+//pub use uihandler::{ChgUiHandler, SystemHandler};