deps: remove async-std dep

We were only using block_on from it, which we can call from the
underlying async_io crate.

Notably, removing async_std from the deps avoids async-global-executor
being pulled in and spawning nproc threads that are never used by
wezterm.

Cargo.lock

@@ -132,33 +132,18 @@ dependencies = [
  "futures-lite",
 ]
 
-[[package]]
-name = "async-global-executor"
-version = "2.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0da5b41ee986eed3f524c380e6d64965aea573882a8907682ad100f7859305ca"
-dependencies = [
- "async-channel",
- "async-executor",
- "async-io",
- "async-lock",
- "blocking",
- "futures-lite",
- "once_cell",
-]
-
 [[package]]
 name = "async-io"
-version = "1.9.0"
+version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83e21f3a490c72b3b0cf44962180e60045de2925d8dff97918f7ee43c8f637c7"
+checksum = "e8121296a9f05be7f34aa4196b1747243b3b62e048bb7906f644f3fbfc490cf7"
 dependencies = [
+ "async-lock",
  "autocfg",
  "concurrent-queue",
  "futures-lite",
  "libc",
  "log",
- "once_cell",
  "parking",
  "polling",
  "slab",
@@ -169,11 +154,12 @@ dependencies = [
 
 [[package]]
 name = "async-lock"
-version = "2.5.0"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e97a171d191782fba31bb902b14ad94e24a68145032b7eedf871ab0bc0d077b6"
+checksum = "c8101efe8695a6c17e02911402145357e718ac92d3ff88ae8419e84b1707b685"
 dependencies = [
  "event-listener",
+ "futures-lite",
 ]
 
 [[package]]
@@ -217,32 +203,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "async-std"
-version = "1.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62565bb4402e926b29953c785397c6dc0391b7b446e45008b0049eb43cec6f5d"
-dependencies = [
- "async-channel",
- "async-global-executor",
- "async-io",
- "async-lock",
- "crossbeam-utils",
- "futures-channel",
- "futures-core",
- "futures-io",
- "futures-lite",
- "gloo-timers",
- "kv-log-macro",
- "log",
- "memchr",
- "once_cell",
- "pin-project-lite",
- "pin-utils",
- "slab",
- "wasm-bindgen-futures",
-]
-
 [[package]]
 name = "async-task"
 version = "4.3.0"
@@ -979,16 +939,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "ctor"
-version = "0.1.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d2301688392eb071b0bf1a37be05c469d3cc4dbbd95df672fe28ab021e6a096"
-dependencies = [
- "quote",
- "syn",
-]
-
 [[package]]
 name = "cty"
 version = "0.2.2"
@@ -1790,18 +1740,6 @@ dependencies = [
  "walkdir",
 ]
 
-[[package]]
-name = "gloo-timers"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fb7d06c1c8cc2a29bee7ec961009a0b2caa0793ee4900c2ffb348734ba1c8f9"
-dependencies = [
- "futures-channel",
- "futures-core",
- "js-sys",
- "wasm-bindgen",
-]
-
 [[package]]
 name = "governor"
 version = "0.4.2"
@@ -2264,15 +2202,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "kv-log-macro"
-version = "1.0.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0de8b303297635ad57c9f5059fd9cee7a47f8e8daa09df0fcd07dd39fb22977f"
-dependencies = [
- "log",
-]
-
 [[package]]
 name = "lab"
 version = "0.11.0"
@@ -2469,7 +2398,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
 dependencies = [
  "cfg-if 1.0.0",
- "value-bag",
 ]
 
 [[package]]
@@ -3617,7 +3545,7 @@ version = "0.2.0"
 dependencies = [
  "anyhow",
  "async-executor",
- "async-std",
+ "async-io",
  "async-task",
  "flume",
  "lazy_static",
@@ -5166,16 +5094,6 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "936e4b492acfd135421d8dca4b1aa80a7bfc26e702ef3af710e0752684df5372"
 
-[[package]]
-name = "value-bag"
-version = "1.0.0-alpha.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2209b78d1249f7e6f3293657c9779fe31ced465df091bbd433a1cf88e916ec55"
-dependencies = [
- "ctor",
- "version_check",
-]
-
 [[package]]
 name = "varbincode"
 version = "0.1.0"
@@ -5816,7 +5734,7 @@ dependencies = [
 name = "wezterm-toast-notification"
 version = "0.1.0"
 dependencies = [
- "async-std",
+ "async-io",
  "cocoa",
  "core-foundation 0.7.0",
  "futures-util",

promise/Cargo.toml

@@ -6,8 +6,8 @@ edition = "2018"
 
 [dependencies]
 async-task = "4.0"
-async-std = "1.4"
 async-executor = "1.4"
+async-io = "1.10"
 anyhow = "1.0"
 thiserror = "1.0"
 lazy_static = "1.4"

promise/src/spawn.rs

@@ -185,7 +185,7 @@ where
 }
 
 /// Block the current thread until the passed future completes.
-pub use async_std::task::block_on;
+pub use async_io::block_on;
 
 pub struct SimpleExecutor {
     rx: Receiver<SpawnFunc>,

wezterm-toast-notification/Cargo.toml

@@ -15,7 +15,7 @@ log = "0.4"
 serde = {version="1.0", features = ["derive"]}
 zbus = "3.0"
 zvariant = "3.6"
-async-std = "1.4"
+async-io = "1.10"
 futures-util = "0.3"
 
 [target.'cfg(target_os="macos")'.dependencies]

wezterm-toast-notification/src/dbus.rs

@@ -157,7 +157,7 @@ pub fn show_notif(notif: ToastNotification) -> Result<(), Box<dyn std::error::Er
     // Run this in a separate thread as we don't know if dbus or the notification
     // service on the other end are up, and we'd otherwise block for some time.
     std::thread::spawn(move || {
-        let res = async_std::task::block_on(async move { show_notif_impl(notif).await });
+        let res = async_io::block_on(async move { show_notif_impl(notif).await });
         if let Err(err) = res {
             log::error!("while showing notification: {:#}", err);
         }