Only enable instant/wasm-bindgen when building for wasm32 architecture

Cargo.toml

@@ -50,7 +50,6 @@ cfg_aliases = "0.1.1"
 
 [dependencies]
 bitflags = "1"
-instant = { version = "0.1", features = ["wasm-bindgen"] }
 log = "0.4"
 mint = { version = "0.5.6", optional = true }
 once_cell = "1.12"
@@ -104,6 +103,7 @@ features = [
 ]
 
 [target.'cfg(all(unix, not(any(target_os = "redox", target_arch = "wasm32", target_os = "android", target_os = "ios", target_os = "macos"))))'.dependencies]
+instant = { version = "0.1" }
 libc = "0.2.64"
 mio = { version = "0.8", features = ["os-ext"], optional = true }
 percent-encoding = { version = "2.0", optional = true }
@@ -114,6 +114,9 @@ wayland-protocols = { version = "0.29.5", features = [ "staging_protocols"], opt
 wayland-commons = { version = "0.29.5", optional = true }
 x11-dl = { version = "2.18.5", optional = true }
 
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+instant = { version = "0.1", features = ["wasm-bindgen"] }
+
 [target.'cfg(target_os = "redox")'.dependencies]
 orbclient = { version = "0.3.42", default-features = false }
 redox_syscall = "0.3"