Remove force soft for no_std, works in release mode

Author: arjunr2

crates/environ/Cargo.toml

@@ -37,9 +37,7 @@ wasmprinter = { workspace = true, optional = true }
 wasmtime-component-util = { workspace = true, optional = true }
 semver = { workspace = true, optional = true, features = ['serde'] }
 smallvec = { workspace = true, features = ['serde'] }
-# NB: LLVM unable to compile sha2 with 'asm' in 'no_std' as of Rustc/Cargo version 1.91.1.
-# Currently uses 'force-soft' in 'no_std', but remove if fixed.
-sha2 = { version = "0.10.2", default-features = false, features = ['force-soft'] }
+sha2 = { version = "0.10.2", default-features = false }
 
 [dev-dependencies]
 clap = { workspace = true, features = ['default'] }

crates/rr/Cargo.toml

@@ -24,5 +24,4 @@ log = { workspace = true }
 cfg-if = { workspace = true }
 
 [features]
-default = ["std"]
 std = ["postcard/use-std", "wasmtime-environ/std"]

crates/wasmtime/Cargo.toml

@@ -347,6 +347,7 @@ std = [
   "dep:rustix",
   "wasmtime-jit-icache-coherence",
   "wasmtime-jit-debug?/std",
+  "wasmtime-rr?/std"
 ]
 
 # Enables support for the `Store::call_hook` API which enables injecting custom