inhert stderr for recursive process (#485)

Allows for debug logs. The stdout stay piped as its used for
intra-process communication.

Signed-off-by: xermicus <bigcyrill@hotmail.com>

Cargo.toml

@@ -40,7 +40,6 @@ itertools = "0.14"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = { version = "1.0", features = ["arbitrary_precision"] }
 regex = "1.12"
-once_cell = "1.21"
 num = "0.4.3"
 sha1 = "0.10"
 sha3 = "0.10"