228     stderr: Option<imp::ChildStderr>,
689             stderr: spawned_child.stderr.map(|inner| ChildStderr { inner }),  in spawn()
920     pub stderr: Option<ChildStderr>,
1132 pub struct ChildStderr {  struct
1133     inner: imp::ChildStderr,  argument
1165 impl AsyncRead for ChildStderr {  implementation
1192 impl TryInto<Stdio> for ChildStderr {  implementation
1204     use super::{ChildStderr, ChildStdin, ChildStdout};
1218     impl AsRawFd for ChildStderr {  implementation
1229     use super::{ChildStderr, ChildStdin, ChildStdout};
1243     impl AsRawHandle for ChildStderr {  implementation