upgrade: rust crates (#4679)

1 files changed, 2 insertions, 2 deletions

diff --git a/cli/signal.rs b/cli/signal.rs
index d7e9985b5..6be588b84 100644
--- a/cli/signal.rs
+++ b/cli/signal.rs
@@ -5,13 +5,13 @@ use crate::op_error::OpError;
 pub fn kill(pid: i32, signo: i32) -> Result<(), OpError> {
   use nix::sys::signal::{kill as unix_kill, Signal};
   use nix::unistd::Pid;
-  let sig = Signal::from_c_int(signo)?;
+  use std::convert::TryFrom;
+  let sig = Signal::try_from(signo)?;
   unix_kill(Pid::from_raw(pid), Option::Some(sig)).map_err(OpError::from)
 }
 
 #[cfg(not(unix))]
 pub fn kill(_pid: i32, _signal: i32) -> Result<(), OpError> {
-  // NOOP
   // TODO: implement this for windows
   Ok(())
 }