Remove sigsegv tests from code coverage

Author: stouset

src/boxed.rs

@@ -700,12 +700,14 @@ mod tests {
 #[cfg(test)]
 mod tests_sigsegv {
     use super::*;
-    use std::process;
 
+    #[cfg(not(tarpaulin))]
     fn assert_sigsegv<F>(f: F)
     where
         F: FnOnce(),
     {
+        use std::process;
+
         unsafe {
             let pid      : libc::pid_t = libc::fork();
             let mut stat : libc::c_int = 0;
@@ -733,6 +735,10 @@ mod tests_sigsegv {
         }
     }
 
+    #[cfg(tarpaulin)]
+    fn assert_sigsegv<F>(_f: F) where F: FnOnce() {
+    }
+
     #[test]
     fn it_kills_attempts_to_read_while_locked() {
         assert_sigsegv(|| {