Change error message

src/error.rs

@@ -53,6 +53,6 @@ pub enum OptionsError<'a> {
     ShellParseError(shell_words::ParseError),
     #[error("Unknown output policy '{0}'. Use './{0}' to output to a file named '{0}'.")]
     UnknownOutputPolicy(String),
-    #[error("File containing stdin data '{0}' does not exist")]
+    #[error("The file '{0}' specified as '--input' does not exist")]
     StdinDataFileDoesNotExist(String),
 }

tests/integration_tests.rs

@@ -231,13 +231,13 @@ fn can_pass_input_to_command_from_a_file() {
 fn fails_if_invalid_stdin_data_file_provided() {
     hyperfine()
         .arg("--runs=1")
-        .arg("--input=example_stdin_data_invalid")
+        .arg("--input=example_non_existent_file.txt")
         .arg("--show-output")
         .arg("cat")
         .assert()
         .failure()
         .stderr(predicate::str::contains(
-            "File containing stdin data 'example_stdin_data_invalid' does not exist",
+            "The file 'example_non_existent_file.txt' specified as '--input' does not exist",
         ));
 }