fix: Left align line numbers

src/renderer/display_list.rs

@@ -292,11 +292,10 @@ impl DisplaySet<'_> {
             } => {
                 let lineno_color = stylesheet.line_no();
                 if anonymized_line_numbers && lineno.is_some() {
-                    let num = format!("{ANONYMIZED_LINE_NUM:>lineno_width$}");
-                    buffer.puts(line_offset, 0, &num, *lineno_color);
+                    buffer.puts(line_offset, 0, ANONYMIZED_LINE_NUM, *lineno_color);
                 } else {
                     if let Some(n) = lineno {
-                        let num = format!("{n:>lineno_width$}");
+                        let num = format!("{n}");
                         buffer.puts(line_offset, 0, &num, *lineno_color);
                     }
                 }

tests/formatter.rs

@@ -149,7 +149,7 @@ error
      |
     ::: file2.rs
      |
-   2 | This is slice 2
+2    | This is slice 2
 "#]];
     let renderer = Renderer::plain();
     assert_data_eq!(renderer.render(input).to_string(), expected);

tests/rustc_tests.rs

@@ -686,13 +686,13 @@ fn foo() {
 error: foo
   --> test.rs:3:6
    |
- 3 |      X0 Y0 Z0
+3  |      X0 Y0 Z0
    |  _______^
- 4 | |    X1 Y1 Z1
+4  | |    X1 Y1 Z1
    | | ____^____-
    | ||____|
    |  |    `X` is a good letter
- 5 |  | 1
+5  |  | 1
 ...   |
 15 |  |   X2 Y2 Z2
 16 |  |   X3 Y3 Z3
@@ -738,15 +738,15 @@ fn foo() {
 error: foo
   --> test.rs:3:6
    |
- 3 |      X0 Y0 Z0
+3  |      X0 Y0 Z0
    |  _______^
- 4 | |  1
- 5 | |  2
- 6 | |  3
- 7 | |    X1 Y1 Z1
+4  | |  1
+5  | |  2
+6  | |  3
+7  | |    X1 Y1 Z1
    | | _________-
- 8 | || 4
- 9 | || 5
+8  | || 4
+9  | || 5
 10 | || 6
 11 | ||   X2 Y2 Z2
    | ||__________- `Z` is a good letter too