failures:
---- dot stdout ----
thread 'dot' panicked at 'assertion failed: `(left == right)`
  left: `"digraph {\n    0 [label=\"Record {\\l    a: 1,\\l    b: \\\"abc\\\\\\\\\\\",\\l}\\l\"]\n    0 -> 0 [label=\"(\\l    1,\\l    2,\\l)\\l\"]\n}\n"`,
 right: `"digraph {\n    0 [label=\"Record {\\l    a: 1,\\l    b: \\\"abc\\\\\\\\\\\"\\l}\\l\"]\n    0 -> 0 [label=\"(\\l    1,\\l    2\\l)\\l\"]\n}\n"`', tests/graph.rs:1426:5
note: Run with `RUST_BACKTRACE=1` environment variable to display a backtrace.
failures:
    dot