warning: unnecessary parentheses around closure body
   --> homotopy-core/src/collapse.rs:135:22
    |
135 |         .filter(|&e| (e.target() != keep))
    |                      ^                  ^
    |
    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
help: remove these parentheses
    |
135 -         .filter(|&e| (e.target() != keep))
135 +         .filter(|&e| e.target() != keep)
    |

warning: unnecessary parentheses around closure body
   --> homotopy-core/src/collapse.rs:158:22
    |
158 |         .filter(|&e| (e.source() != keep))
    |                      ^                  ^
    |
help: remove these parentheses
    |
158 -         .filter(|&e| (e.source() != keep))
158 +         .filter(|&e| e.source() != keep)
    |

warning: `homotopy-core` (lib) generated 2 warnings (run `cargo fix --lib -p homotopy-core` to apply 2 suggestions)
   Compiling homotopy-core v0.1.0 (/home/maximus/.env/extern/diagrammatic-semiotics/homotopy-rs/homotopy-core)
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
     Running `target/debug/examples/export_dim456`
=== Building dimension 4, 5, 6 test fixtures ===

lips: dim=4, size=1
padded_4: dim=4, size=2
as_5d: dim=5, size=1
  source dim=4, size=2
as_6d: dim=6, size=1
  source dim=5, size=1

=== Exporting fixtures ===
padded_4: 1076794 bytes
as_5d: 1154944 bytes
as_6d: 1233174 bytes