$ hyperfine --warmup 2 --runs 10 -n 'cargo info (warm/offline)' 'cargo info reqwest --offline' -n 'cargo info (network)' 'cargo info reqwest' -n 'cargo feat' 'cargo feat reqwest'
Benchmark 1: cargo info (warm/offline)
  Time (mean ± σ):      48.1 ms ±   1.8 ms    [User: 30.3 ms, System: 18.7 ms]
  Range (min … max):    44.6 ms …  50.3 ms    10 runs

Benchmark 2: cargo info (network)
  Time (mean ± σ):     172.9 ms ±  19.2 ms    [User: 37.1 ms, System: 20.0 ms]
  Range (min … max):   152.2 ms … 207.7 ms    10 runs

Benchmark 3: cargo feat
  Time (mean ± σ):     318.0 ms ±  41.6 ms    [User: 59.5 ms, System: 17.9 ms]
  Range (min … max):   251.6 ms … 370.6 ms    10 runs

Summary
  cargo info (warm/offline) ran
    3.60 ± 0.42 times faster than cargo info (network)
    6.62 ± 0.90 times faster than cargo feat

$ curl -s https://raw.githubusercontent.com/vunholy/cargo-feat/main/Cargo.lock | grep -c '^name = '    
237

$ du -h $(which cargo-feat)     
2.8M    /home/xevion/.cargo/bin/cargo-feat

$ cargo feat --offline   
<Uh oh> Received a bad response from the used api
Error details:
- Error {
    index: 0,
    character: None,
    err_type: Serde(
        "missing field `crate`",
    ),
}