   Compiling thermal_printer_rs v0.1.0 (/mnt/DATA/projects/thermal_printer_rs/rust)
warning: variant `Connect` is never constructed
  --> src/jobs.rs:19:5
   |
15 | pub enum PrintCommand {
   |          ------------ variant in this enum
...
19 |     Connect,
   |     ^^^^^^^
   |
   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default

warning: `thermal_printer_rs` (lib) generated 1 warning
warning: unused import: `TransportKind`
 --> benches/performance_bench.rs:3:49
  |
3 | use thermal_printer_rs::config::{PrinterConfig, TransportKind};
  |                                                 ^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default

warning: `thermal_printer_rs` (bench "performance_bench") generated 1 warning (run `cargo fix --bench "performance_bench" -p thermal_printer_rs` to apply 1 suggestion)
    Finished `bench` profile [optimized] target(s) in 9.23s
     Running benches/performance_bench.rs (target/release/deps/performance_bench-64e38d6a509f8570)
Gnuplot not found, using plotters backend
Benchmarking adapter_build_text_2k
Benchmarking adapter_build_text_2k: Analyzing
adapter_build_text_2k   time:   [4.0411 µs 4.2146 µs 4.2580 µs]
                        change: [-0.6964% +3.9777% +8.8398%] (p = 0.30 > 0.05)
                        No change in performance detected.

Benchmarking adapter_build_receipt_8k
Benchmarking adapter_build_receipt_8k: Analyzing
adapter_build_receipt_8k
                        time:   [95.390 µs 97.032 µs 97.442 µs]
                        change: [-7.0268% -4.1276% -1.1087%] (p = 0.10 > 0.05)
                        No change in performance detected.

Benchmarking service_send_buffer_128k
Benchmarking service_send_buffer_128k: Analyzing
service_send_buffer_128k
                        time:   [182.15 µs 188.30 µs 189.84 µs]
                        change: [+24.858% +30.839% +37.141%] (p = 0.10 > 0.05)
                        No change in performance detected.

Benchmarking service_print_text_2k_pipeline
Benchmarking service_print_text_2k_pipeline: Analyzing
service_print_text_2k_pipeline
                        time:   [27.859 µs 28.095 µs 29.039 µs]
                        change: [-9.2011% -5.7412% -2.1647%] (p = 0.10 > 0.05)
                        No change in performance detected.

