feat(cargo-codspeed): support --jobs flag in build command

[GuillaumeLagrange]

No description provided.

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #91 will degrade performances by 7.82%

_{Comparing cod-691-support-j-in-cargo-codspeed-build (250ad31) with main (3cd8045)}

Summary

❌ 7 regressions
✅ 156 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
❌	bench_array1[42]	1 µs	1.1 µs	-5.36%
❌	bench_array2[42]	1 µs	1.1 µs	-5.36%
❌	init_array[42]	1 µs	1.1 µs	-5.36%
❌	mut_borrow	866.7 ns	895.8 ns	-3.26%
❌	recursive[10]	903.3 ns	932.5 ns	-3.13%
❌	instant	343.9 ns	373.1 ns	-7.82%
❌	system_time	345.3 ns	374.4 ns	-7.79%

[not-matthias]

LGTM! 👍

[codspeed-hq]

CodSpeed Walltime Performance Report

Merging #91 will degrade performances by 50.23%

_{Comparing cod-691-support-j-in-cargo-codspeed-build (250ad31) with main (3cd8045)}

Summary

⚡ 13 improvements
❌ 10 regressions
✅ 122 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
❌	build_vec	204 ns	221 ns	-7.69%
⚡	large_drop	207.1 µs	179.4 µs	+15.39%
⚡	from_elem[2048]	251 ns	242 ns	+3.72%
⚡	from_elem_decimal[2048]	260 ns	250 ns	+4%
⚡	bench_array1[10]	5.2 µs	4.9 µs	+4.37%
❌	bench_array1[4]	3.2 µs	3.9 µs	-18.8%
⚡	bench_array2[10]	5.2 µs	4.9 µs	+4.37%
❌	bench_array2[4]	3.2 µs	3.9 µs	-18.8%
⚡	init_array[1000]	3.6 µs	1.7 µs	×2.1
❌	init_array[4]	3.2 µs	3.9 µs	-18.8%
❌	generate_combinations[6]	1.3 µs	2.7 µs	-50.23%
⚡	generate_combinations[9]	4.4 µs	4.2 µs	+3.4%
⚡	generate_parentheses[5]	22.2 µs	20.9 µs	+6.21%
⚡	graph_coloring[3]	2.2 µs	1 µs	×2.2
⚡	graph_coloring[5]	4.3 µs	3.9 µs	+9.21%
⚡	graph_coloring[6]	4.4 µs	4.2 µs	+4.88%
❌	hamiltonian_cycle[4]	4.3 µs	4.5 µs	-4.76%
❌	n_queens_solver[5]	8.9 µs	9.5 µs	-6.45%
❌	add_two_integers[(255, 255)]	3.4 µs	5 µs	-31.85%
❌	add_two_integers[(42, 13)]	3.4 µs	5 µs	-31.61%
...	...	...	...	...

ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.