fix: parsing walltime results in cargo codspeed breaks backwards #101

Performance Regression: -24.48%

⚡ 5 improvements
❌ 11 regressions
✅ 151 untouched benchmarks

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

	Benchmark	`BASE`	`HEAD`	Change
❌	`sleep_100ms`	536.9 ns	566.1 ns	-5.15%
❌	`sleep_10ms`	536.9 ns	566.1 ns	-5.15%
❌	`sleep_1ms`	536.9 ns	566.1 ns	-5.15%
⚡	`bench_array1[10]`	225 ns	195.8 ns	+14.89%
❌	`bench_array1[1]`	90 ns	119.2 ns	-24.48%
⚡	`bench_array2[10]`	225 ns	195.8 ns	+14.89%
❌	`bench_array2[1]`	90 ns	119.2 ns	-24.48%
⚡	`mut_borrow`	925 ns	895.8 ns	+3.26%
⚡	`recursive_memoized[HashMap<u64, u64>, 0]`	834.7 ns	805.6 ns	+3.62%
❌	`find_highest_set_bit[0]`	90.8 ns	120 ns	-24.31%
❌	`find_highest_set_bit[1024]`	90.8 ns	120 ns	-24.31%
❌	`find_highest_set_bit[255]`	90.8 ns	120 ns	-24.31%
❌	`find_highest_set_bit[42]`	90.8 ns	120 ns	-24.31%
❌	`find_highest_set_bit[65535]`	90.8 ns	120 ns	-24.31%
❌	`sleep_100ns`	536.9 ns	566.1 ns	-5.15%
⚡	`sleep_1ns`	566.1 ns	536.9 ns	+5.43%