ci: download cargo-careful instead of building it

[mkroening]

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[github-actions]

Benchmark Results

Details

Benchmark	Current: 35ec8d0	Previous: 9cf195a	Performance Ratio
startup_benchmark Build Time	96.19 s	96.73 s	0.99 ❗
startup_benchmark File Size	0.82 MB	0.82 MB	1.00 ❗
Startup Time - 1 core	0.94 s (±0.03 s)	0.94 s (±0.03 s)	1.00
Startup Time - 2 cores	0.94 s (±0.03 s)	0.95 s (±0.04 s)	0.99
Startup Time - 4 cores	0.96 s (±0.03 s)	0.94 s (±0.03 s)	1.02
multithreaded_benchmark Build Time	98.78 s	96.85 s	1.02 ❗
multithreaded_benchmark File Size	0.96 MB	0.96 MB	1.00 ❗
Multithreaded Pi Efficiency - 2 Threads	86.06 % (±9.23 %)	89.94 % (±8.64 %)	0.96
Multithreaded Pi Efficiency - 4 Threads	43.34 % (±2.82 %)	44.74 % (±2.87 %)	0.97
Multithreaded Pi Efficiency - 8 Threads	24.78 % (±1.93 %)	25.69 % (±1.69 %)	0.96
micro_benchmarks Build Time	105.81 s	105.95 s	1.00 ❗
micro_benchmarks File Size	0.97 MB	0.97 MB	1.00 ❗
Scheduling time - 1 thread	68.44 ticks (±4.23 ticks)	68.64 ticks (±3.42 ticks)	1.00
Scheduling time - 2 threads	39.89 ticks (±4.00 ticks)	37.69 ticks (±4.60 ticks)	1.06
Micro - Time for syscall (getpid)	3.61 ticks (±0.31 ticks)	3.65 ticks (±0.30 ticks)	0.99
Memcpy speed - (built_in) block size 4096	68009.24 MByte/s (±48416.48 MByte/s)	65962.87 MByte/s (±47047.38 MByte/s)	1.03
Memcpy speed - (built_in) block size 1048576	29521.64 MByte/s (±24396.35 MByte/s)	29638.79 MByte/s (±24411.72 MByte/s)	1.00
Memcpy speed - (built_in) block size 16777216	27703.06 MByte/s (±22967.17 MByte/s)	27867.09 MByte/s (±23140.96 MByte/s)	0.99
Memset speed - (built_in) block size 4096	68670.01 MByte/s (±48884.54 MByte/s)	66396.83 MByte/s (±47340.96 MByte/s)	1.03
Memset speed - (built_in) block size 1048576	30285.90 MByte/s (±24825.68 MByte/s)	30430.71 MByte/s (±24862.74 MByte/s)	1.00
Memset speed - (built_in) block size 16777216	28436.17 MByte/s (±23383.30 MByte/s)	28645.56 MByte/s (±23598.25 MByte/s)	0.99
Memcpy speed - (rust) block size 4096	61633.30 MByte/s (±45799.71 MByte/s)	58993.74 MByte/s (±43913.56 MByte/s)	1.04
Memcpy speed - (rust) block size 1048576	29473.83 MByte/s (±24356.88 MByte/s)	29385.74 MByte/s (±24321.51 MByte/s)	1.00
Memcpy speed - (rust) block size 16777216	28136.42 MByte/s (±23356.24 MByte/s)	28058.57 MByte/s (±23316.12 MByte/s)	1.00
Memset speed - (rust) block size 4096	62763.87 MByte/s (±46558.63 MByte/s)	59915.77 MByte/s (±44458.12 MByte/s)	1.05
Memset speed - (rust) block size 1048576	30253.56 MByte/s (±24800.47 MByte/s)	30156.95 MByte/s (±24769.55 MByte/s)	1.00
Memset speed - (rust) block size 16777216	28877.80 MByte/s (±23771.70 MByte/s)	28767.96 MByte/s (±23707.89 MByte/s)	1.00
alloc_benchmarks Build Time	103.46 s	102.65 s	1.01 ❗
alloc_benchmarks File Size	0.89 MB	0.89 MB	1.00 ❗
Allocations - Allocation success	100.00 %	100.00 %	1
Allocations - Deallocation success	100.00 %	100.00 %	1
Allocations - Pre-fail Allocations	100.00 %	100.00 %	1
Allocations - Average Allocation time	9974.44 Ticks (±152.69 Ticks)	9805.49 Ticks (±155.60 Ticks)	1.02
Allocations - Average Allocation time (no fail)	9974.44 Ticks (±152.69 Ticks)	9805.49 Ticks (±155.60 Ticks)	1.02
Allocations - Average Deallocation time	1005.77 Ticks (±768.28 Ticks)	1431.83 Ticks (±505.72 Ticks)	0.70
mutex_benchmark Build Time	103.35 s	105.71 s	0.98 ❗
mutex_benchmark File Size	0.97 MB	0.97 MB	1.00 ❗
Mutex Stress Test Average Time per Iteration - 1 Threads	12.64 ns (±0.66 ns)	12.80 ns (±0.60 ns)	0.99
Mutex Stress Test Average Time per Iteration - 2 Threads	15.02 ns (±0.68 ns)	14.94 ns (±0.81 ns)	1.01

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