use IdDict{MethodInstance} instead of Dict{MethodInstance} (#534)
#1173
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| 4m 1s | |
| 2m 14s | |
| 4m 4s | |
| 5m 2s | |
| 2m 45s | |
| 3m 7s | |
| 4m 33s | |
| 2m 45s | |
| 31m 33s |