Pass test locally, but `feacalc` is extermely slow in compiling

[coveralls]

Pull Request Test Coverage Report for Build 3299030826

• 9 of 9 (100.0%) changed or added relevant lines in 1 file are covered.
• 42 unchanged lines in 3 files lost coverage.
• Overall coverage increased (+3.4%) to 42.742%

---

Files with Coverage Reduction	New Missed Lines	%
src/mfccs.jl	7	52.59%
src/rasta.jl	16	36.15%
src/feacalc.jl	19	27.73%
<!--	Total:	42		-->

Totals
Change from base Build 3298504843:	3.4%
Covered Lines:	212
Relevant Lines:	496

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 3299030826

• 9 of 9 (100.0%) changed or added relevant lines in 1 file are covered.
• 42 unchanged lines in 3 files lost coverage.
• Overall coverage increased (+3.4%) to 42.742%

---

Files with Coverage Reduction	New Missed Lines	%
src/mfccs.jl	7	52.59%
src/rasta.jl	16	36.15%
src/feacalc.jl	19	27.73%
<!--	Total:	42		-->

Totals
Change from base Build 3298504843:	3.4%
Covered Lines:	212
Relevant Lines:	496

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 3299030826

• 7 of 7 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+3.3%) to 42.619%

---

Totals
Change from base Build 3298504843:	3.3%
Covered Lines:	179
Relevant Lines:	420

---

💛 - Coveralls