fix clippy warnings for rust 1.53

[jimexist]

Which issue does this PR close?

fix clippy warnings for rust 1.53

Closes #467

Rationale for this change

fixing lint changes introduced by rust 1.53 so that master branch can be mergeable again

What changes are included in this PR?

• fix assertion links
• ignoring to_* naming convention lint warnings
• prefer .collect than from

Are there any user-facing changes?

no user facing changes

[codecov-commenter]

Codecov Report

Merging #470 (bc16da9) into master (1f1c637) will increase coverage by 0.00%.
The diff coverage is 98.60%.

@@           Coverage Diff           @@
##           master     #470   +/-   ##
=======================================
  Coverage   82.65%   82.66%           
=======================================
  Files         165      165           
  Lines       45563    45550   -13     
=======================================
- Hits        37662    37653    -9     
+ Misses       7901     7897    -4     

Impacted Files	Coverage Δ
parquet/src/encodings/decoding.rs	92.47% <ø> (ø)
parquet/src/arrow/array_reader.rs	77.45% <57.14%> (+0.13%)	⬆️
arrow/src/json/reader.rs	84.02% <97.56%> (+0.11%)	⬆️
arrow/src/array/array_binary.rs	90.13% <100.00%> (ø)
arrow/src/array/array_boolean.rs	90.90% <100.00%> (ø)
arrow/src/array/array_dictionary.rs	84.56% <100.00%> (ø)
arrow/src/array/array_primitive.rs	94.70% <100.00%> (ø)
arrow/src/array/array_struct.rs	88.43% <100.00%> (ø)
arrow/src/array/array_union.rs	86.93% <100.00%> (ø)
arrow/src/array/builder.rs	85.90% <100.00%> (ø)
... and 23 more

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[jorgecarleitao]

LGTM. Thanks a lot for the cleanup 👍

[nevi-me]

Thanks, you beat me to this :)

[alamb]

Thank you @jimexist