Nightly clippy 0.1.68 (d0dc9ef 2022-12-18)

[CAGS295]

Description of proposed changes:

Some clippy fixes from nightly.

[atodorov]

Maybe modify ci/env as well? Otherwise we're using nightly-2022-09-01 in CI.

[codecov-commenter]

Codecov Report

Merging #827 (72774af) into dev (0ebfe3e) will decrease coverage by 0.00%.
The diff coverage is 85.13%.

@@            Coverage Diff             @@
##              dev     #827      +/-   ##
==========================================
- Coverage   78.24%   78.24%   -0.01%     
==========================================
  Files          51       51              
  Lines       10317    10371      +54     
==========================================
+ Hits         8073     8115      +42     
- Misses       2244     2256      +12     

Impacted Files	Coverage Δ
node/src/benchmarking.rs	0.00% <0.00%> (ø)
node/src/chain_spec.rs	0.00% <0.00%> (ø)
node/src/cli.rs	35.71% <0.00%> (+1.16%)	⬆️
node/src/service.rs	0.00% <0.00%> (ø)
pallets/creditcoin/src/ocw/tasks.rs	100.00% <ø> (ø)
sha3pow/src/lib.rs	94.38% <0.00%> (ø)
pallets/creditcoin/src/ocw/rpc.rs	82.38% <50.00%> (ø)
pallets/creditcoin/src/ocw/tasks/collect_coins.rs	98.95% <50.00%> (+<0.01%)	⬆️
node/rpc/src/task.rs	82.60% <100.00%> (+0.38%)	⬆️
pallets/creditcoin/src/helpers.rs	100.00% <100.00%> (ø)
... and 31 more

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[github-actions]

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