Add context in name validation errors #2043

Job	Run time
Format	6s
Clippy	26s
Validate external types appearing in public API	58s
Measure coverage	53s
Check cross compilation targets	34s
Cargo Deny	5s
Feature Powerset	36s
MSRV	33s
Verify that no-std modes do not rely on libstd (--no-default-features)	6s
Cargo Package	22s
Verify that no-std modes do not rely on libstd (--no-default-features --features alloc)	7s
Check for documentation errors (stable)	25s
Check for documentation errors (beta)	32s
Check for documentation errors (nightly)	32s
Check semver compatibility	26s
Build+test (--all-features, stable)	44s
Build+test (stable, ubuntu-latest)	40s
Build+test (--features=alloc, stable, ubuntu-latest)	47s
Build+test (--no-default-features, stable, ubuntu-latest)	27s
Build+test (--no-default-features --features alloc,std, stable, ubuntu-latest)	27s
Build+test (--all-features, --release, stable, ubuntu-latest)	1m 16s
Build+test (--all-features, nightly, ubuntu-latest)	50s
Build+test (--all-features, beta, ubuntu-latest)	52s
Build+test (--no-default-features --features alloc,std,aws_lc_rs, stable, macos-latest)	49s
Build+test (--no-default-features --features alloc,std,aws_lc_rs, stable, windows-latest)	3m 15s
Build+test (--no-default-features --features alloc,std,aws_lc_rs, stable, ubuntu-latest)	52s
	17m 40s

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