Add context in name validation errors #2112

Job	Run time
Clippy	1m 0s
Validate external types appearing in public API	56s
Measure coverage	1m 11s
Check cross compilation targets	36s
Cargo Deny	19s
Feature Powerset	1m 10s
MSRV	54s
Verify that no-std modes do not rely on libstd (--no-default-features)	15s
Verify that no-std modes do not rely on libstd (--no-default-features --features alloc)	13s
Cargo Package	1m 1s
Check for documentation errors (stable)	1m 3s
Format	12s
Check for documentation errors (beta)	56s
Check semver compatibility	55s
Check for documentation errors (nightly)	59s
Build+test (--all-features, stable)	1m 13s
Build+test (stable, ubuntu-latest)	49s
Build+test (--features=alloc, stable, ubuntu-latest)	53s
Build+test (--no-default-features, stable, ubuntu-latest)	34s
Build+test (--no-default-features --features alloc,std, stable, ubuntu-latest)	36s
Build+test (--all-features, --release, stable, ubuntu-latest)	1m 54s
Build+test (--all-features, nightly, ubuntu-latest)	1m 8s
Build+test (--all-features, beta, ubuntu-latest)	1m 17s
Build+test (--no-default-features --features alloc,std,aws-lc-rs, stable, macos-latest)	56s
Build+test (--no-default-features --features alloc,std,aws-lc-rs, stable, windows-latest)	2m 51s
Build+test (--no-default-features --features alloc,std,aws-lc-rs, stable, ubuntu-latest)	50s
	24m 41s

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