Add context in name validation errors #2116

Job	Run time
Validate external types appearing in public API	1m 6s
Clippy	1m 3s
Measure coverage	1m 11s
Check cross compilation targets	44s
Cargo Deny	18s
Feature Powerset	1m 8s
MSRV	54s
Verify that no-std modes do not rely on libstd (--no-default-features)	13s
Verify that no-std modes do not rely on libstd (--no-default-features --features alloc)	14s
Cargo Package	56s
Format	12s
Check for documentation errors (stable)	57s
Check semver compatibility	1m 1s
Check for documentation errors (beta)	58s
Check for documentation errors (nightly)	54s
Build+test (--all-features, stable)	1m 13s
Build+test (stable, ubuntu-latest)	48s
Build+test (--features=alloc, stable, ubuntu-latest)	49s
Build+test (--no-default-features, stable, ubuntu-latest)	33s
Build+test (--no-default-features --features alloc,std, stable, ubuntu-latest)	36s
Build+test (--all-features, --release, stable, ubuntu-latest)	1m 58s
Build+test (--all-features, nightly, ubuntu-latest)	1m 11s
Build+test (--all-features, beta, ubuntu-latest)	1m 15s
Build+test (--no-default-features --features alloc,std,aws-lc-rs, stable, macos-latest)	58s
Build+test (--no-default-features --features alloc,std,aws-lc-rs, stable, windows-latest)	3m 31s
Build+test (--no-default-features --features alloc,std,aws-lc-rs, stable, ubuntu-latest)	50s
	25m 31s

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