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proc-macro-error3
v3.0.2 ExperimentalAlmost drop-in replacement to panics in proc-macros
MIT OR Apache-2.0 Edition 2021 MSRV 1.61
Quick Verdict
- ✓Actively maintained (updated 34d ago)
- ✓Permissive license (MIT OR Apache-2.0)
Security
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Downloads
137.1K
Dependents
17
Releases
3
Size
36KB
Deep Insights
📈
Strong growth momentum
131.9K downloads in the last 30 days (4.4K/day), up 2229% from the previous period.
📐
Compact crate
At 35KB, proc-macro-error3 is lightweight. Small crate size correlates with focused, well-scoped functionality.
🌟
Used by top crates
Notable dependents include validator_derive, include-flate-codegen, typescript-type-def-derive, impl-tools-lib, impl-tools. When high-quality crates choose proc-macro-error3, it's a strong quality signal.
Health Breakdown
Maintenance 12/25
Recency, release consistency, active ratio
Quality 18/25
Yanked ratio, deps, size, maturity, features
Community 8/20
Reverse deps, ownership, ecosystem
Popularity 6/15
Downloads, momentum, growth trend
Documentation 12/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
2K/day avg
Top Dependents
Most downloaded crates that depend on proc-macro-error3
validator_derive
51.6M dl 64
include-flate-codegen 3.2M dl 54
typescript-type-def-derive 1.1M dl 60
impl-tools-lib 1.1M dl 58
impl-tools 1.1M dl 66
avian_derive 348.7K dl 51
gungraun-macros 305.3K dl 59
workflow-core-macros 182.3K dl 55
workflow-wasm-macros 173.3K dl 55
workflow-task-macros 146.4K dl 53
Version Adoption
v3.0.2
96%
v3.0.1
4%
v3.0.0
0%
Release Timeline
3 releasessince 2026
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LessMore
Feature Flags
default =["syn-error"]
nightlysyn-error*__ui_tests
README
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Maintainers
Dependencies
6
direct dependencies
Dependents
17
crates depend on proc-macro-error3