proc-macro-error's maintainer seems to be unreachable, with no commits for 2 years, no releases pushed for 4 years, and no activity on the GitLab repo or response to email.
proc-macro-error also depends on syn 1.x, which may be bringing duplicate dependencies into dependant build trees.
Possible Alternative(s)
proc-macro-error1.0.4proc-macro-error's maintainer seems to be unreachable, with no commits for 2 years, no releases pushed for 4 years, and no activity on the GitLab repo or response to email.
proc-macro-error also depends on
syn 1.x, which may be bringing duplicate dependencies into dependant build trees.Possible Alternative(s)