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actix/actix

Actor framework for Rust. · Rust · 50 source files

Analyzed at 36e5d97e41 on 2026-09-11. 16 documented errors.

Code / Message	Type	Severity	Tags
Mocker actor used before set	panic	critical	actix, testing, mock, actor, panic
wrong return type for message	panic	error	actix, mocker, test, downcast, panic
Message type should always be M	panic	error	actix-broker, panic, downcast, type-mismatch, invariant
cannot clone `Sender` -- too many outstanding senders	panic	error	actix, actor, channel, sender, concurrency
TimerFunc polled after finish	panic	error	rust, actix, actor-future, panic, future-polling
Actor already started	panic	error	actix, actor-registry, panic, duplicate-registration
Got unknown value	panic	error	actix, actor-registry, panic, downcast, invariant
failed to write frame to transport	exception	error	actix, io, write-zero, transport, async
Map must not be polled after it returned `Poll::Ready`	panic	error	actix, actor-future, poll, futures, panic
ActorFuture polled after finish	panic	error	actix, actor-future, poll, then, panic
Expected an attribute	validation	error	rust, proc-macro, actix-derive, missing-attribute, compile-time
Fold polled after completion	panic	error	actix, actor-stream, fold, poll, panic
failed to spawn thread	panic	error	actix, sync-actor, thread, resource-exhaustion
#[ (type)] takes 1 parameters, given	validation	error	rust, proc-macro, actix-derive, attribute, compile-time
MapErr must not be polled after it returned `Poll::Ready`	panic	error	actix, try-future, map-err, poll, panic
MapOk must not be polled after it returned `Poll::Ready`	panic	error	actix, try-future, map-ok, poll, panic