Merge pull request #399 from recmo/recmo/der #908

Job	Run time
Docs	46s
Cargo deny check	18s
Feature checks	1m 30s
Clippy	46s
Fmt	14s
test (stable, --no-default-features)	1m 31s
test (stable)	1m 36s
test (stable, --all-features)	2m 26s
test (beta, --no-default-features)	1m 37s
test (beta)	1m 34s
test (beta, --all-features)	2m 17s
test (nightly, --no-default-features)	1m 24s
test (nightly)	1m 27s
test (nightly, --all-features)	2m 12s
test (1.65, --no-default-features)	1m 37s
test (1.65)	1m 37s
Accept	1s
	22m 53s

Provide feedback