fix conditional use

20 jobs for 3639 in 21 minutes and 1 second (queued for 8 seconds)
Name Stage Failure
failed
build-malus Test

Cache location Redis: redis://172.17.0.1/0
Cache size 98 GiB
Max cache size 98 GiB
$ mkdir -p ./artifacts
$ mv ./target/release/malus-dispute-ancestor ./artifacts/.
mv: cannot stat './target/release/malus-dispute-ancestor': No such file or directory
Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
check-transaction-versions Build
2021-08-31 12:30:58 👶 Creating empty BABE epoch changes on what appears to be first startup.    
2021-08-31 12:30:58 🏷 Local node identity is: 12D3KooWRPzVjtkiLuKrH8FYf2Wy6D2Q4mBcriyxn95MgPmHovQ8
2021-08-31 12:30:58 📦 Highest known block at #0
2021-08-31 12:30:58 〽️ Prometheus exporter started at 127.0.0.1:9615
2021-08-31 12:30:58 Listening for new connections on 127.0.0.1:9945.
2021-08-31 12:31:03 💤 Idle (0 peers), best: #0 (0x9170…8589), finalized #0 (0x9170…8589), ⬇ 0 ⬆ 0
[!] Both nodes not listening after 5 seconds. Exiting
Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
test-build-linux-stable Test
test result: FAILED. 2 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.06s

error: test failed, to rerun pass '-p polkadot-service --lib'

real 18m12.859s
user 142m26.041s
sys 8m2.531s
Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
cargo-fmt Test
 	back_garbage_candidate::BackGarbageCandidate, dispute_ancestor::DisputeAncestor,
Diff in /builds/5xzL8dC9/3/parity/polkadot/node/malus/src/variants/mod.rs at line 26:
- suggest_garbage_candidate::SuggestGarbageCandidate,
dispute_unavailable_block::DisputeUnavailable,
+ suggest_garbage_candidate::SuggestGarbageCandidate,
};

Cleaning up file based variables
ERROR: Job failed: command terminated with exit code 1