[INFO] crate libp2p-gossipsub 0.18.0 is already in cache
[INFO] checking libp2p-gossipsub-0.18.0 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate libp2p-gossipsub 0.18.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate libp2p-gossipsub 0.18.0 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libp2p-gossipsub 0.18.0
[INFO] finished tweaking crates.io crate libp2p-gossipsub 0.18.0
[INFO] tweaked toml for crates.io crate libp2p-gossipsub 0.18.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a4fcb8b399d8c3c711d13ec617214ee1ad1d81950b7d1c2c4d1f29953e30611
[INFO] running `"docker" "start" "-a" "5a4fcb8b399d8c3c711d13ec617214ee1ad1d81950b7d1c2c4d1f29953e30611"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking kv-log-macro v1.0.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]    Compiling libp2p-core v0.18.0
[INFO] [stderr]    Compiling libp2p-gossipsub v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libp2p-plaintext v0.18.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking futures_codec v0.3.4
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking yamux v0.4.5
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking multihash v0.10.1
[INFO] [stderr]     Checking multistream-select v0.8.0
[INFO] [stderr]     Checking parity-multiaddr v0.8.0
[INFO] [stderr]     Checking libp2p-swarm v0.18.1
[INFO] [stderr]     Checking libp2p-yamux v0.18.0
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/behaviour/tests.rs:574:74
[INFO] [stderr]     |
[INFO] [stderr] 574 |             Gossipsub::get_random_peers(&gs.topic_peers, &topic_hash, 5, { |_| true });
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/behaviour/tests.rs:577:75
[INFO] [stderr]     |
[INFO] [stderr] 577 |             Gossipsub::get_random_peers(&gs.topic_peers, &topic_hash, 30, { |_| true });
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/behaviour/tests.rs:581:75
[INFO] [stderr]     |
[INFO] [stderr] 581 |             Gossipsub::get_random_peers(&gs.topic_peers, &topic_hash, 20, { |_| true });
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/behaviour/tests.rs:585:74
[INFO] [stderr]     |
[INFO] [stderr] 585 |             Gossipsub::get_random_peers(&gs.topic_peers, &topic_hash, 0, { |_| true });
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/behaviour/tests.rs:589:74
[INFO] [stderr]     |
[INFO] [stderr] 589 |             Gossipsub::get_random_peers(&gs.topic_peers, &topic_hash, 5, { |_| false });
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/behaviour.rs:366:17
[INFO] [stderr]     |
[INFO] [stderr] 366 |                 { |_| true },
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/behaviour.rs:366:17
[INFO] [stderr]     |
[INFO] [stderr] 366 |                 { |_| true },
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.91s
[INFO] running `"docker" "inspect" "5a4fcb8b399d8c3c711d13ec617214ee1ad1d81950b7d1c2c4d1f29953e30611"`
[INFO] running `"docker" "rm" "-f" "5a4fcb8b399d8c3c711d13ec617214ee1ad1d81950b7d1c2c4d1f29953e30611"`
[INFO] [stdout] 5a4fcb8b399d8c3c711d13ec617214ee1ad1d81950b7d1c2c4d1f29953e30611