[INFO] crate wamp_async 0.1.0 is already in cache
[INFO] checking wamp_async-0.1.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate wamp_async 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wamp_async 0.1.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate wamp_async 0.1.0
[INFO] finished tweaking crates.io crate wamp_async 0.1.0
[INFO] tweaked toml for crates.io crate wamp_async 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate wamp_async 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 114e18e285cc86c578e98c39555826ed02e0fab81ffb7eab5ab58b371c1a944c
[INFO] running `"docker" "start" "-a" "114e18e285cc86c578e98c39555826ed02e0fab81ffb7eab5ab58b371c1a944c"`
[INFO] [stderr]    Compiling async-trait v0.1.29
[INFO] [stderr]     Checking tokio v0.2.16
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking rmp-serde v0.14.3
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking wamp_async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> examples/rpc_callee.rs:11:44
[INFO] [stderr]    |
[INFO] [stderr] 11 |     static ref RPC_CALL_COUNT: AtomicU64 = { AtomicU64::new(0) };
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.40s
[INFO] running `"docker" "inspect" "114e18e285cc86c578e98c39555826ed02e0fab81ffb7eab5ab58b371c1a944c"`
[INFO] running `"docker" "rm" "-f" "114e18e285cc86c578e98c39555826ed02e0fab81ffb7eab5ab58b371c1a944c"`
[INFO] [stdout] 114e18e285cc86c578e98c39555826ed02e0fab81ffb7eab5ab58b371c1a944c