[INFO] crate actix-mqtt-client 0.4.2 is already in cache
[INFO] checking actix-mqtt-client-0.4.2 against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] extracting crate actix-mqtt-client 0.4.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate actix-mqtt-client 0.4.2 on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate actix-mqtt-client 0.4.2
[INFO] finished tweaking crates.io crate actix-mqtt-client 0.4.2
[INFO] tweaked toml for crates.io crate actix-mqtt-client 0.4.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "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] 68977c96f76c6c4def944a45d73ad2ee719d50b20d24f7c4ff4684068b45cbd7
[INFO] running `"docker" "start" "-a" "68977c96f76c6c4def944a45d73ad2ee719d50b20d24f7c4ff4684068b45cbd7"`
[INFO] [stderr]     Checking mqtt-protocol v0.8.1
[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]     Checking actix v0.9.0
[INFO] [stderr]     Checking actix-mqtt-client v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]  --> src/actors/utils.rs:8:34
[INFO] [stderr]   |
[INFO] [stderr] 8 |     static ref ID: AtomicUsize = { AtomicUsize::new(rand::random()) };
[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 block return value
[INFO] [stderr]  --> src/actors/utils.rs:8:34
[INFO] [stderr]   |
[INFO] [stderr] 8 |     static ref ID: AtomicUsize = { AtomicUsize::new(rand::random()) };
[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 11.64s
[INFO] running `"docker" "inspect" "68977c96f76c6c4def944a45d73ad2ee719d50b20d24f7c4ff4684068b45cbd7"`
[INFO] running `"docker" "rm" "-f" "68977c96f76c6c4def944a45d73ad2ee719d50b20d24f7c4ff4684068b45cbd7"`
[INFO] [stdout] 68977c96f76c6c4def944a45d73ad2ee719d50b20d24f7c4ff4684068b45cbd7