[INFO] crate rpcx_server 0.2.2 is already in cache
[INFO] checking rpcx_server-0.2.2 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate rpcx_server 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rpcx_server 0.2.2 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rpcx_server 0.2.2
[INFO] finished tweaking crates.io crate rpcx_server 0.2.2
[INFO] tweaked toml for crates.io crate rpcx_server 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] b459262e9f3399d3559e675837a46f0eea4bca02d23a659553df537897c6980a
[INFO] running `"docker" "start" "-a" "b459262e9f3399d3559e675837a46f0eea4bca02d23a659553df537897c6980a"`
[INFO] [stderr]    Compiling strum v0.15.0
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio-threadpool v0.1.17
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking rpcx_protocol v0.2.2
[INFO] [stderr]     Checking etcd v0.9.0
[INFO] [stderr]    Compiling rpcx_derive v0.2.2
[INFO] [stderr]     Checking rpcx_server v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused label
[INFO] [stderr]   --> src/lib.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         'accept_loop: for stream in listener.incoming() {
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]   --> src/lib.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         'accept_loop: for stream in listener.incoming() {
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.03s
[INFO] running `"docker" "inspect" "b459262e9f3399d3559e675837a46f0eea4bca02d23a659553df537897c6980a"`
[INFO] running `"docker" "rm" "-f" "b459262e9f3399d3559e675837a46f0eea4bca02d23a659553df537897c6980a"`
[INFO] [stdout] b459262e9f3399d3559e675837a46f0eea4bca02d23a659553df537897c6980a