[INFO] fetching crate rpcx_server 0.2.2...
[INFO] checking rpcx_server-0.2.2 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[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 d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded etcd v0.9.0
[INFO] [stderr]   Downloaded rpcx_protocol v0.2.2
[INFO] [stderr]   Downloaded rpcx_derive v0.2.2
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78aaa2cc48b450bd028c26f7c7a758fd4db48997b78a160c3548ce7e64fe1162
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "78aaa2cc48b450bd028c26f7c7a758fd4db48997b78a160c3548ce7e64fe1162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78aaa2cc48b450bd028c26f7c7a758fd4db48997b78a160c3548ce7e64fe1162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78aaa2cc48b450bd028c26f7c7a758fd4db48997b78a160c3548ce7e64fe1162", kill_on_drop: false }`
[INFO] [stdout] 78aaa2cc48b450bd028c26f7c7a758fd4db48997b78a160c3548ce7e64fe1162
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90bf0c140676db96c4b4b20c72264c34b2992f33e5ed60348f1f3fef1a35a7bd
[INFO] running `Command { std: "docker" "start" "-a" "90bf0c140676db96c4b4b20c72264c34b2992f33e5ed60348f1f3fef1a35a7bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling strum v0.15.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.57
[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] [stdout] warning: unused label
[INFO] [stdout]   --> src/lib.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         'accept_loop: for stream in listener.incoming() {
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/lib.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         'accept_loop: for stream in listener.incoming() {
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 24s
[INFO] running `Command { std: "docker" "inspect" "90bf0c140676db96c4b4b20c72264c34b2992f33e5ed60348f1f3fef1a35a7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90bf0c140676db96c4b4b20c72264c34b2992f33e5ed60348f1f3fef1a35a7bd", kill_on_drop: false }`
[INFO] [stdout] 90bf0c140676db96c4b4b20c72264c34b2992f33e5ed60348f1f3fef1a35a7bd