[INFO] fetching crate rpcx_server 0.3.0...
[INFO] testing rpcx_server-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rpcx_server 0.3.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate rpcx_server 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rpcx_server 0.3.0
[INFO] finished tweaking crates.io crate rpcx_server 0.3.0
[INFO] tweaked toml for crates.io crate rpcx_server 0.3.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rpcx_derive v0.3.0
[INFO] [stderr]   Downloaded rmp-serde v0.15.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64e4d11bb3c2cb6dd60c0d27c13152692abf4ee933a4fec0e7e1c02e81a126aa
[INFO] running `Command { std: "docker" "start" "-a" "64e4d11bb3c2cb6dd60c0d27c13152692abf4ee933a4fec0e7e1c02e81a126aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64e4d11bb3c2cb6dd60c0d27c13152692abf4ee933a4fec0e7e1c02e81a126aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e4d11bb3c2cb6dd60c0d27c13152692abf4ee933a4fec0e7e1c02e81a126aa", kill_on_drop: false }`
[INFO] [stdout] 64e4d11bb3c2cb6dd60c0d27c13152692abf4ee933a4fec0e7e1c02e81a126aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 923296e07fb669862498f2a6ff87d6d8f80e2e00c32b4fe494cfb4659e9dcf29
[INFO] running `Command { std: "docker" "start" "-a" "923296e07fb669862498f2a6ff87d6d8f80e2e00c32b4fe494cfb4659e9dcf29", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling rmp-serde v0.15.5
[INFO] [stderr]    Compiling rpcx_protocol v0.3.0
[INFO] [stderr]    Compiling rpcx_derive v0.3.0
[INFO] [stderr]    Compiling rpcx_server v0.3.0 (/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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.52s
[INFO] running `Command { std: "docker" "inspect" "923296e07fb669862498f2a6ff87d6d8f80e2e00c32b4fe494cfb4659e9dcf29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "923296e07fb669862498f2a6ff87d6d8f80e2e00c32b4fe494cfb4659e9dcf29", kill_on_drop: false }`
[INFO] [stdout] 923296e07fb669862498f2a6ff87d6d8f80e2e00c32b4fe494cfb4659e9dcf29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8ad1cf2501b6bdc258d9eb67eab1bb106788f94d9737e787b48298886024557
[INFO] running `Command { std: "docker" "start" "-a" "f8ad1cf2501b6bdc258d9eb67eab1bb106788f94d9737e787b48298886024557", kill_on_drop: false }`
[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] [stderr]    Compiling rpcx_server v0.3.0 (/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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "f8ad1cf2501b6bdc258d9eb67eab1bb106788f94d9737e787b48298886024557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ad1cf2501b6bdc258d9eb67eab1bb106788f94d9737e787b48298886024557", kill_on_drop: false }`
[INFO] [stdout] f8ad1cf2501b6bdc258d9eb67eab1bb106788f94d9737e787b48298886024557
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c871f6c4480873612207aeaeaab440e0c83f1626361e39aaeb349eb9ab4cb1b9
[INFO] running `Command { std: "docker" "start" "-a" "c871f6c4480873612207aeaeaab440e0c83f1626361e39aaeb349eb9ab4cb1b9", kill_on_drop: false }`
[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: `rpcx_server` (lib) generated 1 warning
[INFO] [stderr] warning: `rpcx_server` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rpcx_server-4d4a0f6accc156e7)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rpcx_server
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c871f6c4480873612207aeaeaab440e0c83f1626361e39aaeb349eb9ab4cb1b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c871f6c4480873612207aeaeaab440e0c83f1626361e39aaeb349eb9ab4cb1b9", kill_on_drop: false }`
[INFO] [stdout] c871f6c4480873612207aeaeaab440e0c83f1626361e39aaeb349eb9ab4cb1b9