[INFO] fetching crate jsonrpc-tcp-server 18.0.0...
[INFO] testing jsonrpc-tcp-server-18.0.0 against beta-2021-08-22 for beta-1.55-2
[INFO] extracting crate jsonrpc-tcp-server 18.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate jsonrpc-tcp-server 18.0.0 on toolchain beta-2021-08-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-tcp-server 18.0.0
[INFO] finished tweaking crates.io crate jsonrpc-tcp-server 18.0.0
[INFO] tweaked toml for crates.io crate jsonrpc-tcp-server 18.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate jsonrpc-tcp-server 18.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonrpc-server-utils v18.0.0
[INFO] [stderr]   Downloaded jsonrpc-core v18.0.0
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cab65df487fab12d7a73abc0b65ac6cf3513062ed73fa35c45bf263f30b378d5
[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" "cab65df487fab12d7a73abc0b65ac6cf3513062ed73fa35c45bf263f30b378d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cab65df487fab12d7a73abc0b65ac6cf3513062ed73fa35c45bf263f30b378d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab65df487fab12d7a73abc0b65ac6cf3513062ed73fa35c45bf263f30b378d5", kill_on_drop: false }`
[INFO] [stdout] cab65df487fab12d7a73abc0b65ac6cf3513062ed73fa35c45bf263f30b378d5
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c885ffffdef2b57af737752192c39f2a698f2799a41ef7aebc25fac187ec3c46
[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" "c885ffffdef2b57af737752192c39f2a698f2799a41ef7aebc25fac187ec3c46", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling jsonrpc-core v18.0.0
[INFO] [stderr]    Compiling jsonrpc-server-utils v18.0.0
[INFO] [stderr]    Compiling jsonrpc-tcp-server v18.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "c885ffffdef2b57af737752192c39f2a698f2799a41ef7aebc25fac187ec3c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c885ffffdef2b57af737752192c39f2a698f2799a41ef7aebc25fac187ec3c46", kill_on_drop: false }`
[INFO] [stdout] c885ffffdef2b57af737752192c39f2a698f2799a41ef7aebc25fac187ec3c46
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 266b080ee2434fc1c11e4d6603d95524ff4ab6c5cc7894d8009de930bb2f6b34
[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" "266b080ee2434fc1c11e4d6603d95524ff4ab6c5cc7894d8009de930bb2f6b34", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling jsonrpc-tcp-server v18.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.10s
[INFO] running `Command { std: "docker" "inspect" "266b080ee2434fc1c11e4d6603d95524ff4ab6c5cc7894d8009de930bb2f6b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266b080ee2434fc1c11e4d6603d95524ff4ab6c5cc7894d8009de930bb2f6b34", kill_on_drop: false }`
[INFO] [stdout] 266b080ee2434fc1c11e4d6603d95524ff4ab6c5cc7894d8009de930bb2f6b34
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc3bbe88ae1758fef6d4afb46efaf0ec6ca5b904545f6f8ba976721b89b1de3a
[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" "bc3bbe88ae1758fef6d4afb46efaf0ec6ca5b904545f6f8ba976721b89b1de3a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsonrpc_tcp_server-9faa3f8a5b21a602)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test server::tests::server_is_send_and_sync ... ok
[INFO] [stdout] test tests::doc_test ... ok
[INFO] [stdout] test tests::peer_meta ... ok
[INFO] [stdout] test tests::disconnect ... ok
[INFO] [stdout] test tests::doc_test_handle ... ok
[INFO] [stdout] test tests::doc_test_connect ... ok
[INFO] [stdout] test tests::message ... ok
[INFO] [stdout] test tests::req_parallel ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jsonrpc-tcp-server
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc3bbe88ae1758fef6d4afb46efaf0ec6ca5b904545f6f8ba976721b89b1de3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3bbe88ae1758fef6d4afb46efaf0ec6ca5b904545f6f8ba976721b89b1de3a", kill_on_drop: false }`
[INFO] [stdout] bc3bbe88ae1758fef6d4afb46efaf0ec6ca5b904545f6f8ba976721b89b1de3a