[INFO] fetching crate ws_stream_endpoint 0.1.0...
[INFO] testing ws_stream_endpoint-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ws_stream_endpoint 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ws_stream_endpoint 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ws_stream_endpoint 0.1.0
[INFO] finished tweaking crates.io crate ws_stream_endpoint 0.1.0
[INFO] tweaked toml for crates.io crate ws_stream_endpoint 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3562fc6355cf893cf9b65f6388c6ec0bcc96d6810cef18d914a2f806ca0f23e5
[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" "3562fc6355cf893cf9b65f6388c6ec0bcc96d6810cef18d914a2f806ca0f23e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3562fc6355cf893cf9b65f6388c6ec0bcc96d6810cef18d914a2f806ca0f23e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3562fc6355cf893cf9b65f6388c6ec0bcc96d6810cef18d914a2f806ca0f23e5", kill_on_drop: false }`
[INFO] [stdout] 3562fc6355cf893cf9b65f6388c6ec0bcc96d6810cef18d914a2f806ca0f23e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72e0f42c9547b4ad4c26d10162a5a116c92dd0eaaec0dfb2299a20f5187e9e35
[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" "72e0f42c9547b4ad4c26d10162a5a116c92dd0eaaec0dfb2299a20f5187e9e35", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ringbuf v0.1.9
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling ws_stream_endpoint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `Command { std: "docker" "inspect" "72e0f42c9547b4ad4c26d10162a5a116c92dd0eaaec0dfb2299a20f5187e9e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e0f42c9547b4ad4c26d10162a5a116c92dd0eaaec0dfb2299a20f5187e9e35", kill_on_drop: false }`
[INFO] [stdout] 72e0f42c9547b4ad4c26d10162a5a116c92dd0eaaec0dfb2299a20f5187e9e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5961dc35f4e26028b47d4e6cb200d3df3e9d69b16360e2cddb62be8a11a2e0d
[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" "e5961dc35f4e26028b47d4e6cb200d3df3e9d69b16360e2cddb62be8a11a2e0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ws_stream_endpoint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "e5961dc35f4e26028b47d4e6cb200d3df3e9d69b16360e2cddb62be8a11a2e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5961dc35f4e26028b47d4e6cb200d3df3e9d69b16360e2cddb62be8a11a2e0d", kill_on_drop: false }`
[INFO] [stdout] e5961dc35f4e26028b47d4e6cb200d3df3e9d69b16360e2cddb62be8a11a2e0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] ea3c7112bd9a13633faaf591933fe086cae2ed2c46138f76a4cbdf95400c24b9
[INFO] running `Command { std: "docker" "start" "-a" "ea3c7112bd9a13633faaf591933fe086cae2ed2c46138f76a4cbdf95400c24b9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ws_stream_endpoint-f615a466e3a6a313
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests ws_stream_endpoint
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea3c7112bd9a13633faaf591933fe086cae2ed2c46138f76a4cbdf95400c24b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea3c7112bd9a13633faaf591933fe086cae2ed2c46138f76a4cbdf95400c24b9", kill_on_drop: false }`
[INFO] [stdout] ea3c7112bd9a13633faaf591933fe086cae2ed2c46138f76a4cbdf95400c24b9