[INFO] cloning repository https://github.com/chenwei767/half-duplex-reactor-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenwei767/half-duplex-reactor-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenwei767%2Fhalf-duplex-reactor-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenwei767%2Fhalf-duplex-reactor-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b69a292ff0abc6dd3c41352ee2e13328a4f910a
[INFO] testing chenwei767/half-duplex-reactor-demo against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenwei767%2Fhalf-duplex-reactor-demo" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chenwei767/half-duplex-reactor-demo on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chenwei767/half-duplex-reactor-demo
[INFO] finished tweaking git repo https://github.com/chenwei767/half-duplex-reactor-demo
[INFO] tweaked toml for git repo https://github.com/chenwei767/half-duplex-reactor-demo written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/chenwei767/half-duplex-reactor-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/chenwei767/RustUtils.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3ec4c7363a3a54ddc746bc406df7a65af6ada10698da40a4171e5fce23a62f1
[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" "c3ec4c7363a3a54ddc746bc406df7a65af6ada10698da40a4171e5fce23a62f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3ec4c7363a3a54ddc746bc406df7a65af6ada10698da40a4171e5fce23a62f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ec4c7363a3a54ddc746bc406df7a65af6ada10698da40a4171e5fce23a62f1", kill_on_drop: false }`
[INFO] [stdout] c3ec4c7363a3a54ddc746bc406df7a65af6ada10698da40a4171e5fce23a62f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd710ffc8aa3a4655f8ae124dbab8ace3da555743a7744b8feed8f8bd84abc09
[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" "dd710ffc8aa3a4655f8ae124dbab8ace3da555743a7744b8feed8f8bd84abc09", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling my-macro v0.1.0 (https://github.com/chenwei767/RustUtils.git?rev=f96e223f15a8e6680578f67c78ab58c995ee809f#f96e223f)
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling my-error v0.0.1 (https://github.com/chenwei767/RustUtils.git?rev=f96e223f15a8e6680578f67c78ab58c995ee809f#f96e223f)
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling myapp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `keepalive_client`
[INFO] [stdout]   --> src/main.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | async fn keepalive_client(stream: TcpStream) -> Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 1m 07s
[INFO] running `Command { std: "docker" "inspect" "dd710ffc8aa3a4655f8ae124dbab8ace3da555743a7744b8feed8f8bd84abc09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd710ffc8aa3a4655f8ae124dbab8ace3da555743a7744b8feed8f8bd84abc09", kill_on_drop: false }`
[INFO] [stdout] dd710ffc8aa3a4655f8ae124dbab8ace3da555743a7744b8feed8f8bd84abc09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--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] 808be6a2d03200f0b4461d7c11d9d7043edcdbb905dbd301c7f57b4f9ea94b1f
[INFO] running `Command { std: "docker" "start" "-a" "808be6a2d03200f0b4461d7c11d9d7043edcdbb905dbd301c7f57b4f9ea94b1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling myapp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `keepalive_client`
[INFO] [stdout]   --> src/main.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | async fn keepalive_client(stream: TcpStream) -> Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 1.83s
[INFO] running `Command { std: "docker" "inspect" "808be6a2d03200f0b4461d7c11d9d7043edcdbb905dbd301c7f57b4f9ea94b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "808be6a2d03200f0b4461d7c11d9d7043edcdbb905dbd301c7f57b4f9ea94b1f", kill_on_drop: false }`
[INFO] [stdout] 808be6a2d03200f0b4461d7c11d9d7043edcdbb905dbd301c7f57b4f9ea94b1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 2836c6827fcd8eaffb1371228813d47b76459ec60330bb186afecc31f7c39275
[INFO] running `Command { std: "docker" "start" "-a" "2836c6827fcd8eaffb1371228813d47b76459ec60330bb186afecc31f7c39275", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `keepalive_client`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:47:10
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 47 | async fn keepalive_client(stream: TcpStream) -> Result<()> {
[INFO] [stdout] 
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `myapp` (bin "myapp" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/myapp-f1bdd220a844c7fd)
[INFO] running `Command { std: "docker" "inspect" "2836c6827fcd8eaffb1371228813d47b76459ec60330bb186afecc31f7c39275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2836c6827fcd8eaffb1371228813d47b76459ec60330bb186afecc31f7c39275", kill_on_drop: false }`
[INFO] [stdout] 2836c6827fcd8eaffb1371228813d47b76459ec60330bb186afecc31f7c39275