[INFO] cloning repository https://github.com/JeepYiheihou/rust-io-uring-echo-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JeepYiheihou/rust-io-uring-echo-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeepYiheihou%2Frust-io-uring-echo-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeepYiheihou%2Frust-io-uring-echo-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d9942df153fdedd17515bed07c1b9c35b4854d0
[INFO] testing JeepYiheihou/rust-io-uring-echo-server against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeepYiheihou%2Frust-io-uring-echo-server" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JeepYiheihou/rust-io-uring-echo-server 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 git repo https://github.com/JeepYiheihou/rust-io-uring-echo-server
[INFO] finished tweaking git repo https://github.com/JeepYiheihou/rust-io-uring-echo-server
[INFO] tweaked toml for git repo https://github.com/JeepYiheihou/rust-io-uring-echo-server written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JeepYiheihou/rust-io-uring-echo-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.37
[INFO] [stderr]   Downloaded io-uring v0.5.0-alpha.1
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6309d0d57d5a568ed55b5c95246b860c2495a78bf85069b278353e58214ef3ca
[INFO] running `Command { std: "docker" "start" "-a" "6309d0d57d5a568ed55b5c95246b860c2495a78bf85069b278353e58214ef3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6309d0d57d5a568ed55b5c95246b860c2495a78bf85069b278353e58214ef3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6309d0d57d5a568ed55b5c95246b860c2495a78bf85069b278353e58214ef3ca", kill_on_drop: false }`
[INFO] [stdout] 6309d0d57d5a568ed55b5c95246b860c2495a78bf85069b278353e58214ef3ca
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d93b754341b456e1eec5ce17e47a2efab16f10eda716211b0d954a4b236a798
[INFO] running `Command { std: "docker" "start" "-a" "4d93b754341b456e1eec5ce17e47a2efab16f10eda716211b0d954a4b236a798", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-uring v0.5.0-alpha.1
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "4d93b754341b456e1eec5ce17e47a2efab16f10eda716211b0d954a4b236a798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d93b754341b456e1eec5ce17e47a2efab16f10eda716211b0d954a4b236a798", kill_on_drop: false }`
[INFO] [stdout] 4d93b754341b456e1eec5ce17e47a2efab16f10eda716211b0d954a4b236a798
[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" "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] 36f8188e7d1d62acdcc4bffa3526a61834bb1c070937e544d3196f74194ad39e
[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" "36f8188e7d1d62acdcc4bffa3526a61834bb1c070937e544d3196f74194ad39e", kill_on_drop: false }`
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "36f8188e7d1d62acdcc4bffa3526a61834bb1c070937e544d3196f74194ad39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f8188e7d1d62acdcc4bffa3526a61834bb1c070937e544d3196f74194ad39e", kill_on_drop: false }`
[INFO] [stdout] 36f8188e7d1d62acdcc4bffa3526a61834bb1c070937e544d3196f74194ad39e
[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" "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] 1098b9827f6d420a93fd87b91a75f0d292645fce9ca8f5fa0a4c84e440a20f1e
[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" "1098b9827f6d420a93fd87b91a75f0d292645fce9ca8f5fa0a4c84e440a20f1e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/echo_server-1cbfa15aae1a6060)
[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" "1098b9827f6d420a93fd87b91a75f0d292645fce9ca8f5fa0a4c84e440a20f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1098b9827f6d420a93fd87b91a75f0d292645fce9ca8f5fa0a4c84e440a20f1e", kill_on_drop: false }`
[INFO] [stdout] 1098b9827f6d420a93fd87b91a75f0d292645fce9ca8f5fa0a4c84e440a20f1e