[INFO] cloning repository https://github.com/578223592/rs_learn_tokio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/578223592/rs_learn_tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F578223592%2Frs_learn_tokio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F578223592%2Frs_learn_tokio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 269d46bed33eff8f294d2bdac69551de4548fa6b
[INFO] checking 578223592/rs_learn_tokio against master#c8551d3c63c51f290cf1dc9dc4714249ea849fd1 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F578223592%2Frs_learn_tokio" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/578223592/rs_learn_tokio
[INFO] removed 1 missing examples
[INFO] finished tweaking git repo https://github.com/578223592/rs_learn_tokio
[INFO] tweaked toml for git repo https://github.com/578223592/rs_learn_tokio written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/578223592/rs_learn_tokio on toolchain c8551d3c63c51f290cf1dc9dc4714249ea849fd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/578223592/rs_learn_tokio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f5b5ca09e07d5bc0b0095b48da81d4f4de008cd792160a39f49f4e48ff53fb8
[INFO] running `Command { std: "docker" "start" "-a" "9f5b5ca09e07d5bc0b0095b48da81d4f4de008cd792160a39f49f4e48ff53fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f5b5ca09e07d5bc0b0095b48da81d4f4de008cd792160a39f49f4e48ff53fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f5b5ca09e07d5bc0b0095b48da81d4f4de008cd792160a39f49f4e48ff53fb8", kill_on_drop: false }`
[INFO] [stdout] 9f5b5ca09e07d5bc0b0095b48da81d4f4de008cd792160a39f49f4e48ff53fb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecc7cc360aa32d60fc82cd6c1baeabe087dff4f8eb4df54c71400ab154e1d5c5
[INFO] running `Command { std: "docker" "start" "-a" "ecc7cc360aa32d60fc82cd6c1baeabe087dff4f8eb4df54c71400ab154e1d5c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
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[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking smallvec v1.13.2
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[INFO] [stderr]     Checking regex-syntax v0.6.29
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[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stderr]    Compiling tracing-attributes v0.1.27
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[INFO] [stderr]     Checking learn_tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/main.rs:9:88
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let tcp_listener: TcpListener = TcpListener::bind("127.0.0.1:6379").await.unwrap();;
[INFO] [stdout]   |                                                                                        ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/main.rs:9:88
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let tcp_listener: TcpListener = TcpListener::bind("127.0.0.1:6379").await.unwrap();;
[INFO] [stdout]   |                                                                                        ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     loop {
[INFO] [stdout] 11 | |         let (socket, _) = tcp_listener.accept().await?;
[INFO] [stdout] 12 | |         tokio::spawn(async move {
[INFO] [stdout] 13 | |             proceess_socket(socket).await;
[INFO] [stdout] 14 | |         });
[INFO] [stdout] 15 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 19 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     loop {
[INFO] [stdout] 11 | |         let (socket, _) = tcp_listener.accept().await?;
[INFO] [stdout] 12 | |         tokio::spawn(async move {
[INFO] [stdout] 13 | |             proceess_socket(socket).await;
[INFO] [stdout] 14 | |         });
[INFO] [stdout] 15 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 19 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.82s
[INFO] running `Command { std: "docker" "inspect" "ecc7cc360aa32d60fc82cd6c1baeabe087dff4f8eb4df54c71400ab154e1d5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc7cc360aa32d60fc82cd6c1baeabe087dff4f8eb4df54c71400ab154e1d5c5", kill_on_drop: false }`
[INFO] [stdout] ecc7cc360aa32d60fc82cd6c1baeabe087dff4f8eb4df54c71400ab154e1d5c5
