[INFO] cloning repository https://github.com/MasterTapz/module10-broadcast [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MasterTapz/module10-broadcast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterTapz%2Fmodule10-broadcast", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterTapz%2Fmodule10-broadcast'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ec276493be917fbab7c1c75a7da3d7c2bd5e8bf4 [INFO] checking MasterTapz/module10-broadcast against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterTapz%2Fmodule10-broadcast" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. 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[INFO] started tweaking git repo https://github.com/MasterTapz/module10-broadcast [INFO] finished tweaking git repo https://github.com/MasterTapz/module10-broadcast [INFO] tweaked toml for git repo https://github.com/MasterTapz/module10-broadcast written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/MasterTapz/module10-broadcast on toolchain a5689b034ad287112f709693384a37f1377eb9cc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/MasterTapz/module10-broadcast 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 70bc4c767b31a00f27b64d10ff65024ad27876d2bc183a0b3a85119d7940cc08 [INFO] running `Command { std: "docker" "start" "70bc4c767b31a00f27b64d10ff65024ad27876d2bc183a0b3a85119d7940cc08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70bc4c767b31a00f27b64d10ff65024ad27876d2bc183a0b3a85119d7940cc08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "70bc4c767b31a00f27b64d10ff65024ad27876d2bc183a0b3a85119d7940cc08" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70bc4c767b31a00f27b64d10ff65024ad27876d2bc183a0b3a85119d7940cc08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "70bc4c767b31a00f27b64d10ff65024ad27876d2bc183a0b3a85119d7940cc08" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Checking broadcast_chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `handle_connection` is never used [INFO] [stdout] --> src/server.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | async fn handle_connection( addr: SocketAddr, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/server.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 42 | async fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/client.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | async fn main() -> Result<(), tokio_websockets::Error> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `tokio_websockets::Error` [INFO] [stdout] --> src/client.rs:26:50 [INFO] [stdout] | [INFO] [stdout] 26 | Some(Err(err)) => return Err(err.into()), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] help: consider removing the conversion call [INFO] [stdout] | [INFO] [stdout] 26 - Some(Err(err)) => return Err(err.into()), [INFO] [stdout] 26 + Some(Err(err)) => return Err(err), [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 26 - Some(Err(err)) => return Err(err.into()), [INFO] [stdout] 26 + Some(Err(err)) => return Err(>::into(err)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `broadcast_chat` (bin "broadcast_chat") due to 1 previous error; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: function `handle_connection` is never used [INFO] [stdout] --> src/server.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | async fn handle_connection( addr: SocketAddr, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/server.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 42 | async fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/client.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | async fn main() -> Result<(), tokio_websockets::Error> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `tokio_websockets::Error` [INFO] [stdout] --> src/client.rs:26:50 [INFO] [stdout] | [INFO] [stdout] 26 | Some(Err(err)) => return Err(err.into()), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] help: consider removing the conversion call [INFO] [stdout] | [INFO] [stdout] 26 - Some(Err(err)) => return Err(err.into()), [INFO] [stdout] 26 + Some(Err(err)) => return Err(err), [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 26 - Some(Err(err)) => return Err(err.into()), [INFO] [stdout] 26 + Some(Err(err)) => return Err(>::into(err)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `broadcast_chat` (bin "broadcast_chat" test) due to 1 previous error; 3 warnings emitted [INFO] [stdout] error: useless conversion to the same type: `tokio_websockets::Error` [INFO] [stdout] --> src/client.rs:26:50 [INFO] [stdout] | [INFO] [stdout] 26 | Some(Err(err)) => return Err(err.into()), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] help: consider removing the conversion call [INFO] [stdout] | [INFO] [stdout] 26 - Some(Err(err)) => return Err(err.into()), [INFO] [stdout] 26 + Some(Err(err)) => return Err(err), [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 26 - Some(Err(err)) => return Err(err.into()), [INFO] [stdout] 26 + Some(Err(err)) => return Err(>::into(err)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `broadcast_chat` (bin "client") due to 1 previous error [INFO] [stdout] error: useless conversion to the same type: `tokio_websockets::Error` [INFO] [stdout] --> src/client.rs:26:50 [INFO] [stdout] | [INFO] [stdout] 26 | Some(Err(err)) => return Err(err.into()), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] help: consider removing the conversion call [INFO] [stdout] | [INFO] [stdout] 26 - Some(Err(err)) => return Err(err.into()), [INFO] [stdout] 26 + Some(Err(err)) => return Err(err), [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 26 - Some(Err(err)) => return Err(err.into()), [INFO] [stdout] 26 + Some(Err(err)) => return Err(>::into(err)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `broadcast_chat` (bin "client" test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "70bc4c767b31a00f27b64d10ff65024ad27876d2bc183a0b3a85119d7940cc08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70bc4c767b31a00f27b64d10ff65024ad27876d2bc183a0b3a85119d7940cc08", kill_on_drop: false }` [INFO] [stdout] 70bc4c767b31a00f27b64d10ff65024ad27876d2bc183a0b3a85119d7940cc08