[INFO] cloning repository https://github.com/StellarGlyph/chatroom [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StellarGlyph/chatroom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStellarGlyph%2Fchatroom", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStellarGlyph%2Fchatroom'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e5bef1923e6431160c44de57c682f207b7c77638 [INFO] checking StellarGlyph/chatroom against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStellarGlyph%2Fchatroom" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/StellarGlyph/chatroom on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/StellarGlyph/chatroom [INFO] finished tweaking git repo https://github.com/StellarGlyph/chatroom [INFO] tweaked toml for git repo https://github.com/StellarGlyph/chatroom written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/StellarGlyph/chatroom 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded snafu-derive v0.8.2 [INFO] [stderr] Downloaded snafu v0.8.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85ab8fcd0390c6379a11e749f055289676d5355632a36095b7756fcdbab4dcf3 [INFO] running `Command { std: "docker" "start" "-a" "85ab8fcd0390c6379a11e749f055289676d5355632a36095b7756fcdbab4dcf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85ab8fcd0390c6379a11e749f055289676d5355632a36095b7756fcdbab4dcf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85ab8fcd0390c6379a11e749f055289676d5355632a36095b7756fcdbab4dcf3", kill_on_drop: false }` [INFO] [stdout] 85ab8fcd0390c6379a11e749f055289676d5355632a36095b7756fcdbab4dcf3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca45e0c333b1c5368f298f2c632af66af7157cd094d0222d6c0a2c54c151fbc7 [INFO] running `Command { std: "docker" "start" "-a" "ca45e0c333b1c5368f298f2c632af66af7157cd094d0222d6c0a2c54c151fbc7", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking fastrand v2.1.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling snafu-derive v0.8.2 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking snafu v0.8.2 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tokio-util v0.7.11 [INFO] [stderr] Checking chat_server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::common::utils::random_name` [INFO] [stdout] --> src/common/utils.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | use crate::common::utils::random_name; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio_util::bytes::buf::Writer` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio_util::bytes::buf::Writer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio_util::bytes::buf::Writer` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio_util::bytes::buf::Writer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx` [INFO] [stdout] --> src/main.rs:44:10 [INFO] [stdout] | [INFO] [stdout] 44 | let (tx, _) = broadcast::channel::(32); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_tx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx` [INFO] [stdout] --> src/main.rs:44:10 [INFO] [stdout] | [INFO] [stdout] 44 | let (tx, _) = broadcast::channel::(32); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_tx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `username` [INFO] [stdout] --> src/group.rs:25:30 [INFO] [stdout] | [INFO] [stdout] 25 | pub async fn join(&self, username: String) -> Sender { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_username` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `username` [INFO] [stdout] --> src/group.rs:25:30 [INFO] [stdout] | [INFO] [stdout] 25 | pub async fn join(&self, username: String) -> Sender { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_username` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `users` are never read [INFO] [stdout] --> src/group.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Group { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 9 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | users: Arc>>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `join` is never used [INFO] [stdout] --> src/group.rs:25:18 [INFO] [stdout] | [INFO] [stdout] 14 | impl Group { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 25 | pub async fn join(&self, username: String) -> Sender { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Server` is never constructed [INFO] [stdout] --> src/server.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Server{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `work` is never used [INFO] [stdout] --> src/main.rs:150:14 [INFO] [stdout] | [INFO] [stdout] 150 | async fn work(mtx: &Mutex) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `users` are never read [INFO] [stdout] --> src/group.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Group { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 9 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | users: Arc>>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `join` is never used [INFO] [stdout] --> src/group.rs:25:18 [INFO] [stdout] | [INFO] [stdout] 14 | impl Group { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 25 | pub async fn join(&self, username: String) -> Sender { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Server` is never constructed [INFO] [stdout] --> src/server.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Server{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.23s [INFO] running `Command { std: "docker" "inspect" "ca45e0c333b1c5368f298f2c632af66af7157cd094d0222d6c0a2c54c151fbc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca45e0c333b1c5368f298f2c632af66af7157cd094d0222d6c0a2c54c151fbc7", kill_on_drop: false }` [INFO] [stdout] ca45e0c333b1c5368f298f2c632af66af7157cd094d0222d6c0a2c54c151fbc7