[INFO] cloning repository https://github.com/tedtalksbits/rust_chat_app [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tedtalksbits/rust_chat_app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedtalksbits%2Frust_chat_app", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedtalksbits%2Frust_chat_app'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 478dcabaf0bd66ce85453325144d1a12cb0ef1ce [INFO] checking tedtalksbits/rust_chat_app against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedtalksbits%2Frust_chat_app" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tedtalksbits/rust_chat_app [INFO] finished tweaking git repo https://github.com/tedtalksbits/rust_chat_app [INFO] tweaked toml for git repo https://github.com/tedtalksbits/rust_chat_app written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tedtalksbits/rust_chat_app on toolchain 4797991aa2efb6d658150f10425b3f3b5d10eceb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tedtalksbits/rust_chat_app 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" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a804d0f0f2889fc13b92423253564067a9d2fd37718cd9e79f6669e9bb9c746 [INFO] running `Command { std: "docker" "start" "-a" "6a804d0f0f2889fc13b92423253564067a9d2fd37718cd9e79f6669e9bb9c746", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a804d0f0f2889fc13b92423253564067a9d2fd37718cd9e79f6669e9bb9c746", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a804d0f0f2889fc13b92423253564067a9d2fd37718cd9e79f6669e9bb9c746", kill_on_drop: false }` [INFO] [stdout] 6a804d0f0f2889fc13b92423253564067a9d2fd37718cd9e79f6669e9bb9c746 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c57efb8faf6d885e930bd5650eb8337ba0131a0c38f8c774b54c372882575043 [INFO] running `Command { std: "docker" "start" "-a" "c57efb8faf6d885e930bd5650eb8337ba0131a0c38f8c774b54c372882575043", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Checking opaque-debug v0.3.1 [INFO] [stderr] Checking cpufeatures v0.2.12 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking http v0.2.12 [INFO] [stderr] Checking base64 v0.13.1 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.53 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking sha-1 v0.9.8 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking tokio v1.36.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking tungstenite v0.14.0 [INFO] [stderr] Checking tokio-tungstenite v0.15.0 [INFO] [stderr] Checking rust_chat_app v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `client` [INFO] [stdout] --> src/main.rs:11:19 [INFO] [stdout] | [INFO] [stdout] 11 | tungstenite::{client, Message}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let state = Arc::new(Mutex::new(SharedState { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `client_id` [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let mut client_id: usize = 0; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `write` [INFO] [stdout] --> src/main.rs:45:18 [INFO] [stdout] | [INFO] [stdout] 45 | let (write, mut read) = ws_stream.split(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_write` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut client_id: usize = 0; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Rx` is never used [INFO] [stdout] --> src/main.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | type Rx = SplitSink, Message>; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `clients` is never read [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | struct SharedState { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 19 | clients: HashMap, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `client` [INFO] [stdout] --> src/main.rs:11:19 [INFO] [stdout] | [INFO] [stdout] 11 | tungstenite::{client, Message}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let state = Arc::new(Mutex::new(SharedState { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `client_id` [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let mut client_id: usize = 0; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `write` [INFO] [stdout] --> src/main.rs:45:18 [INFO] [stdout] | [INFO] [stdout] 45 | let (write, mut read) = ws_stream.split(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_write` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut client_id: usize = 0; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Rx` is never used [INFO] [stdout] --> src/main.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | type Rx = SplitSink, Message>; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `clients` is never read [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | struct SharedState { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 19 | clients: HashMap, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.20s [INFO] running `Command { std: "docker" "inspect" "c57efb8faf6d885e930bd5650eb8337ba0131a0c38f8c774b54c372882575043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c57efb8faf6d885e930bd5650eb8337ba0131a0c38f8c774b54c372882575043", kill_on_drop: false }` [INFO] [stdout] c57efb8faf6d885e930bd5650eb8337ba0131a0c38f8c774b54c372882575043