[INFO] fetching crate engine_io_server 0.1.0... [INFO] checking engine_io_server-0.1.0 against beta for pr-78714 [INFO] extracting crate engine_io_server 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate engine_io_server 0.1.0 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate engine_io_server 0.1.0 [INFO] finished tweaking crates.io crate engine_io_server 0.1.0 [INFO] tweaked toml for crates.io crate engine_io_server 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 67fd1c0f85da53bee28ab07724ad24a6e2e7eec85726bf2a3c3ee9e18f0c6e4b [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" "67fd1c0f85da53bee28ab07724ad24a6e2e7eec85726bf2a3c3ee9e18f0c6e4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "67fd1c0f85da53bee28ab07724ad24a6e2e7eec85726bf2a3c3ee9e18f0c6e4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67fd1c0f85da53bee28ab07724ad24a6e2e7eec85726bf2a3c3ee9e18f0c6e4b", kill_on_drop: false }` [INFO] [stdout] 67fd1c0f85da53bee28ab07724ad24a6e2e7eec85726bf2a3c3ee9e18f0c6e4b [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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 33f3aeba03dc04dbc163e9545f37c115fde4ad57c705bb8f190841d207799a2f [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" "33f3aeba03dc04dbc163e9545f37c115fde4ad57c705bb8f190841d207799a2f", kill_on_drop: false }` [INFO] [stderr] Compiling lexical-core v0.7.4 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking strum v0.18.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Compiling strum_macros v0.18.0 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking engine_io_parser v0.2.0 [INFO] [stderr] Checking engine_io_server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `reason` [INFO] [stdout] --> src/socket.rs:363:34 [INFO] [stdout] | [INFO] [stdout] 363 | async fn on_close(&mut self, reason: SocketError, description: &str) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `description` [INFO] [stdout] --> src/socket.rs:363:55 [INFO] [stdout] | [INFO] [stdout] 363 | async fn on_close(&mut self, reason: SocketError, description: &str) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/socket.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut holder = TransportHolder { [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: field is never read: `remote_address` [INFO] [stdout] --> src/socket.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | remote_address: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `transport_event_sender` [INFO] [stdout] --> src/socket.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | transport_event_sender: mpsc::Sender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reason` [INFO] [stdout] --> src/socket.rs:363:34 [INFO] [stdout] | [INFO] [stdout] 363 | async fn on_close(&mut self, reason: SocketError, description: &str) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `description` [INFO] [stdout] --> src/socket.rs:363:55 [INFO] [stdout] | [INFO] [stdout] 363 | async fn on_close(&mut self, reason: SocketError, description: &str) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/socket.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut holder = TransportHolder { [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/socket.rs:172:9 [INFO] [stdout] | [INFO] [stdout] 172 | / self.event_sender [INFO] [stdout] 173 | | .send(SocketEvent::Open { [INFO] [stdout] 174 | | socket_id: self.id.clone(), [INFO] [stdout] 175 | | }) [INFO] [stdout] 176 | | .await; [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `remote_address` [INFO] [stdout] --> src/socket.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | remote_address: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `transport_event_sender` [INFO] [stdout] --> src/socket.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | transport_event_sender: mpsc::Sender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `TransportImpl::close` that must be used [INFO] [stdout] --> src/socket.rs:187:17 [INFO] [stdout] | [INFO] [stdout] 187 | self.transport_holder.transport.close(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/socket.rs:284:13 [INFO] [stdout] | [INFO] [stdout] 284 | / self.event_sender [INFO] [stdout] 285 | | .send(SocketEvent::Flush { [INFO] [stdout] 286 | | socket_id: id.clone(), [INFO] [stdout] 287 | | }) [INFO] [stdout] 288 | | .await; [INFO] [stdout] | |_______________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/socket.rs:172:9 [INFO] [stdout] | [INFO] [stdout] 172 | / self.event_sender [INFO] [stdout] 173 | | .send(SocketEvent::Open { [INFO] [stdout] 174 | | socket_id: self.id.clone(), [INFO] [stdout] 175 | | }) [INFO] [stdout] 176 | | .await; [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `TransportImpl::close` that must be used [INFO] [stdout] --> src/socket.rs:187:17 [INFO] [stdout] | [INFO] [stdout] 187 | self.transport_holder.transport.close(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/socket.rs:284:13 [INFO] [stdout] | [INFO] [stdout] 284 | / self.event_sender [INFO] [stdout] 285 | | .send(SocketEvent::Flush { [INFO] [stdout] 286 | | socket_id: id.clone(), [INFO] [stdout] 287 | | }) [INFO] [stdout] 288 | | .await; [INFO] [stdout] | |_______________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.75s [INFO] running `Command { std: "docker" "inspect" "33f3aeba03dc04dbc163e9545f37c115fde4ad57c705bb8f190841d207799a2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33f3aeba03dc04dbc163e9545f37c115fde4ad57c705bb8f190841d207799a2f", kill_on_drop: false }` [INFO] [stdout] 33f3aeba03dc04dbc163e9545f37c115fde4ad57c705bb8f190841d207799a2f