[INFO] cloning repository https://github.com/huytd/sergaem [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huytd/sergaem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuytd%2Fsergaem", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuytd%2Fsergaem'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1bfdd4aa0a66f96af4d65a2a09927b3cb0d9313e [INFO] checking huytd/sergaem against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuytd%2Fsergaem" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/huytd/sergaem on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/huytd/sergaem [INFO] finished tweaking git repo https://github.com/huytd/sergaem [INFO] tweaked toml for git repo https://github.com/huytd/sergaem written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/huytd/sergaem 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ws v0.7.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7304a617cb29e35cf498018c90b08a3fc6bc9dbeb631f4d9bb1463a258427bd0 [INFO] running `Command { std: "docker" "start" "-a" "7304a617cb29e35cf498018c90b08a3fc6bc9dbeb631f4d9bb1463a258427bd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7304a617cb29e35cf498018c90b08a3fc6bc9dbeb631f4d9bb1463a258427bd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7304a617cb29e35cf498018c90b08a3fc6bc9dbeb631f4d9bb1463a258427bd0", kill_on_drop: false }` [INFO] [stdout] 7304a617cb29e35cf498018c90b08a3fc6bc9dbeb631f4d9bb1463a258427bd0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a87874025aadf303c0112dc7674beb2b6d4da615affc679a44291b2f3a354b15 [INFO] running `Command { std: "docker" "start" "-a" "a87874025aadf303c0112dc7674beb2b6d4da615affc679a44291b2f3a354b15", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking crossbeam-deque v0.5.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking crossbeam-channel v0.2.6 [INFO] [stderr] Checking ws v0.7.9 [INFO] [stderr] Checking crossbeam v0.4.1 [INFO] [stderr] Checking sergaem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `CloseCode`, `Handler`, `Handshake`, `Message`, `Result` [INFO] [stdout] --> src/engine/network.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | use ws::{CloseCode, Sender, Handler, Handshake, Message, Result}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ ^^^^^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ws::util::Token` [INFO] [stdout] --> src/engine/client_handler.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use ws::util::Token; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CloseCode`, `Handler`, `Handshake`, `Message`, `Result` [INFO] [stdout] --> src/engine/network.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | use ws::{CloseCode, Sender, Handler, Handshake, Message, Result}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ ^^^^^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ws::util::Token` [INFO] [stdout] --> src/engine/client_handler.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use ws::util::Token; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine/game_manager.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | for (_, mut game) in &mut self.games { [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: variable does not need to be mutable [INFO] [stdout] --> src/engine/game.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let mut game_logic = GameLogic::new(self.clone()); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `clients` is never read [INFO] [stdout] --> src/engine/network.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct NetworkManager { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 8 | pub clients: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_total_clients`, `add_client`, and `remove_client` are never used [INFO] [stdout] --> src/engine/network.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl NetworkManager { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn get_total_clients(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn add_client(&mut self, client: Sender) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn remove_client(&mut self, token: Token) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `remove_player`, `get_games_list`, and `player_join_game` are never used [INFO] [stdout] --> src/engine/game_manager.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl GameManager { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn remove_player(&mut self, player_token: Token) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn get_games_list(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn player_join_game(&mut self, player: Sender, game_id: u64) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `kick` and `join` are never used [INFO] [stdout] --> src/engine/game.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Game { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn kick(&mut self, player_token: Token) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn join(&mut self, player: Sender) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/engine/game.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | player.send(Message::from(msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = player.send(Message::from(msg)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine/game_manager.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | for (_, mut game) in &mut self.games { [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: variable does not need to be mutable [INFO] [stdout] --> src/engine/game.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let mut game_logic = GameLogic::new(self.clone()); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `clients` is never read [INFO] [stdout] --> src/engine/network.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct NetworkManager { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 8 | pub clients: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_total_clients`, `add_client`, and `remove_client` are never used [INFO] [stdout] --> src/engine/network.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl NetworkManager { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn get_total_clients(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn add_client(&mut self, client: Sender) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn remove_client(&mut self, token: Token) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `remove_player`, `get_games_list`, and `player_join_game` are never used [INFO] [stdout] --> src/engine/game_manager.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl GameManager { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn remove_player(&mut self, player_token: Token) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn get_games_list(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn player_join_game(&mut self, player: Sender, game_id: u64) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `kick` and `join` are never used [INFO] [stdout] --> src/engine/game.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Game { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn kick(&mut self, player_token: Token) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn join(&mut self, player: Sender) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/engine/game.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | player.send(Message::from(msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = player.send(Message::from(msg)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.14s [INFO] running `Command { std: "docker" "inspect" "a87874025aadf303c0112dc7674beb2b6d4da615affc679a44291b2f3a354b15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a87874025aadf303c0112dc7674beb2b6d4da615affc679a44291b2f3a354b15", kill_on_drop: false }` [INFO] [stdout] a87874025aadf303c0112dc7674beb2b6d4da615affc679a44291b2f3a354b15 [INFO] checking huytd/sergaem against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuytd%2Fsergaem" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/huytd/sergaem on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/huytd/sergaem [INFO] finished tweaking git repo https://github.com/huytd/sergaem [INFO] tweaked toml for git repo https://github.com/huytd/sergaem written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/huytd/sergaem 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e7e759dc46a8d085855a0c4f69d9d5293b6a26ffa770ca0401dbc6196f65647 [INFO] running `Command { std: "docker" "start" "-a" "0e7e759dc46a8d085855a0c4f69d9d5293b6a26ffa770ca0401dbc6196f65647", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e7e759dc46a8d085855a0c4f69d9d5293b6a26ffa770ca0401dbc6196f65647", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e7e759dc46a8d085855a0c4f69d9d5293b6a26ffa770ca0401dbc6196f65647", kill_on_drop: false }` [INFO] [stdout] 0e7e759dc46a8d085855a0c4f69d9d5293b6a26ffa770ca0401dbc6196f65647 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8c0ca17782baa9031d5e2f30001bf30cd1b7fbb24b6e285b259f94a41b18348 [INFO] running `Command { std: "docker" "start" "-a" "c8c0ca17782baa9031d5e2f30001bf30cd1b7fbb24b6e285b259f94a41b18348", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking crossbeam-deque v0.5.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking ws v0.7.9 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking crossbeam-channel v0.2.6 [INFO] [stderr] Checking crossbeam v0.4.1 [INFO] [stderr] Checking sergaem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `CloseCode`, `Handler`, `Handshake`, `Message`, `Result` [INFO] [stdout] --> src/engine/network.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | use ws::{CloseCode, Sender, Handler, Handshake, Message, Result}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ ^^^^^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ws::util::Token` [INFO] [stdout] --> src/engine/client_handler.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use ws::util::Token; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CloseCode`, `Handler`, `Handshake`, `Message`, `Result` [INFO] [stdout] --> src/engine/network.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | use ws::{CloseCode, Sender, Handler, Handshake, Message, Result}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ ^^^^^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ws::util::Token` [INFO] [stdout] --> src/engine/client_handler.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use ws::util::Token; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine/game_manager.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | for (_, mut game) in &mut self.games { [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: variable does not need to be mutable [INFO] [stdout] --> src/engine/game.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let mut game_logic = GameLogic::new(self.clone()); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `clients` is never read [INFO] [stdout] --> src/engine/network.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct NetworkManager { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 8 | pub clients: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_total_clients`, `add_client`, and `remove_client` are never used [INFO] [stdout] --> src/engine/network.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl NetworkManager { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn get_total_clients(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn add_client(&mut self, client: Sender) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn remove_client(&mut self, token: Token) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `remove_player`, `get_games_list`, and `player_join_game` are never used [INFO] [stdout] --> src/engine/game_manager.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl GameManager { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn remove_player(&mut self, player_token: Token) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn get_games_list(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn player_join_game(&mut self, player: Sender, game_id: u64) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `kick` and `join` are never used [INFO] [stdout] --> src/engine/game.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Game { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn kick(&mut self, player_token: Token) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn join(&mut self, player: Sender) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/engine/game.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | player.send(Message::from(msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = player.send(Message::from(msg)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine/game_manager.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | for (_, mut game) in &mut self.games { [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: variable does not need to be mutable [INFO] [stdout] --> src/engine/game.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let mut game_logic = GameLogic::new(self.clone()); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `clients` is never read [INFO] [stdout] --> src/engine/network.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct NetworkManager { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 8 | pub clients: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_total_clients`, `add_client`, and `remove_client` are never used [INFO] [stdout] --> src/engine/network.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl NetworkManager { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn get_total_clients(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn add_client(&mut self, client: Sender) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn remove_client(&mut self, token: Token) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `remove_player`, `get_games_list`, and `player_join_game` are never used [INFO] [stdout] --> src/engine/game_manager.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl GameManager { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn remove_player(&mut self, player_token: Token) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn get_games_list(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn player_join_game(&mut self, player: Sender, game_id: u64) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `kick` and `join` are never used [INFO] [stdout] --> src/engine/game.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Game { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn kick(&mut self, player_token: Token) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn join(&mut self, player: Sender) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/engine/game.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | player.send(Message::from(msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = player.send(Message::from(msg)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.87s [INFO] running `Command { std: "docker" "inspect" "c8c0ca17782baa9031d5e2f30001bf30cd1b7fbb24b6e285b259f94a41b18348", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8c0ca17782baa9031d5e2f30001bf30cd1b7fbb24b6e285b259f94a41b18348", kill_on_drop: false }` [INFO] [stdout] c8c0ca17782baa9031d5e2f30001bf30cd1b7fbb24b6e285b259f94a41b18348