[INFO] cloning repository https://github.com/bexsella/rust_mafia [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bexsella/rust_mafia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbexsella%2Frust_mafia", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbexsella%2Frust_mafia'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 452dd2ef42f9259c6dc47ed6ce7970979da4622c [INFO] checking bexsella/rust_mafia against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbexsella%2Frust_mafia" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bexsella/rust_mafia on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bexsella/rust_mafia [INFO] finished tweaking git repo https://github.com/bexsella/rust_mafia [INFO] tweaked toml for git repo https://github.com/bexsella/rust_mafia written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bexsella/rust_mafia 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking bexsella/rust_mafia against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbexsella%2Frust_mafia" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bexsella/rust_mafia on toolchain 047472f299946caf090d1b5608ae4bd9f0416256 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bexsella/rust_mafia [INFO] finished tweaking git repo https://github.com/bexsella/rust_mafia [INFO] tweaked toml for git repo https://github.com/bexsella/rust_mafia written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/bexsella/rust_mafia 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28082a29e95bccc46cb6e173fb24c4fd076fdc09cbe78169ac32677a2f2ed5ba [INFO] running `Command { std: "docker" "start" "-a" "28082a29e95bccc46cb6e173fb24c4fd076fdc09cbe78169ac32677a2f2ed5ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28082a29e95bccc46cb6e173fb24c4fd076fdc09cbe78169ac32677a2f2ed5ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28082a29e95bccc46cb6e173fb24c4fd076fdc09cbe78169ac32677a2f2ed5ba", kill_on_drop: false }` [INFO] [stdout] 28082a29e95bccc46cb6e173fb24c4fd076fdc09cbe78169ac32677a2f2ed5ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Ddereferencing_mut_binding" "-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" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f0401b207e1fb55b92ff279a59e633fde870055f99f83e0087ea7aef8b22a28 [INFO] running `Command { std: "docker" "start" "-a" "4f0401b207e1fb55b92ff279a59e633fde870055f99f83e0087ea7aef8b22a28", kill_on_drop: false }` [INFO] [stderr] Checking rust_mafia v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufWriter`, `self` [INFO] [stdout] --> src/mafia.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{self, Write, BufWriter}; [INFO] [stdout] | ^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fore` [INFO] [stdout] --> src/console.rs:204:35 [INFO] [stdout] | [INFO] [stdout] 204 | pub fn set_text_color (&self, fore: Colours, back: Colours) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_fore` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `back` [INFO] [stdout] --> src/console.rs:204:50 [INFO] [stdout] | [INFO] [stdout] 204 | pub fn set_text_color (&self, fore: Colours, back: Colours) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_back` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/console.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | let mut text_attributes: u16 = 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: unused imports: `BufWriter`, `self` [INFO] [stdout] --> src/mafia.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{self, Write, BufWriter}; [INFO] [stdout] | ^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FOCUS_EVENT` is never used [INFO] [stdout] --> src/console.rs:100:11 [INFO] [stdout] | [INFO] [stdout] 100 | pub const FOCUS_EVENT: u16 = 0x0010; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MENU_EVENT` is never used [INFO] [stdout] --> src/console.rs:102:11 [INFO] [stdout] | [INFO] [stdout] 102 | pub const MENU_EVENT: u16 = 0x0008; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `WINDOW_BUFFER_SIZE_EVENT` is never used [INFO] [stdout] --> src/console.rs:103:11 [INFO] [stdout] | [INFO] [stdout] 103 | pub const WINDOW_BUFFER_SIZE_EVENT: u16 = 0x0004; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Colours` is never used [INFO] [stdout] --> src/console.rs:116:10 [INFO] [stdout] | [INFO] [stdout] 116 | pub enum Colours { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FOREGROUND_BLUE` is never used [INFO] [stdout] --> src/console.rs:135:7 [INFO] [stdout] | [INFO] [stdout] 135 | const FOREGROUND_BLUE: u16 = 0x0001; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FOREGORUND_GREEN` is never used [INFO] [stdout] --> src/console.rs:136:7 [INFO] [stdout] | [INFO] [stdout] 136 | const FOREGORUND_GREEN: u16 = 0x0002; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FOREGROUND_RED` is never used [INFO] [stdout] --> src/console.rs:137:7 [INFO] [stdout] | [INFO] [stdout] 137 | const FOREGROUND_RED: u16 = 0x0004; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FOREGROUND_INTENSITY` is never used [INFO] [stdout] --> src/console.rs:138:7 [INFO] [stdout] | [INFO] [stdout] 138 | const FOREGROUND_INTENSITY: u16 = 0x0008; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BACKGROUND_BLUE` is never used [INFO] [stdout] --> src/console.rs:139:7 [INFO] [stdout] | [INFO] [stdout] 139 | const BACKGROUND_BLUE: u16 = 0x0010; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BACKGROUND_GREEN` is never used [INFO] [stdout] --> src/console.rs:140:7 [INFO] [stdout] | [INFO] [stdout] 140 | const BACKGROUND_GREEN: u16 = 0x0020; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BACKGROUND_RED` is never used [INFO] [stdout] --> src/console.rs:141:7 [INFO] [stdout] | [INFO] [stdout] 141 | const BACKGROUND_RED: u16 = 0x0040; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BACKGROUND_INTENSITY` is never used [INFO] [stdout] --> src/console.rs:142:7 [INFO] [stdout] | [INFO] [stdout] 142 | const BACKGROUND_INTENSITY: u16 = 0x0080; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_text_color` is never used [INFO] [stdout] --> src/console.rs:204:12 [INFO] [stdout] | [INFO] [stdout] 169 | impl Console { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 204 | pub fn set_text_color (&self, fore: Colours, back: Colours) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `M` is never used [INFO] [stdout] --> src/rand.rs:2:7 [INFO] [stdout] | [INFO] [stdout] 2 | const M: usize = 397; [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `index` is never read [INFO] [stdout] --> src/rand.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Rand { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 6 | mt: [u32; N], [INFO] [stdout] 7 | index: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_i32`, `get_i32_bounded`, `next`, `update`, and `twist` are never used [INFO] [stdout] --> src/rand.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Rand { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn get_i32 (&mut self) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn get_i32_bounded (&mut self, min: i32, max: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn next (&mut self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn update (&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn twist (&self, a: u32, b: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `state` and `rng` are never read [INFO] [stdout] --> src/mafia.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Game { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 19 | state: GameState, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | rng: rand::Rand, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fore` [INFO] [stdout] --> src/console.rs:204:35 [INFO] [stdout] | [INFO] [stdout] 204 | pub fn set_text_color (&self, fore: Colours, back: Colours) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_fore` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `back` [INFO] [stdout] --> src/console.rs:204:50 [INFO] [stdout] | [INFO] [stdout] 204 | pub fn set_text_color (&self, fore: Colours, back: Colours) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_back` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/console.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | let mut text_attributes: u16 = 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: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FOCUS_EVENT` is never used [INFO] [stdout] --> src/console.rs:100:11 [INFO] [stdout] | [INFO] [stdout] 100 | pub const FOCUS_EVENT: u16 = 0x0010; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MENU_EVENT` is never used [INFO] [stdout] --> src/console.rs:102:11 [INFO] [stdout] | [INFO] [stdout] 102 | pub const MENU_EVENT: u16 = 0x0008; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `WINDOW_BUFFER_SIZE_EVENT` is never used [INFO] [stdout] --> src/console.rs:103:11 [INFO] [stdout] | [INFO] [stdout] 103 | pub const WINDOW_BUFFER_SIZE_EVENT: u16 = 0x0004; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Colours` is never used [INFO] [stdout] --> src/console.rs:116:10 [INFO] [stdout] | [INFO] [stdout] 116 | pub enum Colours { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FOREGROUND_BLUE` is never used [INFO] [stdout] --> src/console.rs:135:7 [INFO] [stdout] | [INFO] [stdout] 135 | const FOREGROUND_BLUE: u16 = 0x0001; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FOREGORUND_GREEN` is never used [INFO] [stdout] --> src/console.rs:136:7 [INFO] [stdout] | [INFO] [stdout] 136 | const FOREGORUND_GREEN: u16 = 0x0002; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FOREGROUND_RED` is never used [INFO] [stdout] --> src/console.rs:137:7 [INFO] [stdout] | [INFO] [stdout] 137 | const FOREGROUND_RED: u16 = 0x0004; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FOREGROUND_INTENSITY` is never used [INFO] [stdout] --> src/console.rs:138:7 [INFO] [stdout] | [INFO] [stdout] 138 | const FOREGROUND_INTENSITY: u16 = 0x0008; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BACKGROUND_BLUE` is never used [INFO] [stdout] --> src/console.rs:139:7 [INFO] [stdout] | [INFO] [stdout] 139 | const BACKGROUND_BLUE: u16 = 0x0010; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BACKGROUND_GREEN` is never used [INFO] [stdout] --> src/console.rs:140:7 [INFO] [stdout] | [INFO] [stdout] 140 | const BACKGROUND_GREEN: u16 = 0x0020; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BACKGROUND_RED` is never used [INFO] [stdout] --> src/console.rs:141:7 [INFO] [stdout] | [INFO] [stdout] 141 | const BACKGROUND_RED: u16 = 0x0040; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BACKGROUND_INTENSITY` is never used [INFO] [stdout] --> src/console.rs:142:7 [INFO] [stdout] | [INFO] [stdout] 142 | const BACKGROUND_INTENSITY: u16 = 0x0080; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_text_color` is never used [INFO] [stdout] --> src/console.rs:204:12 [INFO] [stdout] | [INFO] [stdout] 169 | impl Console { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 204 | pub fn set_text_color (&self, fore: Colours, back: Colours) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `M` is never used [INFO] [stdout] --> src/rand.rs:2:7 [INFO] [stdout] | [INFO] [stdout] 2 | const M: usize = 397; [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `index` is never read [INFO] [stdout] --> src/rand.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Rand { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 6 | mt: [u32; N], [INFO] [stdout] 7 | index: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_i32`, `get_i32_bounded`, `next`, `update`, and `twist` are never used [INFO] [stdout] --> src/rand.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Rand { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn get_i32 (&mut self) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn get_i32_bounded (&mut self, min: i32, max: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn next (&mut self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn update (&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn twist (&self, a: u32, b: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `state` and `rng` are never read [INFO] [stdout] --> src/mafia.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Game { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 19 | state: GameState, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | rng: rand::Rand, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "4f0401b207e1fb55b92ff279a59e633fde870055f99f83e0087ea7aef8b22a28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f0401b207e1fb55b92ff279a59e633fde870055f99f83e0087ea7aef8b22a28", kill_on_drop: false }` [INFO] [stdout] 4f0401b207e1fb55b92ff279a59e633fde870055f99f83e0087ea7aef8b22a28