[INFO] cloning repository https://github.com/ITALIA195/amongus-discord
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ITALIA195/amongus-discord" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FITALIA195%2Famongus-discord", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FITALIA195%2Famongus-discord'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2b08cfb78c29ec80b3939ce778e376bbc7de8b5
[INFO] testing ITALIA195/amongus-discord against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FITALIA195%2Famongus-discord" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ITALIA195/amongus-discord on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ITALIA195/amongus-discord
[INFO] finished tweaking git repo https://github.com/ITALIA195/amongus-discord
[INFO] tweaked toml for git repo https://github.com/ITALIA195/amongus-discord written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ITALIA195/amongus-discord already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 927da43a587d8dddf323705705b205a67351653377d1e6b6191719db9d58ca39
[INFO] running `Command { std: "docker" "start" "-a" "927da43a587d8dddf323705705b205a67351653377d1e6b6191719db9d58ca39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "927da43a587d8dddf323705705b205a67351653377d1e6b6191719db9d58ca39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927da43a587d8dddf323705705b205a67351653377d1e6b6191719db9d58ca39", kill_on_drop: false }`
[INFO] [stdout] 927da43a587d8dddf323705705b205a67351653377d1e6b6191719db9d58ca39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e061f64ef1e3f7217a79bd56067122c18275d5b1ae2e0d25135b4090e509596
[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" "1e061f64ef1e3f7217a79bd56067122c18275d5b1ae2e0d25135b4090e509596", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling zeroize v1.1.1
[INFO] [stderr]    Compiling serenity v0.9.0-rc.1
[INFO] [stderr]    Compiling typemap_rev v0.1.3
[INFO] [stderr]    Compiling uwl v0.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling tracing-core v0.1.16
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling audiopus_sys v0.1.7
[INFO] [stderr]    Compiling stream-cipher v0.4.1
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling sha-1 v0.9.1
[INFO] [stderr]    Compiling poly1305 v0.6.0
[INFO] [stderr]    Compiling salsa20 v0.5.2
[INFO] [stderr]    Compiling audiopus v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling xsalsa20poly1305 v0.4.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling webpki-roots v0.19.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling command_attr v0.3.0-rc.1
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-rustls v0.14.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling async-tls v0.9.0
[INFO] [stderr]    Compiling async-tungstenite v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling hyper v0.13.8
[INFO] [stderr]    Compiling hyper-rustls v0.21.0
[INFO] [stderr]    Compiling reqwest v0.10.8
[INFO] [stderr]    Compiling amongus-discord v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `set_mute`
[INFO] [stdout]  --> src/commands/muteall.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::helpers::{set_mute, set_mute_channel_members};
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Member`, `utils::MessageBuilder`
[INFO] [stdout]   --> src/commands/muteall.rs:4:24
[INFO] [stdout]    |
[INFO] [stdout] 4  |         guild::{Guild, Member},
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     utils::MessageBuilder,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `set_mute_channel_members`
[INFO] [stdout]  --> src/commands/unmuteall.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::helpers::{set_mute, set_mute_channel_members};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChannelId`
[INFO] [stdout]  --> src/commands/unmuteall.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |         id::{ChannelId},
[INFO] [stdout]   |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old`
[INFO] [stdout]   --> src/core.rs:26:74
[INFO] [stdout]    |
[INFO] [stdout] 26 |     async fn voice_state_update(&self, ctx: Context, _: Option<GuildId>, old: Option<VoiceState>, new: VoiceState) {
[INFO] [stdout]    |                                                                          ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]   --> src/core.rs:26:99
[INFO] [stdout]    |
[INFO] [stdout] 26 |     async fn voice_state_update(&self, ctx: Context, _: Option<GuildId>, old: Option<VoiceState>, new: VoiceState) {
[INFO] [stdout]    |                                                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `muted_users`
[INFO] [stdout]   --> src/core.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let muted_users = data.get::<MutedUsersTracker>().expect("Expected MutedUsersTracker in TypeMap.");
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_muted_users`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MuteError`
[INFO] [stdout]   --> src/helpers.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum MuteError {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 59s
[INFO] running `Command { std: "docker" "inspect" "1e061f64ef1e3f7217a79bd56067122c18275d5b1ae2e0d25135b4090e509596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e061f64ef1e3f7217a79bd56067122c18275d5b1ae2e0d25135b4090e509596", kill_on_drop: false }`
[INFO] [stdout] 1e061f64ef1e3f7217a79bd56067122c18275d5b1ae2e0d25135b4090e509596
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5a0a1a7befa1865de4cbbe866a085869593205137abf4fe6c7c0e93e08502d1
[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" "d5a0a1a7befa1865de4cbbe866a085869593205137abf4fe6c7c0e93e08502d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling amongus-discord v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `set_mute`
[INFO] [stdout]  --> src/commands/muteall.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::helpers::{set_mute, set_mute_channel_members};
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Member`, `utils::MessageBuilder`
[INFO] [stdout]   --> src/commands/muteall.rs:4:24
[INFO] [stdout]    |
[INFO] [stdout] 4  |         guild::{Guild, Member},
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     utils::MessageBuilder,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `set_mute_channel_members`
[INFO] [stdout]  --> src/commands/unmuteall.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::helpers::{set_mute, set_mute_channel_members};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChannelId`
[INFO] [stdout]  --> src/commands/unmuteall.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |         id::{ChannelId},
[INFO] [stdout]   |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old`
[INFO] [stdout]   --> src/core.rs:26:74
[INFO] [stdout]    |
[INFO] [stdout] 26 |     async fn voice_state_update(&self, ctx: Context, _: Option<GuildId>, old: Option<VoiceState>, new: VoiceState) {
[INFO] [stdout]    |                                                                          ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]   --> src/core.rs:26:99
[INFO] [stdout]    |
[INFO] [stdout] 26 |     async fn voice_state_update(&self, ctx: Context, _: Option<GuildId>, old: Option<VoiceState>, new: VoiceState) {
[INFO] [stdout]    |                                                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `muted_users`
[INFO] [stdout]   --> src/core.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let muted_users = data.get::<MutedUsersTracker>().expect("Expected MutedUsersTracker in TypeMap.");
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_muted_users`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MuteError`
[INFO] [stdout]   --> src/helpers.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum MuteError {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.08s
[INFO] running `Command { std: "docker" "inspect" "d5a0a1a7befa1865de4cbbe866a085869593205137abf4fe6c7c0e93e08502d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a0a1a7befa1865de4cbbe866a085869593205137abf4fe6c7c0e93e08502d1", kill_on_drop: false }`
[INFO] [stdout] d5a0a1a7befa1865de4cbbe866a085869593205137abf4fe6c7c0e93e08502d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 642e87417ad0ea5daa6344e1bc92293842fcf304c08d74f7371510f775613004
[INFO] running `Command { std: "docker" "start" "-a" "642e87417ad0ea5daa6344e1bc92293842fcf304c08d74f7371510f775613004", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `set_mute`
[INFO] [stderr]  --> src/commands/muteall.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::helpers::{set_mute, set_mute_channel_members};
[INFO] [stderr]   |                      ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Member`, `utils::MessageBuilder`
[INFO] [stderr]   --> src/commands/muteall.rs:4:24
[INFO] [stderr]    |
[INFO] [stderr] 4  |         guild::{Guild, Member},
[INFO] [stderr]    |                        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     utils::MessageBuilder,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `set_mute_channel_members`
[INFO] [stderr]  --> src/commands/unmuteall.rs:1:32
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::helpers::{set_mute, set_mute_channel_members};
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ChannelId`
[INFO] [stderr]  --> src/commands/unmuteall.rs:6:14
[INFO] [stderr]   |
[INFO] [stderr] 6 |         id::{ChannelId},
[INFO] [stderr]   |              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `old`
[INFO] [stderr]   --> src/core.rs:26:74
[INFO] [stderr]    |
[INFO] [stderr] 26 |     async fn voice_state_update(&self, ctx: Context, _: Option<GuildId>, old: Option<VoiceState>, new: VoiceState) {
[INFO] [stderr]    |                                                                          ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new`
[INFO] [stderr]   --> src/core.rs:26:99
[INFO] [stderr]    |
[INFO] [stderr] 26 |     async fn voice_state_update(&self, ctx: Context, _: Option<GuildId>, old: Option<VoiceState>, new: VoiceState) {
[INFO] [stderr]    |                                                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `muted_users`
[INFO] [stderr]   --> src/core.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let muted_users = data.get::<MutedUsersTracker>().expect("Expected MutedUsersTracker in TypeMap.");
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_muted_users`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `MuteError`
[INFO] [stderr]   --> src/helpers.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum MuteError {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/amongus_discord-1b60006cd42bcf69
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "642e87417ad0ea5daa6344e1bc92293842fcf304c08d74f7371510f775613004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642e87417ad0ea5daa6344e1bc92293842fcf304c08d74f7371510f775613004", kill_on_drop: false }`
[INFO] [stdout] 642e87417ad0ea5daa6344e1bc92293842fcf304c08d74f7371510f775613004
