[INFO] cloning repository https://github.com/Muirrum/serenity-bot-template
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Muirrum/serenity-bot-template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuirrum%2Fserenity-bot-template", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuirrum%2Fserenity-bot-template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b69d86e5de519fdfca80bd3d7ae291b9e8cf8e3f
[INFO] testing Muirrum/serenity-bot-template against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuirrum%2Fserenity-bot-template" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Muirrum/serenity-bot-template 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/Muirrum/serenity-bot-template
[INFO] finished tweaking git repo https://github.com/Muirrum/serenity-bot-template
[INFO] tweaked toml for git repo https://github.com/Muirrum/serenity-bot-template written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Muirrum/serenity-bot-template 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] d09af2c61924864c2cd3e686e0b18e01b34b43a8bbdc01328d345e4691a3e878
[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" "d09af2c61924864c2cd3e686e0b18e01b34b43a8bbdc01328d345e4691a3e878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d09af2c61924864c2cd3e686e0b18e01b34b43a8bbdc01328d345e4691a3e878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09af2c61924864c2cd3e686e0b18e01b34b43a8bbdc01328d345e4691a3e878", kill_on_drop: false }`
[INFO] [stdout] d09af2c61924864c2cd3e686e0b18e01b34b43a8bbdc01328d345e4691a3e878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5a4324e1c4357e43779e36a28695ab4c5bcaa85e79bb6521896425d095c2123
[INFO] running `Command { std: "docker" "start" "-a" "e5a4324e1c4357e43779e36a28695ab4c5bcaa85e79bb6521896425d095c2123", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling serenity v0.9.0-rc.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling typemap_rev v0.1.3
[INFO] [stderr]    Compiling uwl v0.6.0
[INFO] [stderr]    Compiling kankyo v0.3.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.15
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tungstenite v0.10.1
[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 v0.17.0
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling webpki-roots v0.19.0
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling command_attr v0.3.0-rc.0
[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 v0.14.0
[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 v0.6.0
[INFO] [stderr]    Compiling async-tungstenite v0.4.2
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling hyper-rustls v0.21.0
[INFO] [stderr]    Compiling reqwest v0.10.8
[INFO] [stderr]    Compiling serenity-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Activity`, `ChannelId`, `GuildId`, `Guild`, `Member`, `OnlineStatus`, `Reaction`, `User`
[INFO] [stdout]   --> src/main.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |         channel::{Message, Reaction},
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout] 19 |         gateway::{Activity, Ready},
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 20 |         guild::{Guild, Member},
[INFO] [stdout]    |                 ^^^^^  ^^^^^^
[INFO] [stdout] 21 |         id::{ChannelId, GuildId, UserId},
[INFO] [stdout]    |              ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 22 |         user::{OnlineStatus, User},
[INFO] [stdout]    |                ^^^^^^^^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GuildId`, `RoleId`
[INFO] [stdout]   --> src/checks/mod.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |         id::{GuildId, RoleId},
[INFO] [stdout]    |              ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ChannelId`, `GuildId`, `InviteGuild`, `Invite`, `guild::Guild`, `guild::PartialGuild`, `http::GuildPagination`
[INFO] [stdout]   --> src/commands/general.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |     http::GuildPagination,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     model::{
[INFO] [stdout] 10 |         guild::Guild,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 11 |         guild::PartialGuild,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |         id::{ChannelId, GuildId},
[INFO] [stdout]    |              ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 13 |         invite::{Invite, InviteGuild},
[INFO] [stdout]    |                  ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/main.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |     async fn ready(&self, ctx: Context, ready: Ready) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 Err(err) => error!("Error sending invalid context msg to {}", &msg.author.name),
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stri`
[INFO] [stdout]    --> src/main.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |         CommandDisabled(stri) => {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_stri`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:111:24
[INFO] [stdout]     |
[INFO] [stdout] 111 |             if let Err(err) = msg
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `disabled_commands`
[INFO] [stdout]    --> src/main.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut disabled_commands: HashSet<String> = HashSet::new();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_disabled_commands`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut disabled_commands: HashSet<String> = HashSet::new();
[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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 43s
[INFO] running `Command { std: "docker" "inspect" "e5a4324e1c4357e43779e36a28695ab4c5bcaa85e79bb6521896425d095c2123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a4324e1c4357e43779e36a28695ab4c5bcaa85e79bb6521896425d095c2123", kill_on_drop: false }`
[INFO] [stdout] e5a4324e1c4357e43779e36a28695ab4c5bcaa85e79bb6521896425d095c2123
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8fae49e5f18c680c5d9c89067d53dd058b8243a6ac5c83d645aa8e90fd47238e
[INFO] running `Command { std: "docker" "start" "-a" "8fae49e5f18c680c5d9c89067d53dd058b8243a6ac5c83d645aa8e90fd47238e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serenity-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Activity`, `ChannelId`, `GuildId`, `Guild`, `Member`, `OnlineStatus`, `Reaction`, `User`
[INFO] [stdout]   --> src/main.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |         channel::{Message, Reaction},
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout] 19 |         gateway::{Activity, Ready},
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 20 |         guild::{Guild, Member},
[INFO] [stdout]    |                 ^^^^^  ^^^^^^
[INFO] [stdout] 21 |         id::{ChannelId, GuildId, UserId},
[INFO] [stdout]    |              ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 22 |         user::{OnlineStatus, User},
[INFO] [stdout]    |                ^^^^^^^^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GuildId`, `RoleId`
[INFO] [stdout]   --> src/checks/mod.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |         id::{GuildId, RoleId},
[INFO] [stdout]    |              ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ChannelId`, `GuildId`, `InviteGuild`, `Invite`, `guild::Guild`, `guild::PartialGuild`, `http::GuildPagination`
[INFO] [stdout]   --> src/commands/general.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |     http::GuildPagination,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     model::{
[INFO] [stdout] 10 |         guild::Guild,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 11 |         guild::PartialGuild,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |         id::{ChannelId, GuildId},
[INFO] [stdout]    |              ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 13 |         invite::{Invite, InviteGuild},
[INFO] [stdout]    |                  ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/main.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |     async fn ready(&self, ctx: Context, ready: Ready) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 Err(err) => error!("Error sending invalid context msg to {}", &msg.author.name),
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stri`
[INFO] [stdout]    --> src/main.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |         CommandDisabled(stri) => {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_stri`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:111:24
[INFO] [stdout]     |
[INFO] [stdout] 111 |             if let Err(err) = msg
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `disabled_commands`
[INFO] [stdout]    --> src/main.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut disabled_commands: HashSet<String> = HashSet::new();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_disabled_commands`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut disabled_commands: HashSet<String> = HashSet::new();
[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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.35s
[INFO] running `Command { std: "docker" "inspect" "8fae49e5f18c680c5d9c89067d53dd058b8243a6ac5c83d645aa8e90fd47238e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fae49e5f18c680c5d9c89067d53dd058b8243a6ac5c83d645aa8e90fd47238e", kill_on_drop: false }`
[INFO] [stdout] 8fae49e5f18c680c5d9c89067d53dd058b8243a6ac5c83d645aa8e90fd47238e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 92515b584dd3fa4a84882834d5a0e138dfedd9194f935b0525fbb022ea4f6ed8
[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" "92515b584dd3fa4a84882834d5a0e138dfedd9194f935b0525fbb022ea4f6ed8", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Activity`, `ChannelId`, `GuildId`, `Guild`, `Member`, `OnlineStatus`, `Reaction`, `User`
[INFO] [stderr]   --> src/main.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |         channel::{Message, Reaction},
[INFO] [stderr]    |                            ^^^^^^^^
[INFO] [stderr] 19 |         gateway::{Activity, Ready},
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr] 20 |         guild::{Guild, Member},
[INFO] [stderr]    |                 ^^^^^  ^^^^^^
[INFO] [stderr] 21 |         id::{ChannelId, GuildId, UserId},
[INFO] [stderr]    |              ^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 22 |         user::{OnlineStatus, User},
[INFO] [stderr]    |                ^^^^^^^^^^^^  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GuildId`, `RoleId`
[INFO] [stderr]   --> src/checks/mod.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 11 |         id::{GuildId, RoleId},
[INFO] [stderr]    |              ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ChannelId`, `GuildId`, `InviteGuild`, `Invite`, `guild::Guild`, `guild::PartialGuild`, `http::GuildPagination`
[INFO] [stderr]   --> src/commands/general.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  |     http::GuildPagination,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 9  |     model::{
[INFO] [stderr] 10 |         guild::Guild,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 11 |         guild::PartialGuild,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 12 |         id::{ChannelId, GuildId},
[INFO] [stderr]    |              ^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 13 |         invite::{Invite, InviteGuild},
[INFO] [stderr]    |                  ^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/main.rs:54:27
[INFO] [stderr]    |
[INFO] [stderr] 54 |     async fn ready(&self, ctx: Context, ready: Ready) {
[INFO] [stderr]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/main.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 Err(err) => error!("Error sending invalid context msg to {}", &msg.author.name),
[INFO] [stderr]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stri`
[INFO] [stderr]    --> src/main.rs:110:25
[INFO] [stderr]     |
[INFO] [stderr] 110 |         CommandDisabled(stri) => {
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_stri`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/main.rs:111:24
[INFO] [stderr]     |
[INFO] [stderr] 111 |             if let Err(err) = msg
[INFO] [stderr]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `disabled_commands`
[INFO] [stderr]    --> src/main.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |     let mut disabled_commands: HashSet<String> = HashSet::new();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_disabled_commands`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |     let mut disabled_commands: HashSet<String> = HashSet::new();
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serenity_template-bc6ed4ec1d52d942
[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" "92515b584dd3fa4a84882834d5a0e138dfedd9194f935b0525fbb022ea4f6ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92515b584dd3fa4a84882834d5a0e138dfedd9194f935b0525fbb022ea4f6ed8", kill_on_drop: false }`
[INFO] [stdout] 92515b584dd3fa4a84882834d5a0e138dfedd9194f935b0525fbb022ea4f6ed8
