Oct 12 18:33:06.517 INFO checking lazau/rust-irc-server against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 18:33:06.519 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 18:33:06.899 INFO blam! 711f58f49a1e436184e27e84592cec63aed1338ae02454fbab966371b8b8cca1
Oct 12 18:33:06.912 INFO running `"docker" "start" "-a" "711f58f49a1e436184e27e84592cec63aed1338ae02454fbab966371b8b8cca1"`
Oct 12 18:33:07.537 INFO kablam! usermod: no changes
Oct 12 18:33:07.694 INFO kablam!     Checking iovec v0.1.1
Oct 12 18:33:07.696 INFO kablam!     Checking hostname v0.1.3
Oct 12 18:33:07.697 INFO kablam!     Checking relay v0.1.0
Oct 12 18:33:07.698 INFO kablam!     Checking base64 v0.8.0
Oct 12 18:33:07.699 INFO kablam!     Checking futures-cpupool v0.1.7
Oct 12 18:33:07.699 INFO kablam!     Checking serde_yaml v0.7.3
Oct 12 18:33:07.699 INFO kablam!     Checking handlebars v0.29.1
Oct 12 18:33:08.620 INFO kablam!     Checking bytes v0.4.5
Oct 12 18:33:08.620 INFO kablam!     Checking mio v0.6.11
Oct 12 18:33:10.329 INFO kablam!     Checking tokio-io v0.1.3
Oct 12 18:33:11.607 INFO kablam!     Checking tokio-core v0.1.10
Oct 12 18:33:13.349 INFO kablam!     Checking tokio-proto v0.1.1
Oct 12 18:33:16.126 INFO kablam!     Checking hyper v0.11.9
Oct 12 18:33:21.585 INFO kablam!     Checking irc_server v0.1.0 (/source)
Oct 12 18:33:25.140 INFO kablam! warning: unused import: `futures::stream::*`
Oct 12 18:33:25.141 INFO kablam!  --> src/service/connection.rs:3:5
Oct 12 18:33:25.141 INFO kablam!   |
Oct 12 18:33:25.141 INFO kablam! 3 | use futures::stream::*;
Oct 12 18:33:25.142 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 18:33:25.142 INFO kablam!   |
Oct 12 18:33:25.142 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 18:33:25.143 INFO kablam! 
Oct 12 18:33:25.143 INFO kablam! warning: unused import: `futures::sink::*`
Oct 12 18:33:25.144 INFO kablam!  --> src/service/connection.rs:4:5
Oct 12 18:33:25.144 INFO kablam!   |
Oct 12 18:33:25.144 INFO kablam! 4 | use futures::sink::*;
Oct 12 18:33:25.145 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Oct 12 18:33:25.145 INFO kablam! 
Oct 12 18:33:25.145 INFO kablam! warning: unused import: `futures_cpupool::CpuPool`
Oct 12 18:33:25.145 INFO kablam!  --> src/service/connection.rs:6:5
Oct 12 18:33:25.146 INFO kablam!   |
Oct 12 18:33:25.146 INFO kablam! 6 | use futures_cpupool::CpuPool;
Oct 12 18:33:25.147 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:33:25.147 INFO kablam! 
Oct 12 18:33:25.147 INFO kablam! warning: unused import: `std::ops::Deref`
Oct 12 18:33:25.147 INFO kablam!   --> src/service/connection.rs:10:5
Oct 12 18:33:25.148 INFO kablam!    |
Oct 12 18:33:25.148 INFO kablam! 10 | use std::ops::Deref;
Oct 12 18:33:25.148 INFO kablam!    |     ^^^^^^^^^^^^^^^
Oct 12 18:33:25.149 INFO kablam! 
Oct 12 18:33:25.149 INFO kablam! warning: unused import: `user`
Oct 12 18:33:25.149 INFO kablam!   --> src/service/connection.rs:12:20
Oct 12 18:33:25.150 INFO kablam!    |
Oct 12 18:33:25.150 INFO kablam! 12 | use super::{codec, user};
Oct 12 18:33:25.150 INFO kablam!    |                    ^^^^
Oct 12 18:33:25.151 INFO kablam! 
Oct 12 18:33:25.151 INFO kablam! warning: unused import: `Channel`
Oct 12 18:33:25.151 INFO kablam!   --> src/service/connection.rs:16:69
Oct 12 18:33:25.152 INFO kablam!    |
Oct 12 18:33:25.152 INFO kablam! 16 | use super::channel::{Identifier as ChannelIdentifier, ChannelError, Channel};
Oct 12 18:33:25.152 INFO kablam!    |                                                                     ^^^^^^^
Oct 12 18:33:25.152 INFO kablam! 
Oct 12 18:33:25.153 INFO kablam! warning: unused import: `Message as UserMessage`
Oct 12 18:33:25.153 INFO kablam!   --> src/service/connection.rs:18:25
Oct 12 18:33:25.154 INFO kablam!    |
Oct 12 18:33:25.154 INFO kablam! 18 | use super::user::{User, Message as UserMessage, Identifier as UserIdentifier, UserMode, SetMode};
Oct 12 18:33:25.154 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:33:25.154 INFO kablam! 
Oct 12 18:33:25.155 INFO kablam! warning: unused imports: `SerializeSeq`, `self`
Oct 12 18:33:25.155 INFO kablam!  --> src/service/channel.rs:2:18
Oct 12 18:33:25.155 INFO kablam!   |
Oct 12 18:33:25.156 INFO kablam! 2 | use serde::ser::{self, SerializeSeq};
Oct 12 18:33:25.156 INFO kablam!   |                  ^^^^  ^^^^^^^^^^^^
Oct 12 18:33:25.156 INFO kablam! 
Oct 12 18:33:25.156 INFO kablam! warning: unused import: `std::cell::RefCell`
Oct 12 18:33:25.156 INFO kablam!  --> src/service/channel.rs:5:5
Oct 12 18:33:25.156 INFO kablam!   |
Oct 12 18:33:25.156 INFO kablam! 5 | use std::cell::RefCell;
Oct 12 18:33:25.156 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 18:33:25.156 INFO kablam! 
Oct 12 18:33:25.156 INFO kablam! warning: unused import: `Mutex`
Oct 12 18:33:25.156 INFO kablam!  --> src/service/channel.rs:6:22
Oct 12 18:33:25.156 INFO kablam!   |
Oct 12 18:33:25.156 INFO kablam! 6 | use std::sync::{Arc, Mutex};
Oct 12 18:33:25.158 INFO kablam!   |                      ^^^^^
Oct 12 18:33:25.158 INFO kablam! 
Oct 12 18:33:25.159 INFO kablam! warning: unused macro definition
Oct 12 18:33:25.159 INFO kablam!   --> src/service/channel.rs:54:1
Oct 12 18:33:25.159 INFO kablam!    |
Oct 12 18:33:25.160 INFO kablam! 54 | / macro_rules! send_log_err {
Oct 12 18:33:25.160 INFO kablam! 55 | |     ($tx:expr, $message:expr) => {
Oct 12 18:33:25.160 INFO kablam! 56 | |         match $tx.try_send($message) {
Oct 12 18:33:25.161 INFO kablam! 57 | |             Err(e) => debug!("Send error: {:?}.", e),
Oct 12 18:33:25.161 INFO kablam! ...  |
Oct 12 18:33:25.161 INFO kablam! 60 | |     }
Oct 12 18:33:25.162 INFO kablam! 61 | | }
Oct 12 18:33:25.162 INFO kablam!    | |_^
Oct 12 18:33:25.163 INFO kablam!    |
Oct 12 18:33:25.163 INFO kablam!    = note: #[warn(unused_macros)] on by default
Oct 12 18:33:25.163 INFO kablam! 
Oct 12 18:33:25.163 INFO kablam! warning: unused import: `futures::sync::mpsc`
Oct 12 18:33:25.164 INFO kablam!  --> src/service/user.rs:2:5
Oct 12 18:33:25.164 INFO kablam!   |
Oct 12 18:33:25.165 INFO kablam! 2 | use futures::sync::mpsc;
Oct 12 18:33:25.165 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 12 18:33:25.165 INFO kablam! 
Oct 12 18:33:25.165 INFO kablam! warning: unused import: `futures_cpupool::CpuPool`
Oct 12 18:33:25.166 INFO kablam!  --> src/service/user.rs:3:5
Oct 12 18:33:25.166 INFO kablam!   |
Oct 12 18:33:25.166 INFO kablam! 3 | use futures_cpupool::CpuPool;
Oct 12 18:33:25.166 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:33:25.166 INFO kablam! 
Oct 12 18:33:25.167 INFO kablam! warning: unused import: `HashMap`
Oct 12 18:33:25.167 INFO kablam!  --> src/service/user.rs:5:24
Oct 12 18:33:25.167 INFO kablam!   |
Oct 12 18:33:25.167 INFO kablam! 5 | use std::collections::{HashMap, HashSet};
Oct 12 18:33:25.167 INFO kablam!   |                        ^^^^^^^
Oct 12 18:33:25.167 INFO kablam! 
Oct 12 18:33:25.167 INFO kablam! warning: unused import: `responses as Responses`
Oct 12 18:33:25.167 INFO kablam!  --> src/service/user.rs:8:64
Oct 12 18:33:25.167 INFO kablam!   |
Oct 12 18:33:25.167 INFO kablam! 8 | use super::messages::commands::{Command, requests as Requests, responses as Responses};
Oct 12 18:33:25.167 INFO kablam!   |                                                                ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:33:25.167 INFO kablam! 
Oct 12 18:33:25.167 INFO kablam! warning: unused imports: `ChannelError`, `Channel`
Oct 12 18:33:25.167 INFO kablam!   --> src/service/user.rs:10:55
Oct 12 18:33:25.167 INFO kablam!    |
Oct 12 18:33:25.167 INFO kablam! 10 | use super::channel::{Identifier as ChannelIdentifier, ChannelError, Channel};
Oct 12 18:33:25.167 INFO kablam!    |                                                       ^^^^^^^^^^^^  ^^^^^^^
Oct 12 18:33:25.167 INFO kablam! 
Oct 12 18:33:25.167 INFO kablam! warning: unused macro definition
Oct 12 18:33:25.167 INFO kablam!    --> src/service/user.rs:119:1
Oct 12 18:33:25.167 INFO kablam!     |
Oct 12 18:33:25.167 INFO kablam! 119 | / macro_rules! send_log_err {
Oct 12 18:33:25.167 INFO kablam! 120 | |     ($tx:expr, $message:expr) => {
Oct 12 18:33:25.167 INFO kablam! 121 | |         match $tx.try_send($message) {
Oct 12 18:33:25.167 INFO kablam! 122 | |             Err(e) => debug!("Send error: {:?}.", e),
Oct 12 18:33:25.167 INFO kablam! ...   |
Oct 12 18:33:25.167 INFO kablam! 125 | |     }
Oct 12 18:33:25.167 INFO kablam! 126 | | }
Oct 12 18:33:25.167 INFO kablam!     | |_^
Oct 12 18:33:25.167 INFO kablam! 
Oct 12 18:33:25.220 INFO kablam! warning: unused import: `futures::stream::*`
Oct 12 18:33:25.220 INFO kablam!  --> src/service/connection.rs:3:5
Oct 12 18:33:25.220 INFO kablam!   |
Oct 12 18:33:25.220 INFO kablam! 3 | use futures::stream::*;
Oct 12 18:33:25.220 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 18:33:25.220 INFO kablam!   |
Oct 12 18:33:25.220 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 18:33:25.220 INFO kablam! 
Oct 12 18:33:25.220 INFO kablam! warning: unused import: `futures::sink::*`
Oct 12 18:33:25.220 INFO kablam!  --> src/service/connection.rs:4:5
Oct 12 18:33:25.220 INFO kablam!   |
Oct 12 18:33:25.220 INFO kablam! 4 | use futures::sink::*;
Oct 12 18:33:25.221 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Oct 12 18:33:25.221 INFO kablam! 
Oct 12 18:33:25.221 INFO kablam! warning: unused import: `futures_cpupool::CpuPool`
Oct 12 18:33:25.221 INFO kablam!  --> src/service/connection.rs:6:5
Oct 12 18:33:25.221 INFO kablam!   |
Oct 12 18:33:25.221 INFO kablam! 6 | use futures_cpupool::CpuPool;
Oct 12 18:33:25.221 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:33:25.221 INFO kablam! 
Oct 12 18:33:25.221 INFO kablam! warning: unused import: `std::ops::Deref`
Oct 12 18:33:25.221 INFO kablam!   --> src/service/connection.rs:10:5
Oct 12 18:33:25.221 INFO kablam!    |
Oct 12 18:33:25.221 INFO kablam! 10 | use std::ops::Deref;
Oct 12 18:33:25.221 INFO kablam!    |     ^^^^^^^^^^^^^^^
Oct 12 18:33:25.221 INFO kablam! 
Oct 12 18:33:25.221 INFO kablam! warning: unused import: `user`
Oct 12 18:33:25.221 INFO kablam!   --> src/service/connection.rs:12:20
Oct 12 18:33:25.221 INFO kablam!    |
Oct 12 18:33:25.221 INFO kablam! 12 | use super::{codec, user};
Oct 12 18:33:25.222 INFO kablam!    |                    ^^^^
Oct 12 18:33:25.222 INFO kablam! 
Oct 12 18:33:25.222 INFO kablam! warning: unused import: `Channel`
Oct 12 18:33:25.222 INFO kablam!   --> src/service/connection.rs:16:69
Oct 12 18:33:25.222 INFO kablam!    |
Oct 12 18:33:25.222 INFO kablam! 16 | use super::channel::{Identifier as ChannelIdentifier, ChannelError, Channel};
Oct 12 18:33:25.222 INFO kablam!    |                                                                     ^^^^^^^
Oct 12 18:33:25.222 INFO kablam! 
Oct 12 18:33:25.222 INFO kablam! warning: unused import: `Message as UserMessage`
Oct 12 18:33:25.222 INFO kablam!   --> src/service/connection.rs:18:25
Oct 12 18:33:25.222 INFO kablam!    |
Oct 12 18:33:25.222 INFO kablam! 18 | use super::user::{User, Message as UserMessage, Identifier as UserIdentifier, UserMode, SetMode};
Oct 12 18:33:25.222 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:33:25.222 INFO kablam! 
Oct 12 18:33:25.222 INFO kablam! warning: unused imports: `SerializeSeq`, `self`
Oct 12 18:33:25.222 INFO kablam!  --> src/service/channel.rs:2:18
Oct 12 18:33:25.222 INFO kablam!   |
Oct 12 18:33:25.222 INFO kablam! 2 | use serde::ser::{self, SerializeSeq};
Oct 12 18:33:25.222 INFO kablam!   |                  ^^^^  ^^^^^^^^^^^^
Oct 12 18:33:25.222 INFO kablam! 
Oct 12 18:33:25.222 INFO kablam! warning: unused import: `std::cell::RefCell`
Oct 12 18:33:25.222 INFO kablam!  --> src/service/channel.rs:5:5
Oct 12 18:33:25.222 INFO kablam!   |
Oct 12 18:33:25.222 INFO kablam! 5 | use std::cell::RefCell;
Oct 12 18:33:25.222 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 18:33:25.222 INFO kablam! 
Oct 12 18:33:25.222 INFO kablam! warning: unused import: `Mutex`
Oct 12 18:33:25.222 INFO kablam!  --> src/service/channel.rs:6:22
Oct 12 18:33:25.222 INFO kablam!   |
Oct 12 18:33:25.222 INFO kablam! 6 | use std::sync::{Arc, Mutex};
Oct 12 18:33:25.222 INFO kablam!   |                      ^^^^^
Oct 12 18:33:25.222 INFO kablam! 
Oct 12 18:33:25.222 INFO kablam! warning: unused macro definition
Oct 12 18:33:25.222 INFO kablam!   --> src/service/channel.rs:54:1
Oct 12 18:33:25.222 INFO kablam!    |
Oct 12 18:33:25.222 INFO kablam! 54 | / macro_rules! send_log_err {
Oct 12 18:33:25.222 INFO kablam! 55 | |     ($tx:expr, $message:expr) => {
Oct 12 18:33:25.222 INFO kablam! 56 | |         match $tx.try_send($message) {
Oct 12 18:33:25.222 INFO kablam! 57 | |             Err(e) => debug!("Send error: {:?}.", e),
Oct 12 18:33:25.222 INFO kablam! ...  |
Oct 12 18:33:25.222 INFO kablam! 60 | |     }
Oct 12 18:33:25.222 INFO kablam! 61 | | }
Oct 12 18:33:25.222 INFO kablam!    | |_^
Oct 12 18:33:25.222 INFO kablam!    |
Oct 12 18:33:25.222 INFO kablam!    = note: #[warn(unused_macros)] on by default
Oct 12 18:33:25.222 INFO kablam! 
Oct 12 18:33:25.223 INFO kablam! warning: unused import: `futures::sync::mpsc`
Oct 12 18:33:25.223 INFO kablam!  --> src/service/user.rs:2:5
Oct 12 18:33:25.223 INFO kablam!   |
Oct 12 18:33:25.223 INFO kablam! 2 | use futures::sync::mpsc;
Oct 12 18:33:25.223 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 12 18:33:25.223 INFO kablam! 
Oct 12 18:33:25.223 INFO kablam! warning: unused import: `futures_cpupool::CpuPool`
Oct 12 18:33:25.223 INFO kablam!  --> src/service/user.rs:3:5
Oct 12 18:33:25.223 INFO kablam!   |
Oct 12 18:33:25.223 INFO kablam! 3 | use futures_cpupool::CpuPool;
Oct 12 18:33:25.223 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:33:25.223 INFO kablam! 
Oct 12 18:33:25.223 INFO kablam! warning: unused import: `HashMap`
Oct 12 18:33:25.223 INFO kablam!  --> src/service/user.rs:5:24
Oct 12 18:33:25.223 INFO kablam!   |
Oct 12 18:33:25.223 INFO kablam! 5 | use std::collections::{HashMap, HashSet};
Oct 12 18:33:25.223 INFO kablam!   |                        ^^^^^^^
Oct 12 18:33:25.223 INFO kablam! 
Oct 12 18:33:25.223 INFO kablam! warning: unused import: `responses as Responses`
Oct 12 18:33:25.223 INFO kablam!  --> src/service/user.rs:8:64
Oct 12 18:33:25.223 INFO kablam!   |
Oct 12 18:33:25.223 INFO kablam! 8 | use super::messages::commands::{Command, requests as Requests, responses as Responses};
Oct 12 18:33:25.223 INFO kablam!   |                                                                ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:33:25.223 INFO kablam! 
Oct 12 18:33:25.223 INFO kablam! warning: unused imports: `ChannelError`, `Channel`
Oct 12 18:33:25.223 INFO kablam!   --> src/service/user.rs:10:55
Oct 12 18:33:25.223 INFO kablam!    |
Oct 12 18:33:25.223 INFO kablam! 10 | use super::channel::{Identifier as ChannelIdentifier, ChannelError, Channel};
Oct 12 18:33:25.223 INFO kablam!    |                                                       ^^^^^^^^^^^^  ^^^^^^^
Oct 12 18:33:25.223 INFO kablam! 
Oct 12 18:33:25.223 INFO kablam! warning: unused macro definition
Oct 12 18:33:25.223 INFO kablam!    --> src/service/user.rs:119:1
Oct 12 18:33:25.223 INFO kablam!     |
Oct 12 18:33:25.223 INFO kablam! 119 | / macro_rules! send_log_err {
Oct 12 18:33:25.223 INFO kablam! 120 | |     ($tx:expr, $message:expr) => {
Oct 12 18:33:25.223 INFO kablam! 121 | |         match $tx.try_send($message) {
Oct 12 18:33:25.223 INFO kablam! 122 | |             Err(e) => debug!("Send error: {:?}.", e),
Oct 12 18:33:25.223 INFO kablam! ...   |
Oct 12 18:33:25.223 INFO kablam! 125 | |     }
Oct 12 18:33:25.223 INFO kablam! 126 | | }
Oct 12 18:33:25.223 INFO kablam!     | |_^
Oct 12 18:33:25.223 INFO kablam! 
Oct 12 18:33:27.583 INFO kablam! warning: unused import: `futures`
Oct 12 18:33:27.583 INFO kablam!  --> src/service/user.rs:1:5
Oct 12 18:33:27.583 INFO kablam!   |
Oct 12 18:33:27.583 INFO kablam! 1 | use futures::*;
Oct 12 18:33:27.583 INFO kablam!   |     ^^^^^^^
Oct 12 18:33:27.583 INFO kablam! 
Oct 12 18:33:27.756 INFO kablam! warning: unused import: `futures`
Oct 12 18:33:27.756 INFO kablam!  --> src/service/user.rs:1:5
Oct 12 18:33:27.756 INFO kablam!   |
Oct 12 18:33:27.756 INFO kablam! 1 | use futures::*;
Oct 12 18:33:27.756 INFO kablam!   |     ^^^^^^^
Oct 12 18:33:27.756 INFO kablam! 
Oct 12 18:33:28.088 INFO kablam! warning: unused variable: `f`
Oct 12 18:33:28.088 INFO kablam!   --> src/service/shared_state.rs:22:19
Oct 12 18:33:28.088 INFO kablam!    |
Oct 12 18:33:28.088 INFO kablam! 22 |     fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
Oct 12 18:33:28.088 INFO kablam!    |                   ^ help: consider using `_f` instead
Oct 12 18:33:28.088 INFO kablam!    |
Oct 12 18:33:28.088 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 18:33:28.088 INFO kablam! 
Oct 12 18:33:28.088 INFO kablam! warning: unused variable: `e`
Oct 12 18:33:28.088 INFO kablam!    --> src/service/connection.rs:305:17
Oct 12 18:33:28.088 INFO kablam!     |
Oct 12 18:33:28.088 INFO kablam! 305 |             Err(e) => {
Oct 12 18:33:28.089 INFO kablam!     |                 ^ help: consider using `_e` instead
Oct 12 18:33:28.089 INFO kablam! 
Oct 12 18:33:28.092 INFO kablam! warning: unused variable: `mode_args`
Oct 12 18:33:28.092 INFO kablam!    --> src/service/connection.rs:420:31
Oct 12 18:33:28.092 INFO kablam!     |
Oct 12 18:33:28.092 INFO kablam! 420 |                               mode_args,
Oct 12 18:33:28.092 INFO kablam!     |                               ^^^^^^^^^ help: try ignoring the field: `mode_args: _`
Oct 12 18:33:28.092 INFO kablam! 
Oct 12 18:33:28.092 INFO kablam! warning: unused variable: `originator`
Oct 12 18:33:28.092 INFO kablam!    --> src/service/connection.rs:484:44
Oct 12 18:33:28.092 INFO kablam!     |
Oct 12 18:33:28.092 INFO kablam! 484 |             Command::PING(Requests::Ping { originator, target }) => {
Oct 12 18:33:28.092 INFO kablam!     |                                            ^^^^^^^^^^ help: try ignoring the field: `originator: _`
Oct 12 18:33:28.092 INFO kablam! 
Oct 12 18:33:28.094 INFO kablam! warning: unused variable: `f`
Oct 12 18:33:28.094 INFO kablam!   --> src/service/shared_state.rs:22:19
Oct 12 18:33:28.094 INFO kablam!    |
Oct 12 18:33:28.094 INFO kablam! 22 |     fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
Oct 12 18:33:28.094 INFO kablam!    |                   ^ help: consider using `_f` instead
Oct 12 18:33:28.094 INFO kablam!    |
Oct 12 18:33:28.094 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 18:33:28.094 INFO kablam! 
Oct 12 18:33:28.100 INFO kablam! warning: unused variable: `e`
Oct 12 18:33:28.100 INFO kablam!    --> src/service/connection.rs:305:17
Oct 12 18:33:28.100 INFO kablam!     |
Oct 12 18:33:28.100 INFO kablam! 305 |             Err(e) => {
Oct 12 18:33:28.100 INFO kablam!     |                 ^ help: consider using `_e` instead
Oct 12 18:33:28.100 INFO kablam! 
Oct 12 18:33:28.100 INFO kablam! warning: unused variable: `mode_args`
Oct 12 18:33:28.100 INFO kablam!    --> src/service/connection.rs:420:31
Oct 12 18:33:28.100 INFO kablam!     |
Oct 12 18:33:28.100 INFO kablam! 420 |                               mode_args,
Oct 12 18:33:28.100 INFO kablam!     |                               ^^^^^^^^^ help: try ignoring the field: `mode_args: _`
Oct 12 18:33:28.100 INFO kablam! 
Oct 12 18:33:28.100 INFO kablam! warning: unused variable: `originator`
Oct 12 18:33:28.100 INFO kablam!    --> src/service/connection.rs:484:44
Oct 12 18:33:28.100 INFO kablam!     |
Oct 12 18:33:28.100 INFO kablam! 484 |             Command::PING(Requests::Ping { originator, target }) => {
Oct 12 18:33:28.100 INFO kablam!     |                                            ^^^^^^^^^^ help: try ignoring the field: `originator: _`
Oct 12 18:33:28.100 INFO kablam! 
Oct 12 18:33:29.184 INFO kablam! warning: variant is never constructed: `I`
Oct 12 18:33:29.184 INFO kablam!   --> src/service/messages/mod.rs:88:5
Oct 12 18:33:29.184 INFO kablam!    |
Oct 12 18:33:29.184 INFO kablam! 88 |     I,
Oct 12 18:33:29.184 INFO kablam!    |     ^
Oct 12 18:33:29.184 INFO kablam!    |
Oct 12 18:33:29.184 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 18:33:29.184 INFO kablam! 
Oct 12 18:33:29.184 INFO kablam! warning: variant is never constructed: `S`
Oct 12 18:33:29.184 INFO kablam!   --> src/service/messages/mod.rs:89:5
Oct 12 18:33:29.184 INFO kablam!    |
Oct 12 18:33:29.184 INFO kablam! 89 |     S,
Oct 12 18:33:29.184 INFO kablam!    |     ^
Oct 12 18:33:29.184 INFO kablam! 
Oct 12 18:33:29.184 INFO kablam! warning: variant is never constructed: `W`
Oct 12 18:33:29.184 INFO kablam!   --> src/service/messages/mod.rs:90:5
Oct 12 18:33:29.184 INFO kablam!    |
Oct 12 18:33:29.184 INFO kablam! 90 |     W,
Oct 12 18:33:29.184 INFO kablam!    |     ^
Oct 12 18:33:29.184 INFO kablam! 
Oct 12 18:33:29.184 INFO kablam! warning: variant is never constructed: `O`
Oct 12 18:33:29.184 INFO kablam!   --> src/service/messages/mod.rs:91:5
Oct 12 18:33:29.184 INFO kablam!    |
Oct 12 18:33:29.184 INFO kablam! 91 |     O,
Oct 12 18:33:29.184 INFO kablam!    |     ^
Oct 12 18:33:29.184 INFO kablam! 
Oct 12 18:33:29.184 INFO kablam! warning: variant is never constructed: `Server`
Oct 12 18:33:29.184 INFO kablam!   --> src/service/connection.rs:36:5
Oct 12 18:33:29.184 INFO kablam!    |
Oct 12 18:33:29.184 INFO kablam! 36 |     Server, // unimplemented.
Oct 12 18:33:29.184 INFO kablam!    |     ^^^^^^
Oct 12 18:33:29.184 INFO kablam! 
Oct 12 18:33:29.340 INFO kablam! warning: variant is never constructed: `I`
Oct 12 18:33:29.340 INFO kablam!   --> src/service/messages/mod.rs:88:5
Oct 12 18:33:29.340 INFO kablam!    |
Oct 12 18:33:29.340 INFO kablam! 88 |     I,
Oct 12 18:33:29.340 INFO kablam!    |     ^
Oct 12 18:33:29.340 INFO kablam!    |
Oct 12 18:33:29.340 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 18:33:29.341 INFO kablam! 
Oct 12 18:33:29.341 INFO kablam! warning: variant is never constructed: `S`
Oct 12 18:33:29.341 INFO kablam!   --> src/service/messages/mod.rs:89:5
Oct 12 18:33:29.341 INFO kablam!    |
Oct 12 18:33:29.341 INFO kablam! 89 |     S,
Oct 12 18:33:29.341 INFO kablam!    |     ^
Oct 12 18:33:29.341 INFO kablam! 
Oct 12 18:33:29.341 INFO kablam! warning: variant is never constructed: `W`
Oct 12 18:33:29.341 INFO kablam!   --> src/service/messages/mod.rs:90:5
Oct 12 18:33:29.341 INFO kablam!    |
Oct 12 18:33:29.341 INFO kablam! 90 |     W,
Oct 12 18:33:29.341 INFO kablam!    |     ^
Oct 12 18:33:29.341 INFO kablam! 
Oct 12 18:33:29.341 INFO kablam! warning: variant is never constructed: `O`
Oct 12 18:33:29.341 INFO kablam!   --> src/service/messages/mod.rs:91:5
Oct 12 18:33:29.341 INFO kablam!    |
Oct 12 18:33:29.341 INFO kablam! 91 |     O,
Oct 12 18:33:29.341 INFO kablam!    |     ^
Oct 12 18:33:29.341 INFO kablam! 
Oct 12 18:33:29.341 INFO kablam! warning: variant is never constructed: `Server`
Oct 12 18:33:29.342 INFO kablam!   --> src/service/connection.rs:36:5
Oct 12 18:33:29.342 INFO kablam!    |
Oct 12 18:33:29.342 INFO kablam! 36 |     Server, // unimplemented.
Oct 12 18:33:29.342 INFO kablam!    |     ^^^^^^
Oct 12 18:33:29.342 INFO kablam! 
Oct 12 18:33:33.021 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 25.47s
Oct 12 18:33:33.034 INFO kablam! su: No module specific data is present
Oct 12 18:33:33.813 INFO running `"docker" "rm" "-f" "711f58f49a1e436184e27e84592cec63aed1338ae02454fbab966371b8b8cca1"`
Oct 12 18:33:33.920 INFO blam! 711f58f49a1e436184e27e84592cec63aed1338ae02454fbab966371b8b8cca1