[INFO] cloning repository https://github.com/MarcDwyer/tmi_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcDwyer/tmi_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcDwyer%2Ftmi_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcDwyer%2Ftmi_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7649dfcaa924e50bb18ed9cab1b7cae6391d64d
[INFO] testing MarcDwyer/tmi_rust against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcDwyer%2Ftmi_rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarcDwyer/tmi_rust on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarcDwyer/tmi_rust
[INFO] finished tweaking git repo https://github.com/MarcDwyer/tmi_rust
[INFO] tweaked toml for git repo https://github.com/MarcDwyer/tmi_rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/MarcDwyer/tmi_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 618e2c56a787f0e98318a51308b47a780d22171e2ca0fe99f0cd7b9b586fd99c
[INFO] running `Command { std: "docker" "start" "-a" "618e2c56a787f0e98318a51308b47a780d22171e2ca0fe99f0cd7b9b586fd99c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "618e2c56a787f0e98318a51308b47a780d22171e2ca0fe99f0cd7b9b586fd99c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "618e2c56a787f0e98318a51308b47a780d22171e2ca0fe99f0cd7b9b586fd99c", kill_on_drop: false }`
[INFO] [stdout] 618e2c56a787f0e98318a51308b47a780d22171e2ca0fe99f0cd7b9b586fd99c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33817f0cb05b5a02b7c9146c4d3f7c7251039f71c11ec6306a6dc70ab1fb58a7
[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" "33817f0cb05b5a02b7c9146c4d3f7c7251039f71c11ec6306a6dc70ab1fb58a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling irc_message v1.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-tls v0.2.1
[INFO] [stderr]    Compiling websocket-base v0.26.2
[INFO] [stderr]    Compiling websocket v0.26.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tmi_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tx_main`
[INFO] [stdout]   --> src/twitch_chat.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let (tx_main, rx_main): (Sender<String>, Receiver<String>) = channel();
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_main`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send_loop`
[INFO] [stdout]   --> src/twitch_chat.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let send_loop = thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receive_loop`
[INFO] [stdout]   --> src/twitch_chat.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let receive_loop = thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receive_loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> src/parser.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut position: usize = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `next_space` is never read
[INFO] [stdout]   --> src/parser.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut next_space: usize = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_msg`
[INFO] [stdout]   --> src/parser.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut t_msg = TwitchMessage::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_t_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]   --> src/parser.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let ch = data.char_indices();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kv`
[INFO] [stdout]   --> src/parser.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             let kv = tag.split("=");
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_kv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx_main`
[INFO] [stdout]   --> src/twitch_chat.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let (tx_main, rx_main): (Sender<String>, Receiver<String>) = channel();
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_main`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send_loop`
[INFO] [stdout]   --> src/twitch_chat.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let send_loop = thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receive_loop`
[INFO] [stdout]   --> src/twitch_chat.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let receive_loop = thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receive_loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut position: usize = 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: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut t_msg = TwitchMessage::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Commands`
[INFO] [stdout]  --> src/parser.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Commands {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TwitchMessage`
[INFO] [stdout]   --> src/parser.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct TwitchMessage {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parser.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parcer`
[INFO] [stdout]   --> src/parser.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn parcer(data: String) -> Option<TwitchMessage> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "33817f0cb05b5a02b7c9146c4d3f7c7251039f71c11ec6306a6dc70ab1fb58a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33817f0cb05b5a02b7c9146c4d3f7c7251039f71c11ec6306a6dc70ab1fb58a7", kill_on_drop: false }`
[INFO] [stdout] 33817f0cb05b5a02b7c9146c4d3f7c7251039f71c11ec6306a6dc70ab1fb58a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad954870da3cb987474f169a0be0fde614a782d530651cc733ad878ad31a73a2
[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" "ad954870da3cb987474f169a0be0fde614a782d530651cc733ad878ad31a73a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused variable: `tx_main`
[INFO] [stdout]   --> src/twitch_chat.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let (tx_main, rx_main): (Sender<String>, Receiver<String>) = channel();
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_main`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tmi_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `send_loop`
[INFO] [stdout]   --> src/twitch_chat.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let send_loop = thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receive_loop`
[INFO] [stdout]   --> src/twitch_chat.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let receive_loop = thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receive_loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx_main`
[INFO] [stdout]   --> src/twitch_chat.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let (tx_main, rx_main): (Sender<String>, Receiver<String>) = channel();
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_main`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send_loop`
[INFO] [stdout]   --> src/twitch_chat.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let send_loop = thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receive_loop`
[INFO] [stdout]   --> src/twitch_chat.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let receive_loop = thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receive_loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> src/parser.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut position: usize = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `next_space` is never read
[INFO] [stdout]   --> src/parser.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut next_space: usize = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_msg`
[INFO] [stdout]   --> src/parser.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut t_msg = TwitchMessage::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_t_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]   --> src/parser.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let ch = data.char_indices();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kv`
[INFO] [stdout]   --> src/parser.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             let kv = tag.split("=");
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_kv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx_main`
[INFO] [stdout]   --> src/twitch_chat.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let (tx_main, rx_main): (Sender<String>, Receiver<String>) = channel();
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_main`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send_loop`
[INFO] [stdout]   --> src/twitch_chat.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let send_loop = thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receive_loop`
[INFO] [stdout]   --> src/twitch_chat.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let receive_loop = thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receive_loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut position: usize = 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: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut t_msg = TwitchMessage::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Commands`
[INFO] [stdout]  --> src/parser.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Commands {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TwitchMessage`
[INFO] [stdout]   --> src/parser.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct TwitchMessage {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parser.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parcer`
[INFO] [stdout]   --> src/parser.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn parcer(data: String) -> Option<TwitchMessage> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "ad954870da3cb987474f169a0be0fde614a782d530651cc733ad878ad31a73a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad954870da3cb987474f169a0be0fde614a782d530651cc733ad878ad31a73a2", kill_on_drop: false }`
[INFO] [stdout] ad954870da3cb987474f169a0be0fde614a782d530651cc733ad878ad31a73a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99412f3df6f1dda0bb24a0fe4369fd92e077662dc2d39d75d337fbb75d02b945
[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" "99412f3df6f1dda0bb24a0fe4369fd92e077662dc2d39d75d337fbb75d02b945", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `tx_main`
[INFO] [stderr]   --> src/twitch_chat.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let (tx_main, rx_main): (Sender<String>, Receiver<String>) = channel();
[INFO] [stderr]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_main`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `send_loop`
[INFO] [stderr]   --> src/twitch_chat.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let send_loop = thread::spawn(move || {
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_loop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `receive_loop`
[INFO] [stderr]   --> src/twitch_chat.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let receive_loop = thread::spawn(move || {
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receive_loop`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx_main`
[INFO] [stderr]   --> src/twitch_chat.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let (tx_main, rx_main): (Sender<String>, Receiver<String>) = channel();
[INFO] [stderr]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_main`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `send_loop`
[INFO] [stderr]   --> src/twitch_chat.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let send_loop = thread::spawn(move || {
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_loop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `receive_loop`
[INFO] [stderr]   --> src/twitch_chat.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let receive_loop = thread::spawn(move || {
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receive_loop`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `position`
[INFO] [stderr]   --> src/parser.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut position: usize = 0;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `next_space` is never read
[INFO] [stderr]   --> src/parser.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let mut next_space: usize = 0;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_msg`
[INFO] [stderr]   --> src/parser.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut t_msg = TwitchMessage::new();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_t_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ch`
[INFO] [stderr]   --> src/parser.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let ch = data.char_indices();
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kv`
[INFO] [stderr]   --> src/parser.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |             let kv = tag.split("=");
[INFO] [stderr]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_kv`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx_main`
[INFO] [stderr]   --> src/twitch_chat.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let (tx_main, rx_main): (Sender<String>, Receiver<String>) = channel();
[INFO] [stderr]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_main`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `send_loop`
[INFO] [stderr]   --> src/twitch_chat.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let send_loop = thread::spawn(move || {
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_loop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `receive_loop`
[INFO] [stderr]   --> src/twitch_chat.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let receive_loop = thread::spawn(move || {
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receive_loop`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut position: usize = 0;
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut t_msg = TwitchMessage::new();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Commands`
[INFO] [stderr]  --> src/parser.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum Commands {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TwitchMessage`
[INFO] [stderr]   --> src/parser.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct TwitchMessage {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/parser.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parcer`
[INFO] [stderr]   --> src/parser.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn parcer(data: String) -> Option<TwitchMessage> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tmi_rust-37088bd9f67a02db
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tmi_rust-8e6098c30df3087c
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tmi_rust
[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] [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" "99412f3df6f1dda0bb24a0fe4369fd92e077662dc2d39d75d337fbb75d02b945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99412f3df6f1dda0bb24a0fe4369fd92e077662dc2d39d75d337fbb75d02b945", kill_on_drop: false }`
[INFO] [stdout] 99412f3df6f1dda0bb24a0fe4369fd92e077662dc2d39d75d337fbb75d02b945