[INFO] cloning repository https://github.com/jamhall/tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamhall/tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamhall%2Ftracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamhall%2Ftracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f6b23beaf8c477e9c21a917f3c7046f04eb91c8
[INFO] testing jamhall/tracer against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamhall%2Ftracer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jamhall/tracer
[INFO] finished tweaking git repo https://github.com/jamhall/tracer
[INFO] tweaked toml for git repo https://github.com/jamhall/tracer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jamhall/tracer on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jamhall/tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "fetch" "--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-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5002f35bbc6ea8f425b0161b173438220703114e95aab7997df42cb7df8f0b08
[INFO] running `Command { std: "docker" "start" "5002f35bbc6ea8f425b0161b173438220703114e95aab7997df42cb7df8f0b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5002f35bbc6ea8f425b0161b173438220703114e95aab7997df42cb7df8f0b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5002f35bbc6ea8f425b0161b173438220703114e95aab7997df42cb7df8f0b08" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5002f35bbc6ea8f425b0161b173438220703114e95aab7997df42cb7df8f0b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5002f35bbc6ea8f425b0161b173438220703114e95aab7997df42cb7df8f0b08" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::services::Logging`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::services::Logging;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/application.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/application.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config::Configuration`
[INFO] [stdout]  --> src/application.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::config::Configuration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `event::CommandEvent`
[INFO] [stdout]  --> src/cmd/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use event::CommandEvent;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PipeWriter`
[INFO] [stdout]  --> src/cmd/command.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use os_pipe::{pipe, PipeReader, PipeWriter};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]   --> src/cmd/command.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::sync::mpsc::{Receiver, Sender};
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mpsc`
[INFO] [stdout]   --> src/cmd/command.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::sync::{mpsc, RwLock};
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cmd::child::CommandChild`
[INFO] [stdout]   --> src/cmd/command.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::cmd::child::CommandChild;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/cmd/event.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `api::ApiClient`
[INFO] [stdout]  --> src/services/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use api::ApiClient;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CommandCreate`
[INFO] [stdout]  --> src/services/api.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::common::{Command, CommandCreate, Session};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Stream` and `TryStream`
[INFO] [stdout]  --> src/ws/websocket.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::{Stream, TryStream};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_tungstenite::tungstenite::client::IntoClientRequest`
[INFO] [stdout]  --> src/ws/websocket.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio_tungstenite::tungstenite::client::IntoClientRequest;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tungstenite::protocol::WebSocketConfig`
[INFO] [stdout]  --> src/ws/websocket.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tungstenite::protocol::WebSocketConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `url::Url`
[INFO] [stdout]  --> src/ws/websocket.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use url::Url;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/manager.rs:28:18
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (rx, mut tx) = unbounded_channel();
[INFO] [stdout]    |                  ----^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/cmd/command.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{BufRead, BufReader, Write},
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures_util::StreamExt`
[INFO] [stdout]  --> src/manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures_util::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/services/api.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/manager.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub async fn spawn(&self, command: Command) -> Result<(), ApplicationError> {
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/manager.rs:28:18
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (rx, mut tx) = unbounded_channel();
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin_writer`
[INFO] [stdout]    --> src/cmd/command.rs:125:28
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let (stdin_reader, stdin_writer) = pipe()?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signals_task`
[INFO] [stdout]   --> src/main.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let signals_task = tokio::spawn(handle_signals(shutdown_send.clone(), signals));
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_signals_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `shutdown` is never read
[INFO] [stdout]   --> src/application.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Application {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     shutdown: UnboundedReceiver<()>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandChild` is never constructed
[INFO] [stdout]   --> src/cmd/child.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct CommandChild {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write`, `kill`, and `pid` are never used
[INFO] [stdout]   --> src/cmd/child.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl CommandChild {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(inner: Arc<SharedChild>, stdin_writer: PipeWriter) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn write(&mut self, buf: &[u8]) -> Result<(), ApplicationError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn kill(self) -> Result<(), ApplicationError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn pid(&self) -> u32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_stdout` is never used
[INFO] [stdout]   --> src/cmd/command.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | async fn handle_stdout(reader: PipeReader, lock: Arc<RwLock<()>>, tx: Sender<CommandEvent>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_stderr` is never used
[INFO] [stdout]   --> src/cmd/command.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | async fn handle_stderr(reader: PipeReader, lock: Arc<RwLock<()>>, tx: Sender<CommandEvent>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_exit` is never used
[INFO] [stdout]   --> src/cmd/command.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | async fn handle_exit(
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `executable` and `env` are never read
[INFO] [stdout]   --> src/cmd/command.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct Command {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 87 |     executable: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 88 |     args: Vec<String>,
[INFO] [stdout] 89 |     env: HashMap<String, String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `envs` and `spawn` are never used
[INFO] [stdout]    --> src/cmd/command.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout]  92 | impl Command {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn envs(mut self, env: HashMap<String, String>) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn spawn(self, bus: Sender<CommandEvent>) -> Result<u32, ApplicationError> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CommandEvent` is never used
[INFO] [stdout]  --> src/cmd/event.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum CommandEvent {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Command` is never constructed
[INFO] [stdout]  --> src/common/command.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Command {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandCreate` is never constructed
[INFO] [stdout]  --> src/common/command.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct CommandCreate {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `id` are never used
[INFO] [stdout]   --> src/common/command.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Command {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(id: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn id(&self) -> &str {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Session` is never constructed
[INFO] [stdout]  --> src/common/session.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Session {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `id`, and `token` are never used
[INFO] [stdout]   --> src/common/session.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Session {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(id: String, token: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn id(&self) -> &str {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn token(&self) -> &str {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `token` and `api_url` are never used
[INFO] [stdout]   --> src/config/configuration.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl Environment {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 52 |     pub fn token(&self) -> &String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn api_url(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `kind` is never used
[INFO] [stdout]   --> src/error.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl ApplicationError {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn kind(&self) -> &ApplicationErrorKind {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ApiClient` is never constructed
[INFO] [stdout]  --> src/services/api.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct ApiClient {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RequestExt` is never used
[INFO] [stdout]   --> src/services/api.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait RequestExt {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `default_headers`, `commands`, `create_command`, and `create_session` are never used
[INFO] [stdout]   --> src/services/api.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl ApiClient {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     pub fn new(url: &str, token: &str) -> Result<Self, ApplicationError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn default_headers(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub async fn commands(&self) -> Result<Option<Vec<Command>>, ApplicationError> {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub async fn create_command(
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub async fn create_session(
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]   --> src/ws/heartbeat.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Heartbeat {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn close(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `recv` and `close` are never used
[INFO] [stdout]   --> src/ws/stream.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl WebSocketStream {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub async fn recv(&mut self) -> Option<Result<Message, ApplicationError>> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub async fn close(&mut self) -> Result<(), ApplicationError> {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `url` and `token` are never read
[INFO] [stdout]   --> src/ws/websocket.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct WebSocketRequest {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 41 |     url: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 42 |     token: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/ws/websocket.rs:106:18
[INFO] [stdout]     |
[INFO] [stdout]  63 | impl WebSocket {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub async fn close(&mut self) -> Result<(), ApplicationError> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cmd/command.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 tx.send(CommandEvent::Stdout(line)).await;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 let _ = tx.send(CommandEvent::Stdout(line)).await;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cmd/command.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 tx.send(CommandEvent::Error(error.to_string())).await;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let _ = tx.send(CommandEvent::Error(error.to_string())).await;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cmd/command.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 tx.send(CommandEvent::Stderr(line)).await;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 let _ = tx.send(CommandEvent::Stderr(line)).await;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cmd/command.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 tx.send(CommandEvent::Error(error.to_string())).await;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let _ = tx.send(CommandEvent::Error(error.to_string())).await;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/manager.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         rx.send("Hello");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = rx.send("Hello");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/manager.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 | ...                   websocket.ping().await;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |                             let _ = websocket.ping().await;
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "5002f35bbc6ea8f425b0161b173438220703114e95aab7997df42cb7df8f0b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5002f35bbc6ea8f425b0161b173438220703114e95aab7997df42cb7df8f0b08" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::common::Configuration`
[INFO] [stdout]   --> src/config/parser.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     use crate::common::Configuration;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^-------------
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        no `Configuration` in `common`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]    |
[INFO] [stdout] 71 -     use crate::common::Configuration;
[INFO] [stdout] 71 +     use crate::config::Configuration;
[INFO] [stdout]    |
[INFO] [stdout] 71 -     use crate::common::Configuration;
[INFO] [stdout] 71 +     use crate::error::ApplicationErrorKind::Configuration;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::services::Logging`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::services::Logging;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/application.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/application.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config::Configuration`
[INFO] [stdout]  --> src/application.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::config::Configuration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `event::CommandEvent`
[INFO] [stdout]  --> src/cmd/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use event::CommandEvent;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PipeWriter`
[INFO] [stdout]  --> src/cmd/command.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use os_pipe::{pipe, PipeReader, PipeWriter};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]   --> src/cmd/command.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::sync::mpsc::{Receiver, Sender};
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mpsc`
[INFO] [stdout]   --> src/cmd/command.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::sync::{mpsc, RwLock};
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cmd::child::CommandChild`
[INFO] [stdout]   --> src/cmd/command.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::cmd::child::CommandChild;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/cmd/event.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `api::ApiClient`
[INFO] [stdout]  --> src/services/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use api::ApiClient;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CommandCreate`
[INFO] [stdout]  --> src/services/api.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::common::{Command, CommandCreate, Session};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Stream` and `TryStream`
[INFO] [stdout]  --> src/ws/websocket.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::{Stream, TryStream};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_tungstenite::tungstenite::client::IntoClientRequest`
[INFO] [stdout]  --> src/ws/websocket.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio_tungstenite::tungstenite::client::IntoClientRequest;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tungstenite::protocol::WebSocketConfig`
[INFO] [stdout]  --> src/ws/websocket.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tungstenite::protocol::WebSocketConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `url::Url`
[INFO] [stdout]  --> src/ws/websocket.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use url::Url;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/manager.rs:28:18
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (rx, mut tx) = unbounded_channel();
[INFO] [stdout]    |                  ----^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `host` found for reference `&configuration::Environment` in the current scope
[INFO] [stdout]   --> src/config/parser.rs:79:48
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let host = configuration.environment().host();
[INFO] [stdout]    |                                                ^^^^ private field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/cmd/command.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{BufRead, BufReader, Write},
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures_util::StreamExt`
[INFO] [stdout]  --> src/manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures_util::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/services/api.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/manager.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub async fn spawn(&self, command: Command) -> Result<(), ApplicationError> {
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/manager.rs:28:18
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (rx, mut tx) = unbounded_channel();
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin_writer`
[INFO] [stdout]    --> src/cmd/command.rs:125:28
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let (stdin_reader, stdin_writer) = pipe()?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signals_task`
[INFO] [stdout]   --> src/main.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let signals_task = tokio::spawn(handle_signals(shutdown_send.clone(), signals));
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_signals_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracer` (bin "tracer" test) due to 2 previous errors; 24 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5002f35bbc6ea8f425b0161b173438220703114e95aab7997df42cb7df8f0b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5002f35bbc6ea8f425b0161b173438220703114e95aab7997df42cb7df8f0b08", kill_on_drop: false }`
[INFO] [stdout] 5002f35bbc6ea8f425b0161b173438220703114e95aab7997df42cb7df8f0b08
