[INFO] cloning repository https://github.com/CourseDeSalopards/workback
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CourseDeSalopards/workback" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCourseDeSalopards%2Fworkback", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCourseDeSalopards%2Fworkback'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edede789c58a6dbb448fdc570c6adc84ca16fb3c
[INFO] checking CourseDeSalopards/workback against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCourseDeSalopards%2Fworkback" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CourseDeSalopards/workback
[INFO] finished tweaking git repo https://github.com/CourseDeSalopards/workback
[INFO] tweaked toml for git repo https://github.com/CourseDeSalopards/workback written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CourseDeSalopards/workback on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CourseDeSalopards/workback 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 1f067d51a75881cfbdd618a16e81232fbba6ed60a24fb6ceee6fb716930bd176
[INFO] running `Command { std: "docker" "start" "-a" "1f067d51a75881cfbdd618a16e81232fbba6ed60a24fb6ceee6fb716930bd176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f067d51a75881cfbdd618a16e81232fbba6ed60a24fb6ceee6fb716930bd176", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling workback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.10
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[INFO] [stdout] warning: unused imports: `LevelFilter`, `debug`, `trace`, and `warn`
[INFO] [stdout]  --> src/roomapi/roomapi.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{error, warn, info, debug, trace, LevelFilter};
[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 imports: `MetadataMap`, `MetadataValue`, and `service::interceptor`
[INFO] [stdout]  --> src/roomapi/roomapi.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tonic::{metadata::{MetadataMap, MetadataValue}, service::interceptor, transport::ClientTlsConfig, Request, Response, Streaming};
[INFO] [stdout]   |                        ^^^^^^^^^^^  ^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `listenVariableStream` should have an upper camel case name
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/workback-bd841c527fb7bd43/out/room_api.rs:262:14
[INFO] [stdout]     |
[INFO] [stdout] 262 |         type listenVariableStream: tonic::codegen::tokio_stream::Stream<
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ListenVariableStream`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `listenToEventStream` should have an upper camel case name
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/workback-bd841c527fb7bd43/out/room_api.rs:283:14
[INFO] [stdout]     |
[INFO] [stdout] 283 |         type listenToEventStream: tonic::codegen::tokio_stream::Stream<
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ListenToEventStream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/local_env.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, time::Duration};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/roomapi/roomapi.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ).map_err(|e| {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/roomapi/roomapi.rs:72:51
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub async fn listen_variable(variable_name: &str, value: &str) -> Result<Response<Streaming<Value>>, tonic::Status> {
[INFO] [stdout]    |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_name`
[INFO] [stdout]    --> src/roomapi/roomapi.rs:124:30
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub async fn broadcast_event(variable_name: &str, data: Value, event: &str) -> Result<Response<()>, tonic::Status> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/bin/main.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::Write, sync::{Arc, Mutex}, thread};
[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 imports: `debug`, `trace`, and `warn`
[INFO] [stdout]  --> src/bin/main.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{error, warn, info, debug, trace, LevelFilter};
[INFO] [stdout]   |                  ^^^^        ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/bin/main.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let (tx, rx) = std::sync::mpsc::channel() as (std::sync::mpsc::Sender<String>, std::sync::mpsc::Receiver<String>);
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/bin/main.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let (tx, rx) = std::sync::mpsc::channel() as (std::sync::mpsc::Sender<String>, std::sync::mpsc::Receiver<String>);
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `players`
[INFO] [stdout]   --> src/bin/main.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let players: Vec<String> = vec![];
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_players`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pool`
[INFO] [stdout]   --> src/bin/main.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let pool = Arc::clone(&pool);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LevelFilter`, `debug`, `trace`, and `warn`
[INFO] [stdout]  --> src/roomapi/roomapi.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{error, warn, info, debug, trace, LevelFilter};
[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 imports: `MetadataMap`, `MetadataValue`, and `service::interceptor`
[INFO] [stdout]  --> src/roomapi/roomapi.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tonic::{metadata::{MetadataMap, MetadataValue}, service::interceptor, transport::ClientTlsConfig, Request, Response, Streaming};
[INFO] [stdout]   |                        ^^^^^^^^^^^  ^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `listenVariableStream` should have an upper camel case name
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/workback-bd841c527fb7bd43/out/room_api.rs:262:14
[INFO] [stdout]     |
[INFO] [stdout] 262 |         type listenVariableStream: tonic::codegen::tokio_stream::Stream<
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ListenVariableStream`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `listenToEventStream` should have an upper camel case name
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/workback-bd841c527fb7bd43/out/room_api.rs:283:14
[INFO] [stdout]     |
[INFO] [stdout] 283 |         type listenToEventStream: tonic::codegen::tokio_stream::Stream<
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ListenToEventStream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/local_env.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, time::Duration};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LevelFilter`, `debug`, `trace`, and `warn`
[INFO] [stdout]  --> src/roomapi/roomapi.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{error, warn, info, debug, trace, LevelFilter};
[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 imports: `MetadataMap`, `MetadataValue`, and `service::interceptor`
[INFO] [stdout]  --> src/roomapi/roomapi.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tonic::{metadata::{MetadataMap, MetadataValue}, service::interceptor, transport::ClientTlsConfig, Request, Response, Streaming};
[INFO] [stdout]   |                        ^^^^^^^^^^^  ^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `listenVariableStream` should have an upper camel case name
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/workback-bd841c527fb7bd43/out/room_api.rs:262:14
[INFO] [stdout]     |
[INFO] [stdout] 262 |         type listenVariableStream: tonic::codegen::tokio_stream::Stream<
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ListenVariableStream`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `listenToEventStream` should have an upper camel case name
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/workback-bd841c527fb7bd43/out/room_api.rs:283:14
[INFO] [stdout]     |
[INFO] [stdout] 283 |         type listenToEventStream: tonic::codegen::tokio_stream::Stream<
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ListenToEventStream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/local_env.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, time::Duration};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/roomapi/roomapi.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ).map_err(|e| {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/roomapi/roomapi.rs:72:51
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub async fn listen_variable(variable_name: &str, value: &str) -> Result<Response<Streaming<Value>>, tonic::Status> {
[INFO] [stdout]    |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_name`
[INFO] [stdout]    --> src/roomapi/roomapi.rs:124:30
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub async fn broadcast_event(variable_name: &str, data: Value, event: &str) -> Result<Response<()>, tonic::Status> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/roomapi/roomapi.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ).map_err(|e| {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/roomapi/roomapi.rs:72:51
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub async fn listen_variable(variable_name: &str, value: &str) -> Result<Response<Streaming<Value>>, tonic::Status> {
[INFO] [stdout]    |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_name`
[INFO] [stdout]    --> src/roomapi/roomapi.rs:124:30
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub async fn broadcast_event(variable_name: &str, data: Value, event: &str) -> Result<Response<()>, tonic::Status> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/bin/main.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::Write, sync::{Arc, Mutex}, thread};
[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 imports: `debug`, `trace`, and `warn`
[INFO] [stdout]  --> src/bin/main.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{error, warn, info, debug, trace, LevelFilter};
[INFO] [stdout]   |                  ^^^^        ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/bin/main.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let (tx, rx) = std::sync::mpsc::channel() as (std::sync::mpsc::Sender<String>, std::sync::mpsc::Receiver<String>);
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/bin/main.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let (tx, rx) = std::sync::mpsc::channel() as (std::sync::mpsc::Sender<String>, std::sync::mpsc::Receiver<String>);
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `players`
[INFO] [stdout]   --> src/bin/main.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let players: Vec<String> = vec![];
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_players`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pool`
[INFO] [stdout]   --> src/bin/main.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let pool = Arc::clone(&pool);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "eac488dd9ac5493ef949473f3b0fe746c2fab8cbb7d251cbf22c95f2058338fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac488dd9ac5493ef949473f3b0fe746c2fab8cbb7d251cbf22c95f2058338fc", kill_on_drop: false }`
[INFO] [stdout] eac488dd9ac5493ef949473f3b0fe746c2fab8cbb7d251cbf22c95f2058338fc
