[INFO] cloning repository https://github.com/sauerbraten-chungus/matchmaking
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sauerbraten-chungus/matchmaking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsauerbraten-chungus%2Fmatchmaking", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsauerbraten-chungus%2Fmatchmaking'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2730618ad36428936f3e41133b06da83a2d5ec9a
[INFO] checking sauerbraten-chungus/matchmaking against try#73ffebff6f34db7eb167bf9edcf2afa19c3073e9 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsauerbraten-chungus%2Fmatchmaking" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sauerbraten-chungus/matchmaking
[INFO] finished tweaking git repo https://github.com/sauerbraten-chungus/matchmaking
[INFO] tweaked toml for git repo https://github.com/sauerbraten-chungus/matchmaking written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sauerbraten-chungus/matchmaking on toolchain 73ffebff6f34db7eb167bf9edcf2afa19c3073e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sauerbraten-chungus/matchmaking 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" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f7f268aee8ee5c7cb57169f99666de7b55b158cdd98dfeeb9dab164a124a8ce
[INFO] running `Command { std: "docker" "start" "-a" "4f7f268aee8ee5c7cb57169f99666de7b55b158cdd98dfeeb9dab164a124a8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f7f268aee8ee5c7cb57169f99666de7b55b158cdd98dfeeb9dab164a124a8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7f268aee8ee5c7cb57169f99666de7b55b158cdd98dfeeb9dab164a124a8ce", kill_on_drop: false }`
[INFO] [stdout] 4f7f268aee8ee5c7cb57169f99666de7b55b158cdd98dfeeb9dab164a124a8ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af4c78b2d5846ceb4acc2ae77b39f75a9b41860dc266e28e5f48268ef9986007
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[INFO] [stderr]    Compiling cc v1.2.33
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking getrandom v0.3.3
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[INFO] [stderr]     Checking serde v1.0.219
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[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking encoding_rs v0.8.35
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[INFO] [stderr]     Checking matchmaking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Utf8Bytes` and `http`
[INFO] [stdout]  --> src/main.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |         ws::{Message, Utf8Bytes, WebSocket},
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 6 |     },
[INFO] [stdout] 7 |     http,
[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: `Serializer` and `json`
[INFO] [stdout]   --> src/main.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | use serde_json::{Serializer, json};
[INFO] [stdout]    |                  ^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Utf8Bytes` and `http`
[INFO] [stdout]  --> src/main.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |         ws::{Message, Utf8Bytes, WebSocket},
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 6 |     },
[INFO] [stdout] 7 |     http,
[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: `HashMap`, `RwLock`, `VecDeque`, and `time`
[INFO] [stdout]   --> src/main.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     collections::{HashMap, VecDeque},
[INFO] [stdout]    |                   ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 17 |     sync::{Arc, RwLock},
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 18 |     time,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `sleep`
[INFO] [stdout]   --> src/main.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     time::{Duration, sleep},
[INFO] [stdout]    |            ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Serializer` and `json`
[INFO] [stdout]   --> src/main.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | use serde_json::{Serializer, json};
[INFO] [stdout]    |                  ^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `info`, and `instrument::WithSubscriber`
[INFO] [stdout]   --> src/main.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tracing::{debug, error, info, instrument::WithSubscriber};
[INFO] [stdout]    |               ^^^^^         ^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::PrefixComponent`
[INFO] [stdout]  --> src/matchmaker.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     path::PrefixComponent,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `RwLock`, `VecDeque`, and `time`
[INFO] [stdout]   --> src/main.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     collections::{HashMap, VecDeque},
[INFO] [stdout]    |                   ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 17 |     sync::{Arc, RwLock},
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 18 |     time,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `sleep`
[INFO] [stdout]   --> src/main.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     time::{Duration, sleep},
[INFO] [stdout]    |            ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `info`, and `instrument::WithSubscriber`
[INFO] [stdout]   --> src/main.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tracing::{debug, error, info, instrument::WithSubscriber};
[INFO] [stdout]    |               ^^^^^         ^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::PrefixComponent`
[INFO] [stdout]  --> src/matchmaker.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     path::PrefixComponent,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/matchmaker.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut matchmaker = Matchmaker {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/matchmaker.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut matchmaker = Matchmaker {
[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 variable: `http_client`
[INFO] [stdout]    --> src/main.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     http_client: reqwest::Client,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_http_client`
[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_task`
[INFO] [stdout]    --> src/main.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let tx_task = tokio::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `http_client`
[INFO] [stdout]    --> src/main.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     http_client: reqwest::Client,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_http_client`
[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_task`
[INFO] [stdout]    --> src/main.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let tx_task = tokio::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QueueError` is never used
[INFO] [stdout]   --> src/main.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum QueueError {
[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 `MatchCreatedData` is never constructed
[INFO] [stdout]   --> src/main.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct MatchCreatedData {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QueueError` is never used
[INFO] [stdout]   --> src/main.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum QueueError {
[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 `MatchCreatedData` is never constructed
[INFO] [stdout]   --> src/main.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct MatchCreatedData {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/matchmaker.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Player {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 18 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/matchmaker.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Player {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 18 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MatchFound` is never constructed
[INFO] [stdout]   --> src/matchmaker.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum MatchmakingResponse {
[INFO] [stdout]    |          ------------------- variant in this enum
[INFO] [stdout] 29 |     MatchFound,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MatchFound` is never constructed
[INFO] [stdout]   --> src/matchmaker.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum MatchmakingResponse {
[INFO] [stdout]    |          ------------------- variant in this enum
[INFO] [stdout] 29 |     MatchFound,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.58s
[INFO] running `Command { std: "docker" "inspect" "af4c78b2d5846ceb4acc2ae77b39f75a9b41860dc266e28e5f48268ef9986007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4c78b2d5846ceb4acc2ae77b39f75a9b41860dc266e28e5f48268ef9986007", kill_on_drop: false }`
[INFO] [stdout] af4c78b2d5846ceb4acc2ae77b39f75a9b41860dc266e28e5f48268ef9986007
