[INFO] cloning repository https://github.com/mkulke/warp-tracing-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkulke/warp-tracing-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkulke%2Fwarp-tracing-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkulke%2Fwarp-tracing-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37414456022ac3fd197fbf676daafb6d1de10090
[INFO] checking mkulke/warp-tracing-playground against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkulke%2Fwarp-tracing-playground" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mkulke/warp-tracing-playground
[INFO] finished tweaking git repo https://github.com/mkulke/warp-tracing-playground
[INFO] tweaked toml for git repo https://github.com/mkulke/warp-tracing-playground written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mkulke/warp-tracing-playground on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mkulke/warp-tracing-playground 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "start" "-a" "5134d442f4521a1e06188f328f8c6acfed677cfafe19f80f6eb1cc719bf55525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5134d442f4521a1e06188f328f8c6acfed677cfafe19f80f6eb1cc719bf55525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5134d442f4521a1e06188f328f8c6acfed677cfafe19f80f6eb1cc719bf55525", kill_on_drop: false }`
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[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]   --> src/main.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     #[instrument(skip(state))]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]   --> src/main.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     #[instrument(skip(state))]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `instrument` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]    --> src/main.rs:97:83
[INFO] [stdout]     |
[INFO] [stdout]  97 |       pub async fn list_users(state: State) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ___________________________________________________________________________________^
[INFO] [stdout]  98 | |         let users = state.lock().await.clone();
[INFO] [stdout]  99 | |         Ok(warp::reply::json(&users))
[INFO] [stdout] 100 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         Ok(warp::reply::json(&users))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]    --> src/main.rs:97:83
[INFO] [stdout]     |
[INFO] [stdout]  97 |       pub async fn list_users(state: State) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ___________________________________________________________________________________^
[INFO] [stdout]  98 | |         let users = state.lock().await.clone();
[INFO] [stdout]  99 | |         Ok(warp::reply::json(&users))
[INFO] [stdout] 100 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]    --> src/main.rs:97:83
[INFO] [stdout]     |
[INFO] [stdout]  97 |       pub async fn list_users(state: State) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ___________________________________________________________________________________^
[INFO] [stdout]  98 | |         let users = state.lock().await.clone();
[INFO] [stdout]  99 | |         Ok(warp::reply::json(&users))
[INFO] [stdout] 100 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::http::StatusCode, Infallible>
[INFO] [stdout]    --> src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     #[instrument(skip(state))]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::http::StatusCode, Infallible>
[INFO] [stdout]    --> src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     #[instrument(skip(state))]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `instrument` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::http::StatusCode, Infallible>
[INFO] [stdout]    --> src/main.rs:103:96
[INFO] [stdout]     |
[INFO] [stdout] 103 |       pub async fn create_user(user: User, state: State) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ________________________________________________________________________________________________^
[INFO] [stdout] 104 | |         let mut users = state.lock().await;
[INFO] [stdout] 105 | |         users.push(user);
[INFO] [stdout] 106 | |         Ok(StatusCode::CREATED)
[INFO] [stdout] 107 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::http::StatusCode, Infallible>
[INFO] [stdout]    --> src/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         Ok(StatusCode::CREATED)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::http::StatusCode, Infallible>
[INFO] [stdout]    --> src/main.rs:103:96
[INFO] [stdout]     |
[INFO] [stdout] 103 |       pub async fn create_user(user: User, state: State) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ________________________________________________________________________________________________^
[INFO] [stdout] 104 | |         let mut users = state.lock().await;
[INFO] [stdout] 105 | |         users.push(user);
[INFO] [stdout] 106 | |         Ok(StatusCode::CREATED)
[INFO] [stdout] 107 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::http::StatusCode, Infallible>
[INFO] [stdout]    --> src/main.rs:103:96
[INFO] [stdout]     |
[INFO] [stdout] 103 |       pub async fn create_user(user: User, state: State) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ________________________________________________________________________________________________^
[INFO] [stdout] 104 | |         let mut users = state.lock().await;
[INFO] [stdout] 105 | |         users.push(user);
[INFO] [stdout] 106 | |         Ok(StatusCode::CREATED)
[INFO] [stdout] 107 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/main.rs:109:98
[INFO] [stdout]     |
[INFO] [stdout] 109 |       pub async fn metrics(exporter: impl MetricsExporter) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  __________________________________________________________________________________________________^
[INFO] [stdout] 110 | |         let buf = exporter.export();
[INFO] [stdout] 111 | |         Ok(buf)
[INFO] [stdout] 112 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/main.rs:109:98
[INFO] [stdout]     |
[INFO] [stdout] 109 |       pub async fn metrics(exporter: impl MetricsExporter) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  __________________________________________________________________________________________________^
[INFO] [stdout] 110 | |         let buf = exporter.export();
[INFO] [stdout] 111 | |         Ok(buf)
[INFO] [stdout] 112 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/main.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         Ok(buf)
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `warp-tracing-playground` (bin "warp-tracing-playground") due to 15 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]   --> src/main.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     #[instrument(skip(state))]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]   --> src/main.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     #[instrument(skip(state))]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `instrument` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]    --> src/main.rs:97:83
[INFO] [stdout]     |
[INFO] [stdout]  97 |       pub async fn list_users(state: State) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ___________________________________________________________________________________^
[INFO] [stdout]  98 | |         let users = state.lock().await.clone();
[INFO] [stdout]  99 | |         Ok(warp::reply::json(&users))
[INFO] [stdout] 100 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         Ok(warp::reply::json(&users))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]    --> src/main.rs:97:83
[INFO] [stdout]     |
[INFO] [stdout]  97 |       pub async fn list_users(state: State) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ___________________________________________________________________________________^
[INFO] [stdout]  98 | |         let users = state.lock().await.clone();
[INFO] [stdout]  99 | |         Ok(warp::reply::json(&users))
[INFO] [stdout] 100 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]    --> src/main.rs:97:83
[INFO] [stdout]     |
[INFO] [stdout]  97 |       pub async fn list_users(state: State) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ___________________________________________________________________________________^
[INFO] [stdout]  98 | |         let users = state.lock().await.clone();
[INFO] [stdout]  99 | |         Ok(warp::reply::json(&users))
[INFO] [stdout] 100 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::http::StatusCode, Infallible>
[INFO] [stdout]    --> src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     #[instrument(skip(state))]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::http::StatusCode, Infallible>
[INFO] [stdout]    --> src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     #[instrument(skip(state))]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `instrument` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::http::StatusCode, Infallible>
[INFO] [stdout]    --> src/main.rs:103:96
[INFO] [stdout]     |
[INFO] [stdout] 103 |       pub async fn create_user(user: User, state: State) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ________________________________________________________________________________________________^
[INFO] [stdout] 104 | |         let mut users = state.lock().await;
[INFO] [stdout] 105 | |         users.push(user);
[INFO] [stdout] 106 | |         Ok(StatusCode::CREATED)
[INFO] [stdout] 107 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::http::StatusCode, Infallible>
[INFO] [stdout]    --> src/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         Ok(StatusCode::CREATED)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::http::StatusCode, Infallible>
[INFO] [stdout]    --> src/main.rs:103:96
[INFO] [stdout]     |
[INFO] [stdout] 103 |       pub async fn create_user(user: User, state: State) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ________________________________________________________________________________________________^
[INFO] [stdout] 104 | |         let mut users = state.lock().await;
[INFO] [stdout] 105 | |         users.push(user);
[INFO] [stdout] 106 | |         Ok(StatusCode::CREATED)
[INFO] [stdout] 107 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::http::StatusCode, Infallible>
[INFO] [stdout]    --> src/main.rs:103:96
[INFO] [stdout]     |
[INFO] [stdout] 103 |       pub async fn create_user(user: User, state: State) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ________________________________________________________________________________________________^
[INFO] [stdout] 104 | |         let mut users = state.lock().await;
[INFO] [stdout] 105 | |         users.push(user);
[INFO] [stdout] 106 | |         Ok(StatusCode::CREATED)
[INFO] [stdout] 107 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/main.rs:109:98
[INFO] [stdout]     |
[INFO] [stdout] 109 |       pub async fn metrics(exporter: impl MetricsExporter) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  __________________________________________________________________________________________________^
[INFO] [stdout] 110 | |         let buf = exporter.export();
[INFO] [stdout] 111 | |         Ok(buf)
[INFO] [stdout] 112 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/main.rs:109:98
[INFO] [stdout]     |
[INFO] [stdout] 109 |       pub async fn metrics(exporter: impl MetricsExporter) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  __________________________________________________________________________________________________^
[INFO] [stdout] 110 | |         let buf = exporter.export();
[INFO] [stdout] 111 | |         Ok(buf)
[INFO] [stdout] 112 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/main.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         Ok(buf)
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `warp-tracing-playground` (bin "warp-tracing-playground" test) due to 15 previous errors
[INFO] running `Command { std: "docker" "inspect" "e4d160756cd311f01bcdb20924c8712a70bab91ee7038eb52f1d3c8a7fe17b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d160756cd311f01bcdb20924c8712a70bab91ee7038eb52f1d3c8a7fe17b40", kill_on_drop: false }`
[INFO] [stdout] e4d160756cd311f01bcdb20924c8712a70bab91ee7038eb52f1d3c8a7fe17b40
