[INFO] cloning repository https://github.com/bo0tzz/dawarkitty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bo0tzz/dawarkitty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbo0tzz%2Fdawarkitty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbo0tzz%2Fdawarkitty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d60ea8afaf58e1f07751420ceff625f87afe4f66
[INFO] checking bo0tzz/dawarkitty 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%2Fbo0tzz%2Fdawarkitty" "/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/bo0tzz/dawarkitty
[INFO] finished tweaking git repo https://github.com/bo0tzz/dawarkitty
[INFO] tweaked toml for git repo https://github.com/bo0tzz/dawarkitty written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bo0tzz/dawarkitty 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/bo0tzz/dawarkitty 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ad8cb5c669dee40cc23a2d9f8dd771ddd6c9428d9fb3a37211feb96478a8d0f
[INFO] running `Command { std: "docker" "start" "-a" "8ad8cb5c669dee40cc23a2d9f8dd771ddd6c9428d9fb3a37211feb96478a8d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ad8cb5c669dee40cc23a2d9f8dd771ddd6c9428d9fb3a37211feb96478a8d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad8cb5c669dee40cc23a2d9f8dd771ddd6c9428d9fb3a37211feb96478a8d0f", kill_on_drop: false }`
[INFO] [stdout] 8ad8cb5c669dee40cc23a2d9f8dd771ddd6c9428d9fb3a37211feb96478a8d0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1b14032c2c883b22319b06fa54040229d39bf63898efeb475cb9e7d85afecab
[INFO] running `Command { std: "docker" "start" "-a" "d1b14032c2c883b22319b06fa54040229d39bf63898efeb475cb9e7d85afecab", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.15
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[INFO] [stdout] warning: fields `time`, `temperature_state`, `clip_mounted_state`, `report_id`, `power_saving_zone_id`, and `hw_status` are never read
[INFO] [stdout]   --> src/api/tractive.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct DeviceHwReport {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 50 |     pub time: i64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 51 |     pub battery_level: u8,
[INFO] [stdout] 52 |     pub temperature_state: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 53 |     pub clip_mounted_state: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub report_id: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 58 |     pub power_saving_zone_id: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 59 |     pub hw_status: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeviceHwReport` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]    --> src/metrics.rs:57:48
[INFO] [stdout]     |
[INFO] [stdout]  57 |   ) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]     |  ________________________________________________^
[INFO] [stdout]  58 | |     match req.uri().path() {
[INFO] [stdout]  59 | |         "/metrics" => {
[INFO] [stdout]  60 | |             debug!("Handling metrics request");
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | | }
[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<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]    --> src/metrics.rs:57:48
[INFO] [stdout]     |
[INFO] [stdout]  57 |   ) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]     |  ________________________________________________^
[INFO] [stdout]  58 | |     match req.uri().path() {
[INFO] [stdout]  59 | |         "/metrics" => {
[INFO] [stdout]  60 | |             debug!("Handling metrics request");
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]    --> src/metrics.rs:58:5
[INFO] [stdout]     |
[INFO] [stdout]  58 | /     match req.uri().path() {
[INFO] [stdout]  59 | |         "/metrics" => {
[INFO] [stdout]  60 | |             debug!("Handling metrics request");
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/metrics.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |           "/metrics" => {
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 60 | |             debug!("Handling metrics request");
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |                 .unwrap())
[INFO] [stdout] 91 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/metrics.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 | /             Ok(Response::builder()
[INFO] [stdout] 87 | |                 .status(StatusCode::OK)
[INFO] [stdout] 88 | |                 .header("Content-Type", "text/plain; version=0.0.4")
[INFO] [stdout] 89 | |                 .body(Full::new(Bytes::from(metrics)))
[INFO] [stdout] 90 | |                 .unwrap())
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/metrics.rs:92:16
[INFO] [stdout]    |
[INFO] [stdout] 92 |           "/" => {
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 93 | |             let body = "Tractive Battery Metrics Server\n\nAvailable endpoints:\n/metrics - Prometheus metrics\n";
[INFO] [stdout] 94 | |             Ok(Response::builder()
[INFO] [stdout] 95 | |                 .status(StatusCode::OK)
[INFO] [stdout] 96 | |                 .body(Full::new(Bytes::from(body)))
[INFO] [stdout] 97 | |                 .unwrap())
[INFO] [stdout] 98 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/metrics.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 | /             Ok(Response::builder()
[INFO] [stdout] 95 | |                 .status(StatusCode::OK)
[INFO] [stdout] 96 | |                 .body(Full::new(Bytes::from(body)))
[INFO] [stdout] 97 | |                 .unwrap())
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]    --> src/metrics.rs:99:14
[INFO] [stdout]     |
[INFO] [stdout]  99 |           _ => {
[INFO] [stdout]     |  ______________^
[INFO] [stdout] 100 | |             Ok(Response::builder()
[INFO] [stdout] 101 | |                 .status(StatusCode::NOT_FOUND)
[INFO] [stdout] 102 | |                 .body(Full::new(Bytes::from("404 Not Found")))
[INFO] [stdout] 103 | |                 .unwrap())
[INFO] [stdout] 104 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]    --> src/metrics.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 | /             Ok(Response::builder()
[INFO] [stdout] 101 | |                 .status(StatusCode::NOT_FOUND)
[INFO] [stdout] 102 | |                 .body(Full::new(Bytes::from("404 Not Found")))
[INFO] [stdout] 103 | |                 .unwrap())
[INFO] [stdout]     | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dawarkitty` (bin "dawarkitty") due to 9 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `time`, `temperature_state`, `clip_mounted_state`, `report_id`, `power_saving_zone_id`, and `hw_status` are never read
[INFO] [stdout]   --> src/api/tractive.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct DeviceHwReport {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 50 |     pub time: i64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 51 |     pub battery_level: u8,
[INFO] [stdout] 52 |     pub temperature_state: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 53 |     pub clip_mounted_state: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub report_id: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 58 |     pub power_saving_zone_id: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 59 |     pub hw_status: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeviceHwReport` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]    --> src/metrics.rs:57:48
[INFO] [stdout]     |
[INFO] [stdout]  57 |   ) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]     |  ________________________________________________^
[INFO] [stdout]  58 | |     match req.uri().path() {
[INFO] [stdout]  59 | |         "/metrics" => {
[INFO] [stdout]  60 | |             debug!("Handling metrics request");
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | | }
[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<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]    --> src/metrics.rs:57:48
[INFO] [stdout]     |
[INFO] [stdout]  57 |   ) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]     |  ________________________________________________^
[INFO] [stdout]  58 | |     match req.uri().path() {
[INFO] [stdout]  59 | |         "/metrics" => {
[INFO] [stdout]  60 | |             debug!("Handling metrics request");
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]    --> src/metrics.rs:58:5
[INFO] [stdout]     |
[INFO] [stdout]  58 | /     match req.uri().path() {
[INFO] [stdout]  59 | |         "/metrics" => {
[INFO] [stdout]  60 | |             debug!("Handling metrics request");
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/metrics.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |           "/metrics" => {
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 60 | |             debug!("Handling metrics request");
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |                 .unwrap())
[INFO] [stdout] 91 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/metrics.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 | /             Ok(Response::builder()
[INFO] [stdout] 87 | |                 .status(StatusCode::OK)
[INFO] [stdout] 88 | |                 .header("Content-Type", "text/plain; version=0.0.4")
[INFO] [stdout] 89 | |                 .body(Full::new(Bytes::from(metrics)))
[INFO] [stdout] 90 | |                 .unwrap())
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/metrics.rs:92:16
[INFO] [stdout]    |
[INFO] [stdout] 92 |           "/" => {
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 93 | |             let body = "Tractive Battery Metrics Server\n\nAvailable endpoints:\n/metrics - Prometheus metrics\n";
[INFO] [stdout] 94 | |             Ok(Response::builder()
[INFO] [stdout] 95 | |                 .status(StatusCode::OK)
[INFO] [stdout] 96 | |                 .body(Full::new(Bytes::from(body)))
[INFO] [stdout] 97 | |                 .unwrap())
[INFO] [stdout] 98 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/metrics.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 | /             Ok(Response::builder()
[INFO] [stdout] 95 | |                 .status(StatusCode::OK)
[INFO] [stdout] 96 | |                 .body(Full::new(Bytes::from(body)))
[INFO] [stdout] 97 | |                 .unwrap())
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]    --> src/metrics.rs:99:14
[INFO] [stdout]     |
[INFO] [stdout]  99 |           _ => {
[INFO] [stdout]     |  ______________^
[INFO] [stdout] 100 | |             Ok(Response::builder()
[INFO] [stdout] 101 | |                 .status(StatusCode::NOT_FOUND)
[INFO] [stdout] 102 | |                 .body(Full::new(Bytes::from("404 Not Found")))
[INFO] [stdout] 103 | |                 .unwrap())
[INFO] [stdout] 104 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]    --> src/metrics.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 | /             Ok(Response::builder()
[INFO] [stdout] 101 | |                 .status(StatusCode::NOT_FOUND)
[INFO] [stdout] 102 | |                 .body(Full::new(Bytes::from("404 Not Found")))
[INFO] [stdout] 103 | |                 .unwrap())
[INFO] [stdout]     | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dawarkitty` (bin "dawarkitty" test) due to 9 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d1b14032c2c883b22319b06fa54040229d39bf63898efeb475cb9e7d85afecab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1b14032c2c883b22319b06fa54040229d39bf63898efeb475cb9e7d85afecab", kill_on_drop: false }`
[INFO] [stdout] d1b14032c2c883b22319b06fa54040229d39bf63898efeb475cb9e7d85afecab
