[INFO] fetching crate zon_core 0.0.4...
[INFO] checking zon_core-0.0.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate zon_core 0.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate zon_core 0.0.4
[INFO] finished tweaking crates.io crate zon_core 0.0.4
[INFO] tweaked toml for crates.io crate zon_core 0.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zon_core 0.0.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 43ce599a5e5126f89957b004e44c077eae94e8d3ce0e916bfe8db778ed2d9672
[INFO] running `Command { std: "docker" "start" "-a" "43ce599a5e5126f89957b004e44c077eae94e8d3ce0e916bfe8db778ed2d9672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43ce599a5e5126f89957b004e44c077eae94e8d3ce0e916bfe8db778ed2d9672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ce599a5e5126f89957b004e44c077eae94e8d3ce0e916bfe8db778ed2d9672", kill_on_drop: false }`
[INFO] [stdout] 43ce599a5e5126f89957b004e44c077eae94e8d3ce0e916bfe8db778ed2d9672
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3ec14085f29f4174fe2454540d43e31eccdfec4bde9db546ea38502ce538d498
[INFO] running `Command { std: "docker" "start" "-a" "3ec14085f29f4174fe2454540d43e31eccdfec4bde9db546ea38502ce538d498", kill_on_drop: false }`
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking zon_core v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<http::Request<B>, Infallible>
[INFO] [stdout]   --> src/request/from_request.rs:40:77
[INFO] [stdout]    |
[INFO] [stdout] 40 |       async fn from_request(req: Request<B>) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  _____________________________________________________________________________^
[INFO] [stdout] 41 | |         Ok(req)
[INFO] [stdout] 42 | |     }
[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<http::Request<B>, Infallible>
[INFO] [stdout]   --> src/request/from_request.rs:40:77
[INFO] [stdout]    |
[INFO] [stdout] 40 |       async fn from_request(req: Request<B>) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  _____________________________________________________________________________^
[INFO] [stdout] 41 | |         Ok(req)
[INFO] [stdout] 42 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<http::Request<B>, Infallible>
[INFO] [stdout]   --> src/request/from_request.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         Ok(req)
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<T, <T as FromRequest<B>>::Rejection>, Infallible>
[INFO] [stdout]   --> src/request/from_request.rs:51:77
[INFO] [stdout]    |
[INFO] [stdout] 51 |       async fn from_request(req: Request<B>) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  _____________________________________________________________________________^
[INFO] [stdout] 52 | |         Ok(T::from_request(req).await)
[INFO] [stdout] 53 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mustuse_in_always_ok)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<T, <T as FromRequest<B>>::Rejection>, Infallible>
[INFO] [stdout]   --> src/request/from_request.rs:51:77
[INFO] [stdout]    |
[INFO] [stdout] 51 |       async fn from_request(req: Request<B>) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  _____________________________________________________________________________^
[INFO] [stdout] 52 | |         Ok(T::from_request(req).await)
[INFO] [stdout] 53 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<T, <T as FromRequest<B>>::Rejection>, Infallible>
[INFO] [stdout]   --> src/request/from_request.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         Ok(T::from_request(req).await)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Method, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:20:92
[INFO] [stdout]    |
[INFO] [stdout] 20 |       async fn from_request_parts(parts: &mut RequestParts) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  ____________________________________________________________________________________________^
[INFO] [stdout] 21 | |         Ok(parts.method.clone())
[INFO] [stdout] 22 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Method, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:20:92
[INFO] [stdout]    |
[INFO] [stdout] 20 |       async fn from_request_parts(parts: &mut RequestParts) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  ____________________________________________________________________________________________^
[INFO] [stdout] 21 | |         Ok(parts.method.clone())
[INFO] [stdout] 22 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Method, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Ok(parts.method.clone())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Uri, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:28:92
[INFO] [stdout]    |
[INFO] [stdout] 28 |       async fn from_request_parts(parts: &mut RequestParts) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  ____________________________________________________________________________________________^
[INFO] [stdout] 29 | |         Ok(parts.uri.clone())
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Uri, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:28:92
[INFO] [stdout]    |
[INFO] [stdout] 28 |       async fn from_request_parts(parts: &mut RequestParts) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  ____________________________________________________________________________________________^
[INFO] [stdout] 29 | |         Ok(parts.uri.clone())
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Uri, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Ok(parts.uri.clone())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<T, <T as FromRequestParts>::Rejection>, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:40:92
[INFO] [stdout]    |
[INFO] [stdout] 40 |       async fn from_request_parts(parts: &mut RequestParts) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  ____________________________________________________________________________________________^
[INFO] [stdout] 41 | |         Ok(T::from_request_parts(parts).await)
[INFO] [stdout] 42 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<T, <T as FromRequestParts>::Rejection>, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:40:92
[INFO] [stdout]    |
[INFO] [stdout] 40 |       async fn from_request_parts(parts: &mut RequestParts) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  ____________________________________________________________________________________________^
[INFO] [stdout] 41 | |         Ok(T::from_request_parts(parts).await)
[INFO] [stdout] 42 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<T, <T as FromRequestParts>::Rejection>, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         Ok(T::from_request_parts(parts).await)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zon_core` (lib test) due to 9 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<http::Request<B>, Infallible>
[INFO] [stdout]   --> src/request/from_request.rs:40:77
[INFO] [stdout]    |
[INFO] [stdout] 40 |       async fn from_request(req: Request<B>) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  _____________________________________________________________________________^
[INFO] [stdout] 41 | |         Ok(req)
[INFO] [stdout] 42 | |     }
[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<http::Request<B>, Infallible>
[INFO] [stdout]   --> src/request/from_request.rs:40:77
[INFO] [stdout]    |
[INFO] [stdout] 40 |       async fn from_request(req: Request<B>) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  _____________________________________________________________________________^
[INFO] [stdout] 41 | |         Ok(req)
[INFO] [stdout] 42 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<http::Request<B>, Infallible>
[INFO] [stdout]   --> src/request/from_request.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         Ok(req)
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<T, <T as FromRequest<B>>::Rejection>, Infallible>
[INFO] [stdout]   --> src/request/from_request.rs:51:77
[INFO] [stdout]    |
[INFO] [stdout] 51 |       async fn from_request(req: Request<B>) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  _____________________________________________________________________________^
[INFO] [stdout] 52 | |         Ok(T::from_request(req).await)
[INFO] [stdout] 53 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mustuse_in_always_ok)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<T, <T as FromRequest<B>>::Rejection>, Infallible>
[INFO] [stdout]   --> src/request/from_request.rs:51:77
[INFO] [stdout]    |
[INFO] [stdout] 51 |       async fn from_request(req: Request<B>) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  _____________________________________________________________________________^
[INFO] [stdout] 52 | |         Ok(T::from_request(req).await)
[INFO] [stdout] 53 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<T, <T as FromRequest<B>>::Rejection>, Infallible>
[INFO] [stdout]   --> src/request/from_request.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         Ok(T::from_request(req).await)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Method, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:20:92
[INFO] [stdout]    |
[INFO] [stdout] 20 |       async fn from_request_parts(parts: &mut RequestParts) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  ____________________________________________________________________________________________^
[INFO] [stdout] 21 | |         Ok(parts.method.clone())
[INFO] [stdout] 22 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Method, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:20:92
[INFO] [stdout]    |
[INFO] [stdout] 20 |       async fn from_request_parts(parts: &mut RequestParts) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  ____________________________________________________________________________________________^
[INFO] [stdout] 21 | |         Ok(parts.method.clone())
[INFO] [stdout] 22 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Method, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Ok(parts.method.clone())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Uri, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:28:92
[INFO] [stdout]    |
[INFO] [stdout] 28 |       async fn from_request_parts(parts: &mut RequestParts) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  ____________________________________________________________________________________________^
[INFO] [stdout] 29 | |         Ok(parts.uri.clone())
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Uri, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:28:92
[INFO] [stdout]    |
[INFO] [stdout] 28 |       async fn from_request_parts(parts: &mut RequestParts) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  ____________________________________________________________________________________________^
[INFO] [stdout] 29 | |         Ok(parts.uri.clone())
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Uri, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Ok(parts.uri.clone())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<T, <T as FromRequestParts>::Rejection>, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:40:92
[INFO] [stdout]    |
[INFO] [stdout] 40 |       async fn from_request_parts(parts: &mut RequestParts) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  ____________________________________________________________________________________________^
[INFO] [stdout] 41 | |         Ok(T::from_request_parts(parts).await)
[INFO] [stdout] 42 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<T, <T as FromRequestParts>::Rejection>, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:40:92
[INFO] [stdout]    |
[INFO] [stdout] 40 |       async fn from_request_parts(parts: &mut RequestParts) -> Result<Self, Self::Rejection> {
[INFO] [stdout]    |  ____________________________________________________________________________________________^
[INFO] [stdout] 41 | |         Ok(T::from_request_parts(parts).await)
[INFO] [stdout] 42 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<T, <T as FromRequestParts>::Rejection>, Infallible>
[INFO] [stdout]   --> src/request/from_request_parts.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         Ok(T::from_request_parts(parts).await)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zon_core` (lib) due to 9 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3ec14085f29f4174fe2454540d43e31eccdfec4bde9db546ea38502ce538d498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec14085f29f4174fe2454540d43e31eccdfec4bde9db546ea38502ce538d498", kill_on_drop: false }`
[INFO] [stdout] 3ec14085f29f4174fe2454540d43e31eccdfec4bde9db546ea38502ce538d498
