[INFO] fetching crate axum-scientist 0.1.0...
[INFO] checking axum-scientist-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate axum-scientist 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate axum-scientist 0.1.0
[INFO] finished tweaking crates.io crate axum-scientist 0.1.0
[INFO] tweaked toml for crates.io crate axum-scientist 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate axum-scientist 0.1.0 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 85 packages to latest compatible versions
[INFO] [stderr]       Adding axum v0.6.20 (available: v0.8.6)
[INFO] [stderr]       Adding axum-core v0.3.4 (available: v0.5.5)
[INFO] [stderr]       Adding http v0.2.12 (available: v1.3.1)
[INFO] [stderr]       Adding hyper v0.14.32 (available: v1.8.0)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f606c085249f89150dd7621427241ee9cabf3b6f05c342d30ed81c0a695a0e54
[INFO] running `Command { std: "docker" "start" "-a" "f606c085249f89150dd7621427241ee9cabf3b6f05c342d30ed81c0a695a0e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f606c085249f89150dd7621427241ee9cabf3b6f05c342d30ed81c0a695a0e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f606c085249f89150dd7621427241ee9cabf3b6f05c342d30ed81c0a695a0e54", kill_on_drop: false }`
[INFO] [stdout] f606c085249f89150dd7621427241ee9cabf3b6f05c342d30ed81c0a695a0e54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 22c9fdd7c9cb7c5ae6106468c0d01c36db4885d0e97d1ed7e97f4ebf39548752
[INFO] running `Command { std: "docker" "start" "-a" "22c9fdd7c9cb7c5ae6106468c0d01c36db4885d0e97d1ed7e97f4ebf39548752", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking axum-scientist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<<L as Service<http::Request<Body>>>::Response, Infallible>
[INFO] [stdout]    --> src/lib.rs:112:25
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let response_left = left_service.call(req_l).await.unwrap().into_response();
[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<<L as Service<http::Request<Body>>>::Response, Infallible>
[INFO] [stdout]    --> src/lib.rs:112:50
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let response_left = left_service.call(req_l).await.unwrap().into_response();
[INFO] [stdout]     |                                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<<L as Service<http::Request<Body>>>::Response, Infallible>
[INFO] [stdout]    --> src/lib.rs:112:25
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let response_left = left_service.call(req_l).await.unwrap().into_response();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<<R as Service<http::Request<Body>>>::Response, Infallible>
[INFO] [stdout]    --> src/lib.rs:113:26
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let response_right = right_service.call(req_r).await.unwrap().into_response();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<<R as Service<http::Request<Body>>>::Response, Infallible>
[INFO] [stdout]    --> src/lib.rs:113:52
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let response_right = right_service.call(req_r).await.unwrap().into_response();
[INFO] [stdout]     |                                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<<R as Service<http::Request<Body>>>::Response, Infallible>
[INFO] [stdout]    --> src/lib.rs:113:26
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let response_right = right_service.call(req_r).await.unwrap().into_response();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body::combinators::box_body::UnsyncBoxBody<hyper::body::Bytes, axum_core::Error>>, Infallible>
[INFO] [stdout]    --> src/lib.rs:228:33
[INFO] [stdout]     |
[INFO] [stdout] 228 |           let future = async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 229 | |             let left_service = left_service.clone();
[INFO] [stdout] 230 | |             let right_service = right_service.clone();
[INFO] [stdout] 231 | |             let comparator = comparator.clone();
[INFO] [stdout] ...   |
[INFO] [stdout] 238 | |             Ok(response_left)
[INFO] [stdout] 239 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body::combinators::box_body::UnsyncBoxBody<hyper::body::Bytes, axum_core::Error>>, Infallible>
[INFO] [stdout]    --> src/lib.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |             Ok(response_left)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `axum-scientist` (lib) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "22c9fdd7c9cb7c5ae6106468c0d01c36db4885d0e97d1ed7e97f4ebf39548752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22c9fdd7c9cb7c5ae6106468c0d01c36db4885d0e97d1ed7e97f4ebf39548752", kill_on_drop: false }`
[INFO] [stdout] 22c9fdd7c9cb7c5ae6106468c0d01c36db4885d0e97d1ed7e97f4ebf39548752
