[INFO] cloning repository https://github.com/emanuelef/otel-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emanuelef/otel-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femanuelef%2Fotel-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femanuelef%2Fotel-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fd3438c0836fb17f0c71d05e03404ca5fd5bde3
[INFO] checking emanuelef/otel-rust 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%2Femanuelef%2Fotel-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emanuelef/otel-rust
[INFO] finished tweaking git repo https://github.com/emanuelef/otel-rust
[INFO] tweaked toml for git repo https://github.com/emanuelef/otel-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emanuelef/otel-rust 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/emanuelef/otel-rust 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9e34084c78d432d8617920b8be9ab3376e45803b86364afc3c1076f3c4032f94
[INFO] running `Command { std: "docker" "start" "-a" "9e34084c78d432d8617920b8be9ab3376e45803b86364afc3c1076f3c4032f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e34084c78d432d8617920b8be9ab3376e45803b86364afc3c1076f3c4032f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e34084c78d432d8617920b8be9ab3376e45803b86364afc3c1076f3c4032f94", kill_on_drop: false }`
[INFO] [stdout] 9e34084c78d432d8617920b8be9ab3376e45803b86364afc3c1076f3c4032f94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f988e434bff124eead5af938b1cdff58d365aecef1e0cbf74cc650466b2ade62
[INFO] running `Command { std: "docker" "start" "-a" "f988e434bff124eead5af938b1cdff58d365aecef1e0cbf74cc650466b2ade62", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking urlencoding v2.1.3
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.9
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking ordered-float v3.9.2
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking tokio v1.35.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking opentelemetry_api v0.20.0
[INFO] [stderr]     Checking opentelemetry_sdk v0.20.0
[INFO] [stderr]     Checking opentelemetry v0.20.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking opentelemetry-stdout v0.1.0
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking dice_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/dice_server.rs:11:75
[INFO] [stdout]    |
[INFO] [stdout] 11 |   async fn handle(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  ___________________________________________________________________________^
[INFO] [stdout] 12 | |     let mut response = Response::new(Body::empty());
[INFO] [stdout] 13 | |
[INFO] [stdout] 14 | |     let tracer = global::tracer("dice_server");
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     Ok(response)
[INFO] [stdout] 34 | | }
[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<Response<Body>, Infallible>
[INFO] [stdout]   --> src/dice_server.rs:11:75
[INFO] [stdout]    |
[INFO] [stdout] 11 |   async fn handle(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  ___________________________________________________________________________^
[INFO] [stdout] 12 | |     let mut response = Response::new(Body::empty());
[INFO] [stdout] 13 | |
[INFO] [stdout] 14 | |     let tracer = global::tracer("dice_server");
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     Ok(response)
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/dice_server.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Ok(response)
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {handle}, Body>, Infallible>
[INFO] [stdout]   --> src/dice_server.rs:49:50
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let make_svc = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(handle)) });
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {handle}, Body>, Infallible>
[INFO] [stdout]   --> src/dice_server.rs:49:52
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let make_svc = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(handle)) });
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dice_server` (bin "dice_server" test) due to 5 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<Response<Body>, Infallible>
[INFO] [stdout]   --> src/dice_server.rs:11:75
[INFO] [stdout]    |
[INFO] [stdout] 11 |   async fn handle(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  ___________________________________________________________________________^
[INFO] [stdout] 12 | |     let mut response = Response::new(Body::empty());
[INFO] [stdout] 13 | |
[INFO] [stdout] 14 | |     let tracer = global::tracer("dice_server");
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     Ok(response)
[INFO] [stdout] 34 | | }
[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<Response<Body>, Infallible>
[INFO] [stdout]   --> src/dice_server.rs:11:75
[INFO] [stdout]    |
[INFO] [stdout] 11 |   async fn handle(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  ___________________________________________________________________________^
[INFO] [stdout] 12 | |     let mut response = Response::new(Body::empty());
[INFO] [stdout] 13 | |
[INFO] [stdout] 14 | |     let tracer = global::tracer("dice_server");
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     Ok(response)
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/dice_server.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Ok(response)
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {handle}, Body>, Infallible>
[INFO] [stdout]   --> src/dice_server.rs:49:50
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let make_svc = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(handle)) });
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {handle}, Body>, Infallible>
[INFO] [stdout]   --> src/dice_server.rs:49:52
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let make_svc = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(handle)) });
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dice_server` (bin "dice_server") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "f988e434bff124eead5af938b1cdff58d365aecef1e0cbf74cc650466b2ade62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f988e434bff124eead5af938b1cdff58d365aecef1e0cbf74cc650466b2ade62", kill_on_drop: false }`
[INFO] [stdout] f988e434bff124eead5af938b1cdff58d365aecef1e0cbf74cc650466b2ade62
