[INFO] cloning repository https://github.com/Iflix6/serve [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Iflix6/serve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIflix6%2Fserve", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIflix6%2Fserve'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a0e8621448a6d182413c25fe55c57e42fdbf4580 [INFO] checking Iflix6/serve 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%2FIflix6%2Fserve" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Iflix6/serve [INFO] finished tweaking git repo https://github.com/Iflix6/serve [INFO] tweaked toml for git repo https://github.com/Iflix6/serve written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Iflix6/serve 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/Iflix6/serve 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 302946642fc18d0bcb5cdb8db947bb41322a55614fae771dd5eb98286274ad9a [INFO] running `Command { std: "docker" "start" "-a" "302946642fc18d0bcb5cdb8db947bb41322a55614fae771dd5eb98286274ad9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "302946642fc18d0bcb5cdb8db947bb41322a55614fae771dd5eb98286274ad9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "302946642fc18d0bcb5cdb8db947bb41322a55614fae771dd5eb98286274ad9a", kill_on_drop: false }` [INFO] [stdout] 302946642fc18d0bcb5cdb8db947bb41322a55614fae771dd5eb98286274ad9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e5c9c249f3a2a233f46157d09fcc08aa5c2630bb8202654473ba88bd0bf1366e [INFO] running `Command { std: "docker" "start" "-a" "e5c9c249f3a2a233f46157d09fcc08aa5c2630bb8202654473ba88bd0bf1366e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.167 [INFO] [stderr] Checking pin-project-lite v0.2.15 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Checking http v0.2.12 [INFO] [stderr] Compiling syn v2.0.90 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Checking socket2 v0.5.8 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Checking tokio v1.41.1 [INFO] [stderr] Checking hyper v0.14.31 [INFO] [stderr] Checking serve v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/main.rs:6:25 [INFO] [stdout] | [INFO] [stdout] 6 | async fn handle_request(req: Request) -> Result, Infallible> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/main.rs:6:25 [INFO] [stdout] | [INFO] [stdout] 6 | async fn handle_request(req: Request) -> Result, Infallible> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:6:83 [INFO] [stdout] | [INFO] [stdout] 6 | async fn handle_request(req: Request) -> Result, Infallible> { [INFO] [stdout] | ___________________________________________________________________________________^ [INFO] [stdout] 7 | | Ok(Response::new(Body::from("Hello, world"))) [INFO] [stdout] 8 | | } [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, Infallible> [INFO] [stdout] --> src/main.rs:6:83 [INFO] [stdout] | [INFO] [stdout] 6 | async fn handle_request(req: Request) -> Result, Infallible> { [INFO] [stdout] | ___________________________________________________________________________________^ [INFO] [stdout] 7 | | Ok(Response::new(Body::from("Hello, world"))) [INFO] [stdout] 8 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Ok(Response::new(Body::from("Hello, world"))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {handle_request}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:12:50 [INFO] [stdout] | [INFO] [stdout] 12 | let make_svc = make_service_fn(|_conn| async { [INFO] [stdout] | __________________________________________________^ [INFO] [stdout] 13 | | Ok::<_, Infallible>(service_fn(handle_request)) [INFO] [stdout] 14 | | }); [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {handle_request}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | Ok::<_, Infallible>(service_fn(handle_request)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serve` (bin "serve") due to 5 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:6:83 [INFO] [stdout] | [INFO] [stdout] 6 | async fn handle_request(req: Request) -> Result, Infallible> { [INFO] [stdout] | ___________________________________________________________________________________^ [INFO] [stdout] 7 | | Ok(Response::new(Body::from("Hello, world"))) [INFO] [stdout] 8 | | } [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, Infallible> [INFO] [stdout] --> src/main.rs:6:83 [INFO] [stdout] | [INFO] [stdout] 6 | async fn handle_request(req: Request) -> Result, Infallible> { [INFO] [stdout] | ___________________________________________________________________________________^ [INFO] [stdout] 7 | | Ok(Response::new(Body::from("Hello, world"))) [INFO] [stdout] 8 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Ok(Response::new(Body::from("Hello, world"))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {handle_request}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:12:50 [INFO] [stdout] | [INFO] [stdout] 12 | let make_svc = make_service_fn(|_conn| async { [INFO] [stdout] | __________________________________________________^ [INFO] [stdout] 13 | | Ok::<_, Infallible>(service_fn(handle_request)) [INFO] [stdout] 14 | | }); [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {handle_request}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | Ok::<_, Infallible>(service_fn(handle_request)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serve` (bin "serve" test) due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "e5c9c249f3a2a233f46157d09fcc08aa5c2630bb8202654473ba88bd0bf1366e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5c9c249f3a2a233f46157d09fcc08aa5c2630bb8202654473ba88bd0bf1366e", kill_on_drop: false }` [INFO] [stdout] e5c9c249f3a2a233f46157d09fcc08aa5c2630bb8202654473ba88bd0bf1366e