[INFO] fetching crate warp-handle 0.5.1... [INFO] checking warp-handle-0.5.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate warp-handle 0.5.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate warp-handle 0.5.1 [INFO] finished tweaking crates.io crate warp-handle 0.5.1 [INFO] tweaked toml for crates.io crate warp-handle 0.5.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate warp-handle 0.5.1 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 137 packages to latest compatible versions [INFO] [stderr] Adding generic-array v0.14.7 (available: v0.14.9) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] [stderr] Adding warp v0.3.7 (available: v0.4.2) [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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] 33b710cfeb40ea1815628d17ba2aa4e167344fdf9e0ba49d8a2a8e73124269c2 [INFO] running `Command { std: "docker" "start" "-a" "33b710cfeb40ea1815628d17ba2aa4e167344fdf9e0ba49d8a2a8e73124269c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33b710cfeb40ea1815628d17ba2aa4e167344fdf9e0ba49d8a2a8e73124269c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33b710cfeb40ea1815628d17ba2aa4e167344fdf9e0ba49d8a2a8e73124269c2", kill_on_drop: false }` [INFO] [stdout] 33b710cfeb40ea1815628d17ba2aa4e167344fdf9e0ba49d8a2a8e73124269c2 [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] 9a113b57f9a51b73d1c15407299d93f8754593e4af7a632b5e468433ef17f74a [INFO] running `Command { std: "docker" "start" "-a" "9a113b57f9a51b73d1c15407299d93f8754593e4af7a632b5e468433ef17f74a", kill_on_drop: false }` [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking tokio v1.48.0 [INFO] [stderr] Compiling multer v2.1.0 [INFO] [stderr] Compiling pin-project-internal v1.1.10 [INFO] [stderr] Checking headers-core v0.2.0 [INFO] [stderr] Checking tungstenite v0.21.0 [INFO] [stderr] Checking headers v0.3.9 [INFO] [stderr] Checking pin-project v1.1.10 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking tokio-util v0.7.17 [INFO] [stderr] Checking tokio-tungstenite v0.21.0 [INFO] [stderr] Checking h2 v0.3.27 [INFO] [stderr] Checking hyper v0.14.32 [INFO] [stderr] Checking warp v0.3.7 [INFO] [stderr] Checking warp-handle v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `hello` [INFO] [stdout] --> src/tests.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let hello = get() [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_hello` [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 [INFO] [stdout] --> src/tests.rs:13:71 [INFO] [stdout] | [INFO] [stdout] 13 | pub async fn hello (name: String) -> Result { [INFO] [stdout] | _______________________________________________________________________^ [INFO] [stdout] 14 | | Ok(format!("Hello, {}!", name)) [INFO] [stdout] 15 | | } [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 [INFO] [stdout] --> src/tests.rs:13:71 [INFO] [stdout] | [INFO] [stdout] 13 | pub async fn hello (name: String) -> Result { [INFO] [stdout] | _______________________________________________________________________^ [INFO] [stdout] 14 | | Ok(format!("Hello, {}!", name)) [INFO] [stdout] 15 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/tests.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | Ok(format!("Hello, {}!", name)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `warp-handle` (lib test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "9a113b57f9a51b73d1c15407299d93f8754593e4af7a632b5e468433ef17f74a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a113b57f9a51b73d1c15407299d93f8754593e4af7a632b5e468433ef17f74a", kill_on_drop: false }` [INFO] [stdout] 9a113b57f9a51b73d1c15407299d93f8754593e4af7a632b5e468433ef17f74a