[INFO] cloning repository https://github.com/codygreen/echo-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codygreen/echo-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodygreen%2Fecho-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodygreen%2Fecho-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 31a3889998d74039be0b16f8addffac8a0fde909 [INFO] checking codygreen/echo-server 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%2Fcodygreen%2Fecho-server" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/codygreen/echo-server [INFO] finished tweaking git repo https://github.com/codygreen/echo-server [INFO] tweaked toml for git repo https://github.com/codygreen/echo-server written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/codygreen/echo-server 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/codygreen/echo-server 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 93b952309d2052285b28d30bb3f9475ebe4cf867f0a27883030f83f7de9e8b7b [INFO] running `Command { std: "docker" "start" "-a" "93b952309d2052285b28d30bb3f9475ebe4cf867f0a27883030f83f7de9e8b7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93b952309d2052285b28d30bb3f9475ebe4cf867f0a27883030f83f7de9e8b7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93b952309d2052285b28d30bb3f9475ebe4cf867f0a27883030f83f7de9e8b7b", kill_on_drop: false }` [INFO] [stdout] 93b952309d2052285b28d30bb3f9475ebe4cf867f0a27883030f83f7de9e8b7b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 50a7f049916735e98199fabe067010d9452c7303bce5dab140b9d9392414b2e7 [INFO] running `Command { std: "docker" "start" "-a" "50a7f049916735e98199fabe067010d9452c7303bce5dab140b9d9392414b2e7", kill_on_drop: false }` [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Compiling syn v2.0.60 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Checking parking_lot v0.12.2 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Checking echo-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:6:73 [INFO] [stdout] | [INFO] [stdout] 6 | async fn echo(req: Request) -> Result, Infallible> { [INFO] [stdout] | _________________________________________________________________________^ [INFO] [stdout] 7 | | // Get the HTTP method, path and body from the request [INFO] [stdout] 8 | | let (parts, body) = req.into_parts(); [INFO] [stdout] ... | [INFO] [stdout] 18 | | Ok(response) [INFO] [stdout] 19 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `echo-server` (bin "echo-server") due to 5 previous errors [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:6:73 [INFO] [stdout] | [INFO] [stdout] 6 | async fn echo(req: Request) -> Result, Infallible> { [INFO] [stdout] | _________________________________________________________________________^ [INFO] [stdout] 7 | | // Get the HTTP method, path and body from the request [INFO] [stdout] 8 | | let (parts, body) = req.into_parts(); [INFO] [stdout] ... | [INFO] [stdout] 18 | | Ok(response) [INFO] [stdout] 19 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [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:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | Ok(response) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {echo}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:25:50 [INFO] [stdout] | [INFO] [stdout] 25 | let make_svc = make_service_fn(|_conn| async { [INFO] [stdout] | __________________________________________________^ [INFO] [stdout] 26 | | Ok::<_, Infallible>(service_fn(echo)) [INFO] [stdout] 27 | | }); [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {echo}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | Ok::<_, Infallible>(service_fn(echo)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:6:73 [INFO] [stdout] | [INFO] [stdout] 6 | async fn echo(req: Request) -> Result, Infallible> { [INFO] [stdout] | _________________________________________________________________________^ [INFO] [stdout] 7 | | // Get the HTTP method, path and body from the request [INFO] [stdout] 8 | | let (parts, body) = req.into_parts(); [INFO] [stdout] ... | [INFO] [stdout] 18 | | Ok(response) [INFO] [stdout] 19 | | } [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:6:73 [INFO] [stdout] | [INFO] [stdout] 6 | async fn echo(req: Request) -> Result, Infallible> { [INFO] [stdout] | _________________________________________________________________________^ [INFO] [stdout] 7 | | // Get the HTTP method, path and body from the request [INFO] [stdout] 8 | | let (parts, body) = req.into_parts(); [INFO] [stdout] ... | [INFO] [stdout] 18 | | Ok(response) [INFO] [stdout] 19 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | Ok(response) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {echo}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:25:50 [INFO] [stdout] | [INFO] [stdout] 25 | let make_svc = make_service_fn(|_conn| async { [INFO] [stdout] | __________________________________________________^ [INFO] [stdout] 26 | | Ok::<_, Infallible>(service_fn(echo)) [INFO] [stdout] 27 | | }); [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {echo}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | Ok::<_, Infallible>(service_fn(echo)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `echo-server` (bin "echo-server" test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "50a7f049916735e98199fabe067010d9452c7303bce5dab140b9d9392414b2e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50a7f049916735e98199fabe067010d9452c7303bce5dab140b9d9392414b2e7", kill_on_drop: false }` [INFO] [stdout] 50a7f049916735e98199fabe067010d9452c7303bce5dab140b9d9392414b2e7