[INFO] fetching crate oneshotserver 1.0.0...
[INFO] checking oneshotserver-1.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate oneshotserver 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate oneshotserver 1.0.0
[INFO] finished tweaking crates.io crate oneshotserver 1.0.0
[INFO] tweaked toml for crates.io crate oneshotserver 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate oneshotserver 1.0.0 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]     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 64 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b6999f9a4951c36d3ff9c5aae455ef92f4d07f8898c6b6a370938d711a837674
[INFO] running `Command { std: "docker" "start" "-a" "b6999f9a4951c36d3ff9c5aae455ef92f4d07f8898c6b6a370938d711a837674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6999f9a4951c36d3ff9c5aae455ef92f4d07f8898c6b6a370938d711a837674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6999f9a4951c36d3ff9c5aae455ef92f4d07f8898c6b6a370938d711a837674", kill_on_drop: false }`
[INFO] [stdout] b6999f9a4951c36d3ff9c5aae455ef92f4d07f8898c6b6a370938d711a837674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3f3807cec5eb8ccee701cb55314790270f3dd22a8d4f01de8865cf0114bd72b0
[INFO] running `Command { std: "docker" "start" "-a" "3f3807cec5eb8ccee701cb55314790270f3dd22a8d4f01de8865cf0114bd72b0", kill_on_drop: false }`
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking debug_print v1.0.0
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking oneshotserver v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/lib.rs:23:87
[INFO] [stdout]    |
[INFO] [stdout] 23 |   async fn handle_request(request: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  _______________________________________________________________________________________^
[INFO] [stdout] 24 | |     // TODO: Add better error handling in case of failure.
[INFO] [stdout] 25 | |     match G_SENDER.lock().unwrap().take() {
[INFO] [stdout] 26 | |         Some(sender) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |     Ok(Response::new(Body::from("Request handled successfully!")))
[INFO] [stdout] 37 | | }
[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/lib.rs:23:87
[INFO] [stdout]    |
[INFO] [stdout] 23 |   async fn handle_request(request: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  _______________________________________________________________________________________^
[INFO] [stdout] 24 | |     // TODO: Add better error handling in case of failure.
[INFO] [stdout] 25 | |     match G_SENDER.lock().unwrap().take() {
[INFO] [stdout] 26 | |         Some(sender) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |     Ok(Response::new(Body::from("Request handled successfully!")))
[INFO] [stdout] 37 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Ok(Response::new(Body::from("Request handled successfully!")))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<service::util::ServiceFn<{closure@src/lib.rs:55:40: 55:54}, Body>, Infallible>
[INFO] [stdout]   --> src/lib.rs:54:74
[INFO] [stdout]    |
[INFO] [stdout] 54 |       let make_service = make_service_fn(|_socket: &AddrStream| async move {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 55 | |         Ok::<_, Infallible>(service_fn(move |request| handle_request(request)))
[INFO] [stdout] 56 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<service::util::ServiceFn<{closure@src/lib.rs:55:40: 55:54}, Body>, Infallible>
[INFO] [stdout]   --> src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         Ok::<_, Infallible>(service_fn(move |request| handle_request(request)))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/lib.rs:23:87
[INFO] [stdout]    |
[INFO] [stdout] 23 |   async fn handle_request(request: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  _______________________________________________________________________________________^
[INFO] [stdout] 24 | |     // TODO: Add better error handling in case of failure.
[INFO] [stdout] 25 | |     match G_SENDER.lock().unwrap().take() {
[INFO] [stdout] 26 | |         Some(sender) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |     Ok(Response::new(Body::from("Request handled successfully!")))
[INFO] [stdout] 37 | | }
[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/lib.rs:23:87
[INFO] [stdout]    |
[INFO] [stdout] 23 |   async fn handle_request(request: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  _______________________________________________________________________________________^
[INFO] [stdout] 24 | |     // TODO: Add better error handling in case of failure.
[INFO] [stdout] 25 | |     match G_SENDER.lock().unwrap().take() {
[INFO] [stdout] 26 | |         Some(sender) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |     Ok(Response::new(Body::from("Request handled successfully!")))
[INFO] [stdout] 37 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Ok(Response::new(Body::from("Request handled successfully!")))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<service::util::ServiceFn<{closure@src/lib.rs:55:40: 55:54}, Body>, Infallible>
[INFO] [stdout]   --> src/lib.rs:54:74
[INFO] [stdout]    |
[INFO] [stdout] 54 |       let make_service = make_service_fn(|_socket: &AddrStream| async move {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 55 | |         Ok::<_, Infallible>(service_fn(move |request| handle_request(request)))
[INFO] [stdout] 56 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<service::util::ServiceFn<{closure@src/lib.rs:55:40: 55:54}, Body>, Infallible>
[INFO] [stdout]   --> src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         Ok::<_, Infallible>(service_fn(move |request| handle_request(request)))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oneshotserver` (lib test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `oneshotserver` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "3f3807cec5eb8ccee701cb55314790270f3dd22a8d4f01de8865cf0114bd72b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3807cec5eb8ccee701cb55314790270f3dd22a8d4f01de8865cf0114bd72b0", kill_on_drop: false }`
[INFO] [stdout] 3f3807cec5eb8ccee701cb55314790270f3dd22a8d4f01de8865cf0114bd72b0
