[INFO] cloning repository https://github.com/OmarMWarraich/hyper-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OmarMWarraich/hyper-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOmarMWarraich%2Fhyper-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOmarMWarraich%2Fhyper-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bba0de7028ebc53ad1c255b9f1495773754c10b1
[INFO] checking OmarMWarraich/hyper-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%2FOmarMWarraich%2Fhyper-rust" "/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/OmarMWarraich/hyper-rust
[INFO] finished tweaking git repo https://github.com/OmarMWarraich/hyper-rust
[INFO] tweaked toml for git repo https://github.com/OmarMWarraich/hyper-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/OmarMWarraich/hyper-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/OmarMWarraich/hyper-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-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] bbf6fb98592e382738605e591ead1803210f6908b079fa9c900384f1b02f9ebb
[INFO] running `Command { std: "docker" "start" "-a" "bbf6fb98592e382738605e591ead1803210f6908b079fa9c900384f1b02f9ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbf6fb98592e382738605e591ead1803210f6908b079fa9c900384f1b02f9ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf6fb98592e382738605e591ead1803210f6908b079fa9c900384f1b02f9ebb", kill_on_drop: false }`
[INFO] [stdout] bbf6fb98592e382738605e591ead1803210f6908b079fa9c900384f1b02f9ebb
[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] 4cb700ec547b206efc378bcb71668e7298e5963376fdc129ce3572e31a9952b6
[INFO] running `Command { std: "docker" "start" "-a" "4cb700ec547b206efc378bcb71668e7298e5963376fdc129ce3572e31a9952b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking hyper-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<fn(hyper::Request<Body>) -> impl futures::Future<Output = Result<Response<Body>, Infallible>> {hello_world}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:40:50
[INFO] [stdout]    |
[INFO] [stdout] 40 |       let make_svc = make_service_fn(|_conn| async {
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 41 | |         // service_fn converts our function into a `Service`
[INFO] [stdout] 42 | |         Ok::<_, Infallible>(service_fn(hello_world))
[INFO] [stdout] 43 | |     });
[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<hyper::service::util::ServiceFn<fn(hyper::Request<Body>) -> impl futures::Future<Output = Result<Response<Body>, Infallible>> {hello_world}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Ok::<_, Infallible>(service_fn(hello_world))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:53:80
[INFO] [stdout]    |
[INFO] [stdout] 53 |   async fn hello_world(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  ________________________________________________________________________________^
[INFO] [stdout] 54 | |     
[INFO] [stdout] 55 | | let mut response = Response::new(Body::empty());
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | | Ok(response)
[INFO] [stdout] 85 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:53:80
[INFO] [stdout]    |
[INFO] [stdout] 53 |   async fn hello_world(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  ________________________________________________________________________________^
[INFO] [stdout] 54 | |     
[INFO] [stdout] 55 | | let mut response = Response::new(Body::empty());
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | | Ok(response)
[INFO] [stdout] 85 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | Ok(response)
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyper-rust` (bin "hyper-rust" 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<hyper::service::util::ServiceFn<fn(hyper::Request<Body>) -> impl futures::Future<Output = Result<Response<Body>, Infallible>> {hello_world}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:40:50
[INFO] [stdout]    |
[INFO] [stdout] 40 |       let make_svc = make_service_fn(|_conn| async {
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 41 | |         // service_fn converts our function into a `Service`
[INFO] [stdout] 42 | |         Ok::<_, Infallible>(service_fn(hello_world))
[INFO] [stdout] 43 | |     });
[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<hyper::service::util::ServiceFn<fn(hyper::Request<Body>) -> impl futures::Future<Output = Result<Response<Body>, Infallible>> {hello_world}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Ok::<_, Infallible>(service_fn(hello_world))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:53:80
[INFO] [stdout]    |
[INFO] [stdout] 53 |   async fn hello_world(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  ________________________________________________________________________________^
[INFO] [stdout] 54 | |     
[INFO] [stdout] 55 | | let mut response = Response::new(Body::empty());
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | | Ok(response)
[INFO] [stdout] 85 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:53:80
[INFO] [stdout]    |
[INFO] [stdout] 53 |   async fn hello_world(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  ________________________________________________________________________________^
[INFO] [stdout] 54 | |     
[INFO] [stdout] 55 | | let mut response = Response::new(Body::empty());
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | | Ok(response)
[INFO] [stdout] 85 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | Ok(response)
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyper-rust` (bin "hyper-rust") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "4cb700ec547b206efc378bcb71668e7298e5963376fdc129ce3572e31a9952b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cb700ec547b206efc378bcb71668e7298e5963376fdc129ce3572e31a9952b6", kill_on_drop: false }`
[INFO] [stdout] 4cb700ec547b206efc378bcb71668e7298e5963376fdc129ce3572e31a9952b6
