[INFO] cloning repository https://github.com/sirahd/hyper-http2-rst-stream-cancel-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sirahd/hyper-http2-rst-stream-cancel-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirahd%2Fhyper-http2-rst-stream-cancel-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirahd%2Fhyper-http2-rst-stream-cancel-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e168af13bb39f58f3bc6ec81998f7c5cc76ab3f
[INFO] checking sirahd/hyper-http2-rst-stream-cancel-repro 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%2Fsirahd%2Fhyper-http2-rst-stream-cancel-repro" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sirahd/hyper-http2-rst-stream-cancel-repro
[INFO] finished tweaking git repo https://github.com/sirahd/hyper-http2-rst-stream-cancel-repro
[INFO] tweaked toml for git repo https://github.com/sirahd/hyper-http2-rst-stream-cancel-repro written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sirahd/hyper-http2-rst-stream-cancel-repro 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/sirahd/hyper-http2-rst-stream-cancel-repro 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0644abae474b60d15d873784600482874451e0b2d7a71a15b2650d5e3fa488ea
[INFO] running `Command { std: "docker" "start" "-a" "0644abae474b60d15d873784600482874451e0b2d7a71a15b2650d5e3fa488ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0644abae474b60d15d873784600482874451e0b2d7a71a15b2650d5e3fa488ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0644abae474b60d15d873784600482874451e0b2d7a71a15b2650d5e3fa488ea", kill_on_drop: false }`
[INFO] [stdout] 0644abae474b60d15d873784600482874451e0b2d7a71a15b2650d5e3fa488ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 03bdb19e444ce153be793423c4798bed6e16a31214cab4481cbddaa999afce88
[INFO] running `Command { std: "docker" "start" "-a" "03bdb19e444ce153be793423c4798bed6e16a31214cab4481cbddaa999afce88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking http-body-util v0.1.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking h2 v0.4.5
[INFO] [stderr]     Checking hyper v1.3.1
[INFO] [stderr]     Checking hyper-util v0.1.5
[INFO] [stderr]     Checking repro_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/bin/server.rs:15:106
[INFO] [stdout]    |
[INFO] [stdout] 15 |   async fn hello(mut request: Request<hyper::body::Incoming>) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________________________________________^
[INFO] [stdout] 16 | |     println!("receiving request {:?}", request);
[INFO] [stdout] 17 | |     match *request.method() {
[INFO] [stdout] 18 | |         Method::POST => {
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | | }
[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<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/bin/server.rs:15:106
[INFO] [stdout]    |
[INFO] [stdout] 15 |   async fn hello(mut request: Request<hyper::body::Incoming>) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________________________________________^
[INFO] [stdout] 16 | |     println!("receiving request {:?}", request);
[INFO] [stdout] 17 | |     match *request.method() {
[INFO] [stdout] 18 | |         Method::POST => {
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/bin/server.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     match *request.method() {
[INFO] [stdout] 18 | |         Method::POST => {
[INFO] [stdout] 19 | |             let data = request.body_mut().collect().await.unwrap().to_bytes();
[INFO] [stdout] 20 | |             let transfer_bytes = data.len();
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |         _ => Ok(Response::new(Full::new(Bytes::new())))
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/bin/server.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 |           Method::POST => {
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 19 | |             let data = request.body_mut().collect().await.unwrap().to_bytes();
[INFO] [stdout] 20 | |             let transfer_bytes = data.len();
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |             Ok(Response::new(Full::new(Bytes::from(transfer_bytes.to_string()))))
[INFO] [stdout] 24 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/bin/server.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             Ok(Response::new(Full::new(Bytes::from(transfer_bytes.to_string()))))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/bin/server.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |         _ => Ok(Response::new(Full::new(Bytes::new())))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `repro_server` (bin "server") due to 6 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<Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/bin/server.rs:15:106
[INFO] [stdout]    |
[INFO] [stdout] 15 |   async fn hello(mut request: Request<hyper::body::Incoming>) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________________________________________^
[INFO] [stdout] 16 | |     println!("receiving request {:?}", request);
[INFO] [stdout] 17 | |     match *request.method() {
[INFO] [stdout] 18 | |         Method::POST => {
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | | }
[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<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/bin/server.rs:15:106
[INFO] [stdout]    |
[INFO] [stdout] 15 |   async fn hello(mut request: Request<hyper::body::Incoming>) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________________________________________^
[INFO] [stdout] 16 | |     println!("receiving request {:?}", request);
[INFO] [stdout] 17 | |     match *request.method() {
[INFO] [stdout] 18 | |         Method::POST => {
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/bin/server.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     match *request.method() {
[INFO] [stdout] 18 | |         Method::POST => {
[INFO] [stdout] 19 | |             let data = request.body_mut().collect().await.unwrap().to_bytes();
[INFO] [stdout] 20 | |             let transfer_bytes = data.len();
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |         _ => Ok(Response::new(Full::new(Bytes::new())))
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/bin/server.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 |           Method::POST => {
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 19 | |             let data = request.body_mut().collect().await.unwrap().to_bytes();
[INFO] [stdout] 20 | |             let transfer_bytes = data.len();
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |             Ok(Response::new(Full::new(Bytes::from(transfer_bytes.to_string()))))
[INFO] [stdout] 24 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/bin/server.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             Ok(Response::new(Full::new(Bytes::from(transfer_bytes.to_string()))))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> src/bin/server.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |         _ => Ok(Response::new(Full::new(Bytes::new())))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `repro_server` (bin "server" test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "03bdb19e444ce153be793423c4798bed6e16a31214cab4481cbddaa999afce88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03bdb19e444ce153be793423c4798bed6e16a31214cab4481cbddaa999afce88", kill_on_drop: false }`
[INFO] [stdout] 03bdb19e444ce153be793423c4798bed6e16a31214cab4481cbddaa999afce88