[INFO] cloning repository https://github.com/maksim1744/tic-tac-toe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maksim1744/tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaksim1744%2Ftic-tac-toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaksim1744%2Ftic-tac-toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3909daa5d7bcac1060115830c49d7a4dd39bead6
[INFO] checking maksim1744/tic-tac-toe 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%2Fmaksim1744%2Ftic-tac-toe" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maksim1744/tic-tac-toe
[INFO] finished tweaking git repo https://github.com/maksim1744/tic-tac-toe
[INFO] tweaked toml for git repo https://github.com/maksim1744/tic-tac-toe written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maksim1744/tic-tac-toe 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/maksim1744/tic-tac-toe 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f0069841c7c6408171a9f10f7d2448ef525538006a37add8798d36b7c5cd967d
[INFO] running `Command { std: "docker" "start" "-a" "f0069841c7c6408171a9f10f7d2448ef525538006a37add8798d36b7c5cd967d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0069841c7c6408171a9f10f7d2448ef525538006a37add8798d36b7c5cd967d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0069841c7c6408171a9f10f7d2448ef525538006a37add8798d36b7c5cd967d", kill_on_drop: false }`
[INFO] [stdout] f0069841c7c6408171a9f10f7d2448ef525538006a37add8798d36b7c5cd967d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 264cabf2ed61ee250975885ba0643e9b66164be285564dee51664c67e46da863
[INFO] running `Command { std: "docker" "start" "-a" "264cabf2ed61ee250975885ba0643e9b66164be285564dee51664c67e46da863", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking tracing v0.1.31
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking h2 v0.3.11
[INFO] [stderr]     Checking hyper v0.14.17
[INFO] [stderr]     Checking tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:114:41
[INFO] [stdout]     |
[INFO] [stdout] 114 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 115 | |     let body = match hyper::body::to_bytes(req.into_body()).await {
[INFO] [stdout] 116 | |         Ok(x) => x,
[INFO] [stdout] 117 | |         Err(e) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 176 | |     )))
[INFO] [stdout] 177 | | }
[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/main.rs:114:41
[INFO] [stdout]     |
[INFO] [stdout] 114 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 115 | |     let body = match hyper::body::to_bytes(req.into_body()).await {
[INFO] [stdout] 116 | |         Ok(x) => x,
[INFO] [stdout] 117 | |         Err(e) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 176 | |     )))
[INFO] [stdout] 177 | | }
[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:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 |             return Ok(response);
[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:132:20
[INFO] [stdout]     |
[INFO] [stdout] 132 |             return Ok(response);
[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:152:16
[INFO] [stdout]     |
[INFO] [stdout] 152 |           return Ok(Response::new(Body::from(
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 153 | |             serde_json::to_string(&response).unwrap(),
[INFO] [stdout] 154 | |         )));
[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:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 | /     Ok(Response::new(Body::from(
[INFO] [stdout] 175 | |         serde_json::to_string(&response).unwrap(),
[INFO] [stdout] 176 | |     )))
[INFO] [stdout]     | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/main.rs:211:44: 211:54}, Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:210:20
[INFO] [stdout]     |
[INFO] [stdout] 210 |           async move {
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 211 | |             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 212 | |                 let inner = Arc::clone(&inner);
[INFO] [stdout] 213 | |                 process_request(req, inner)
[INFO] [stdout] 214 | |             }))
[INFO] [stdout] 215 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/main.rs:211:44: 211:54}, Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 | /             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 212 | |                 let inner = Arc::clone(&inner);
[INFO] [stdout] 213 | |                 process_request(req, inner)
[INFO] [stdout] 214 | |             }))
[INFO] [stdout]     | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tic-tac-toe` (bin "tic-tac-toe" test) due to 8 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<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:114:41
[INFO] [stdout]     |
[INFO] [stdout] 114 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 115 | |     let body = match hyper::body::to_bytes(req.into_body()).await {
[INFO] [stdout] 116 | |         Ok(x) => x,
[INFO] [stdout] 117 | |         Err(e) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 176 | |     )))
[INFO] [stdout] 177 | | }
[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/main.rs:114:41
[INFO] [stdout]     |
[INFO] [stdout] 114 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 115 | |     let body = match hyper::body::to_bytes(req.into_body()).await {
[INFO] [stdout] 116 | |         Ok(x) => x,
[INFO] [stdout] 117 | |         Err(e) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 176 | |     )))
[INFO] [stdout] 177 | | }
[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:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 |             return Ok(response);
[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:132:20
[INFO] [stdout]     |
[INFO] [stdout] 132 |             return Ok(response);
[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:152:16
[INFO] [stdout]     |
[INFO] [stdout] 152 |           return Ok(Response::new(Body::from(
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 153 | |             serde_json::to_string(&response).unwrap(),
[INFO] [stdout] 154 | |         )));
[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:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 | /     Ok(Response::new(Body::from(
[INFO] [stdout] 175 | |         serde_json::to_string(&response).unwrap(),
[INFO] [stdout] 176 | |     )))
[INFO] [stdout]     | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/main.rs:211:44: 211:54}, Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:210:20
[INFO] [stdout]     |
[INFO] [stdout] 210 |           async move {
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 211 | |             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 212 | |                 let inner = Arc::clone(&inner);
[INFO] [stdout] 213 | |                 process_request(req, inner)
[INFO] [stdout] 214 | |             }))
[INFO] [stdout] 215 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/main.rs:211:44: 211:54}, Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 | /             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 212 | |                 let inner = Arc::clone(&inner);
[INFO] [stdout] 213 | |                 process_request(req, inner)
[INFO] [stdout] 214 | |             }))
[INFO] [stdout]     | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tic-tac-toe` (bin "tic-tac-toe") due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "264cabf2ed61ee250975885ba0643e9b66164be285564dee51664c67e46da863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "264cabf2ed61ee250975885ba0643e9b66164be285564dee51664c67e46da863", kill_on_drop: false }`
[INFO] [stdout] 264cabf2ed61ee250975885ba0643e9b66164be285564dee51664c67e46da863
