[INFO] cloning repository https://github.com/thinkier/tcp-h264-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thinkier/tcp-h264-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthinkier%2Ftcp-h264-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthinkier%2Ftcp-h264-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac47917d1c04374c3da3c3ba01bb325c96a16e67
[INFO] checking thinkier/tcp-h264-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%2Fthinkier%2Ftcp-h264-server" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thinkier/tcp-h264-server
[INFO] finished tweaking git repo https://github.com/thinkier/tcp-h264-server
[INFO] tweaked toml for git repo https://github.com/thinkier/tcp-h264-server written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thinkier/tcp-h264-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/thinkier/tcp-h264-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 529ee03a97ff1014f980246b7be60d5109518fdac8aac6257c511f7daca189bb
[INFO] running `Command { std: "docker" "start" "-a" "529ee03a97ff1014f980246b7be60d5109518fdac8aac6257c511f7daca189bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "529ee03a97ff1014f980246b7be60d5109518fdac8aac6257c511f7daca189bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529ee03a97ff1014f980246b7be60d5109518fdac8aac6257c511f7daca189bb", kill_on_drop: false }`
[INFO] [stdout] 529ee03a97ff1014f980246b7be60d5109518fdac8aac6257c511f7daca189bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5c447e1aa8e96fe5d1788f82028bac4c90c18a6676ec7a1cdc7a2c3a9a3f3c73
[INFO] running `Command { std: "docker" "start" "-a" "5c447e1aa8e96fe5d1788f82028bac4c90c18a6676ec7a1cdc7a2c3a9a3f3c73", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling argh_derive v0.1.7
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking argh v0.1.7
[INFO] [stderr]     Checking h264_nal_paging v0.1.7
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking tcp-h264-server v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Image` is never constructed
[INFO] [stdout]   --> src/implem/camera/mod.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum Mode {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] 14 |     Image,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_shutter_speed` is never used
[INFO] [stdout]   --> src/implem/camera/mod.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl CameraArgs {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn with_shutter_speed(&mut self, duration: Duration) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `handle` is never read
[INFO] [stdout]    --> src/implem/camera/video.rs:104:2
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub struct VideoWrapper {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 104 |     handle: Am<JoinHandle<()>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VideoWrapper` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/service/image.rs:26:35: 26:45}, Body>, Infallible>
[INFO] [stdout]   --> src/service/image.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |           async move {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 26 | |             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 27 | |                 handle(ctx.clone(), addr, req)
[INFO] [stdout] 28 | |             }))
[INFO] [stdout] 29 | |         }
[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<{closure@src/service/image.rs:26:35: 26:45}, Body>, Infallible>
[INFO] [stdout]   --> src/service/image.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | /             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 27 | |                 handle(ctx.clone(), addr, req)
[INFO] [stdout] 28 | |             }))
[INFO] [stdout]    | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/service/image.rs:38:108
[INFO] [stdout]    |
[INFO] [stdout] 38 |   async fn handle(ctx: HyperCtx, addr: SocketAddr, req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  ____________________________________________________________________________________________________________^
[INFO] [stdout] 39 | |     if req.method() != Method::GET || req.uri() != "/" {
[INFO] [stdout] 40 | |         return bad_request();
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |         .unwrap())
[INFO] [stdout] 49 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/service/image.rs:38:108
[INFO] [stdout]    |
[INFO] [stdout] 38 |   async fn handle(ctx: HyperCtx, addr: SocketAddr, req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  ____________________________________________________________________________________________________________^
[INFO] [stdout] 39 | |     if req.method() != Method::GET || req.uri() != "/" {
[INFO] [stdout] 40 | |         return bad_request();
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |         .unwrap())
[INFO] [stdout] 49 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/service/image.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 |         return bad_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/service/image.rs:44:2
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     Ok(Response::builder()
[INFO] [stdout] 45 | |         .status(StatusCode::OK)
[INFO] [stdout] 46 | |         .header(HeaderName::from_static("content-type"), HeaderValue::from_static("image/jpeg"))
[INFO] [stdout] 47 | |         .body(Body::from(bytes))
[INFO] [stdout] 48 | |         .unwrap())
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/service/image.rs:51:56
[INFO] [stdout]    |
[INFO] [stdout] 51 |   fn bad_request() -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 52 | |     Ok(Response::builder()
[INFO] [stdout] 53 | |         .status(StatusCode::BAD_REQUEST)
[INFO] [stdout] 54 | |         .body(Body::empty())
[INFO] [stdout] 55 | |         .unwrap())
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/service/image.rs:52:2
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     Ok(Response::builder()
[INFO] [stdout] 53 | |         .status(StatusCode::BAD_REQUEST)
[INFO] [stdout] 54 | |         .body(Body::empty())
[INFO] [stdout] 55 | |         .unwrap())
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp-h264-server` (bin "tcp-h264-server") due to 8 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variant `Image` is never constructed
[INFO] [stdout]   --> src/implem/camera/mod.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum Mode {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] 14 |     Image,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_shutter_speed` is never used
[INFO] [stdout]   --> src/implem/camera/mod.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl CameraArgs {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn with_shutter_speed(&mut self, duration: Duration) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `handle` is never read
[INFO] [stdout]    --> src/implem/camera/video.rs:104:2
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub struct VideoWrapper {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 104 |     handle: Am<JoinHandle<()>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VideoWrapper` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/service/image.rs:26:35: 26:45}, Body>, Infallible>
[INFO] [stdout]   --> src/service/image.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |           async move {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 26 | |             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 27 | |                 handle(ctx.clone(), addr, req)
[INFO] [stdout] 28 | |             }))
[INFO] [stdout] 29 | |         }
[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<{closure@src/service/image.rs:26:35: 26:45}, Body>, Infallible>
[INFO] [stdout]   --> src/service/image.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | /             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 27 | |                 handle(ctx.clone(), addr, req)
[INFO] [stdout] 28 | |             }))
[INFO] [stdout]    | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/service/image.rs:38:108
[INFO] [stdout]    |
[INFO] [stdout] 38 |   async fn handle(ctx: HyperCtx, addr: SocketAddr, req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  ____________________________________________________________________________________________________________^
[INFO] [stdout] 39 | |     if req.method() != Method::GET || req.uri() != "/" {
[INFO] [stdout] 40 | |         return bad_request();
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |         .unwrap())
[INFO] [stdout] 49 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/service/image.rs:38:108
[INFO] [stdout]    |
[INFO] [stdout] 38 |   async fn handle(ctx: HyperCtx, addr: SocketAddr, req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  ____________________________________________________________________________________________________________^
[INFO] [stdout] 39 | |     if req.method() != Method::GET || req.uri() != "/" {
[INFO] [stdout] 40 | |         return bad_request();
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |         .unwrap())
[INFO] [stdout] 49 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/service/image.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 |         return bad_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/service/image.rs:44:2
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     Ok(Response::builder()
[INFO] [stdout] 45 | |         .status(StatusCode::OK)
[INFO] [stdout] 46 | |         .header(HeaderName::from_static("content-type"), HeaderValue::from_static("image/jpeg"))
[INFO] [stdout] 47 | |         .body(Body::from(bytes))
[INFO] [stdout] 48 | |         .unwrap())
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/service/image.rs:51:56
[INFO] [stdout]    |
[INFO] [stdout] 51 |   fn bad_request() -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 52 | |     Ok(Response::builder()
[INFO] [stdout] 53 | |         .status(StatusCode::BAD_REQUEST)
[INFO] [stdout] 54 | |         .body(Body::empty())
[INFO] [stdout] 55 | |         .unwrap())
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/service/image.rs:52:2
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     Ok(Response::builder()
[INFO] [stdout] 53 | |         .status(StatusCode::BAD_REQUEST)
[INFO] [stdout] 54 | |         .body(Body::empty())
[INFO] [stdout] 55 | |         .unwrap())
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp-h264-server` (bin "tcp-h264-server" test) due to 8 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5c447e1aa8e96fe5d1788f82028bac4c90c18a6676ec7a1cdc7a2c3a9a3f3c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c447e1aa8e96fe5d1788f82028bac4c90c18a6676ec7a1cdc7a2c3a9a3f3c73", kill_on_drop: false }`
[INFO] [stdout] 5c447e1aa8e96fe5d1788f82028bac4c90c18a6676ec7a1cdc7a2c3a9a3f3c73
