[INFO] cloning repository https://github.com/tenten0213/rust-response-image-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tenten0213/rust-response-image-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftenten0213%2Frust-response-image-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftenten0213%2Frust-response-image-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b03b4ebde3d31969c398d4bba9ff364a188321a1
[INFO] checking tenten0213/rust-response-image-example 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%2Ftenten0213%2Frust-response-image-example" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tenten0213/rust-response-image-example
[INFO] finished tweaking git repo https://github.com/tenten0213/rust-response-image-example
[INFO] tweaked toml for git repo https://github.com/tenten0213/rust-response-image-example written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tenten0213/rust-response-image-example 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/tenten0213/rust-response-image-example 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7d9bd24dbb9954f2666f0eafcb119f5c1a47a6ef0ba0615507a5996cec756ce1
[INFO] running `Command { std: "docker" "start" "-a" "7d9bd24dbb9954f2666f0eafcb119f5c1a47a6ef0ba0615507a5996cec756ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d9bd24dbb9954f2666f0eafcb119f5c1a47a6ef0ba0615507a5996cec756ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d9bd24dbb9954f2666f0eafcb119f5c1a47a6ef0ba0615507a5996cec756ce1", kill_on_drop: false }`
[INFO] [stdout] 7d9bd24dbb9954f2666f0eafcb119f5c1a47a6ef0ba0615507a5996cec756ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cee212562838aed895672a2319b003e51aeb69fba43f404106f3eb9a33c04ee4
[INFO] running `Command { std: "docker" "start" "-a" "cee212562838aed895672a2319b003e51aeb69fba43f404106f3eb9a33c04ee4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking tracing v0.1.30
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]     Checking serde v1.0.136
[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 rust-response-image-example 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:14:74
[INFO] [stdout]    |
[INFO] [stdout] 14 |   async fn hello(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 15 | |     match (req.method(), req.uri().path()) {
[INFO] [stdout] 16 | |         (&Method::GET, "/") =>
[INFO] [stdout] 17 | |             Ok(
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | | }
[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:14:74
[INFO] [stdout]    |
[INFO] [stdout] 14 |   async fn hello(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 15 | |     match (req.method(), req.uri().path()) {
[INFO] [stdout] 16 | |         (&Method::GET, "/") =>
[INFO] [stdout] 17 | |             Ok(
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | | }
[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:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     match (req.method(), req.uri().path()) {
[INFO] [stdout] 16 | |         (&Method::GET, "/") =>
[INFO] [stdout] 17 | |             Ok(
[INFO] [stdout] 18 | |                 Response::builder()
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |     }
[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:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | /             Ok(
[INFO] [stdout] 18 | |                 Response::builder()
[INFO] [stdout] 19 | |                     .header( header::CONTENT_TYPE, "application/octet-stream" )
[INFO] [stdout] 20 | |                     .body(Body::from(include_bytes!("example.jpeg").to_vec()))
[INFO] [stdout] 21 | |                     .unwrap()
[INFO] [stdout] 22 | |             ),
[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:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 |           (&Method::GET, "/json") => {
[INFO] [stdout]    |  ____________________________________^
[INFO] [stdout] 24 | |             let data = Image {
[INFO] [stdout] 25 | |                 image: base64::encode(include_bytes!("example.jpeg"))
[INFO] [stdout] 26 | |             };
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         }
[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:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 | /             Ok(
[INFO] [stdout] 28 | |                 Response::builder()
[INFO] [stdout] 29 | |                     .header(header::CONTENT_TYPE, "application/json")
[INFO] [stdout] 30 | |                     .body(Body::from(serde_json::to_string(&data).unwrap()))
[INFO] [stdout] 31 | |                     .unwrap()
[INFO] [stdout] 32 | |             )
[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:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |           _ => {
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 35 | |             Ok(
[INFO] [stdout] 36 | |                 Response::default()
[INFO] [stdout] 37 | |             )
[INFO] [stdout] 38 | |         }
[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:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 | /             Ok(
[INFO] [stdout] 36 | |                 Response::default()
[INFO] [stdout] 37 | |             )
[INFO] [stdout]    | |_____________^
[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 Future<Output = Result<Response<Body>, Infallible>> {hello}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 45 |         async { Ok::<_, Infallible>(service_fn(hello)) }
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 Future<Output = Result<Response<Body>, Infallible>> {hello}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |         async { Ok::<_, Infallible>(service_fn(hello)) }
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-response-image-example` (bin "rust-response-image-example") due to 10 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:14:74
[INFO] [stdout]    |
[INFO] [stdout] 14 |   async fn hello(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 15 | |     match (req.method(), req.uri().path()) {
[INFO] [stdout] 16 | |         (&Method::GET, "/") =>
[INFO] [stdout] 17 | |             Ok(
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | | }
[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:14:74
[INFO] [stdout]    |
[INFO] [stdout] 14 |   async fn hello(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 15 | |     match (req.method(), req.uri().path()) {
[INFO] [stdout] 16 | |         (&Method::GET, "/") =>
[INFO] [stdout] 17 | |             Ok(
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | | }
[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:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     match (req.method(), req.uri().path()) {
[INFO] [stdout] 16 | |         (&Method::GET, "/") =>
[INFO] [stdout] 17 | |             Ok(
[INFO] [stdout] 18 | |                 Response::builder()
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |     }
[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:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | /             Ok(
[INFO] [stdout] 18 | |                 Response::builder()
[INFO] [stdout] 19 | |                     .header( header::CONTENT_TYPE, "application/octet-stream" )
[INFO] [stdout] 20 | |                     .body(Body::from(include_bytes!("example.jpeg").to_vec()))
[INFO] [stdout] 21 | |                     .unwrap()
[INFO] [stdout] 22 | |             ),
[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:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 |           (&Method::GET, "/json") => {
[INFO] [stdout]    |  ____________________________________^
[INFO] [stdout] 24 | |             let data = Image {
[INFO] [stdout] 25 | |                 image: base64::encode(include_bytes!("example.jpeg"))
[INFO] [stdout] 26 | |             };
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         }
[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:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 | /             Ok(
[INFO] [stdout] 28 | |                 Response::builder()
[INFO] [stdout] 29 | |                     .header(header::CONTENT_TYPE, "application/json")
[INFO] [stdout] 30 | |                     .body(Body::from(serde_json::to_string(&data).unwrap()))
[INFO] [stdout] 31 | |                     .unwrap()
[INFO] [stdout] 32 | |             )
[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:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |           _ => {
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 35 | |             Ok(
[INFO] [stdout] 36 | |                 Response::default()
[INFO] [stdout] 37 | |             )
[INFO] [stdout] 38 | |         }
[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:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 | /             Ok(
[INFO] [stdout] 36 | |                 Response::default()
[INFO] [stdout] 37 | |             )
[INFO] [stdout]    | |_____________^
[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 Future<Output = Result<Response<Body>, Infallible>> {hello}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 45 |         async { Ok::<_, Infallible>(service_fn(hello)) }
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 Future<Output = Result<Response<Body>, Infallible>> {hello}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |         async { Ok::<_, Infallible>(service_fn(hello)) }
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-response-image-example` (bin "rust-response-image-example" test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "cee212562838aed895672a2319b003e51aeb69fba43f404106f3eb9a33c04ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cee212562838aed895672a2319b003e51aeb69fba43f404106f3eb9a33c04ee4", kill_on_drop: false }`
[INFO] [stdout] cee212562838aed895672a2319b003e51aeb69fba43f404106f3eb9a33c04ee4
