[INFO] fetching crate prin 0.1.0...
[INFO] checking prin-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate prin 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate prin 0.1.0
[INFO] finished tweaking crates.io crate prin 0.1.0
[INFO] tweaked toml for crates.io crate prin 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prin 0.1.0 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 crates.io crate prin 0.1.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 78f49ffd32484f1eb534e39cb4e678d2a266e25079a1e570b94de153c686a8f4
[INFO] running `Command { std: "docker" "start" "-a" "78f49ffd32484f1eb534e39cb4e678d2a266e25079a1e570b94de153c686a8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78f49ffd32484f1eb534e39cb4e678d2a266e25079a1e570b94de153c686a8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f49ffd32484f1eb534e39cb4e678d2a266e25079a1e570b94de153c686a8f4", kill_on_drop: false }`
[INFO] [stdout] 78f49ffd32484f1eb534e39cb4e678d2a266e25079a1e570b94de153c686a8f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 72421676e90aee260585a67ece3dd9c3deabc86f7b087c89890703e9b7f73ece
[INFO] running `Command { std: "docker" "start" "-a" "72421676e90aee260585a67ece3dd9c3deabc86f7b087c89890703e9b7f73ece", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking bytes v1.10.0
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling httparse v1.10.0
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking unicase v2.8.1
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking console v0.15.10
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking clap_builder v4.5.29
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking tempfile v3.16.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking dialoguer v0.11.0
[INFO] [stderr]     Checking clap v4.5.29
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking hyper-reverse-proxy v0.5.1
[INFO] [stderr]     Checking prin 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:218:41
[INFO] [stdout]     |
[INFO] [stdout] 218 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 219 | |     let path = req.uri().path();
[INFO] [stdout] 220 | |
[INFO] [stdout] 221 | |     for (prefix, target) in &config.routes {
[INFO] [stdout] ...   |
[INFO] [stdout] 240 | |     Ok(Response::new(Body::from(body_str)))
[INFO] [stdout] 241 | | }
[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:218:41
[INFO] [stdout]     |
[INFO] [stdout] 218 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 219 | |     let path = req.uri().path();
[INFO] [stdout] 220 | |
[INFO] [stdout] 221 | |     for (prefix, target) in &config.routes {
[INFO] [stdout] ...   |
[INFO] [stdout] 240 | |     Ok(Response::new(Body::from(body_str)))
[INFO] [stdout] 241 | | }
[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:228:40
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 Ok(response) => 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:230:28
[INFO] [stdout]     |
[INFO] [stdout] 230 |                       return Ok(Response::builder()
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 231 | |                         .status(StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] 232 | |                         .body(Body::empty())
[INFO] [stdout] 233 | |                         .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/main.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 |     Ok(Response::new(Body::from(body_str)))
[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:258:52: 258:62}, Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:257:28
[INFO] [stdout]     |
[INFO] [stdout] 257 |                   async move {
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 258 | |                     Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 259 | |                         let config = Arc::clone(&config);
[INFO] [stdout] 260 | |                         handle_request(remote_addr, req, config)
[INFO] [stdout] 261 | |                     }))
[INFO] [stdout] 262 | |                 }
[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:258:52: 258:62}, Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:258:21
[INFO] [stdout]     |
[INFO] [stdout] 258 | /                     Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 259 | |                         let config = Arc::clone(&config);
[INFO] [stdout] 260 | |                         handle_request(remote_addr, req, config)
[INFO] [stdout] 261 | |                     }))
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prin` (bin "prin" test) due to 7 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:218:41
[INFO] [stdout]     |
[INFO] [stdout] 218 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 219 | |     let path = req.uri().path();
[INFO] [stdout] 220 | |
[INFO] [stdout] 221 | |     for (prefix, target) in &config.routes {
[INFO] [stdout] ...   |
[INFO] [stdout] 240 | |     Ok(Response::new(Body::from(body_str)))
[INFO] [stdout] 241 | | }
[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:218:41
[INFO] [stdout]     |
[INFO] [stdout] 218 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 219 | |     let path = req.uri().path();
[INFO] [stdout] 220 | |
[INFO] [stdout] 221 | |     for (prefix, target) in &config.routes {
[INFO] [stdout] ...   |
[INFO] [stdout] 240 | |     Ok(Response::new(Body::from(body_str)))
[INFO] [stdout] 241 | | }
[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:228:40
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 Ok(response) => 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:230:28
[INFO] [stdout]     |
[INFO] [stdout] 230 |                       return Ok(Response::builder()
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 231 | |                         .status(StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] 232 | |                         .body(Body::empty())
[INFO] [stdout] 233 | |                         .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/main.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 |     Ok(Response::new(Body::from(body_str)))
[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:258:52: 258:62}, Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:257:28
[INFO] [stdout]     |
[INFO] [stdout] 257 |                   async move {
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 258 | |                     Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 259 | |                         let config = Arc::clone(&config);
[INFO] [stdout] 260 | |                         handle_request(remote_addr, req, config)
[INFO] [stdout] 261 | |                     }))
[INFO] [stdout] 262 | |                 }
[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:258:52: 258:62}, Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:258:21
[INFO] [stdout]     |
[INFO] [stdout] 258 | /                     Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 259 | |                         let config = Arc::clone(&config);
[INFO] [stdout] 260 | |                         handle_request(remote_addr, req, config)
[INFO] [stdout] 261 | |                     }))
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prin` (bin "prin") due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "72421676e90aee260585a67ece3dd9c3deabc86f7b087c89890703e9b7f73ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72421676e90aee260585a67ece3dd9c3deabc86f7b087c89890703e9b7f73ece", kill_on_drop: false }`
[INFO] [stdout] 72421676e90aee260585a67ece3dd9c3deabc86f7b087c89890703e9b7f73ece
