[INFO] cloning repository https://github.com/jhleao/echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhleao/echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhleao%2Fecho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhleao%2Fecho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c59e2acb36017c88a27c6fe989a52bb63eeb3a03
[INFO] checking jhleao/echo 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%2Fjhleao%2Fecho" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jhleao/echo
[INFO] finished tweaking git repo https://github.com/jhleao/echo
[INFO] tweaked toml for git repo https://github.com/jhleao/echo written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jhleao/echo 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/jhleao/echo 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3251d3f37b4618869ec3cb0eea116821f2231100f47118379cd674c1b555c287
[INFO] running `Command { std: "docker" "start" "-a" "3251d3f37b4618869ec3cb0eea116821f2231100f47118379cd674c1b555c287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3251d3f37b4618869ec3cb0eea116821f2231100f47118379cd674c1b555c287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3251d3f37b4618869ec3cb0eea116821f2231100f47118379cd674c1b555c287", kill_on_drop: false }`
[INFO] [stdout] 3251d3f37b4618869ec3cb0eea116821f2231100f47118379cd674c1b555c287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9459e282fb5e8859c3d8935bc0409df1aa05074c027aa20e261922c604eb774c
[INFO] running `Command { std: "docker" "start" "-a" "9459e282fb5e8859c3d8935bc0409df1aa05074c027aa20e261922c604eb774c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking termsize v0.1.6
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking hyper v0.14.26
[INFO] [stderr]     Checking echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:11:73
[INFO] [stdout]    |
[INFO] [stdout] 11 |   async fn echo(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________^
[INFO] [stdout] 12 | |     let mut response = Response::new(Body::empty());
[INFO] [stdout] 13 | |
[INFO] [stdout] 14 | |     let (parts, body) = req.into_parts();
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     Ok(response)
[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<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:11:73
[INFO] [stdout]    |
[INFO] [stdout] 11 |   async fn echo(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________^
[INFO] [stdout] 12 | |     let mut response = Response::new(Body::empty());
[INFO] [stdout] 13 | |
[INFO] [stdout] 14 | |     let (parts, body) = req.into_parts();
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     Ok(response)
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Ok(response)
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<service::util::ServiceFn<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {echo}, Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:36:50
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let make_svc = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(echo)) });
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<service::util::ServiceFn<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {echo}, Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:36:52
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let make_svc = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(echo)) });
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `echo` (bin "echo") due to 5 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/server.rs:11:73
[INFO] [stdout]    |
[INFO] [stdout] 11 |   async fn echo(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________^
[INFO] [stdout] 12 | |     let mut response = Response::new(Body::empty());
[INFO] [stdout] 13 | |
[INFO] [stdout] 14 | |     let (parts, body) = req.into_parts();
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     Ok(response)
[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<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:11:73
[INFO] [stdout]    |
[INFO] [stdout] 11 |   async fn echo(req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________^
[INFO] [stdout] 12 | |     let mut response = Response::new(Body::empty());
[INFO] [stdout] 13 | |
[INFO] [stdout] 14 | |     let (parts, body) = req.into_parts();
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     Ok(response)
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Ok(response)
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<service::util::ServiceFn<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {echo}, Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:36:50
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let make_svc = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(echo)) });
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<service::util::ServiceFn<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {echo}, Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:36:52
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let make_svc = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(echo)) });
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `echo` (bin "echo" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "9459e282fb5e8859c3d8935bc0409df1aa05074c027aa20e261922c604eb774c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9459e282fb5e8859c3d8935bc0409df1aa05074c027aa20e261922c604eb774c", kill_on_drop: false }`
[INFO] [stdout] 9459e282fb5e8859c3d8935bc0409df1aa05074c027aa20e261922c604eb774c
