[INFO] cloning repository https://github.com/unkhz/pingu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unkhz/pingu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funkhz%2Fpingu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funkhz%2Fpingu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0dd6c6a4eeeb263570da00d08d9eb227d80191d
[INFO] checking unkhz/pingu 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%2Funkhz%2Fpingu" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/unkhz/pingu
[INFO] finished tweaking git repo https://github.com/unkhz/pingu
[INFO] tweaked toml for git repo https://github.com/unkhz/pingu written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/unkhz/pingu 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/unkhz/pingu 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d122c9fbbdb50595e3655d9ab097d06fbfb940cea833ce99d618130ca8eac88b
[INFO] running `Command { std: "docker" "start" "-a" "d122c9fbbdb50595e3655d9ab097d06fbfb940cea833ce99d618130ca8eac88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d122c9fbbdb50595e3655d9ab097d06fbfb940cea833ce99d618130ca8eac88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d122c9fbbdb50595e3655d9ab097d06fbfb940cea833ce99d618130ca8eac88b", kill_on_drop: false }`
[INFO] [stdout] d122c9fbbdb50595e3655d9ab097d06fbfb940cea833ce99d618130ca8eac88b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6802b861a675a606b174c18a2bce38d0d36324bc5fba085c31963ce807ac43bd
[INFO] running `Command { std: "docker" "start" "-a" "6802b861a675a606b174c18a2bce38d0d36324bc5fba085c31963ce807ac43bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.31
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[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 pingu v0.1.0 (/opt/rustwide/workdir)
[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_world}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:15:50
[INFO] [stdout]    |
[INFO] [stdout] 15 |       let make_svc = make_service_fn(|_conn| async {
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 16 | |         // service_fn converts our function into a `Service`
[INFO] [stdout] 17 | |         Ok::<_, Infallible>(service_fn(responder::hello_world))
[INFO] [stdout] 18 | |     });
[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<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {hello_world}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Ok::<_, Infallible>(service_fn(responder::hello_world))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]  --> src/responder.rs:4:85
[INFO] [stdout]   |
[INFO] [stdout] 4 |   pub async fn hello_world(_req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]   |  _____________________________________________________________________________________^
[INFO] [stdout] 5 | |   Ok(Response::new("Hello, Worldo!".into()))
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]  --> src/responder.rs:4:85
[INFO] [stdout]   |
[INFO] [stdout] 4 |   pub async fn hello_world(_req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]   |  _____________________________________________________________________________________^
[INFO] [stdout] 5 | |   Ok(Response::new("Hello, Worldo!".into()))
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]  --> src/responder.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 |   Ok(Response::new("Hello, Worldo!".into()))
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pingu` (bin "pingu") 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<hyper::service::util::ServiceFn<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {hello_world}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:15:50
[INFO] [stdout]    |
[INFO] [stdout] 15 |       let make_svc = make_service_fn(|_conn| async {
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 16 | |         // service_fn converts our function into a `Service`
[INFO] [stdout] 17 | |         Ok::<_, Infallible>(service_fn(responder::hello_world))
[INFO] [stdout] 18 | |     });
[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<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {hello_world}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Ok::<_, Infallible>(service_fn(responder::hello_world))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]  --> src/responder.rs:4:85
[INFO] [stdout]   |
[INFO] [stdout] 4 |   pub async fn hello_world(_req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]   |  _____________________________________________________________________________________^
[INFO] [stdout] 5 | |   Ok(Response::new("Hello, Worldo!".into()))
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]  --> src/responder.rs:4:85
[INFO] [stdout]   |
[INFO] [stdout] 4 |   pub async fn hello_world(_req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]   |  _____________________________________________________________________________________^
[INFO] [stdout] 5 | |   Ok(Response::new("Hello, Worldo!".into()))
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]  --> src/responder.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 |   Ok(Response::new("Hello, Worldo!".into()))
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pingu` (bin "pingu" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "6802b861a675a606b174c18a2bce38d0d36324bc5fba085c31963ce807ac43bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6802b861a675a606b174c18a2bce38d0d36324bc5fba085c31963ce807ac43bd", kill_on_drop: false }`
[INFO] [stdout] 6802b861a675a606b174c18a2bce38d0d36324bc5fba085c31963ce807ac43bd
