[INFO] cloning repository https://github.com/brancengregory/thirst-responder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brancengregory/thirst-responder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrancengregory%2Fthirst-responder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrancengregory%2Fthirst-responder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e24c21d07fa652c104e819f931220b876bb4a3b2
[INFO] checking brancengregory/thirst-responder 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%2Fbrancengregory%2Fthirst-responder" "/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/brancengregory/thirst-responder
[INFO] finished tweaking git repo https://github.com/brancengregory/thirst-responder
[INFO] tweaked toml for git repo https://github.com/brancengregory/thirst-responder written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/brancengregory/thirst-responder 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/brancengregory/thirst-responder 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] 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] 277ea55c7d763628696055e650e60fe2bfb5ae4df830ac74038d2507ccd018c5
[INFO] running `Command { std: "docker" "start" "-a" "277ea55c7d763628696055e650e60fe2bfb5ae4df830ac74038d2507ccd018c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "277ea55c7d763628696055e650e60fe2bfb5ae4df830ac74038d2507ccd018c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "277ea55c7d763628696055e650e60fe2bfb5ae4df830ac74038d2507ccd018c5", kill_on_drop: false }`
[INFO] [stdout] 277ea55c7d763628696055e650e60fe2bfb5ae4df830ac74038d2507ccd018c5
[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] d47af651a31f4d849898493148f264b9444e81c43701f832c485e8bb7e957396
[INFO] running `Command { std: "docker" "start" "-a" "d47af651a31f4d849898493148f264b9444e81c43701f832c485e8bb7e957396", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]     Checking lock_api v0.4.12
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking unescaper v0.1.5
[INFO] [stderr]     Checking serialport v4.5.0
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking hyper v0.14.30
[INFO] [stderr]     Checking thirst-responder 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:13:82
[INFO] [stdout]    |
[INFO] [stdout] 13 |   async fn metrics_handler(_: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 14 | |     let encoder = TextEncoder::new();
[INFO] [stdout] 15 | |     let metric_families = prometheus::gather();
[INFO] [stdout] 16 | |     let mut buffer = Vec::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     Ok(response)
[INFO] [stdout] 24 | | }
[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:13:82
[INFO] [stdout]    |
[INFO] [stdout] 13 |   async fn metrics_handler(_: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 14 | |     let encoder = TextEncoder::new();
[INFO] [stdout] 15 | |     let metric_families = prometheus::gather();
[INFO] [stdout] 16 | |     let mut buffer = Vec::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     Ok(response)
[INFO] [stdout] 24 | | }
[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:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Ok(response)
[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>> {metrics_handler}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |           async move {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 32 | |             Ok::<_, Infallible>(service_fn(metrics_handler))
[INFO] [stdout] 33 | |         }
[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>> {metrics_handler}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Ok::<_, Infallible>(service_fn(metrics_handler))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thirst-responder` (bin "thirst-responder" test) 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/main.rs:13:82
[INFO] [stdout]    |
[INFO] [stdout] 13 |   async fn metrics_handler(_: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 14 | |     let encoder = TextEncoder::new();
[INFO] [stdout] 15 | |     let metric_families = prometheus::gather();
[INFO] [stdout] 16 | |     let mut buffer = Vec::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     Ok(response)
[INFO] [stdout] 24 | | }
[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:13:82
[INFO] [stdout]    |
[INFO] [stdout] 13 |   async fn metrics_handler(_: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 14 | |     let encoder = TextEncoder::new();
[INFO] [stdout] 15 | |     let metric_families = prometheus::gather();
[INFO] [stdout] 16 | |     let mut buffer = Vec::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     Ok(response)
[INFO] [stdout] 24 | | }
[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:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Ok(response)
[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>> {metrics_handler}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |           async move {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 32 | |             Ok::<_, Infallible>(service_fn(metrics_handler))
[INFO] [stdout] 33 | |         }
[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>> {metrics_handler}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Ok::<_, Infallible>(service_fn(metrics_handler))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thirst-responder` (bin "thirst-responder") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "d47af651a31f4d849898493148f264b9444e81c43701f832c485e8bb7e957396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47af651a31f4d849898493148f264b9444e81c43701f832c485e8bb7e957396", kill_on_drop: false }`
[INFO] [stdout] d47af651a31f4d849898493148f264b9444e81c43701f832c485e8bb7e957396
