[INFO] cloning repository https://github.com/kiga-hub/metrics_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kiga-hub/metrics_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiga-hub%2Fmetrics_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiga-hub%2Fmetrics_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c50895a581c23e0ab0b70b189ffc41eec0213be1 [INFO] checking kiga-hub/metrics_rust 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%2Fkiga-hub%2Fmetrics_rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kiga-hub/metrics_rust [INFO] finished tweaking git repo https://github.com/kiga-hub/metrics_rust [INFO] tweaked toml for git repo https://github.com/kiga-hub/metrics_rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kiga-hub/metrics_rust 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/kiga-hub/metrics_rust 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2ceb15a920d8a6cde1506c7b1337b0e170a32941f368cf6f06acdcdc8657d726 [INFO] running `Command { std: "docker" "start" "-a" "2ceb15a920d8a6cde1506c7b1337b0e170a32941f368cf6f06acdcdc8657d726", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ceb15a920d8a6cde1506c7b1337b0e170a32941f368cf6f06acdcdc8657d726", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ceb15a920d8a6cde1506c7b1337b0e170a32941f368cf6f06acdcdc8657d726", kill_on_drop: false }` [INFO] [stdout] 2ceb15a920d8a6cde1506c7b1337b0e170a32941f368cf6f06acdcdc8657d726 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0e0e3e7cc94e4761216ced8266d30d2e0221ff374addcec206f0ebf1de77b916 [INFO] running `Command { std: "docker" "start" "-a" "0e0e3e7cc94e4761216ced8266d30d2e0221ff374addcec206f0ebf1de77b916", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling protobuf v2.28.0 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking parking_lot_core v0.8.6 [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Compiling prometheus v0.12.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Compiling tokio-macros v2.3.0 [INFO] [stderr] Compiling thiserror-impl v1.0.61 [INFO] [stderr] Checking tokio v1.38.0 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking h2 v0.3.24 [INFO] [stderr] Checking hyper v0.14.29 [INFO] [stderr] Checking export v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:13:79 [INFO] [stdout] | [INFO] [stdout] 13 | async fn serve_req(_req: Request) -> Result, 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![]; [INFO] [stdout] ... | [INFO] [stdout] 19 | | Ok(Response::new(Body::from(buffer))) [INFO] [stdout] 20 | | } [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, Infallible> [INFO] [stdout] --> src/main.rs:13:79 [INFO] [stdout] | [INFO] [stdout] 13 | async fn serve_req(_req: Request) -> Result, 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![]; [INFO] [stdout] ... | [INFO] [stdout] 19 | | Ok(Response::new(Body::from(buffer))) [INFO] [stdout] 20 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | Ok(Response::new(Body::from(buffer))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {serve_req}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:28:15 [INFO] [stdout] | [INFO] [stdout] 28 | async { Ok::<_, Infallible>(service_fn(serve_req)) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {serve_req}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | async { Ok::<_, Infallible>(service_fn(serve_req)) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `export` (bin "export" test) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `export` (bin "export") due to 5 previous errors [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:13:79 [INFO] [stdout] | [INFO] [stdout] 13 | async fn serve_req(_req: Request) -> Result, 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![]; [INFO] [stdout] ... | [INFO] [stdout] 19 | | Ok(Response::new(Body::from(buffer))) [INFO] [stdout] 20 | | } [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, Infallible> [INFO] [stdout] --> src/main.rs:13:79 [INFO] [stdout] | [INFO] [stdout] 13 | async fn serve_req(_req: Request) -> Result, 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![]; [INFO] [stdout] ... | [INFO] [stdout] 19 | | Ok(Response::new(Body::from(buffer))) [INFO] [stdout] 20 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | Ok(Response::new(Body::from(buffer))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {serve_req}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:28:15 [INFO] [stdout] | [INFO] [stdout] 28 | async { Ok::<_, Infallible>(service_fn(serve_req)) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {serve_req}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | async { Ok::<_, Infallible>(service_fn(serve_req)) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0e0e3e7cc94e4761216ced8266d30d2e0221ff374addcec206f0ebf1de77b916", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e0e3e7cc94e4761216ced8266d30d2e0221ff374addcec206f0ebf1de77b916", kill_on_drop: false }` [INFO] [stdout] 0e0e3e7cc94e4761216ced8266d30d2e0221ff374addcec206f0ebf1de77b916