[INFO] fetching crate prometheus-measures-exporter 0.0.3... [INFO] checking prometheus-measures-exporter-0.0.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate prometheus-measures-exporter 0.0.3 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate prometheus-measures-exporter 0.0.3 [INFO] finished tweaking crates.io crate prometheus-measures-exporter 0.0.3 [INFO] tweaked toml for crates.io crate prometheus-measures-exporter 0.0.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate prometheus-measures-exporter 0.0.3 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 prometheus-measures-exporter 0.0.3 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] 39b266f1d3d3dd251ebdfd744d760658bbb2bc380aef25324fed14dcf4100c16 [INFO] running `Command { std: "docker" "start" "-a" "39b266f1d3d3dd251ebdfd744d760658bbb2bc380aef25324fed14dcf4100c16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39b266f1d3d3dd251ebdfd744d760658bbb2bc380aef25324fed14dcf4100c16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39b266f1d3d3dd251ebdfd744d760658bbb2bc380aef25324fed14dcf4100c16", kill_on_drop: false }` [INFO] [stdout] 39b266f1d3d3dd251ebdfd744d760658bbb2bc380aef25324fed14dcf4100c16 [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] 1f4f3f285af8be8ea71d40fb459c7b34eaef7931f489439aed32b73661e4ef28 [INFO] running `Command { std: "docker" "start" "-a" "1f4f3f285af8be8ea71d40fb459c7b34eaef7931f489439aed32b73661e4ef28", kill_on_drop: false }` [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Checking smallvec v1.15.0 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling protobuf v2.28.0 [INFO] [stderr] Compiling prometheus v0.13.4 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Checking tokio v1.45.1 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking tokio-util v0.7.15 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking hyper v0.14.32 [INFO] [stderr] Checking prometheus-measures-exporter v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {metrics}, Body>, Infallible> [INFO] [stdout] --> src/lib.rs:23:53 [INFO] [stdout] | [INFO] [stdout] 23 | let service = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(metrics)) }); [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) -> impl Future, Infallible>> {metrics}, Body>, Infallible> [INFO] [stdout] --> src/lib.rs:23:55 [INFO] [stdout] | [INFO] [stdout] 23 | let service = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(metrics)) }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:31:77 [INFO] [stdout] | [INFO] [stdout] 31 | async fn metrics(_req: Request) -> Result, Infallible> { [INFO] [stdout] | _____________________________________________________________________________^ [INFO] [stdout] 32 | | let metric_families = prometheus::gather(); [INFO] [stdout] 33 | | let encoder = TextEncoder::new(); [INFO] [stdout] 34 | | let mut buffer = Vec::new(); [INFO] [stdout] ... | [INFO] [stdout] 41 | | Ok(response) [INFO] [stdout] 42 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:31:77 [INFO] [stdout] | [INFO] [stdout] 31 | async fn metrics(_req: Request) -> Result, Infallible> { [INFO] [stdout] | _____________________________________________________________________________^ [INFO] [stdout] 32 | | let metric_families = prometheus::gather(); [INFO] [stdout] 33 | | let encoder = TextEncoder::new(); [INFO] [stdout] 34 | | let mut buffer = Vec::new(); [INFO] [stdout] ... | [INFO] [stdout] 41 | | Ok(response) [INFO] [stdout] 42 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | Ok(response) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `prometheus-measures-exporter` (lib) 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) -> impl Future, Infallible>> {metrics}, Body>, Infallible> [INFO] [stdout] --> src/lib.rs:23:53 [INFO] [stdout] | [INFO] [stdout] 23 | let service = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(metrics)) }); [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) -> impl Future, Infallible>> {metrics}, Body>, Infallible> [INFO] [stdout] --> src/lib.rs:23:55 [INFO] [stdout] | [INFO] [stdout] 23 | let service = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(metrics)) }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:31:77 [INFO] [stdout] | [INFO] [stdout] 31 | async fn metrics(_req: Request) -> Result, Infallible> { [INFO] [stdout] | _____________________________________________________________________________^ [INFO] [stdout] 32 | | let metric_families = prometheus::gather(); [INFO] [stdout] 33 | | let encoder = TextEncoder::new(); [INFO] [stdout] 34 | | let mut buffer = Vec::new(); [INFO] [stdout] ... | [INFO] [stdout] 41 | | Ok(response) [INFO] [stdout] 42 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:31:77 [INFO] [stdout] | [INFO] [stdout] 31 | async fn metrics(_req: Request) -> Result, Infallible> { [INFO] [stdout] | _____________________________________________________________________________^ [INFO] [stdout] 32 | | let metric_families = prometheus::gather(); [INFO] [stdout] 33 | | let encoder = TextEncoder::new(); [INFO] [stdout] 34 | | let mut buffer = Vec::new(); [INFO] [stdout] ... | [INFO] [stdout] 41 | | Ok(response) [INFO] [stdout] 42 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | Ok(response) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `prometheus-measures-exporter` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "1f4f3f285af8be8ea71d40fb459c7b34eaef7931f489439aed32b73661e4ef28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f4f3f285af8be8ea71d40fb459c7b34eaef7931f489439aed32b73661e4ef28", kill_on_drop: false }` [INFO] [stdout] 1f4f3f285af8be8ea71d40fb459c7b34eaef7931f489439aed32b73661e4ef28