[INFO] fetching crate axum-otel-metrics 0.9.0-alpha.1...
[INFO] testing axum-otel-metrics-0.9.0-alpha.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate axum-otel-metrics 0.9.0-alpha.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate axum-otel-metrics 0.9.0-alpha.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate axum-otel-metrics 0.9.0-alpha.1
[INFO] finished tweaking crates.io crate axum-otel-metrics 0.9.0-alpha.1
[INFO] tweaked toml for crates.io crate axum-otel-metrics 0.9.0-alpha.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 168 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding axum v0.6.20 (latest: v0.7.5)
[INFO] [stderr]       Adding axum-core v0.3.4 (latest: v0.4.3)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.5)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.3.1)
[INFO] [stderr]       Adding hyper-timeout v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding matchit v0.7.3 (latest: v0.8.2)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] [stderr]       Adding opentelemetry v0.22.0 (latest: v0.23.0)
[INFO] [stderr]       Adding opentelemetry-http v0.11.1 (latest: v0.12.0)
[INFO] [stderr]       Adding opentelemetry-otlp v0.15.0 (latest: v0.16.0)
[INFO] [stderr]       Adding opentelemetry-prometheus v0.15.0 (latest: v0.16.0)
[INFO] [stderr]       Adding opentelemetry-proto v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding opentelemetry-semantic-conventions v0.14.0 (latest: v0.15.0)
[INFO] [stderr]       Adding opentelemetry_sdk v0.22.1 (latest: v0.23.0)
[INFO] [stderr]       Adding protobuf v2.28.0 (latest: v3.4.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (latest: v0.12.4)
[INFO] [stderr]       Adding sync_wrapper v0.1.2 (latest: v1.0.1)
[INFO] [stderr]       Adding system-configuration v0.5.1 (latest: v0.6.0)
[INFO] [stderr]       Adding system-configuration-sys v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding winreg v0.50.0 (latest: v0.52.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic v0.11.0
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.16
[INFO] [stderr]   Downloaded sync_wrapper v1.0.1
[INFO] [stderr]   Downloaded prost-derive v0.12.6
[INFO] [stderr]   Downloaded opentelemetry-http v0.11.1
[INFO] [stderr]   Downloaded hyper-util v0.1.4
[INFO] [stderr]   Downloaded axum v0.7.5
[INFO] [stderr]   Downloaded hyper v1.3.1
[INFO] [stderr]   Downloaded opentelemetry-proto v0.5.0
[INFO] [stderr]   Downloaded opentelemetry_sdk v0.22.1
[INFO] [stderr]   Downloaded prost v0.12.6
[INFO] [stderr]   Downloaded prometheus v0.13.4
[INFO] [stderr]   Downloaded opentelemetry v0.22.0
[INFO] [stderr]   Downloaded opentelemetry-otlp v0.15.0
[INFO] [stderr]   Downloaded opentelemetry-prometheus v0.15.0
[INFO] [stderr]   Downloaded opentelemetry-semantic-conventions v0.14.0
[INFO] [stderr]   Downloaded ordered-float v4.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bba6151a6a8150df523b71adfb55876b705c40661adcbf3c4738fecd06b6095d
[INFO] running `Command { std: "docker" "start" "-a" "bba6151a6a8150df523b71adfb55876b705c40661adcbf3c4738fecd06b6095d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bba6151a6a8150df523b71adfb55876b705c40661adcbf3c4738fecd06b6095d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba6151a6a8150df523b71adfb55876b705c40661adcbf3c4738fecd06b6095d", kill_on_drop: false }`
[INFO] [stdout] bba6151a6a8150df523b71adfb55876b705c40661adcbf3c4738fecd06b6095d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 537a6d222164a6aff0e944f08848002c49b1bbfb1b69709856d2b881da32e47d
[INFO] running `Command { std: "docker" "start" "-a" "537a6d222164a6aff0e944f08848002c49b1bbfb1b69709856d2b881da32e47d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling axum-core v0.4.3
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling opentelemetry v0.22.0
[INFO] [stderr]    Compiling ordered-float v4.2.0
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling axum v0.7.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling async-stream v0.3.5
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling opentelemetry-semantic-conventions v0.14.0
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_path_to_error v0.1.16
[INFO] [stderr]    Compiling prost v0.12.6
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling tokio-stream v0.1.15
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.0
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling hyper v1.3.1
[INFO] [stderr]    Compiling opentelemetry_sdk v0.22.1
[INFO] [stderr]    Compiling hyper-util v0.1.4
[INFO] [stderr]    Compiling opentelemetry-prometheus v0.15.0
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling hyper-timeout v0.4.1
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling opentelemetry-http v0.11.1
[INFO] [stderr]    Compiling tonic v0.11.0
[INFO] [stderr]    Compiling opentelemetry-proto v0.5.0
[INFO] [stderr]    Compiling opentelemetry-otlp v0.15.0
[INFO] [stderr]    Compiling axum-otel-metrics v0.9.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT`
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | use opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_prometheus::PrometheusExporter`
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | use opentelemetry_prometheus::PrometheusExporter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |           /// OTEL_EXPORTER_OTLP_METRICS_ENDPOINT, OTEL_EXPORTER_OTLP_METRICS_HEADERS,OTEL_EXPORTER_OTLP_METRICS_TIMEOUT
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 470 |
[INFO] [stdout] 471 | /         let protocol = match env::var("OTEL_EXPORTER_OTLP_METRICS_PROTOCOL")
[INFO] [stdout] 472 | |             .ok()
[INFO] [stdout] 473 | |             .or(env::var("OTEL_EXPORTER_OTLP_PROTOCOL").ok())
[INFO] [stdout] 474 | |         {
[INFO] [stdout] 475 | |             Some(val) => val,
[INFO] [stdout] 476 | |             None => "http/protobuf".to_string(),
[INFO] [stdout] 477 | |         };
[INFO] [stdout]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.55s
[INFO] running `Command { std: "docker" "inspect" "537a6d222164a6aff0e944f08848002c49b1bbfb1b69709856d2b881da32e47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537a6d222164a6aff0e944f08848002c49b1bbfb1b69709856d2b881da32e47d", kill_on_drop: false }`
[INFO] [stdout] 537a6d222164a6aff0e944f08848002c49b1bbfb1b69709856d2b881da32e47d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9877240d5244b42b6122e4d1135d05a94a1aa7316909ff2658f841e89a189261
[INFO] running `Command { std: "docker" "start" "-a" "9877240d5244b42b6122e4d1135d05a94a1aa7316909ff2658f841e89a189261", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT`
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | use opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_prometheus::PrometheusExporter`
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | use opentelemetry_prometheus::PrometheusExporter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |           /// OTEL_EXPORTER_OTLP_METRICS_ENDPOINT, OTEL_EXPORTER_OTLP_METRICS_HEADERS,OTEL_EXPORTER_OTLP_METRICS_TIMEOUT
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 470 |
[INFO] [stdout] 471 | /         let protocol = match env::var("OTEL_EXPORTER_OTLP_METRICS_PROTOCOL")
[INFO] [stdout] 472 | |             .ok()
[INFO] [stdout] 473 | |             .or(env::var("OTEL_EXPORTER_OTLP_PROTOCOL").ok())
[INFO] [stdout] 474 | |         {
[INFO] [stdout] 475 | |             Some(val) => val,
[INFO] [stdout] 476 | |             None => "http/protobuf".to_string(),
[INFO] [stdout] 477 | |         };
[INFO] [stdout]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling axum-otel-metrics v0.9.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT`
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | use opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_prometheus::PrometheusExporter`
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | use opentelemetry_prometheus::PrometheusExporter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |           /// OTEL_EXPORTER_OTLP_METRICS_ENDPOINT, OTEL_EXPORTER_OTLP_METRICS_HEADERS,OTEL_EXPORTER_OTLP_METRICS_TIMEOUT
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 470 |
[INFO] [stdout] 471 | /         let protocol = match env::var("OTEL_EXPORTER_OTLP_METRICS_PROTOCOL")
[INFO] [stdout] 472 | |             .ok()
[INFO] [stdout] 473 | |             .or(env::var("OTEL_EXPORTER_OTLP_PROTOCOL").ok())
[INFO] [stdout] 474 | |         {
[INFO] [stdout] 475 | |             Some(val) => val,
[INFO] [stdout] 476 | |             None => "http/protobuf".to_string(),
[INFO] [stdout] 477 | |         };
[INFO] [stdout]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.07s
[INFO] running `Command { std: "docker" "inspect" "9877240d5244b42b6122e4d1135d05a94a1aa7316909ff2658f841e89a189261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9877240d5244b42b6122e4d1135d05a94a1aa7316909ff2658f841e89a189261", kill_on_drop: false }`
[INFO] [stdout] 9877240d5244b42b6122e4d1135d05a94a1aa7316909ff2658f841e89a189261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 014eccf141e7cd0ea5bdcd686b005b08b4ae0e6b26983f1b6c7ccd391cfaeaa2
[INFO] running `Command { std: "docker" "start" "-a" "014eccf141e7cd0ea5bdcd686b005b08b4ae0e6b26983f1b6c7ccd391cfaeaa2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT`
[INFO] [stderr]   --> src/lib.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 | use opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opentelemetry_prometheus::PrometheusExporter`
[INFO] [stderr]   --> src/lib.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 | use opentelemetry_prometheus::PrometheusExporter;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:469:9
[INFO] [stderr]     |
[INFO] [stderr] 469 |           /// OTEL_EXPORTER_OTLP_METRICS_ENDPOINT, OTEL_EXPORTER_OTLP_METRICS_HEADERS,OTEL_EXPORTER_OTLP_METRICS_TIMEOUT
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 470 |
[INFO] [stderr] 471 | /         let protocol = match env::var("OTEL_EXPORTER_OTLP_METRICS_PROTOCOL")
[INFO] [stderr] 472 | |             .ok()
[INFO] [stderr] 473 | |             .or(env::var("OTEL_EXPORTER_OTLP_PROTOCOL").ok())
[INFO] [stderr] 474 | |         {
[INFO] [stderr] 475 | |             Some(val) => val,
[INFO] [stderr] 476 | |             None => "http/protobuf".to_string(),
[INFO] [stderr] 477 | |         };
[INFO] [stderr]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]   --> src/lib.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 | use std::ops::Deref;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]   --> src/lib.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 | use std::ops::Deref;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT`
[INFO] [stderr]   --> src/lib.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 | use opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `axum-otel-metrics` (lib) generated 4 warnings (run `cargo fix --lib -p axum-otel-metrics` to apply 2 suggestions)
[INFO] [stderr] warning: `axum-otel-metrics` (lib test) generated 4 warnings (2 duplicates) (run `cargo fix --lib -p axum-otel-metrics --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/axum_otel_metrics-df7f93fd8627bfcb)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_builder_with_arced_skipper ... ok
[INFO] [stdout] test tests::test_prometheus_exporter ... ok
[INFO] [stdout] test tests::test_builder ... ok
[INFO] [stdout] test tests::test_builder_with_state_router ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests axum_otel_metrics
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "014eccf141e7cd0ea5bdcd686b005b08b4ae0e6b26983f1b6c7ccd391cfaeaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014eccf141e7cd0ea5bdcd686b005b08b4ae0e6b26983f1b6c7ccd391cfaeaa2", kill_on_drop: false }`
[INFO] [stdout] 014eccf141e7cd0ea5bdcd686b005b08b4ae0e6b26983f1b6c7ccd391cfaeaa2
[INFO] testing axum-otel-metrics-0.9.0-alpha.1 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate axum-otel-metrics 0.9.0-alpha.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate axum-otel-metrics 0.9.0-alpha.1 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate axum-otel-metrics 0.9.0-alpha.1
[INFO] finished tweaking crates.io crate axum-otel-metrics 0.9.0-alpha.1
[INFO] tweaked toml for crates.io crate axum-otel-metrics 0.9.0-alpha.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 168 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding axum v0.6.20 (latest: v0.7.5)
[INFO] [stderr]       Adding axum-core v0.3.4 (latest: v0.4.3)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.5)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.3.1)
[INFO] [stderr]       Adding hyper-timeout v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding matchit v0.7.3 (latest: v0.8.2)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] [stderr]       Adding opentelemetry v0.22.0 (latest: v0.23.0)
[INFO] [stderr]       Adding opentelemetry-http v0.11.1 (latest: v0.12.0)
[INFO] [stderr]       Adding opentelemetry-otlp v0.15.0 (latest: v0.16.0)
[INFO] [stderr]       Adding opentelemetry-prometheus v0.15.0 (latest: v0.16.0)
[INFO] [stderr]       Adding opentelemetry-proto v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding opentelemetry-semantic-conventions v0.14.0 (latest: v0.15.0)
[INFO] [stderr]       Adding opentelemetry_sdk v0.22.1 (latest: v0.23.0)
[INFO] [stderr]       Adding protobuf v2.28.0 (latest: v3.4.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (latest: v0.12.4)
[INFO] [stderr]       Adding sync_wrapper v0.1.2 (latest: v1.0.1)
[INFO] [stderr]       Adding system-configuration v0.5.1 (latest: v0.6.0)
[INFO] [stderr]       Adding system-configuration-sys v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding winreg v0.50.0 (latest: v0.52.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecd1c1b740f750f3537393a49b7834c94ca9c3c67b12f7d1e0b1477e60117b83
[INFO] running `Command { std: "docker" "start" "-a" "ecd1c1b740f750f3537393a49b7834c94ca9c3c67b12f7d1e0b1477e60117b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecd1c1b740f750f3537393a49b7834c94ca9c3c67b12f7d1e0b1477e60117b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd1c1b740f750f3537393a49b7834c94ca9c3c67b12f7d1e0b1477e60117b83", kill_on_drop: false }`
[INFO] [stdout] ecd1c1b740f750f3537393a49b7834c94ca9c3c67b12f7d1e0b1477e60117b83
[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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63ea187485d0fa43c38bce7db272abe5ad6bc85b1d057f6a208f15eb7aa7fc66
[INFO] running `Command { std: "docker" "start" "-a" "63ea187485d0fa43c38bce7db272abe5ad6bc85b1d057f6a208f15eb7aa7fc66", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling ordered-float v4.2.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling axum-core v0.4.3
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling axum v0.7.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling opentelemetry-semantic-conventions v0.14.0
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling opentelemetry v0.22.0
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]    Compiling async-stream v0.3.5
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_path_to_error v0.1.16
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling tokio-stream v0.1.15
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.0
[INFO] [stderr]    Compiling prost v0.12.6
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling hyper v1.3.1
[INFO] [stderr]    Compiling opentelemetry_sdk v0.22.1
[INFO] [stderr]    Compiling hyper-util v0.1.4
[INFO] [stderr]    Compiling opentelemetry-prometheus v0.15.0
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling hyper-timeout v0.4.1
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling opentelemetry-http v0.11.1
[INFO] [stderr]    Compiling tonic v0.11.0
[INFO] [stderr]    Compiling opentelemetry-proto v0.5.0
[INFO] [stderr]    Compiling opentelemetry-otlp v0.15.0
[INFO] [stderr]    Compiling axum-otel-metrics v0.9.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT`
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | use opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_prometheus::PrometheusExporter`
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | use opentelemetry_prometheus::PrometheusExporter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |           /// OTEL_EXPORTER_OTLP_METRICS_ENDPOINT, OTEL_EXPORTER_OTLP_METRICS_HEADERS,OTEL_EXPORTER_OTLP_METRICS_TIMEOUT
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 470 |
[INFO] [stdout] 471 | /         let protocol = match env::var("OTEL_EXPORTER_OTLP_METRICS_PROTOCOL")
[INFO] [stdout] 472 | |             .ok()
[INFO] [stdout] 473 | |             .or(env::var("OTEL_EXPORTER_OTLP_PROTOCOL").ok())
[INFO] [stdout] 474 | |         {
[INFO] [stdout] 475 | |             Some(val) => val,
[INFO] [stdout] 476 | |             None => "http/protobuf".to_string(),
[INFO] [stdout] 477 | |         };
[INFO] [stdout]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.32s
[INFO] running `Command { std: "docker" "inspect" "63ea187485d0fa43c38bce7db272abe5ad6bc85b1d057f6a208f15eb7aa7fc66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ea187485d0fa43c38bce7db272abe5ad6bc85b1d057f6a208f15eb7aa7fc66", kill_on_drop: false }`
[INFO] [stdout] 63ea187485d0fa43c38bce7db272abe5ad6bc85b1d057f6a208f15eb7aa7fc66
[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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 935535be8fa065b33ac0fb65dc744ff58adbf9071f6fcab8959a0475ced6e062
[INFO] running `Command { std: "docker" "start" "-a" "935535be8fa065b33ac0fb65dc744ff58adbf9071f6fcab8959a0475ced6e062", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT`
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | use opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_prometheus::PrometheusExporter`
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | use opentelemetry_prometheus::PrometheusExporter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling axum-otel-metrics v0.9.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |           /// OTEL_EXPORTER_OTLP_METRICS_ENDPOINT, OTEL_EXPORTER_OTLP_METRICS_HEADERS,OTEL_EXPORTER_OTLP_METRICS_TIMEOUT
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 470 |
[INFO] [stdout] 471 | /         let protocol = match env::var("OTEL_EXPORTER_OTLP_METRICS_PROTOCOL")
[INFO] [stdout] 472 | |             .ok()
[INFO] [stdout] 473 | |             .or(env::var("OTEL_EXPORTER_OTLP_PROTOCOL").ok())
[INFO] [stdout] 474 | |         {
[INFO] [stdout] 475 | |             Some(val) => val,
[INFO] [stdout] 476 | |             None => "http/protobuf".to_string(),
[INFO] [stdout] 477 | |         };
[INFO] [stdout]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT`
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | use opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opentelemetry_prometheus::PrometheusExporter`
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | use opentelemetry_prometheus::PrometheusExporter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |           /// OTEL_EXPORTER_OTLP_METRICS_ENDPOINT, OTEL_EXPORTER_OTLP_METRICS_HEADERS,OTEL_EXPORTER_OTLP_METRICS_TIMEOUT
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 470 |
[INFO] [stdout] 471 | /         let protocol = match env::var("OTEL_EXPORTER_OTLP_METRICS_PROTOCOL")
[INFO] [stdout] 472 | |             .ok()
[INFO] [stdout] 473 | |             .or(env::var("OTEL_EXPORTER_OTLP_PROTOCOL").ok())
[INFO] [stdout] 474 | |         {
[INFO] [stdout] 475 | |             Some(val) => val,
[INFO] [stdout] 476 | |             None => "http/protobuf".to_string(),
[INFO] [stdout] 477 | |         };
[INFO] [stdout]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.93s
[INFO] running `Command { std: "docker" "inspect" "935535be8fa065b33ac0fb65dc744ff58adbf9071f6fcab8959a0475ced6e062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "935535be8fa065b33ac0fb65dc744ff58adbf9071f6fcab8959a0475ced6e062", kill_on_drop: false }`
[INFO] [stdout] 935535be8fa065b33ac0fb65dc744ff58adbf9071f6fcab8959a0475ced6e062
[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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68e0653fb5cee1e0fc47ea19d118633102bf745e3a2b128f212cb599a803cc81
[INFO] running `Command { std: "docker" "start" "-a" "68e0653fb5cee1e0fc47ea19d118633102bf745e3a2b128f212cb599a803cc81", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT`
[INFO] [stderr]   --> src/lib.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 | use opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opentelemetry_prometheus::PrometheusExporter`
[INFO] [stderr]   --> src/lib.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 | use opentelemetry_prometheus::PrometheusExporter;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:469:9
[INFO] [stderr]     |
[INFO] [stderr] 469 |           /// OTEL_EXPORTER_OTLP_METRICS_ENDPOINT, OTEL_EXPORTER_OTLP_METRICS_HEADERS,OTEL_EXPORTER_OTLP_METRICS_TIMEOUT
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 470 |
[INFO] [stderr] 471 | /         let protocol = match env::var("OTEL_EXPORTER_OTLP_METRICS_PROTOCOL")
[INFO] [stderr] 472 | |             .ok()
[INFO] [stderr] 473 | |             .or(env::var("OTEL_EXPORTER_OTLP_PROTOCOL").ok())
[INFO] [stderr] 474 | |         {
[INFO] [stderr] 475 | |             Some(val) => val,
[INFO] [stderr] 476 | |             None => "http/protobuf".to_string(),
[INFO] [stderr] 477 | |         };
[INFO] [stderr]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]   --> src/lib.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 | use std::ops::Deref;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]   --> src/lib.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 | use std::ops::Deref;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT`
[INFO] [stderr]   --> src/lib.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 | use opentelemetry_otlp::OTEL_EXPORTER_OTLP_TIMEOUT;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `axum-otel-metrics` (lib) generated 4 warnings (run `cargo fix --lib -p axum-otel-metrics` to apply 2 suggestions)
[INFO] [stderr] warning: `axum-otel-metrics` (lib test) generated 4 warnings (2 duplicates) (run `cargo fix --lib -p axum-otel-metrics --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/axum_otel_metrics-df7f93fd8627bfcb)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_builder ... ok
[INFO] [stdout] test tests::test_builder_with_arced_skipper ... ok
[INFO] [stdout] test tests::test_builder_with_state_router ... ok
[INFO] [stdout] test tests::test_prometheus_exporter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests axum_otel_metrics
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68e0653fb5cee1e0fc47ea19d118633102bf745e3a2b128f212cb599a803cc81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e0653fb5cee1e0fc47ea19d118633102bf745e3a2b128f212cb599a803cc81", kill_on_drop: false }`
[INFO] [stdout] 68e0653fb5cee1e0fc47ea19d118633102bf745e3a2b128f212cb599a803cc81
