[INFO] cloning repository https://github.com/nicktretyakov/monitoring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicktretyakov/monitoring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicktretyakov%2Fmonitoring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicktretyakov%2Fmonitoring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca328d57f2432ef570beea6b880f322d5ee7c289
[INFO] checking nicktretyakov/monitoring against master#3645249d79dfb136b5d8de3ce153d19d6698d92d for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicktretyakov%2Fmonitoring" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nicktretyakov/monitoring
[INFO] finished tweaking git repo https://github.com/nicktretyakov/monitoring
[INFO] tweaked toml for git repo https://github.com/nicktretyakov/monitoring written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nicktretyakov/monitoring on toolchain 3645249d79dfb136b5d8de3ce153d19d6698d92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nicktretyakov/monitoring 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" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sentry-tracing v0.31.8
[INFO] [stderr]   Downloaded opentelemetry v0.20.0
[INFO] [stderr]   Downloaded sentry-debug-images v0.31.8
[INFO] [stderr]   Downloaded order-stat v0.1.3
[INFO] [stderr]   Downloaded sentry-backtrace v0.31.8
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded space v0.12.1
[INFO] [stderr]   Downloaded noisy_float v0.2.0
[INFO] [stderr]   Downloaded kdtree v0.7.0
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded sentry-core v0.31.8
[INFO] [stderr]   Downloaded linfa-linear v0.7.1
[INFO] [stderr]   Downloaded linfa-clustering v0.7.1
[INFO] [stderr]   Downloaded linfa-linalg v0.1.0
[INFO] [stderr]   Downloaded sprs v0.11.1
[INFO] [stderr]   Downloaded quick-xml v0.26.0
[INFO] [stderr]   Downloaded linfa v0.7.1
[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.19.0
[INFO] [stderr]   Downloaded argmin v0.9.0
[INFO] [stderr]   Downloaded sysinfo v0.29.11
[INFO] [stderr]   Downloaded symbolic-demangle v12.15.5
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.21.0
[INFO] [stderr]   Downloaded inferno v0.11.21
[INFO] [stderr]   Downloaded cc v1.2.29
[INFO] [stderr]   Downloaded opentelemetry_sdk v0.20.0
[INFO] [stderr]   Downloaded ndarray-stats v0.5.1
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.28.0
[INFO] [stderr]   Downloaded cpp_demangle v0.4.4
[INFO] [stderr]   Downloaded memmap2 v0.9.7
[INFO] [stderr]   Downloaded sentry-types v0.31.8
[INFO] [stderr]   Downloaded argmin-math v0.3.0
[INFO] [stderr]   Downloaded linfa-preprocessing v0.7.1
[INFO] [stderr]   Downloaded metrics v0.22.4
[INFO] [stderr]   Downloaded metrics-util v0.16.3
[INFO] [stderr]   Downloaded pprof v0.12.1
[INFO] [stderr]   Downloaded sentry v0.31.8
[INFO] [stderr]   Downloaded tracing-actix-web v0.7.19
[INFO] [stderr]   Downloaded opentelemetry_api v0.20.0
[INFO] [stderr]   Downloaded linfa-nn v0.7.2
[INFO] [stderr]   Downloaded linfa-trees v0.7.1
[INFO] [stderr]   Downloaded metrics-prometheus v0.6.0
[INFO] [stderr]   Downloaded opentelemetry-semantic-conventions v0.12.0
[INFO] [stderr]   Downloaded symbolic-common v12.15.5
[INFO] [stderr]   Downloaded bhtsne v0.4.1
[INFO] [stderr]   Downloaded linfa-tsne v0.7.1
[INFO] [stderr]   Downloaded sealed v0.5.0
[INFO] [stderr]   Downloaded sentry-contexts v0.31.8
[INFO] [stderr]   Downloaded sentry-panic v0.31.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3703a1ac3dbdfa4450e01e26bbb90120926921f9095c6053cbd4732963ffe2f9
[INFO] running `Command { std: "docker" "start" "-a" "3703a1ac3dbdfa4450e01e26bbb90120926921f9095c6053cbd4732963ffe2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3703a1ac3dbdfa4450e01e26bbb90120926921f9095c6053cbd4732963ffe2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3703a1ac3dbdfa4450e01e26bbb90120926921f9095c6053cbd4732963ffe2f9", kill_on_drop: false }`
[INFO] [stdout] 3703a1ac3dbdfa4450e01e26bbb90120926921f9095c6053cbd4732963ffe2f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1357ec045168c423f33d3d48fb360ee32c0bc1e6e02331f4335b486a8fd8a310
[INFO] running `Command { std: "docker" "start" "-a" "1357ec045168c423f33d3d48fb360ee32c0bc1e6e02331f4335b486a8fd8a310", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking bytemuck v1.23.1
[INFO] [stderr]    Compiling linfa v0.7.1
[INFO] [stderr]     Checking local-waker v0.1.4
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking ordered-float v3.9.2
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[INFO] [stderr]     Checking tinystr v0.8.1
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[INFO] [stderr]     Checking derive_more v2.0.1
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[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]     Checking symbolic-common v12.15.5
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking metrics v0.22.4
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[INFO] [stderr]     Checking is-terminal v0.4.16
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[INFO] [stderr]     Checking rgb v0.8.52
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking num-rational v0.4.2
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[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling actix-macros v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling protobuf-codegen v2.28.0
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking rawpointer v0.1.0
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[INFO] [stderr]     Checking inferno v0.11.21
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[INFO] [stderr]    Compiling actix-web-codegen v4.3.0
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[INFO] [stderr]    Compiling protobuf-codegen-pure v2.28.0
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[INFO] [stderr]     Checking num v0.1.43
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking metrics-util v0.16.3
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]    Compiling metrics-macros v0.7.1
[INFO] [stderr]     Checking mutually_exclusive_features v0.1.0
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[INFO] [stderr]     Checking sprs v0.11.1
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking linfa-linalg v0.1.0
[INFO] [stderr]     Checking ndarray-stats v0.5.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking argmin-math v0.3.0
[INFO] [stderr]     Checking metrics v0.21.1
[INFO] [stderr]     Checking metrics-prometheus v0.6.0
[INFO] [stderr]     Checking sysinfo v0.29.11
[INFO] [stderr]    Compiling pprof v0.12.1
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking sentry-core v0.31.8
[INFO] [stderr]     Checking actix-rt v2.10.0
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking actix-codec v0.5.2
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[INFO] [stderr]     Checking opentelemetry_sdk v0.20.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking sentry-backtrace v0.31.8
[INFO] [stderr]     Checking sentry-debug-images v0.31.8
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[INFO] [stderr]     Checking linfa-nn v0.7.2
[INFO] [stderr]     Checking linfa-preprocessing v0.7.1
[INFO] [stderr]     Checking linfa-trees v0.7.1
[INFO] [stderr]     Checking linfa-tsne v0.7.1
[INFO] [stderr]     Checking sentry-panic v0.31.8
[INFO] [stderr]     Checking linfa-clustering v0.7.1
[INFO] [stderr]     Checking opentelemetry v0.20.0
[INFO] [stderr]     Checking opentelemetry-semantic-conventions v0.12.0
[INFO] [stderr]     Checking tracing-opentelemetry v0.21.0
[INFO] [stderr]     Checking opentelemetry-jaeger v0.19.0
[INFO] [stderr]     Checking argmin v0.9.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking linfa-linear v0.7.1
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking actix-http v3.11.0
[INFO] [stderr]     Checking actix-web v4.11.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking statrs v0.16.1
[INFO] [stderr]     Checking sentry v0.31.8
[INFO] [stderr]     Checking tracing-actix-web v0.7.19
[INFO] [stderr]     Checking monitoring-system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `active_connections` is never read
[INFO] [stdout]   --> src/metrics.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MetricsCollector {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub active_connections: IntGauge,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetricsCollector` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `active_connections` is never read
[INFO] [stdout]   --> src/metrics.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MetricsCollector {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub active_connections: IntGauge,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetricsCollector` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "1357ec045168c423f33d3d48fb360ee32c0bc1e6e02331f4335b486a8fd8a310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1357ec045168c423f33d3d48fb360ee32c0bc1e6e02331f4335b486a8fd8a310", kill_on_drop: false }`
[INFO] [stdout] 1357ec045168c423f33d3d48fb360ee32c0bc1e6e02331f4335b486a8fd8a310
