[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#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for pr-133502-17
[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 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-serde v0.2.0
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[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a16a23a1520cca6ee217c8249ba7dac223216841fac8e2fb984e9dd7b8b041b9
[INFO] running `Command { std: "docker" "start" "-a" "a16a23a1520cca6ee217c8249ba7dac223216841fac8e2fb984e9dd7b8b041b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a16a23a1520cca6ee217c8249ba7dac223216841fac8e2fb984e9dd7b8b041b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16a23a1520cca6ee217c8249ba7dac223216841fac8e2fb984e9dd7b8b041b9", kill_on_drop: false }`
[INFO] [stdout] a16a23a1520cca6ee217c8249ba7dac223216841fac8e2fb984e9dd7b8b041b9
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b9a5a13b06e17b9dca2cd746046ecc4a3baeb9c76f3a0a31f518fd28465eb39
[INFO] running `Command { std: "docker" "start" "-a" "9b9a5a13b06e17b9dca2cd746046ecc4a3baeb9c76f3a0a31f518fd28465eb39", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking tracing-core v0.1.34
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[INFO] [stderr]     Checking opentelemetry_api v0.20.0
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[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking opentelemetry v0.20.0
[INFO] [stderr]     Checking opentelemetry-semantic-conventions v0.12.0
[INFO] [stderr]     Checking opentelemetry-jaeger v0.19.0
[INFO] [stderr]     Checking tracing-opentelemetry v0.21.0
[INFO] [stderr]     Checking sentry-core v0.31.8
[INFO] [stderr]     Checking sentry-backtrace v0.31.8
[INFO] [stderr]     Checking sentry-debug-images v0.31.8
[INFO] [stderr]     Checking sentry-tracing v0.31.8
[INFO] [stderr]     Checking sentry-panic v0.31.8
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking actix-http v3.11.0
[INFO] [stderr]     Checking statrs v0.16.1
[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 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 17s
[INFO] running `Command { std: "docker" "inspect" "9b9a5a13b06e17b9dca2cd746046ecc4a3baeb9c76f3a0a31f518fd28465eb39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9a5a13b06e17b9dca2cd746046ecc4a3baeb9c76f3a0a31f518fd28465eb39", kill_on_drop: false }`
[INFO] [stdout] 9b9a5a13b06e17b9dca2cd746046ecc4a3baeb9c76f3a0a31f518fd28465eb39