[INFO] cloning repository https://github.com/dlozina/pod-metrics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dlozina/pod-metrics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlozina%2Fpod-metrics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlozina%2Fpod-metrics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65cc563cfa172ac5962c1932c50827d4f45d80ad
[INFO] checking dlozina/pod-metrics 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%2Fdlozina%2Fpod-metrics" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dlozina/pod-metrics
[INFO] finished tweaking git repo https://github.com/dlozina/pod-metrics
[INFO] tweaked toml for git repo https://github.com/dlozina/pod-metrics written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dlozina/pod-metrics 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/dlozina/pod-metrics 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "39b1766c6a2522094d50ed4e02da2ded685cda524e81f44079f28d5da8195f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39b1766c6a2522094d50ed4e02da2ded685cda524e81f44079f28d5da8195f4f", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "cb2f082e651cbb7053e8252c0d952ada44f386cd56a4e2cbbcd5be07d1858de8", kill_on_drop: false }`
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[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/kubernetes/errors.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum MetricsError {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     TimeoutError(Duration),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     RateLimitError(Duration),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     PodNotFound(String, String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     MetricsNotAvailable(String, String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     InvalidMetricFormat(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     MetricsServerError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     AuthorizationError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     NetworkError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     InternalError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetricsError` has a derived impl for the trait `Debug`, 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: methods `is_retriable`, `retry_delay`, and `should_alert` are never used
[INFO] [stdout]   --> src/kubernetes/errors.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl MetricsError {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 41 |     pub fn is_retriable(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn retry_delay(&self) -> Duration {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn should_alert(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_error` is never used
[INFO] [stdout]   --> src/kubernetes/errors.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn parse_error(value: impl Into<String>) -> MetricsError {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `timeout_error` is never used
[INFO] [stdout]   --> src/kubernetes/errors.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn timeout_error(duration: Duration) -> MetricsError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rate_limit_error` is never used
[INFO] [stdout]   --> src/kubernetes/errors.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn rate_limit_error(retry_after: Duration) -> MetricsError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pod_not_found` is never used
[INFO] [stdout]   --> src/kubernetes/errors.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn pod_not_found(pod_name: impl Into<String>, namespace: impl Into<String>) -> MetricsError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MetricsResultExt` is never used
[INFO] [stdout]   --> src/kubernetes/errors.rs:89:11
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub trait MetricsResultExt<T> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_volume_metrics` is never used
[INFO] [stdout]    --> src/metrics/collector.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn get_volume_metrics(_pod: &Pod, _volume_name: &str) -> (Option<f64>, Option<f64>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/kubernetes/errors.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum MetricsError {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     TimeoutError(Duration),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     RateLimitError(Duration),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     PodNotFound(String, String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     MetricsNotAvailable(String, String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     InvalidMetricFormat(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     MetricsServerError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     AuthorizationError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     NetworkError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     InternalError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetricsError` has a derived impl for the trait `Debug`, 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: methods `is_retriable`, `retry_delay`, and `should_alert` are never used
[INFO] [stdout]   --> src/kubernetes/errors.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl MetricsError {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 41 |     pub fn is_retriable(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn retry_delay(&self) -> Duration {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn should_alert(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_error` is never used
[INFO] [stdout]   --> src/kubernetes/errors.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn parse_error(value: impl Into<String>) -> MetricsError {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `timeout_error` is never used
[INFO] [stdout]   --> src/kubernetes/errors.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn timeout_error(duration: Duration) -> MetricsError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rate_limit_error` is never used
[INFO] [stdout]   --> src/kubernetes/errors.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn rate_limit_error(retry_after: Duration) -> MetricsError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pod_not_found` is never used
[INFO] [stdout]   --> src/kubernetes/errors.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn pod_not_found(pod_name: impl Into<String>, namespace: impl Into<String>) -> MetricsError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MetricsResultExt` is never used
[INFO] [stdout]   --> src/kubernetes/errors.rs:89:11
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub trait MetricsResultExt<T> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_volume_metrics` is never used
[INFO] [stdout]    --> src/metrics/collector.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn get_volume_metrics(_pod: &Pod, _volume_name: &str) -> (Option<f64>, Option<f64>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "cb2f082e651cbb7053e8252c0d952ada44f386cd56a4e2cbbcd5be07d1858de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2f082e651cbb7053e8252c0d952ada44f386cd56a4e2cbbcd5be07d1858de8", kill_on_drop: false }`
[INFO] [stdout] cb2f082e651cbb7053e8252c0d952ada44f386cd56a4e2cbbcd5be07d1858de8
