[INFO] cloning repository https://github.com/glebpom/squeezer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glebpom/squeezer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglebpom%2Fsqueezer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglebpom%2Fsqueezer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 408ef1407a2b26857dde85eee0464c5ea54d7a56
[INFO] checking glebpom/squeezer against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglebpom%2Fsqueezer" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/glebpom/squeezer
[INFO] finished tweaking git repo https://github.com/glebpom/squeezer
[INFO] tweaked toml for git repo https://github.com/glebpom/squeezer written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/glebpom/squeezer on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/glebpom/squeezer 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "fbd80b05bdb392752c3a9631276feca694ff1291c45769705b2d7b6f5f165a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbd80b05bdb392752c3a9631276feca694ff1291c45769705b2d7b6f5f165a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd80b05bdb392752c3a9631276feca694ff1291c45769705b2d7b6f5f165a5e", kill_on_drop: false }`
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tokio-macros v1.8.0
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[INFO] [stderr]     Checking futures-executor v0.3.21
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[INFO] [stderr]     Checking squeezer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::plan::Plan`
[INFO] [stdout]  --> src/collector.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::plan::Plan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::plan::Plan`
[INFO] [stdout]  --> src/collector.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::plan::Plan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/executor.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for (k, v) in &self.results {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/executor.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for (k, v) in &self.results {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExecutorStatsData` is never constructed
[INFO] [stdout]   --> src/executor.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct ExecutorStatsData<const N: usize, O>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExecutorStatsFrozenData` is never constructed
[INFO] [stdout]   --> src/executor.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct ExecutorStatsFrozenData<const N: usize, O>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExecutorStats` is never constructed
[INFO] [stdout]   --> src/executor.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct ExecutorStats<const N: usize, O>
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load` is never used
[INFO] [stdout]    --> src/executor.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 105 | / impl<const N: usize, O> ExecutorStats<N, O>
[INFO] [stdout] 106 | |     where
[INFO] [stdout] 107 | |         O: Hash + Eq + Send + Clone + 'static,
[INFO] [stdout]     | |______________________________________________- method in this implementation
[INFO] [stdout] 108 |   {
[INFO] [stdout] 109 |       pub fn load(&self) -> Option<ExecutorStatsFrozenData<N, O>> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Executor` is never constructed
[INFO] [stdout]    --> src/executor.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct Executor<const N: usize, P, O, F, Fn>
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `stats`, and `run` are never used
[INFO] [stdout]    --> src/executor.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 143 | / impl<const N: usize, P, O, F, Fn> Executor<N, P, O, F, Fn>
[INFO] [stdout] 144 | |     where
[INFO] [stdout] 145 | |         P: Plan,
[INFO] [stdout] 146 | |         O: Hash + Eq + Send + Clone + 'static,
[INFO] [stdout] 147 | |         F: 'static + Future<Output=O> + Send,
[INFO] [stdout] 148 | |         Fn: 'static + FnMut() -> F + Send,
[INFO] [stdout]     | |__________________________________________- associated items in this implementation
[INFO] [stdout] 149 |   {
[INFO] [stdout] 150 |       pub fn new(plan: P, func: Fn, max_concurrency: usize) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |       pub fn stats(&self) -> ExecutorStats<N, O> {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |       pub async fn run(self) {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Generator` is never constructed
[INFO] [stdout]   --> src/gen.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Generator<P> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `start` are never used
[INFO] [stdout]   --> src/gen.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<P: Plan> Generator<P> {
[INFO] [stdout]    | -------------------------- associated items in this implementation
[INFO] [stdout] 17 |     pub fn new(plan: P) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn start(self) -> GeneratorStream<P> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `New` is never constructed
[INFO] [stdout]   --> src/gen.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum GeneratorStreamState {
[INFO] [stdout]    |      -------------------- variant in this enum
[INFO] [stdout] 27 |     New,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/gen.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<P: Plan> GeneratorStream<P> {
[INFO] [stdout]    | -------------------------------- associated function in this implementation
[INFO] [stdout] 45 |     fn new(plan: P) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PushMetric` is never used
[INFO] [stdout]   --> src/measure.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait PushMetric: Default + Clone + Send + 'static {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PerSecondMeasurementState` is never constructed
[INFO] [stdout]   --> src/measure.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PerSecondMeasurementState<const N: usize, P: PushMetric> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `current_in_window` is never used
[INFO] [stdout]   --> src/measure.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<const N: usize, P: PushMetric> PerSecondMeasurementState<N, P> {
[INFO] [stdout]    | ------------------------------------------------------------------- method in this implementation
[INFO] [stdout] 24 |     pub fn current_in_window(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QpsPushMetric` is never constructed
[INFO] [stdout]   --> src/measure.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct QpsPushMetric {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QpsMeasure` is never constructed
[INFO] [stdout]   --> src/measure.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct QpsMeasure<const N: usize, P: PushMetric> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push_metric`, `current`, `current_in_window`, and `state` are never used
[INFO] [stdout]    --> src/measure.rs:77:12
[INFO] [stdout]     |
[INFO] [stdout]  76 | impl<const N: usize, P: PushMetric> QpsMeasure<N, P> {
[INFO] [stdout]     | ---------------------------------------------------- associated items in this implementation
[INFO] [stdout]  77 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn push_metric(&self, metric: u64) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn current(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn current_in_window(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub fn state(&self) -> PerSecondMeasurementState<N, P> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Finished` is never constructed
[INFO] [stdout]  --> src/plan/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Error {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 8 |     #[error("plan execution is already finished at this time")]
[INFO] [stdout] 9 |     Finished,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Constant` is never constructed
[INFO] [stdout]  --> src/plan/constant.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Constant {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/plan/constant.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Constant {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 20 |     pub fn new(val: f64, period: Duration) -> Result<Self, ()> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Linear` is never constructed
[INFO] [stdout]  --> src/plan/linear.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Linear {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LinearError` is never used
[INFO] [stdout]   --> src/plan/linear.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum LinearError {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/plan/linear.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Linear {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn new(from: f64, to: f64, period: Duration) -> Result<Self, LinearError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Collections` is never constructed
[INFO] [stdout]   --> src/collector.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Collections {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Collector` is never constructed
[INFO] [stdout]   --> src/collector.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Collector<const N: usize, O>
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `spawn`, and `data_view` are never used
[INFO] [stdout]   --> src/collector.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | / impl<const N: usize, O> Collector<N, O>
[INFO] [stdout] 31 | |     where
[INFO] [stdout] 32 | |         O: Hash + Eq + Send + Clone + 'static,
[INFO] [stdout]    | |______________________________________________- associated items in this implementation
[INFO] [stdout] 33 |   {
[INFO] [stdout] 34 |       pub fn new(statistics: ExecutorStats<N, O>) -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |       pub fn spawn(&self) {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |       pub fn data_view(&self) -> MutexGuard<'_, RawMutex, Collections> {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/executor.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for (k, v) in &self.results {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/executor.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for (k, v) in &self.results {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `time` is never read
[INFO] [stdout]   --> src/measure.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PerSecondMeasurementState<const N: usize, P: PushMetric> {
[INFO] [stdout]    |            ------------------------- field in this struct
[INFO] [stdout] 18 |     time: Instant,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PerSecondMeasurementState` has derived impls for the traits `Clone` and `Debug`, but these are 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: method `current` is never used
[INFO] [stdout]    --> src/measure.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout]  76 | impl<const N: usize, P: PushMetric> QpsMeasure<N, P> {
[INFO] [stdout]     | ---------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn current(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.51s
[INFO] running `Command { std: "docker" "inspect" "f8aa64a17d5163e6d00a4247e981a3025f37961f8e5c6c1696e7d0ef93489ac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8aa64a17d5163e6d00a4247e981a3025f37961f8e5c6c1696e7d0ef93489ac7", kill_on_drop: false }`
[INFO] [stdout] f8aa64a17d5163e6d00a4247e981a3025f37961f8e5c6c1696e7d0ef93489ac7
