[INFO] cloning repository https://github.com/nikhilgarg28/clockwork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikhilgarg28/clockwork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilgarg28%2Fclockwork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilgarg28%2Fclockwork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68ce1b45a4fffb7a98598d595ed931f6e4397cbb
[INFO] checking nikhilgarg28/clockwork against try#6713fa75964eb229409a9c6f6f5c418423e313ff for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilgarg28%2Fclockwork" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nikhilgarg28/clockwork
[INFO] finished tweaking git repo https://github.com/nikhilgarg28/clockwork
[INFO] tweaked toml for git repo https://github.com/nikhilgarg28/clockwork written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nikhilgarg28/clockwork on toolchain 6713fa75964eb229409a9c6f6f5c418423e313ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nikhilgarg28/clockwork 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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded testing_table v0.3.0
[INFO] [stderr]   Downloaded tabled_derive v0.11.0
[INFO] [stderr]   Downloaded monoio-macros v0.1.0
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[INFO] [stderr]   Downloaded auto-const-array v0.2.2
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[INFO] [stderr]   Downloaded smol v2.0.2
[INFO] [stderr]   Downloaded monoio v0.2.4
[INFO] [stderr]   Downloaded tabled v0.20.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0de266fa2abde445b46268eafd5fa8044d7abe0031bae95e211996661e77913c
[INFO] running `Command { std: "docker" "start" "-a" "0de266fa2abde445b46268eafd5fa8044d7abe0031bae95e211996661e77913c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0de266fa2abde445b46268eafd5fa8044d7abe0031bae95e211996661e77913c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de266fa2abde445b46268eafd5fa8044d7abe0031bae95e211996661e77913c", kill_on_drop: false }`
[INFO] [stdout] 0de266fa2abde445b46268eafd5fa8044d7abe0031bae95e211996661e77913c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 776d5548bc734beb6d2e314d00998279062293e60677d0016029e315d9281cb2
[INFO] running `Command { std: "docker" "start" "-a" "776d5548bc734beb6d2e314d00998279062293e60677d0016029e315d9281cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking smallvec v1.15.1
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[INFO] [stderr]     Checking bytecount v0.6.9
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking papergrid v0.17.0
[INFO] [stderr]     Checking testing_table v0.3.0
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking async-executor v1.13.3
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
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[INFO] [stderr]     Checking async-lock v3.4.2
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking flume v0.11.1
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[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking polling v3.11.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling auto-const-array v0.2.2
[INFO] [stderr]    Compiling monoio-macros v0.1.0
[INFO] [stderr]    Compiling tabled_derive v0.11.0
[INFO] [stderr]     Checking async-signal v0.2.13
[INFO] [stderr]     Checking async-net v2.0.0
[INFO] [stderr]     Checking async-process v2.5.0
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[INFO] [stderr]     Checking futures-util v0.3.31
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[INFO] [stderr]     Checking futures-executor v0.3.31
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[INFO] [stderr]     Checking clockworker v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static `CORE_LOCK` is never used
[INFO] [stdout]   --> benches/utils.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | static CORE_LOCK: std::sync::Mutex<()> = std::sync::Mutex::new(());
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_cpu_work_serialized` is never used
[INFO] [stdout]   --> benches/utils.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn do_cpu_work_serialized(duration: Duration) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Step` is never used
[INFO] [stdout]   --> benches/utils.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum Step {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Work` is never constructed
[INFO] [stdout]   --> benches/utils.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Work {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `run` are never used
[INFO] [stdout]   --> benches/utils.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Work {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 33 |     pub fn new(steps: Vec<Step>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub async fn run(&self) {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_cpu_work` is never used
[INFO] [stdout]   --> benches/utils.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn do_cpu_work(duration: Duration) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> benches/utils.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct Point {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Metrics` is never constructed
[INFO] [stdout]   --> benches/utils.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Metrics {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `record`, `quantile`, `len`, `mean`, and `stddev` are never used
[INFO] [stdout]    --> benches/utils.rs:76:12
[INFO] [stdout]     |
[INFO] [stdout]  75 | impl Metrics {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]  76 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     pub fn record(&mut self, lat: Duration, tags: &[&str]) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     pub fn quantile(&self, q: f64, tag: &str) -> Duration {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     pub fn len(&self) -> u64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn mean(&self, tag: &str) -> Duration {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn stddev(&self, tag: &str) -> Duration {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Executor` is never used
[INFO] [stdout]    --> benches/utils.rs:138:10
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub enum Executor {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Handle` is never used
[INFO] [stdout]    --> benches/utils.rs:148:10
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub enum Handle<T> {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `spawn`, `run_until`, `start_clockworker`, and `start_tokio` are never used
[INFO] [stdout]    --> benches/utils.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 172 | impl Executor {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 173 |     pub fn spawn<T: 'static>(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     pub async fn run_until<T>(&self, fut: impl std::future::Future<Output = T> + 'static) -> T {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     pub async fn start_clockworker(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |     pub async fn start_tokio(local: tokio::task::LocalSet) -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exponential_delay` is never used
[INFO] [stdout]    --> benches/utils.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn exponential_delay(rng: &mut impl rand::Rng, mean: Duration) -> Duration {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WorkSpec` is never constructed
[INFO] [stdout]    --> benches/utils.rs:226:12
[INFO] [stdout]     |
[INFO] [stdout] 226 | pub struct WorkSpec {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sample` is never used
[INFO] [stdout]    --> benches/utils.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 234 | impl WorkSpec {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] 235 |     pub fn sample(&self, rng: &mut StdRng) -> Work {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.29s
[INFO] running `Command { std: "docker" "inspect" "776d5548bc734beb6d2e314d00998279062293e60677d0016029e315d9281cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "776d5548bc734beb6d2e314d00998279062293e60677d0016029e315d9281cb2", kill_on_drop: false }`
[INFO] [stdout] 776d5548bc734beb6d2e314d00998279062293e60677d0016029e315d9281cb2
