[INFO] cloning repository https://github.com/visnkmr/opentelemetrytest_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/visnkmr/opentelemetrytest_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvisnkmr%2Fopentelemetrytest_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvisnkmr%2Fopentelemetrytest_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 597b100949656ce621e6e427d1758229ede2506b
[INFO] checking visnkmr/opentelemetrytest_rust against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvisnkmr%2Fopentelemetrytest_rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/visnkmr/opentelemetrytest_rust
[INFO] finished tweaking git repo https://github.com/visnkmr/opentelemetrytest_rust
[INFO] tweaked toml for git repo https://github.com/visnkmr/opentelemetrytest_rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/visnkmr/opentelemetrytest_rust on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/visnkmr/opentelemetrytest_rust 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded integer-encoding v1.1.7
[INFO] [stderr]   Downloaded pin-project v1.1.2
[INFO] [stderr]   Downloaded opentelemetry-http v0.8.0
[INFO] [stderr]   Downloaded pin-project-internal v1.1.2
[INFO] [stderr]   Downloaded opentelemetry-semantic-conventions v0.8.0
[INFO] [stderr]   Downloaded async-trait v0.1.72
[INFO] [stderr]   Downloaded thrift v0.13.0
[INFO] [stderr]   Downloaded opentelemetry_api v0.19.0
[INFO] [stderr]   Downloaded serde v1.0.177
[INFO] [stderr]   Downloaded opentelemetry v0.16.0
[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.15.0
[INFO] [stderr]   Downloaded fltk v1.4.8
[INFO] [stderr]   Downloaded ttf-parser v0.19.1
[INFO] [stderr]   Downloaded syn v2.0.27
[INFO] [stderr]   Downloaded serde_derive v1.0.177
[INFO] [stderr]   Downloaded fltk-sys v1.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21c5847e7f6e83ccc1eb01602ae746173053192b8415bc73fc814499e9428f4d
[INFO] running `Command { std: "docker" "start" "-a" "21c5847e7f6e83ccc1eb01602ae746173053192b8415bc73fc814499e9428f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21c5847e7f6e83ccc1eb01602ae746173053192b8415bc73fc814499e9428f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c5847e7f6e83ccc1eb01602ae746173053192b8415bc73fc814499e9428f4d", kill_on_drop: false }`
[INFO] [stdout] 21c5847e7f6e83ccc1eb01602ae746173053192b8415bc73fc814499e9428f4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a946f479ee7420fafd38bcacd54eec322862576ee4b789142c6d7af68670972a
[INFO] running `Command { std: "docker" "start" "-a" "a946f479ee7420fafd38bcacd54eec322862576ee4b789142c6d7af68670972a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling async-trait v0.1.72
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling serde v1.0.177
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.177
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking integer-encoding v1.1.7
[INFO] [stderr]     Checking ttf-parser v0.19.1
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling fltk-sys v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking thrift v0.13.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]     Checking thiserror v1.0.44
[INFO] [stderr]     Checking pin-project v1.1.2
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking opentelemetry_api v0.19.0
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking opentelemetry-http v0.8.0
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking opentelemetry v0.16.0
[INFO] [stderr]     Checking opentelemetry-semantic-conventions v0.8.0
[INFO] [stderr]     Checking opentelemetry-jaeger v0.15.0
[INFO] [stderr]     Checking fltk v1.4.8
[INFO] [stderr]     Checking testotel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `sync::mpsc`, `thread`, and `time::Duration`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{time::Duration, error::Error, thread, sync::mpsc};
[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 imports: `Key`, `SpanKind`, and `TracerProvider`
[INFO] [stdout]   --> src/main.rs:13:77
[INFO] [stdout]    |
[INFO] [stdout] 13 | ...t, SpanKind, Span, get_active_span}, sdk::{trace::{Config, TracerProvider}, Resource, propagation::TraceContextPropagator}, KeyValue, global, Key, C...
[INFO] [stdout]    |       ^^^^^^^^                                                ^^^^^^^^^^^^^^                                                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut k=false;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cxtin`
[INFO] [stdout]   --> src/main.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |     get_active_span(|cxtin| async{
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_cxtin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut k=false;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sync::mpsc`, `thread`, and `time::Duration`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{time::Duration, error::Error, thread, sync::mpsc};
[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 imports: `Key`, `SpanKind`, and `TracerProvider`
[INFO] [stdout]   --> src/main.rs:13:77
[INFO] [stdout]    |
[INFO] [stdout] 13 | ...t, SpanKind, Span, get_active_span}, sdk::{trace::{Config, TracerProvider}, Resource, propagation::TraceContextPropagator}, KeyValue, global, Key, C...
[INFO] [stdout]    |       ^^^^^^^^                                                ^^^^^^^^^^^^^^                                                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | /         tokio::spawn(tokio::spawn(async move{
[INFO] [stdout] 52 | |             let cx = Context::current();
[INFO] [stdout] 53 | |             let tracer = global::tracer("example-opentelemetry/thread");
[INFO] [stdout] 54 | |             let mut span = tracer.start("thread_code");
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |     .with_context(cx)
[INFO] [stdout] 79 | |     .await;
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let _ = tokio::spawn(tokio::spawn(async move{
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut k=false;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cxtin`
[INFO] [stdout]   --> src/main.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |     get_active_span(|cxtin| async{
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_cxtin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut k=false;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | /         tokio::spawn(tokio::spawn(async move{
[INFO] [stdout] 52 | |             let cx = Context::current();
[INFO] [stdout] 53 | |             let tracer = global::tracer("example-opentelemetry/thread");
[INFO] [stdout] 54 | |             let mut span = tracer.start("thread_code");
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |     .with_context(cx)
[INFO] [stdout] 79 | |     .await;
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let _ = tokio::spawn(tokio::spawn(async move{
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "a946f479ee7420fafd38bcacd54eec322862576ee4b789142c6d7af68670972a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a946f479ee7420fafd38bcacd54eec322862576ee4b789142c6d7af68670972a", kill_on_drop: false }`
[INFO] [stdout] a946f479ee7420fafd38bcacd54eec322862576ee4b789142c6d7af68670972a
