[INFO] fetching crate datadog-tracing 0.2.3...
[INFO] checking datadog-tracing-0.2.3 against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] extracting crate datadog-tracing 0.2.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate datadog-tracing 0.2.3 on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate datadog-tracing 0.2.3
[INFO] finished tweaking crates.io crate datadog-tracing 0.2.3
[INFO] tweaked toml for crates.io crate datadog-tracing 0.2.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 212 packages to latest compatible versions
[INFO] [stderr]       Adding axum v0.7.9 (available: v0.8.4)
[INFO] [stderr]       Adding axum-tracing-opentelemetry v0.16.0 (available: v0.29.0)
[INFO] [stderr]       Adding opentelemetry v0.21.0 (available: v0.30.0)
[INFO] [stderr]       Adding opentelemetry-datadog v0.9.0 (available: v0.18.0)
[INFO] [stderr]       Adding opentelemetry-http v0.10.0 (available: v0.30.0)
[INFO] [stderr]       Adding opentelemetry_sdk v0.21.2 (available: v0.30.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.20)
[INFO] [stderr]       Adding tower v0.4.13 (available: v0.5.2)
[INFO] [stderr]       Adding tracing-opentelemetry v0.22.0 (available: v0.31.0)
[INFO] [stderr]       Adding tracing-opentelemetry-instrumentation-sdk v0.16.0 (available: v0.29.0)
[INFO] [stderr]       Adding tracing-serde v0.1.3 (available: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 530395a1c8a83edbb1822a97d5b98249e2b29d615a169f91abe1768201bca541
[INFO] running `Command { std: "docker" "start" "-a" "530395a1c8a83edbb1822a97d5b98249e2b29d615a169f91abe1768201bca541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "530395a1c8a83edbb1822a97d5b98249e2b29d615a169f91abe1768201bca541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530395a1c8a83edbb1822a97d5b98249e2b29d615a169f91abe1768201bca541", kill_on_drop: false }`
[INFO] [stdout] 530395a1c8a83edbb1822a97d5b98249e2b29d615a169f91abe1768201bca541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e64f90061778410a0e00c46820893b1ad781734b33d383c38b56d334527fa28
[INFO] running `Command { std: "docker" "start" "-a" "8e64f90061778410a0e00c46820893b1ad781734b33d383c38b56d334527fa28", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking urlencoding v2.1.3
[INFO] [stderr]     Checking opentelemetry v0.21.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/opentelemetry-0.21.0/src/trace/context.rs:284:13
[INFO] [stdout]     |
[INFO] [stdout] 284 |             SpanRef(&NOOP_SPAN)
[INFO] [stdout]     |             ^^^^^^^^^---------^
[INFO] [stdout]     |             |        |
[INFO] [stdout]     |             |        temporary value created here
[INFO] [stdout]     |             returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `opentelemetry` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8e64f90061778410a0e00c46820893b1ad781734b33d383c38b56d334527fa28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e64f90061778410a0e00c46820893b1ad781734b33d383c38b56d334527fa28", kill_on_drop: false }`
[INFO] [stdout] 8e64f90061778410a0e00c46820893b1ad781734b33d383c38b56d334527fa28