[INFO] fetching crate opentelemetry-datadog 0.4.0...
[INFO] testing opentelemetry-datadog-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate opentelemetry-datadog 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate opentelemetry-datadog 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opentelemetry-datadog 0.4.0
[INFO] finished tweaking crates.io crate opentelemetry-datadog 0.4.0
[INFO] tweaked toml for crates.io crate opentelemetry-datadog 0.4.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eea68e7801443bc72b8011a4844363be5227056371d81551e2a99e386c397aa8
[INFO] running `Command { std: "docker" "start" "-a" "eea68e7801443bc72b8011a4844363be5227056371d81551e2a99e386c397aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eea68e7801443bc72b8011a4844363be5227056371d81551e2a99e386c397aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea68e7801443bc72b8011a4844363be5227056371d81551e2a99e386c397aa8", kill_on_drop: false }`
[INFO] [stdout] eea68e7801443bc72b8011a4844363be5227056371d81551e2a99e386c397aa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 500e1236eaa60cd9579253ba97c99e9afc0828fb622ea95c40ba0d56213fb6c8
[INFO] running `Command { std: "docker" "start" "-a" "500e1236eaa60cd9579253ba97c99e9afc0828fb622ea95c40ba0d56213fb6c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling opentelemetry v0.16.0
[INFO] [stderr]    Compiling opentelemetry-http v0.5.0
[INFO] [stderr]    Compiling opentelemetry-semantic-conventions v0.8.0
[INFO] [stderr]    Compiling opentelemetry-datadog v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.42s
[INFO] running `Command { std: "docker" "inspect" "500e1236eaa60cd9579253ba97c99e9afc0828fb622ea95c40ba0d56213fb6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500e1236eaa60cd9579253ba97c99e9afc0828fb622ea95c40ba0d56213fb6c8", kill_on_drop: false }`
[INFO] [stdout] 500e1236eaa60cd9579253ba97c99e9afc0828fb622ea95c40ba0d56213fb6c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a27d6102440571ba03057216c4561213b52f4f8bad73793a52591818bc66f0e7
[INFO] running `Command { std: "docker" "start" "-a" "a27d6102440571ba03057216c4561213b52f4f8bad73793a52591818bc66f0e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling isahc v1.5.0
[INFO] [stderr]    Compiling opentelemetry-datadog v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `testing` in `opentelemetry`
[INFO] [stdout]    --> src/lib.rs:313:28
[INFO] [stdout]     |
[INFO] [stdout] 313 |         use opentelemetry::testing::trace::TestSpan;
[INFO] [stdout]     |                            ^^^^^^^ could not find `testing` in `opentelemetry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `TestSpan` in this scope
[INFO] [stdout]    --> src/lib.rs:371:49
[INFO] [stdout]     |
[INFO] [stdout] 371 |                     &Context::current_with_span(TestSpan(span_context)),
[INFO] [stdout]     |                                                 ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `opentelemetry-datadog` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a27d6102440571ba03057216c4561213b52f4f8bad73793a52591818bc66f0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a27d6102440571ba03057216c4561213b52f4f8bad73793a52591818bc66f0e7", kill_on_drop: false }`
[INFO] [stdout] a27d6102440571ba03057216c4561213b52f4f8bad73793a52591818bc66f0e7