[INFO] fetching crate tracing-opentelemetry 0.15.0...
[INFO] testing tracing-opentelemetry-0.15.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tracing-opentelemetry 0.15.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate tracing-opentelemetry 0.15.0 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 tracing-opentelemetry 0.15.0
[INFO] finished tweaking crates.io crate tracing-opentelemetry 0.15.0
[INFO] tweaked toml for crates.io crate tracing-opentelemetry 0.15.0 written to /workspace/builds/worker-20/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opentelemetry-semantic-conventions v0.8.0
[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.15.0
[INFO] [stderr]   Downloaded opentelemetry v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] c615a121a5894355414e036e9a7df4b8c6b4c9ef08c8c98f0928a3f9721a4a21
[INFO] running `Command { std: "docker" "start" "-a" "c615a121a5894355414e036e9a7df4b8c6b4c9ef08c8c98f0928a3f9721a4a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c615a121a5894355414e036e9a7df4b8c6b4c9ef08c8c98f0928a3f9721a4a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c615a121a5894355414e036e9a7df4b8c6b4c9ef08c8c98f0928a3f9721a4a21", kill_on_drop: false }`
[INFO] [stdout] c615a121a5894355414e036e9a7df4b8c6b4c9ef08c8c98f0928a3f9721a4a21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 99f18e4b97506a4edc90ea3f2483ff794d8053408b400ba15e63d7bbbdf98a0a
[INFO] running `Command { std: "docker" "start" "-a" "99f18e4b97506a4edc90ea3f2483ff794d8053408b400ba15e63d7bbbdf98a0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling pin-project v1.0.8
[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 tracing-opentelemetry v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.76s
[INFO] running `Command { std: "docker" "inspect" "99f18e4b97506a4edc90ea3f2483ff794d8053408b400ba15e63d7bbbdf98a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f18e4b97506a4edc90ea3f2483ff794d8053408b400ba15e63d7bbbdf98a0a", kill_on_drop: false }`
[INFO] [stdout] 99f18e4b97506a4edc90ea3f2483ff794d8053408b400ba15e63d7bbbdf98a0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] fc56fa6661c618904fdde9944c60b6f545d7225eede045acb8708f243072427c
[INFO] running `Command { std: "docker" "start" "-a" "fc56fa6661c618904fdde9944c60b6f545d7225eede045acb8708f243072427c", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling integer-encoding v1.1.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling opentelemetry-semantic-conventions v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling thrift v0.13.0
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling opentelemetry-jaeger v0.15.0
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling tracing-opentelemetry v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.88s
[INFO] running `Command { std: "docker" "inspect" "fc56fa6661c618904fdde9944c60b6f545d7225eede045acb8708f243072427c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc56fa6661c618904fdde9944c60b6f545d7225eede045acb8708f243072427c", kill_on_drop: false }`
[INFO] [stdout] fc56fa6661c618904fdde9944c60b6f545d7225eede045acb8708f243072427c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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", kill_on_drop: false }`
[INFO] [stdout] 3ce18f7dfb51fedca2bb10ae3009d798f3328366492934f3d1b9a3321bcc7cc3
[INFO] running `Command { std: "docker" "start" "-a" "3ce18f7dfb51fedca2bb10ae3009d798f3328366492934f3d1b9a3321bcc7cc3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracing_opentelemetry-1e567f722034994a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test layer::tests::trace_id_from_existing_context ... ok
[INFO] [stderr]      Running tests/trace_state_propagation.rs (/opt/rustwide/target/debug/deps/trace_state_propagation-c97321f46e550883)
[INFO] [stdout] test layer::tests::span_status_code ... ok
[INFO] [stderr]    Doc-tests tracing-opentelemetry
[INFO] [stdout] test tracer::tests::assigns_default_trace_id_if_missing ... ok
[INFO] [stdout] test layer::tests::dynamic_span_names ... ok
[INFO] [stdout] test layer::tests::span_kind ... ok
[INFO] [stdout] test tracer::tests::sampled_context ... ok
[INFO] [stdout] test layer::tests::span_status_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test trace_root_with_children ... ok
[INFO] [stdout] test trace_with_assigned_otel_context ... ok
[INFO] [stdout] test inject_context_into_outgoing_requests ... ok
[INFO] [stdout] test trace_with_active_otel_context ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/layer.rs - layer::OpenTelemetryLayer<S, T>::new (line 252) - compile ... ok
[INFO] [stdout] test src/layer.rs - layer::layer (line 50) - compile ... ok
[INFO] [stdout] test src/layer.rs - layer::OpenTelemetryLayer<S, T>::with_tracer (line 288) - compile ... ok
[INFO] [stdout] test src/span_ext.rs - span_ext::OpenTelemetrySpanExt::context (line 51) ... ok
[INFO] [stdout] test src/span_ext.rs - span_ext::OpenTelemetrySpanExt::set_parent (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.99s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ce18f7dfb51fedca2bb10ae3009d798f3328366492934f3d1b9a3321bcc7cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce18f7dfb51fedca2bb10ae3009d798f3328366492934f3d1b9a3321bcc7cc3", kill_on_drop: false }`
[INFO] [stdout] 3ce18f7dfb51fedca2bb10ae3009d798f3328366492934f3d1b9a3321bcc7cc3