[INFO] fetching crate opentelemetry-zipkin 0.14.0...
[INFO] testing opentelemetry-zipkin-0.14.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate opentelemetry-zipkin 0.14.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate opentelemetry-zipkin 0.14.0 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-zipkin 0.14.0
[INFO] finished tweaking crates.io crate opentelemetry-zipkin 0.14.0
[INFO] tweaked toml for crates.io crate opentelemetry-zipkin 0.14.0 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 49aaffbf96e2db0d9877f5a5d9fc1fd758ce541059800842e2abdf486d30a845
[INFO] running `Command { std: "docker" "start" "-a" "49aaffbf96e2db0d9877f5a5d9fc1fd758ce541059800842e2abdf486d30a845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49aaffbf96e2db0d9877f5a5d9fc1fd758ce541059800842e2abdf486d30a845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49aaffbf96e2db0d9877f5a5d9fc1fd758ce541059800842e2abdf486d30a845", kill_on_drop: false }`
[INFO] [stdout] 49aaffbf96e2db0d9877f5a5d9fc1fd758ce541059800842e2abdf486d30a845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7f15a095d260dcd615038007bf163725059aa7cab1042216a7b64e36ba424cb1
[INFO] running `Command { std: "docker" "start" "-a" "7f15a095d260dcd615038007bf163725059aa7cab1042216a7b64e36ba424cb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling typed-builder v0.9.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[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 tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling opentelemetry-semantic-conventions v0.8.0
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling opentelemetry-http v0.5.0
[INFO] [stderr]    Compiling opentelemetry-zipkin v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.99s
[INFO] running `Command { std: "docker" "inspect" "7f15a095d260dcd615038007bf163725059aa7cab1042216a7b64e36ba424cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f15a095d260dcd615038007bf163725059aa7cab1042216a7b64e36ba424cb1", kill_on_drop: false }`
[INFO] [stdout] 7f15a095d260dcd615038007bf163725059aa7cab1042216a7b64e36ba424cb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 33c5daa897118e202f763debbe02f19f328e522cfca719b8d8bebc49a846b30f
[INFO] running `Command { std: "docker" "start" "-a" "33c5daa897118e202f763debbe02f19f328e522cfca719b8d8bebc49a846b30f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling isahc v1.5.0
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling sluice v0.5.5
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling opentelemetry-zipkin v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `testing` in `opentelemetry`
[INFO] [stdout]    --> src/propagator/mod.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 311 |         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/propagator/mod.rs:572:45
[INFO] [stdout]     |
[INFO] [stdout] 572 |                 &Context::current_with_span(TestSpan(context)),
[INFO] [stdout]     |                                             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `TestSpan` in this scope
[INFO] [stdout]    --> src/propagator/mod.rs:586:45
[INFO] [stdout]     |
[INFO] [stdout] 586 |                 &Context::current_with_span(TestSpan(context.clone())),
[INFO] [stdout]     |                                             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `TestSpan` in this scope
[INFO] [stdout]    --> src/propagator/mod.rs:590:45
[INFO] [stdout]     |
[INFO] [stdout] 590 |                 &Context::current_with_span(TestSpan(context)),
[INFO] [stdout]     |                                             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `TestSpan` in this scope
[INFO] [stdout]    --> src/propagator/mod.rs:626:45
[INFO] [stdout]     |
[INFO] [stdout] 626 |                 &Context::current_with_span(TestSpan(context)),
[INFO] [stdout]     |                                             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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-zipkin` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "33c5daa897118e202f763debbe02f19f328e522cfca719b8d8bebc49a846b30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c5daa897118e202f763debbe02f19f328e522cfca719b8d8bebc49a846b30f", kill_on_drop: false }`
[INFO] [stdout] 33c5daa897118e202f763debbe02f19f328e522cfca719b8d8bebc49a846b30f