[INFO] fetching crate opentelemetry 0.11.2...
[INFO] testing opentelemetry-0.11.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate opentelemetry 0.11.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate opentelemetry 0.11.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opentelemetry 0.11.2
[INFO] finished tweaking crates.io crate opentelemetry 0.11.2
[INFO] tweaked toml for crates.io crate opentelemetry 0.11.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 606699789c98c9e6d8c6768a9f7cfa70d6bc5896a1ac1ddd707c71be1b674e08
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "606699789c98c9e6d8c6768a9f7cfa70d6bc5896a1ac1ddd707c71be1b674e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "606699789c98c9e6d8c6768a9f7cfa70d6bc5896a1ac1ddd707c71be1b674e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "606699789c98c9e6d8c6768a9f7cfa70d6bc5896a1ac1ddd707c71be1b674e08", kill_on_drop: false }`
[INFO] [stdout] 606699789c98c9e6d8c6768a9f7cfa70d6bc5896a1ac1ddd707c71be1b674e08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acadfeae5a89dfb550e46fbf551c34a5150e41049ef3a293b42945bbe5ae2940
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "acadfeae5a89dfb550e46fbf551c34a5150e41049ef3a293b42945bbe5ae2940", kill_on_drop: false }`
[INFO] [stderr]    Compiling opentelemetry v0.11.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `Command { std: "docker" "inspect" "acadfeae5a89dfb550e46fbf551c34a5150e41049ef3a293b42945bbe5ae2940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acadfeae5a89dfb550e46fbf551c34a5150e41049ef3a293b42945bbe5ae2940", kill_on_drop: false }`
[INFO] [stdout] acadfeae5a89dfb550e46fbf551c34a5150e41049ef3a293b42945bbe5ae2940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d768e17a8c81e0e98c5b1de7bb064c8f090b8e6cc296971b3028e329cb4f73d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d768e17a8c81e0e98c5b1de7bb064c8f090b8e6cc296971b3028e329cb4f73d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling rand_distr v0.3.0
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling opentelemetry v0.11.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `testing`?
[INFO] [stdout]    --> src/api/trace/noop.rs:190:16
[INFO] [stdout]     |
[INFO] [stdout] 190 |     use crate::testing::trace::TestSpan;
[INFO] [stdout]     |                ^^^^^^^ maybe a missing crate `testing`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `testing`?
[INFO] [stdout]    --> src/sdk/propagation/composite.rs:113:16
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use crate::testing::trace::TestSpan;
[INFO] [stdout]     |                ^^^^^^^ maybe a missing crate `testing`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `testing`?
[INFO] [stdout]    --> src/sdk/propagation/trace_context.rs:152:16
[INFO] [stdout]     |
[INFO] [stdout] 152 |     use crate::testing::trace::TestSpan;
[INFO] [stdout]     |                ^^^^^^^ maybe a missing crate `testing`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `testing`?
[INFO] [stdout]    --> src/sdk/trace/sampler.rs:166:16
[INFO] [stdout]     |
[INFO] [stdout] 166 |     use crate::testing::trace::TestSpan;
[INFO] [stdout]     |                ^^^^^^^ maybe a missing crate `testing`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `testing`?
[INFO] [stdout]    --> src/sdk/trace/span_processor.rs:575:16
[INFO] [stdout]     |
[INFO] [stdout] 575 |     use crate::testing::trace::{
[INFO] [stdout]     |                ^^^^^^^ maybe a missing crate `testing`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `testing`?
[INFO] [stdout]    --> src/sdk/trace/tracer.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 |         testing::trace::TestSpan,
[INFO] [stdout]     |         ^^^^^^^ maybe a missing crate `testing`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `TestSpan` in this scope
[INFO] [stdout]    --> src/api/trace/noop.rs:215:61
[INFO] [stdout]     |
[INFO] [stdout] 215 |             .with_parent_context(Context::current_with_span(TestSpan(valid_span_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/sdk/propagation/composite.rs:193:47
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let cx = Context::default().with_span(TestSpan(SpanContext::new(
[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/sdk/propagation/composite.rs:226:47
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let cx = Context::default().with_span(TestSpan(SpanContext::new(
[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/sdk/propagation/trace_context.rs:267:45
[INFO] [stdout]     |
[INFO] [stdout] 267 |                 &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/sdk/trace/sampler.rs:233:53
[INFO] [stdout]     |
[INFO] [stdout] 233 |                     Some(Context::current_with_span(TestSpan(span_context)))
[INFO] [stdout]     |                                                     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `new_test_exporter` in this scope
[INFO] [stdout]    --> src/sdk/trace/span_processor.rs:589:51
[INFO] [stdout]     |
[INFO] [stdout] 589 |         let (exporter, rx_export, _rx_shutdown) = new_test_exporter();
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `new_test_export_span_data` in this scope
[INFO] [stdout]    --> src/sdk/trace/span_processor.rs:591:26
[INFO] [stdout]     |
[INFO] [stdout] 591 |         processor.on_end(new_test_export_span_data());
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `new_test_exporter` in this scope
[INFO] [stdout]    --> src/sdk/trace/span_processor.rs:597:51
[INFO] [stdout]     |
[INFO] [stdout] 597 |         let (exporter, _rx_export, rx_shutdown) = new_test_exporter();
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `new_tokio_test_exporter` in this scope
[INFO] [stdout]    --> src/sdk/trace/span_processor.rs:644:67
[INFO] [stdout]     |
[INFO] [stdout] 644 |         let (exporter, mut export_receiver, _shutdown_receiver) = new_tokio_test_exporter();
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `new_test_export_span_data` in this scope
[INFO] [stdout]    --> src/sdk/trace/span_processor.rs:660:51
[INFO] [stdout]     |
[INFO] [stdout] 660 |                     assert_eq!(span.span_context, new_test_export_span_data().span_context);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `new_test_export_span_data` in this scope
[INFO] [stdout]    --> src/sdk/trace/span_processor.rs:666:26
[INFO] [stdout]     |
[INFO] [stdout] 666 |         processor.on_end(new_test_export_span_data());
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `new_test_export_span_data` in this scope
[INFO] [stdout]    --> src/sdk/trace/span_processor.rs:793:26
[INFO] [stdout]     |
[INFO] [stdout] 793 |         processor.on_end(new_test_export_span_data());
[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/sdk/trace/tracer.rs:356:61
[INFO] [stdout]     |
[INFO] [stdout] 356 |             parent_context: Some(Context::current_with_span(TestSpan(SpanContext::new(
[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/sdk/trace/tracer.rs:381:50
[INFO] [stdout]     |
[INFO] [stdout] 381 |         let context = Context::current_with_span(TestSpan(SpanContext::empty_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/sdk/trace/tracer.rs:397:52
[INFO] [stdout]     |
[INFO] [stdout] 397 |         let _attached = Context::current_with_span(TestSpan(SpanContext::empty_context())).attach();
[INFO] [stdout]     |                                                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 21 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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d768e17a8c81e0e98c5b1de7bb064c8f090b8e6cc296971b3028e329cb4f73d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d768e17a8c81e0e98c5b1de7bb064c8f090b8e6cc296971b3028e329cb4f73d3", kill_on_drop: false }`
[INFO] [stdout] d768e17a8c81e0e98c5b1de7bb064c8f090b8e6cc296971b3028e329cb4f73d3