[INFO] fetching crate opentracingrust 0.4.0...
[INFO] testing opentracingrust-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate opentracingrust 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate opentracingrust 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 opentracingrust 0.4.0
[INFO] finished tweaking crates.io crate opentracingrust 0.4.0
[INFO] tweaked toml for crates.io crate opentracingrust 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate opentracingrust 0.4.0 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3347b437dca8dbaf171653acbe76d5a22c91eb23280a8f98aedb96fab82a15fd
[INFO] running `Command { std: "docker" "start" "-a" "3347b437dca8dbaf171653acbe76d5a22c91eb23280a8f98aedb96fab82a15fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3347b437dca8dbaf171653acbe76d5a22c91eb23280a8f98aedb96fab82a15fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3347b437dca8dbaf171653acbe76d5a22c91eb23280a8f98aedb96fab82a15fd", kill_on_drop: false }`
[INFO] [stdout] 3347b437dca8dbaf171653acbe76d5a22c91eb23280a8f98aedb96fab82a15fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 68ae0996557ec6c8b74b4805ca9c0ec55d1ebf14bd922c2e5cf5400444baf2f3
[INFO] running `Command { std: "docker" "start" "-a" "68ae0996557ec6c8b74b4805ca9c0ec55d1ebf14bd922c2e5cf5400444baf2f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling opentracingrust v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "68ae0996557ec6c8b74b4805ca9c0ec55d1ebf14bd922c2e5cf5400444baf2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68ae0996557ec6c8b74b4805ca9c0ec55d1ebf14bd922c2e5cf5400444baf2f3", kill_on_drop: false }`
[INFO] [stdout] 68ae0996557ec6c8b74b4805ca9c0ec55d1ebf14bd922c2e5cf5400444baf2f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 47cfe595e96c2ccbdfad7f74fbf9b07d172df33612ab7f6630a3b9e681cfee41
[INFO] running `Command { std: "docker" "start" "-a" "47cfe595e96c2ccbdfad7f74fbf9b07d172df33612ab7f6630a3b9e681cfee41", kill_on_drop: false }`
[INFO] [stderr]    Compiling opentracingrust v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `Command { std: "docker" "inspect" "47cfe595e96c2ccbdfad7f74fbf9b07d172df33612ab7f6630a3b9e681cfee41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cfe595e96c2ccbdfad7f74fbf9b07d172df33612ab7f6630a3b9e681cfee41", kill_on_drop: false }`
[INFO] [stdout] 47cfe595e96c2ccbdfad7f74fbf9b07d172df33612ab7f6630a3b9e681cfee41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1dbe43d87d06c24c2a7e4b50a4c77a30f24cb9fa56ba76288cc63ce23c977783
[INFO] running `Command { std: "docker" "start" "-a" "1dbe43d87d06c24c2a7e4b50a4c77a30f24cb9fa56ba76288cc63ce23c977783", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/opentracingrust-aefa4a9b9c0b33ef)
[INFO] [stdout] running 67 tests
[INFO] [stdout] test span::tag::tests::iterate_over_tags ... ok
[INFO] [stdout] test carrier::tests::tree_map::inject_keys ... ok
[INFO] [stdout] test span::log::tests::set_log_timestamp ... ok
[INFO] [stdout] test span::log::tests::set_default_timestamp ... ok
[INFO] [stdout] test span::tag::tests::set_tag ... ok
[INFO] [stdout] test span::log::tests::defults_to_no_time ... ok
[INFO] [stdout] test span::tests::autofinish_deref ... ok
[INFO] [stdout] test span::tests::references::child_of ... ok
[INFO] [stdout] test carrier::tests::hash_map::inject_keys ... ok
[INFO] [stdout] test span::log::tests::add_field ... ok
[INFO] [stdout] test span::tests::autoclose_finish_span_on_drop ... ok
[INFO] [stdout] test span::tests::references::follows ... ok
[INFO] [stdout] test carrier::tests::tree_map::extract_keys ... ok
[INFO] [stdout] test carrier::tests::hash_map::extract_keys ... ok
[INFO] [stdout] test carrier::tests::tree_map::find_keys ... ok
[INFO] [stdout] test carrier::tests::hash_map::find_keys ... ok
[INFO] [stdout] test span::tag::tests::get_missing_tag ... ok
[INFO] [stdout] test span::tests::set_span_name ... ok
[INFO] [stdout] test span::tests::times::starts_now_by_default ... ok
[INFO] [stdout] test span_context::tests::debug_formatting ... ok
[INFO] [stdout] test tracer::tests::create_span ... ok
[INFO] [stdout] test span::tests::span_follows_another ... ok
[INFO] [stdout] test tracer::tests::extract_binary ... ok
[INFO] [stdout] test span::tests::tags::add_generic_tag ... ok
[INFO] [stdout] test span::tests::span_child_of_another ... ok
[INFO] [stdout] test span::tests::tags::add_float_tag ... ok
[INFO] [stdout] test span::tests::tags::add_str_tag ... ok
[INFO] [stdout] test span::tests::times::finish_span_at_finish_time ... ok
[INFO] [stdout] test span::tests::times::start_time_set ... ok
[INFO] [stdout] test span::tests::times::finish_span_on_finish ... ok
[INFO] [stdout] test span_context::impl_context::tests::unwrap_context ... ok
[INFO] [stdout] test tracer::tests::extract_textmap ... ok
[INFO] [stdout] test tracer::tests::inject_binary ... ok
[INFO] [stdout] test tracer::tests::inject_http_headers ... ok
[INFO] [stdout] test tracers::file::tests::span::create ... ok
[INFO] [stdout] test tracer::tests::extract_http_headers ... ok
[INFO] [stdout] test span::tests::tags::add_integer_tag ... ok
[INFO] [stdout] test span::tests::tags::add_string_tag ... ok
[INFO] [stdout] test span_context::impl_context::tests::clone_context ... ok
[INFO] [stdout] test utils::fail::tests::fail_spans ... ok
[INFO] [stdout] test span_context::tests::clone_span_context ... ok
[INFO] [stdout] test span_context::tests::set_baggage_item ... ok
[INFO] [stdout] test tracer::tests::inject_textmap ... ok
[INFO] [stdout] test span_context::tests::extract_implementation_context ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::http_headers ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::invalid::fails_if_invalid_trace_id ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::invalid::fails_if_invalid_span_id ... ok
[INFO] [stdout] test span::tests::autofinish_as_mut ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::invalid::returns_none_without_span_id ... ok
[INFO] [stdout] test tracers::file::tests::span::inject::http_headers ... ok
[INFO] [stdout] test tracers::file::tests::span::inject::text_map ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::invalid::returns_none_without_trace_id ... ok
[INFO] [stdout] test tracers::file::tests::span::write ... ok
[INFO] [stdout] test tracers::noop::tests::inner_context::follows_updates_trace_id ... ok
[INFO] [stdout] test span::tests::start_span_on_creation ... ok
[INFO] [stdout] test tracers::noop::tests::inner_context::child_of_updates_trace_id ... ok
[INFO] [stdout] test utils::global_tracer::tests::tracer_is_returned ... ok
[INFO] [stdout] test span::tests::references::multi_refs ... ok
[INFO] [stdout] test span::tests::send_span_on_finish ... ok
[INFO] [stdout] test span::tests::tags::add_bool_tag ... ok
[INFO] [stdout] test utils::global_tracer::tests::tracer_is_returned_to_many_threads ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::binary_not_supported - should panic ... ok
[INFO] [stdout] test tracers::noop::tests::inner_context::panics_if_invalid_context - should panic ... ok
[INFO] [stdout] test tracers::file::tests::span::inject::binary_not_supported - should panic ... ok
[INFO] [stdout] test utils::global_tracer::tests::tracer_must_be_set - should panic ... ok
[INFO] [stdout] test utils::global_tracer::tests::tracer_cannot_be_set_twice - should panic ... ok
[INFO] [stderr]    Doc-tests opentracingrust
[INFO] [stdout] test utils::reporter::tests::receive_span ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 67 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/carrier.rs - carrier::ExtractFormat (line 13) ... ok
[INFO] [stdout] test src/span_context/impl_context.rs - span_context::impl_context::ImplContextBox (line 108) ... ok
[INFO] [stdout] test src/utils/global_tracer.rs - utils::global_tracer::GlobalTracer (line 29) ... ok
[INFO] [stdout] test src/carrier.rs - carrier::InjectFormat (line 43) ... ok
[INFO] [stdout] test src/span/mod.rs - span::Span::tag (line 300) ... ok
[INFO] [stdout] test src/utils/fail.rs - utils::fail::FailSpan (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/span/log.rs - span::log::Log (line 17) ... ok
[INFO] [stdout] test src/tracers/noop.rs - tracers::noop::NoopTracer (line 35) ... ok
[INFO] [stdout] test src/span_context/impl_context.rs - span_context::impl_context::ImplContext (line 27) ... ok
[INFO] [stdout] test src/span/mod.rs - span::StartOptions (line 350) ... ok
[INFO] [stdout] test src/lib.rs - (line 102) ... ok
[INFO] [stdout] test src/span_context/mod.rs - span_context::SpanContext (line 39) ... ok
[INFO] [stdout] test src/tracers/file.rs - tracers::file::FileTracer (line 42) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1dbe43d87d06c24c2a7e4b50a4c77a30f24cb9fa56ba76288cc63ce23c977783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dbe43d87d06c24c2a7e4b50a4c77a30f24cb9fa56ba76288cc63ce23c977783", kill_on_drop: false }`
[INFO] [stdout] 1dbe43d87d06c24c2a7e4b50a4c77a30f24cb9fa56ba76288cc63ce23c977783