[INFO] crate opentracingrust 0.4.0 is already in cache
[INFO] testing opentracingrust-0.4.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate opentracingrust 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate opentracingrust 0.4.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef79862d36c6fb1776b6889d382765467e4f6b7ca2857438440e6cec7cf9141b
[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" "ef79862d36c6fb1776b6889d382765467e4f6b7ca2857438440e6cec7cf9141b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef79862d36c6fb1776b6889d382765467e4f6b7ca2857438440e6cec7cf9141b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef79862d36c6fb1776b6889d382765467e4f6b7ca2857438440e6cec7cf9141b", kill_on_drop: false }`
[INFO] [stdout] ef79862d36c6fb1776b6889d382765467e4f6b7ca2857438440e6cec7cf9141b
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6bc4708709bec9b5fbe0c38081b6b8b819b082d0139afc340fae1430355295e
[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" "a6bc4708709bec9b5fbe0c38081b6b8b819b082d0139afc340fae1430355295e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling opentracingrust v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.64s
[INFO] running `Command { std: "docker" "inspect" "a6bc4708709bec9b5fbe0c38081b6b8b819b082d0139afc340fae1430355295e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6bc4708709bec9b5fbe0c38081b6b8b819b082d0139afc340fae1430355295e", kill_on_drop: false }`
[INFO] [stdout] a6bc4708709bec9b5fbe0c38081b6b8b819b082d0139afc340fae1430355295e
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96a4ae3055afb88679342f4dbfb9dca4beb51d12515874d47f6315c642c87232
[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" "96a4ae3055afb88679342f4dbfb9dca4beb51d12515874d47f6315c642c87232", kill_on_drop: false }`
[INFO] [stderr]    Compiling opentracingrust v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.72s
[INFO] running `Command { std: "docker" "inspect" "96a4ae3055afb88679342f4dbfb9dca4beb51d12515874d47f6315c642c87232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a4ae3055afb88679342f4dbfb9dca4beb51d12515874d47f6315c642c87232", kill_on_drop: false }`
[INFO] [stdout] 96a4ae3055afb88679342f4dbfb9dca4beb51d12515874d47f6315c642c87232
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a58bf1781a952b2e35c748a610e6cc8363469327a074eea3826c94a2e97a99fc
[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" "a58bf1781a952b2e35c748a610e6cc8363469327a074eea3826c94a2e97a99fc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/opentracingrust-7f1e05c959045956
[INFO] [stdout] 
[INFO] [stdout] running 67 tests
[INFO] [stdout] test carrier::tests::hash_map::extract_keys ... ok
[INFO] [stdout] test carrier::tests::hash_map::find_keys ... ok
[INFO] [stdout] test span::log::tests::defults_to_no_time ... ok
[INFO] [stdout] test span::log::tests::set_default_timestamp ... ok
[INFO] [stdout] test span::log::tests::set_log_timestamp ... ok
[INFO] [stdout] test span::tests::autofinish_deref ... ok
[INFO] [stdout] test span::tag::tests::set_tag ... ok
[INFO] [stdout] test span::tests::autoclose_finish_span_on_drop ... ok
[INFO] [stdout] test span::tests::autofinish_as_mut ... ok
[INFO] [stdout] test span::tests::span_child_of_another ... ok
[INFO] [stdout] test span::tests::set_span_name ... ok
[INFO] [stdout] test span::tests::references::multi_refs ... ok
[INFO] [stdout] test span::tests::span_follows_another ... ok
[INFO] [stdout] test span::tag::tests::iterate_over_tags ... ok
[INFO] [stdout] test span::tag::tests::get_missing_tag ... ok
[INFO] [stdout] test span::tests::send_span_on_finish ... ok
[INFO] [stdout] test span::tests::references::child_of ... ok
[INFO] [stdout] test span::tests::references::follows ... ok
[INFO] [stdout] test carrier::tests::tree_map::extract_keys ... 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::tests::tags::add_generic_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 span::tests::tags::add_integer_tag ... ok
[INFO] [stdout] test span_context::impl_context::tests::unwrap_context ... ok
[INFO] [stdout] test span::tests::tags::add_str_tag ... ok
[INFO] [stdout] test span::tests::times::starts_now_by_default ... ok
[INFO] [stdout] test span_context::tests::clone_span_context ... ok
[INFO] [stdout] test span_context::tests::extract_implementation_context ... ok
[INFO] [stdout] test tracer::tests::extract_binary ... ok
[INFO] [stdout] test tracer::tests::extract_http_headers ... ok
[INFO] [stdout] test span_context::tests::debug_formatting ... ok
[INFO] [stdout] test tracer::tests::extract_textmap ... ok
[INFO] [stdout] test tracer::tests::inject_http_headers ... ok
[INFO] [stdout] test tracer::tests::inject_binary ... ok
[INFO] [stdout] test tracer::tests::inject_textmap ... ok
[INFO] [stdout] test tracers::file::tests::span::create ... ok
[INFO] [stdout] test span::log::tests::add_field ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::invalid::returns_none_without_span_id ... ok
[INFO] [stdout] test carrier::tests::tree_map::find_keys ... ok
[INFO] [stdout] test carrier::tests::tree_map::inject_keys ... ok
[INFO] [stdout] test tracers::file::tests::span::inject::text_map ... ok
[INFO] [stdout] test span_context::tests::set_baggage_item ... ok
[INFO] [stdout] test tracer::tests::create_span ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::http_headers ... ok
[INFO] [stdout] test span::tests::start_span_on_creation ... ok
[INFO] [stdout] test span::tests::tags::add_bool_tag ... ok
[INFO] [stdout] test tracers::file::tests::span::inject::http_headers ... ok
[INFO] [stdout] test carrier::tests::hash_map::inject_keys ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::invalid::fails_if_invalid_span_id ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::invalid::fails_if_invalid_trace_id ... ok
[INFO] [stdout] test span::tests::times::finish_span_at_finish_time ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::invalid::returns_none_without_trace_id ... ok
[INFO] [stdout] test tracers::noop::tests::inner_context::follows_updates_trace_id ... ok
[INFO] [stdout] test utils::fail::tests::fail_spans ... ok
[INFO] [stdout] test tracers::file::tests::span::write ... ok
[INFO] [stdout] test tracers::noop::tests::inner_context::child_of_updates_trace_id ... ok
[INFO] [stdout] test span::tests::tags::add_float_tag ... ok
[INFO] [stdout] test utils::global_tracer::tests::tracer_is_returned ... ok
[INFO] [stdout] test utils::global_tracer::tests::tracer_is_returned_to_many_threads ... ok
[INFO] [stdout] test utils::reporter::tests::receive_span ... ok
[INFO] [stdout] test tracers::file::tests::span::inject::binary_not_supported ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::binary_not_supported ... ok
[INFO] [stdout] test tracers::noop::tests::inner_context::panics_if_invalid_context ... ok
[INFO] [stdout] test utils::global_tracer::tests::tracer_cannot_be_set_twice ... ok
[INFO] [stdout] test utils::global_tracer::tests::tracer_must_be_set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 67 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests opentracingrust
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/span/mod.rs - span::Span::tag (line 300) ... 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/span/mod.rs - span::StartOptions (line 350) ... ok
[INFO] [stdout] test src/span/log.rs - span::log::Log (line 17) ... ok
[INFO] [stdout] test src/utils/fail.rs - utils::fail::FailSpan (line 13) ... ok
[INFO] [stdout] test src/carrier.rs - carrier::InjectFormat (line 43) ... ok
[INFO] [stdout] test src/tracers/noop.rs - tracers::noop::NoopTracer (line 35) ... ok
[INFO] [stdout] test src/carrier.rs - carrier::ExtractFormat (line 13) ... ok
[INFO] [stdout] test src/span_context/impl_context.rs - span_context::impl_context::ImplContext (line 27) ... ok
[INFO] [stdout] test src/span_context/mod.rs - span_context::SpanContext (line 39) ... ok
[INFO] [stdout] test src/lib.rs -  (line 68) ... ok
[INFO] [stdout] test src/lib.rs -  (line 102) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a58bf1781a952b2e35c748a610e6cc8363469327a074eea3826c94a2e97a99fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a58bf1781a952b2e35c748a610e6cc8363469327a074eea3826c94a2e97a99fc", kill_on_drop: false }`
[INFO] [stdout] a58bf1781a952b2e35c748a610e6cc8363469327a074eea3826c94a2e97a99fc