[INFO] fetching crate opentracingrust 0.4.0...
[INFO] testing opentracingrust-0.4.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate opentracingrust 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate opentracingrust 0.4.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-3/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" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05ee0c6619c94c6f5b5138be3dc7835bb5924bac4a4188a4634fb8f28fe6ed45
[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" "05ee0c6619c94c6f5b5138be3dc7835bb5924bac4a4188a4634fb8f28fe6ed45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05ee0c6619c94c6f5b5138be3dc7835bb5924bac4a4188a4634fb8f28fe6ed45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ee0c6619c94c6f5b5138be3dc7835bb5924bac4a4188a4634fb8f28fe6ed45", kill_on_drop: false }`
[INFO] [stdout] 05ee0c6619c94c6f5b5138be3dc7835bb5924bac4a4188a4634fb8f28fe6ed45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96354c4207f433a035f06f670a53302d14c4719b6a06428dd1fb671d49520778
[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" "96354c4207f433a035f06f670a53302d14c4719b6a06428dd1fb671d49520778", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[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 9.14s
[INFO] running `Command { std: "docker" "inspect" "96354c4207f433a035f06f670a53302d14c4719b6a06428dd1fb671d49520778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96354c4207f433a035f06f670a53302d14c4719b6a06428dd1fb671d49520778", kill_on_drop: false }`
[INFO] [stdout] 96354c4207f433a035f06f670a53302d14c4719b6a06428dd1fb671d49520778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feb8a804c5739bd1dae3d0de308db6de6829f1a656325ad504f7f44f9bbb1741
[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" "feb8a804c5739bd1dae3d0de308db6de6829f1a656325ad504f7f44f9bbb1741", kill_on_drop: false }`
[INFO] [stderr]    Compiling opentracingrust v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `Command { std: "docker" "inspect" "feb8a804c5739bd1dae3d0de308db6de6829f1a656325ad504f7f44f9bbb1741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb8a804c5739bd1dae3d0de308db6de6829f1a656325ad504f7f44f9bbb1741", kill_on_drop: false }`
[INFO] [stdout] feb8a804c5739bd1dae3d0de308db6de6829f1a656325ad504f7f44f9bbb1741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77f7e824e6880018e9d7f97f02934cb6c5d9644af01ccb046123306e70f5fd39
[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" "77f7e824e6880018e9d7f97f02934cb6c5d9644af01ccb046123306e70f5fd39", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/opentracingrust-ae66c42b8e97947a
[INFO] [stdout] 
[INFO] [stdout] running 67 tests
[INFO] [stdout] test carrier::tests::tree_map::inject_keys ... ok
[INFO] [stdout] test carrier::tests::tree_map::find_keys ... ok
[INFO] [stdout] test carrier::tests::hash_map::inject_keys ... ok
[INFO] [stdout] test span::log::tests::add_field ... 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::tag::tests::iterate_over_tags ... ok
[INFO] [stdout] test span::tests::autofinish_as_mut ... ok
[INFO] [stdout] test span::tests::references::multi_refs ... ok
[INFO] [stdout] test span::tests::set_span_name ... ok
[INFO] [stdout] test span::tests::span_follows_another ... ok
[INFO] [stdout] test span::tests::start_span_on_creation ... ok
[INFO] [stdout] test span::tests::tags::add_bool_tag ... ok
[INFO] [stdout] test span::tests::references::child_of ... ok
[INFO] [stdout] test span::tests::tags::add_float_tag ... ok
[INFO] [stdout] test carrier::tests::hash_map::find_keys ... ok
[INFO] [stdout] test span::log::tests::set_default_timestamp ... ok
[INFO] [stdout] test carrier::tests::hash_map::extract_keys ... ok
[INFO] [stdout] test span::tag::tests::get_missing_tag ... ok
[INFO] [stdout] test span::tests::references::follows ... ok
[INFO] [stdout] test span::tests::tags::add_str_tag ... ok
[INFO] [stdout] test span::log::tests::defults_to_no_time ... ok
[INFO] [stdout] test carrier::tests::tree_map::extract_keys ... ok
[INFO] [stdout] test span::tests::span_child_of_another ... ok
[INFO] [stdout] test span::tests::times::start_time_set ... ok
[INFO] [stdout] test span::tests::times::finish_span_at_finish_time ... ok
[INFO] [stdout] test span_context::tests::extract_implementation_context ... ok
[INFO] [stdout] test span_context::impl_context::tests::unwrap_context ... ok
[INFO] [stdout] test span_context::tests::clone_span_context ... ok
[INFO] [stdout] test span_context::tests::debug_formatting ... ok
[INFO] [stdout] test span::tests::autofinish_deref ... ok
[INFO] [stdout] test span::log::tests::set_log_timestamp ... ok
[INFO] [stdout] test span::tests::times::finish_span_on_finish ... ok
[INFO] [stdout] test tracer::tests::extract_textmap ... ok
[INFO] [stdout] test span_context::impl_context::tests::clone_context ... ok
[INFO] [stdout] test span_context::tests::set_baggage_item ... ok
[INFO] [stdout] test tracer::tests::create_span ... ok
[INFO] [stdout] test tracer::tests::extract_binary ... ok
[INFO] [stdout] test tracer::tests::inject_binary ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::invalid::returns_none_without_span_id ... ok
[INFO] [stdout] test tracer::tests::inject_http_headers ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::invalid::fails_if_invalid_span_id ... ok
[INFO] [stdout] test span::tests::times::starts_now_by_default ... ok
[INFO] [stdout] test span::tests::send_span_on_finish ... 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::write ... ok
[INFO] [stdout] test tracers::noop::tests::inner_context::child_of_updates_trace_id ... ok
[INFO] [stdout] test tracers::noop::tests::inner_context::follows_updates_trace_id ... ok
[INFO] [stdout] test tracers::file::tests::span::inject::text_map ... ok
[INFO] [stdout] test utils::fail::tests::fail_spans ... ok
[INFO] [stdout] test tracers::file::tests::span::extract::invalid::returns_none_without_trace_id ... ok
[INFO] [stdout] test tracer::tests::inject_textmap ... ok
[INFO] [stdout] test tracers::file::tests::span::create ... ok
[INFO] [stdout] test utils::global_tracer::tests::tracer_is_returned ... ok
[INFO] [stdout] test span::tests::tags::add_integer_tag ... ok
[INFO] [stdout] test tracers::file::tests::span::inject::http_headers ... ok
[INFO] [stdout] test tracer::tests::extract_http_headers ... ok
[INFO] [stdout] test span::tests::tags::add_string_tag ... ok
[INFO] [stdout] test span::tests::tags::add_generic_tag ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/opentracingrust-ae66c42b8e97947a` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "77f7e824e6880018e9d7f97f02934cb6c5d9644af01ccb046123306e70f5fd39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f7e824e6880018e9d7f97f02934cb6c5d9644af01ccb046123306e70f5fd39", kill_on_drop: false }`
[INFO] [stdout] 77f7e824e6880018e9d7f97f02934cb6c5d9644af01ccb046123306e70f5fd39