[INFO] fetching crate opentracingrust_zipkin 0.3.1...
[INFO] testing opentracingrust_zipkin-0.3.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate opentracingrust_zipkin 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate opentracingrust_zipkin 0.3.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate opentracingrust_zipkin 0.3.1
[INFO] finished tweaking crates.io crate opentracingrust_zipkin 0.3.1
[INFO] tweaked toml for crates.io crate opentracingrust_zipkin 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate opentracingrust_zipkin 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1e11c9c882e801a6d3dade736fd9067df2cd49e6c05520d974459248afa75302
[INFO] running `"docker" "start" "-a" "1e11c9c882e801a6d3dade736fd9067df2cd49e6c05520d974459248afa75302"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling integer-encoding v1.1.5
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]    Compiling opentracingrust v0.4.0
[INFO] [stderr]    Compiling tokio v0.2.20
[INFO] [stderr]    Compiling thrift v0.13.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.4
[INFO] [stderr]    Compiling hyper v0.13.5
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling reqwest v0.10.4
[INFO] [stderr]    Compiling opentracingrust_zipkin v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.44s
[INFO] running `"docker" "inspect" "1e11c9c882e801a6d3dade736fd9067df2cd49e6c05520d974459248afa75302"`
[INFO] running `"docker" "rm" "-f" "1e11c9c882e801a6d3dade736fd9067df2cd49e6c05520d974459248afa75302"`
[INFO] [stdout] 1e11c9c882e801a6d3dade736fd9067df2cd49e6c05520d974459248afa75302
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fab8ffc30206272426fd38a3ae8c8c910b6d37390d0c18988436550fbb32389d
[INFO] running `"docker" "start" "-a" "fab8ffc30206272426fd38a3ae8c8c910b6d37390d0c18988436550fbb32389d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling opentracingrust_zipkin v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.62s
[INFO] running `"docker" "inspect" "fab8ffc30206272426fd38a3ae8c8c910b6d37390d0c18988436550fbb32389d"`
[INFO] running `"docker" "rm" "-f" "fab8ffc30206272426fd38a3ae8c8c910b6d37390d0c18988436550fbb32389d"`
[INFO] [stdout] fab8ffc30206272426fd38a3ae8c8c910b6d37390d0c18988436550fbb32389d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d61c26c3a2cd0f443eaa4626d9bcb30e1d0a61d041e9d20bf11bb12737dc99c
[INFO] running `"docker" "start" "-a" "5d61c26c3a2cd0f443eaa4626d9bcb30e1d0a61d041e9d20bf11bb12737dc99c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/opentracingrust_zipkin-7457004960286fec
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test tracer::context::tests::references::child_of_updates_details ... ok
[INFO] [stdout] test tracer::context::tests::new_span_with_defaults ... ok
[INFO] [stdout] test tracer::trace_id::tests::from_bytes::long_id ... ok
[INFO] [stdout] test tracer::inject::tests::test_headers_encoding ... ok
[INFO] [stdout] test tracer::inject::tests::test_binary_encoding ... ok
[INFO] [stdout] test tracer::trace_id::tests::from_string::short_id ... ok
[INFO] [stdout] test collectors::tests::serialise_meta ... ok
[INFO] [stdout] test tracer::trace_id::tests::from_string::long_id ... ok
[INFO] [stdout] test tracer::extract::tests::test_binary_decoding ... ok
[INFO] [stdout] test collectors::tests::serialise_times ... ok
[INFO] [stdout] test tracer::context::tests::references::follows_from_updates_details ... ok
[INFO] [stdout] test tracer::context::tests::new_span_with_options ... ok
[INFO] [stdout] test tracer::trace_id::tests::from_string::too_long ... ok
[INFO] [stdout] test tracer::extract::tests::test_http_headers_decoding ... ok
[INFO] [stdout] test tracer::trace_id::tests::from_bytes::short_id ... ok
[INFO] [stdout] test collectors::tests::serialise_ids ... ok
[INFO] [stdout] test tracer::trace_id::tests::from_string::too_short ... ok
[INFO] [stdout] test tracer::trace_id::tests::split_into_u64s::high_is_zero_when_low_is_enough ... ok
[INFO] [stdout] test tracer::trace_id::tests::to_string::long_id ... ok
[INFO] [stdout] test tracer::trace_id::tests::to_string::short_id ... ok
[INFO] [stdout] test tracer::trace_id::tests::split_into_u64s::high_and_low ... ok
[INFO] [stdout] test tracer::trace_id::tests::split_into_u64s::high_and_low_for_short ... ok
[INFO] [stdout] test tracer::trace_id::tests::join_for_u64s::high_and_low ... ok
[INFO] [stdout] test tracer::trace_id::tests::join_for_u64s::high_is_zero_when_low_is_enough ... ok
[INFO] [stdout] test tracer::trace_id::tests::generate_long_id ... ok
[INFO] [stdout] test tracer::trace_id::tests::id_si_random ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests opentracingrust_zipkin
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 20) ... ignored
[INFO] [stdout] test src/tracer/trace_id.rs - tracer::trace_id::buffer_to_u64 (line 16) ... ignored
[INFO] [stdout] test src/tracer/trace_id.rs - tracer::trace_id::u64_to_buffer (line 32) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5d61c26c3a2cd0f443eaa4626d9bcb30e1d0a61d041e9d20bf11bb12737dc99c"`
[INFO] running `"docker" "rm" "-f" "5d61c26c3a2cd0f443eaa4626d9bcb30e1d0a61d041e9d20bf11bb12737dc99c"`
[INFO] [stdout] 5d61c26c3a2cd0f443eaa4626d9bcb30e1d0a61d041e9d20bf11bb12737dc99c