[INFO] fetching crate http-zipkin 0.3.0...
[INFO] testing http-zipkin-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate http-zipkin 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate http-zipkin 0.3.0 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 http-zipkin 0.3.0
[INFO] finished tweaking crates.io crate http-zipkin 0.3.0
[INFO] tweaked toml for crates.io crate http-zipkin 0.3.0 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a9b5b4b000201d0699081695b3345bd95b6dee4951b9fb2c6078a69e0b2f97d1
[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" "a9b5b4b000201d0699081695b3345bd95b6dee4951b9fb2c6078a69e0b2f97d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9b5b4b000201d0699081695b3345bd95b6dee4951b9fb2c6078a69e0b2f97d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b5b4b000201d0699081695b3345bd95b6dee4951b9fb2c6078a69e0b2f97d1", kill_on_drop: false }`
[INFO] [stdout] a9b5b4b000201d0699081695b3345bd95b6dee4951b9fb2c6078a69e0b2f97d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f4fce5ed255666f0a10fc4b083ceaadd635b97d2b3d25901d19a909386878214
[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" "f4fce5ed255666f0a10fc4b083ceaadd635b97d2b3d25901d19a909386878214", kill_on_drop: false }`
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling zipkin-types v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling zipkin v0.4.1
[INFO] [stderr]    Compiling http-zipkin v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `Command { std: "docker" "inspect" "f4fce5ed255666f0a10fc4b083ceaadd635b97d2b3d25901d19a909386878214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fce5ed255666f0a10fc4b083ceaadd635b97d2b3d25901d19a909386878214", kill_on_drop: false }`
[INFO] [stdout] f4fce5ed255666f0a10fc4b083ceaadd635b97d2b3d25901d19a909386878214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 0bac900384698caf404d1cdfa8eea07f5d84019f8accde95843291f6b86c0244
[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" "0bac900384698caf404d1cdfa8eea07f5d84019f8accde95843291f6b86c0244", kill_on_drop: false }`
[INFO] [stderr]    Compiling http-zipkin v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "0bac900384698caf404d1cdfa8eea07f5d84019f8accde95843291f6b86c0244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bac900384698caf404d1cdfa8eea07f5d84019f8accde95843291f6b86c0244", kill_on_drop: false }`
[INFO] [stdout] 0bac900384698caf404d1cdfa8eea07f5d84019f8accde95843291f6b86c0244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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", kill_on_drop: false }`
[INFO] [stdout] fba71527d516dcbd25b127150ed462a51cfacf59c4f3febb6e9815d754b819c7
[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" "fba71527d516dcbd25b127150ed462a51cfacf59c4f3febb6e9815d754b819c7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/http_zipkin-41741b348af1f6a1
[INFO] [stdout] test test::flags_empty ... ok
[INFO] [stdout] test test::flags_empty_single ... ok
[INFO] [stdout] test test::flags_debug ... ok
[INFO] [stdout] test test::flags_sampled_single ... ok
[INFO] [stdout] test test::flags_unsampled ... ok
[INFO] [stdout] test test::flags_unsampled_single ... ok
[INFO] [stdout] test test::trace_context_parentless_single ... ok
[INFO] [stdout] test test::trace_context_unsampled_single ... ok
[INFO] [stdout] test test::flags_sampled ... ok
[INFO] [stdout] test test::trace_context ... ok
[INFO] [stdout] test test::flags_debug_single ... ok
[INFO] [stdout] test test::trace_context_minimal_single ... ok
[INFO] [stdout] test test::trace_context_single ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests http-zipkin
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fba71527d516dcbd25b127150ed462a51cfacf59c4f3febb6e9815d754b819c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba71527d516dcbd25b127150ed462a51cfacf59c4f3febb6e9815d754b819c7", kill_on_drop: false }`
[INFO] [stdout] fba71527d516dcbd25b127150ed462a51cfacf59c4f3febb6e9815d754b819c7