[INFO] fetching crate http-zipkin 0.3.0...
[INFO] testing http-zipkin-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate http-zipkin 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate http-zipkin 0.3.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded data-encoding v2.3.1
[INFO] [stderr]   Downloaded zipkin-types v0.1.0
[INFO] [stderr]   Downloaded zipkin v0.4.1
[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" "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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a22f93243cbc3088a3bddd8c838b7ab0dbc2c942f812b9abc95e2202f3c99617
[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" "a22f93243cbc3088a3bddd8c838b7ab0dbc2c942f812b9abc95e2202f3c99617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a22f93243cbc3088a3bddd8c838b7ab0dbc2c942f812b9abc95e2202f3c99617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22f93243cbc3088a3bddd8c838b7ab0dbc2c942f812b9abc95e2202f3c99617", kill_on_drop: false }`
[INFO] [stdout] a22f93243cbc3088a3bddd8c838b7ab0dbc2c942f812b9abc95e2202f3c99617
[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" "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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bf060a8ea1e8ba1e87824da0df845a52b6985fee9f0fb6f176386011ffb6ba8
[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" "0bf060a8ea1e8ba1e87824da0df845a52b6985fee9f0fb6f176386011ffb6ba8", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling zipkin-types v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[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 zipkin v0.4.1
[INFO] [stderr]    Compiling http-zipkin v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `Command { std: "docker" "inspect" "0bf060a8ea1e8ba1e87824da0df845a52b6985fee9f0fb6f176386011ffb6ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf060a8ea1e8ba1e87824da0df845a52b6985fee9f0fb6f176386011ffb6ba8", kill_on_drop: false }`
[INFO] [stdout] 0bf060a8ea1e8ba1e87824da0df845a52b6985fee9f0fb6f176386011ffb6ba8
[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" "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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 661bb464af3ee04513208e8f599c32f2b26cb89df5d446b9de4a0445e02ac188
[INFO] running `Command { std: "docker" "start" "-a" "661bb464af3ee04513208e8f599c32f2b26cb89df5d446b9de4a0445e02ac188", kill_on_drop: false }`
[INFO] [stderr]    Compiling http-zipkin v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "661bb464af3ee04513208e8f599c32f2b26cb89df5d446b9de4a0445e02ac188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "661bb464af3ee04513208e8f599c32f2b26cb89df5d446b9de4a0445e02ac188", kill_on_drop: false }`
[INFO] [stdout] 661bb464af3ee04513208e8f599c32f2b26cb89df5d446b9de4a0445e02ac188
[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" "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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b6d316b22750759d921bab4cbbeadc2dbd4fb57ee8d1cb790623199b183c9f24
[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" "b6d316b22750759d921bab4cbbeadc2dbd4fb57ee8d1cb790623199b183c9f24", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/http_zipkin-80f239e9cecd5d22
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test::flags_empty ... ok
[INFO] [stdout] test test::flags_unsampled ... ok
[INFO] [stdout] test test::trace_context ... ok
[INFO] [stdout] test test::flags_debug ... ok
[INFO] [stdout] test test::flags_empty_single ... ok
[INFO] [stdout] test test::flags_sampled ... ok
[INFO] [stdout] test test::trace_context_minimal_single ... ok
[INFO] [stdout] test test::flags_debug_single ... ok
[INFO] [stdout] test test::trace_context_parentless_single ... ok
[INFO] [stdout] test test::trace_context_single ... ok
[INFO] [stdout] test test::trace_context_unsampled_single ... ok
[INFO] [stdout] test test::flags_sampled_single ... ok
[INFO] [stdout] test test::flags_unsampled_single ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b6d316b22750759d921bab4cbbeadc2dbd4fb57ee8d1cb790623199b183c9f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d316b22750759d921bab4cbbeadc2dbd4fb57ee8d1cb790623199b183c9f24", kill_on_drop: false }`
[INFO] [stdout] b6d316b22750759d921bab4cbbeadc2dbd4fb57ee8d1cb790623199b183c9f24