[INFO] fetching crate rustracing 0.4.0...
[INFO] testing rustracing-0.4.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate rustracing 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rustracing 0.4.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustracing 0.4.0
[INFO] finished tweaking crates.io crate rustracing 0.4.0
[INFO] tweaked toml for crates.io crate rustracing 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c4fde481196b2408d8f8a381b1aef005598f185c2b6999202998b65e8d75cc9
[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" "5c4fde481196b2408d8f8a381b1aef005598f185c2b6999202998b65e8d75cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c4fde481196b2408d8f8a381b1aef005598f185c2b6999202998b65e8d75cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4fde481196b2408d8f8a381b1aef005598f185c2b6999202998b65e8d75cc9", kill_on_drop: false }`
[INFO] [stdout] 5c4fde481196b2408d8f8a381b1aef005598f185c2b6999202998b65e8d75cc9
[INFO] running `Command { std: "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" "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" "+1.47.0" "build" "--frozen" "--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] 2cb92d47d083d3fbe3d5bed797a06ce28d7f567993be0a1a01fc4f00a86c7966
[INFO] running `Command { std: "docker" "start" "-a" "2cb92d47d083d3fbe3d5bed797a06ce28d7f567993be0a1a01fc4f00a86c7966", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling backtrace v0.3.53
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling trackable v0.2.23
[INFO] [stderr]    Compiling rustracing v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.21s
[INFO] running `Command { std: "docker" "inspect" "2cb92d47d083d3fbe3d5bed797a06ce28d7f567993be0a1a01fc4f00a86c7966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb92d47d083d3fbe3d5bed797a06ce28d7f567993be0a1a01fc4f00a86c7966", kill_on_drop: false }`
[INFO] [stdout] 2cb92d47d083d3fbe3d5bed797a06ce28d7f567993be0a1a01fc4f00a86c7966
[INFO] running `Command { std: "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" "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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 884284c77315a7392e1a09b7c90883790c91a9d1f703c21bcd31a7c239c8f62d
[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" "884284c77315a7392e1a09b7c90883790c91a9d1f703c21bcd31a7c239c8f62d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustracing v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "884284c77315a7392e1a09b7c90883790c91a9d1f703c21bcd31a7c239c8f62d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "884284c77315a7392e1a09b7c90883790c91a9d1f703c21bcd31a7c239c8f62d", kill_on_drop: false }`
[INFO] [stdout] 884284c77315a7392e1a09b7c90883790c91a9d1f703c21bcd31a7c239c8f62d
[INFO] running `Command { std: "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" "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" "+1.47.0" "test" "--frozen", 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] d1ce08683dcb9d4e2f57066d2d8490d03134b50d98fbed56c7c4ec98d4f13104
[INFO] running `Command { std: "docker" "start" "-a" "d1ce08683dcb9d4e2f57066d2d8490d03134b50d98fbed56c7c4ec98d4f13104", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustracing-e061481a9193c0eb
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test convert::tests::it_works ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::nonblocking_on_full_queue ... ok
[INFO] [stderr]    Doc-tests rustracing
[INFO] [stdout] test tests::example_code_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/tag.rs - tag::Tag::new (line 14) ... ok
[INFO] [stdout] test src/span.rs - span::Span<T>::inactive (line 30) ... ok
[INFO] [stdout] test src/tracer.rs - tracer::Tracer (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1ce08683dcb9d4e2f57066d2d8490d03134b50d98fbed56c7c4ec98d4f13104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ce08683dcb9d4e2f57066d2d8490d03134b50d98fbed56c7c4ec98d4f13104", kill_on_drop: false }`
[INFO] [stdout] d1ce08683dcb9d4e2f57066d2d8490d03134b50d98fbed56c7c4ec98d4f13104
