[INFO] fetching crate rootcause-tracing 0.12.1...
[INFO] testing rootcause-tracing-0.12.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate rootcause-tracing 0.12.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rootcause-tracing 0.12.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rootcause-tracing 0.12.1
[INFO] tweaked toml for crates.io crate rootcause-tracing 0.12.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rootcause-tracing 0.12.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rootcause-tracing 0.12.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded triomphe v0.1.15
[INFO] [stderr]   Downloaded rootcause-internals v0.12.1
[INFO] [stderr]   Downloaded rootcause v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f1eb3011cec48abd401db719b1cb8075f14583066e342fce2c382be85280670
[INFO] running `Command { std: "docker" "start" "-a" "0f1eb3011cec48abd401db719b1cb8075f14583066e342fce2c382be85280670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f1eb3011cec48abd401db719b1cb8075f14583066e342fce2c382be85280670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f1eb3011cec48abd401db719b1cb8075f14583066e342fce2c382be85280670", kill_on_drop: false }`
[INFO] [stdout] 0f1eb3011cec48abd401db719b1cb8075f14583066e342fce2c382be85280670
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5678ed605f5531040d1c04937fb95fcfbeb47411e16fd6139bbd68af9b1f5283
[INFO] running `Command { std: "docker" "start" "-a" "5678ed605f5531040d1c04937fb95fcfbeb47411e16fd6139bbd68af9b1f5283", kill_on_drop: false }`
[INFO] [stderr]    Compiling triomphe v0.1.15
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling rootcause-internals v0.12.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling rootcause v0.12.1
[INFO] [stderr]    Compiling rootcause-tracing v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.64s
[INFO] running `Command { std: "docker" "inspect" "5678ed605f5531040d1c04937fb95fcfbeb47411e16fd6139bbd68af9b1f5283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5678ed605f5531040d1c04937fb95fcfbeb47411e16fd6139bbd68af9b1f5283", kill_on_drop: false }`
[INFO] [stdout] 5678ed605f5531040d1c04937fb95fcfbeb47411e16fd6139bbd68af9b1f5283
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abfdda3850f20b22000b1931c584e94f8496fe07147bd57b4447f73a9a9d2650
[INFO] running `Command { std: "docker" "start" "-a" "abfdda3850f20b22000b1931c584e94f8496fe07147bd57b4447f73a9a9d2650", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling rootcause-tracing v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.87s
[INFO] running `Command { std: "docker" "inspect" "abfdda3850f20b22000b1931c584e94f8496fe07147bd57b4447f73a9a9d2650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abfdda3850f20b22000b1931c584e94f8496fe07147bd57b4447f73a9a9d2650", kill_on_drop: false }`
[INFO] [stdout] abfdda3850f20b22000b1931c584e94f8496fe07147bd57b4447f73a9a9d2650
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd2f3474ecb24f64dbb31efe604427863b5966f3793d2e513fa710f792907fa2
[INFO] running `Command { std: "docker" "start" "-a" "dd2f3474ecb24f64dbb31efe604427863b5966f3793d2e513fa710f792907fa2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rootcause_tracing-376ee2ef486da4c1)
[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] [stderr]    Doc-tests rootcause_tracing
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/lib.rs - SpanCollector::new (line 331) ... ok
[INFO] [stdout] test src/lib.rs - SpanExt (line 404) ... ok
[INFO] [stdout] test src/lib.rs - SpanExt::attach_span (line 420) ... ok
[INFO] [stdout] test src/lib.rs - RootcauseLayer (line 204) ... ok
[INFO] [stdout] test src/lib.rs - SpanCollector (line 270) ... ok
[INFO] [stdout] test src/lib.rs - SpanCollector (line 258) ... ok
[INFO] [stdout] test src/lib.rs - SpanExt (line 392) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.74s; merged doctests compilation took 0.71s
[INFO] running `Command { std: "docker" "inspect" "dd2f3474ecb24f64dbb31efe604427863b5966f3793d2e513fa710f792907fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2f3474ecb24f64dbb31efe604427863b5966f3793d2e513fa710f792907fa2", kill_on_drop: false }`
[INFO] [stdout] dd2f3474ecb24f64dbb31efe604427863b5966f3793d2e513fa710f792907fa2