[INFO] fetching crate rust_observer 0.2.2...
[INFO] testing rust_observer-0.2.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rust_observer 0.2.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rust_observer 0.2.2
[INFO] finished tweaking crates.io crate rust_observer 0.2.2
[INFO] tweaked toml for crates.io crate rust_observer 0.2.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_observer 0.2.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 191 packages to latest compatible versions
[INFO] [stderr]       Adding sysinfo v0.31.4 (available: v0.38.4)
[INFO] [stderr]       Adding toml v0.8.23 (available: v1.1.2+spec-1.1.0)
[INFO] [stderr]       Adding tonic v0.12.3 (available: v0.14.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fc6d1599eba48419043a105d8f285f805f743ed0868502ca314d3484f4ff2db
[INFO] running `Command { std: "docker" "start" "-a" "6fc6d1599eba48419043a105d8f285f805f743ed0868502ca314d3484f4ff2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fc6d1599eba48419043a105d8f285f805f743ed0868502ca314d3484f4ff2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc6d1599eba48419043a105d8f285f805f743ed0868502ca314d3484f4ff2db", kill_on_drop: false }`
[INFO] [stdout] 6fc6d1599eba48419043a105d8f285f805f743ed0868502ca314d3484f4ff2db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d91b9c3aab7184176248bdc8af588f0aba485aa48a30a0573fb0d61d6efb06e2
[INFO] running `Command { std: "docker" "start" "-a" "d91b9c3aab7184176248bdc8af588f0aba485aa48a30a0573fb0d61d6efb06e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling winnow v1.0.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling toml_edit v0.25.11+spec-1.1.0
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling sysinfo v0.31.4
[INFO] [stderr]    Compiling axum-core v0.4.5
[INFO] [stderr]    Compiling pin-project v1.1.11
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling prost-types v0.13.5
[INFO] [stderr]    Compiling prost-build v0.13.5
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling axum v0.7.9
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling tonic-build v0.12.3
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling rust_observer_protobuf v0.1.2
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling rust_observer_trace_macro v0.1.1
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling rust_observer_log_macro v0.1.5
[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling hyper v1.9.0
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling hyper-timeout v0.5.2
[INFO] [stderr]    Compiling tonic v0.12.3
[INFO] [stderr]    Compiling rust_observer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "d91b9c3aab7184176248bdc8af588f0aba485aa48a30a0573fb0d61d6efb06e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91b9c3aab7184176248bdc8af588f0aba485aa48a30a0573fb0d61d6efb06e2", kill_on_drop: false }`
[INFO] [stdout] d91b9c3aab7184176248bdc8af588f0aba485aa48a30a0573fb0d61d6efb06e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76c6b98bb40f86f2c6dc9ae7014f5a6157dd469e7727795028216dd70088994a
[INFO] running `Command { std: "docker" "start" "-a" "76c6b98bb40f86f2c6dc9ae7014f5a6157dd469e7727795028216dd70088994a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_observer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "76c6b98bb40f86f2c6dc9ae7014f5a6157dd469e7727795028216dd70088994a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c6b98bb40f86f2c6dc9ae7014f5a6157dd469e7727795028216dd70088994a", kill_on_drop: false }`
[INFO] [stdout] 76c6b98bb40f86f2c6dc9ae7014f5a6157dd469e7727795028216dd70088994a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 639e764832088a77fa99710e6c9604769d8642de38ce4923908a6e4dd33d487c
[INFO] running `Command { std: "docker" "start" "-a" "639e764832088a77fa99710e6c9604769d8642de38ce4923908a6e4dd33d487c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_observer-28e64f5b466fd0be)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_config_parsing ... ok
[INFO] [stdout] test tests::test_metrics_creation ... ok
[INFO] [stdout] test tests::test_log_message_creation ... ok
[INFO] [stdout] test tests::test_trace_context_creation ... ok
[INFO] [stdout] test tests::test_trace_context_signal_error ... ok
[INFO] [stdout] test tests::test_trace_context_end_span ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_observer
[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" "639e764832088a77fa99710e6c9604769d8642de38ce4923908a6e4dd33d487c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639e764832088a77fa99710e6c9604769d8642de38ce4923908a6e4dd33d487c", kill_on_drop: false }`
[INFO] [stdout] 639e764832088a77fa99710e6c9604769d8642de38ce4923908a6e4dd33d487c