[INFO] fetching crate rust_observer 0.2.2...
[INFO] testing rust_observer-0.2.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate rust_observer 0.2.2 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_observer 0.2.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 186 packages to latest compatible versions
[INFO] [stderr]       Adding sysinfo v0.31.4 (available: v0.37.1)
[INFO] [stderr]       Adding toml v0.8.23 (available: v0.9.7)
[INFO] [stderr]       Adding tonic v0.12.3 (available: v0.14.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c3652af5cbc3a89f87660f2c7d0b82c832293a0d7869f2c3b5ac6827d671f70
[INFO] running `Command { std: "docker" "start" "-a" "7c3652af5cbc3a89f87660f2c7d0b82c832293a0d7869f2c3b5ac6827d671f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c3652af5cbc3a89f87660f2c7d0b82c832293a0d7869f2c3b5ac6827d671f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3652af5cbc3a89f87660f2c7d0b82c832293a0d7869f2c3b5ac6827d671f70", kill_on_drop: false }`
[INFO] [stdout] 7c3652af5cbc3a89f87660f2c7d0b82c832293a0d7869f2c3b5ac6827d671f70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b151c7725e61c45b89a8e95a3e83594d3cfc84856e610ba392d125a4e7030728
[INFO] running `Command { std: "docker" "start" "-a" "b151c7725e61c45b89a8e95a3e83594d3cfc84856e610ba392d125a4e7030728", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling bitflags v2.9.4
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[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling fastrand v2.3.0
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[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling toml_edit v0.23.6
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling sysinfo v0.31.4
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling axum-core v0.4.5
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling prost-types v0.13.5
[INFO] [stderr]    Compiling prost-build v0.13.5
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling axum v0.7.9
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling tonic-build v0.12.3
[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 v0.7.16
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling rust_observer_log_macro v0.1.5
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling hyper-util v0.1.17
[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 51.84s
[INFO] running `Command { std: "docker" "inspect" "b151c7725e61c45b89a8e95a3e83594d3cfc84856e610ba392d125a4e7030728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b151c7725e61c45b89a8e95a3e83594d3cfc84856e610ba392d125a4e7030728", kill_on_drop: false }`
[INFO] [stdout] b151c7725e61c45b89a8e95a3e83594d3cfc84856e610ba392d125a4e7030728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9d9977a89fc0d1ee26410421381ead4110a6008f0d48dbe27a1d2ee52ce07b5
[INFO] running `Command { std: "docker" "start" "-a" "d9d9977a89fc0d1ee26410421381ead4110a6008f0d48dbe27a1d2ee52ce07b5", 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 2.01s
[INFO] running `Command { std: "docker" "inspect" "d9d9977a89fc0d1ee26410421381ead4110a6008f0d48dbe27a1d2ee52ce07b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d9977a89fc0d1ee26410421381ead4110a6008f0d48dbe27a1d2ee52ce07b5", kill_on_drop: false }`
[INFO] [stdout] d9d9977a89fc0d1ee26410421381ead4110a6008f0d48dbe27a1d2ee52ce07b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9750a36503bc845fb6238ee3c963e085693d6d679b61dee7dfc23ba12d9d1aa
[INFO] running `Command { std: "docker" "start" "-a" "e9750a36503bc845fb6238ee3c963e085693d6d679b61dee7dfc23ba12d9d1aa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_observer-6c3b0672a90729fb)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_config_parsing ... ok
[INFO] [stdout] test tests::test_trace_context_creation ... ok
[INFO] [stdout] test tests::test_metrics_creation ... ok
[INFO] [stdout] test tests::test_trace_context_end_span ... ok
[INFO] [stdout] test tests::test_log_message_creation ... ok
[INFO] [stdout] test tests::test_trace_context_signal_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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" "e9750a36503bc845fb6238ee3c963e085693d6d679b61dee7dfc23ba12d9d1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9750a36503bc845fb6238ee3c963e085693d6d679b61dee7dfc23ba12d9d1aa", kill_on_drop: false }`
[INFO] [stdout] e9750a36503bc845fb6238ee3c963e085693d6d679b61dee7dfc23ba12d9d1aa