[INFO] fetching crate tower-opentelemetry 0.2.0...
[INFO] testing tower-opentelemetry-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tower-opentelemetry 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tower-opentelemetry 0.2.0
[INFO] finished tweaking crates.io crate tower-opentelemetry 0.2.0
[INFO] tweaked toml for crates.io crate tower-opentelemetry 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-opentelemetry 0.2.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--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]      Locking 60 packages to latest compatible versions
[INFO] [stderr]       Adding http v0.2.12 (available: v1.3.1)
[INFO] [stderr]       Adding opentelemetry v0.17.0 (available: v0.31.0)
[INFO] [stderr]       Adding opentelemetry-semantic-conventions v0.9.0 (available: v0.31.0)
[INFO] [stderr]       Adding sysinfo v0.23.13 (available: v0.37.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cb62500e3ddd697c63bed29a91b84bc3547fd373c4b944af6111706fcc78d24
[INFO] running `Command { std: "docker" "start" "-a" "3cb62500e3ddd697c63bed29a91b84bc3547fd373c4b944af6111706fcc78d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cb62500e3ddd697c63bed29a91b84bc3547fd373c4b944af6111706fcc78d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb62500e3ddd697c63bed29a91b84bc3547fd373c4b944af6111706fcc78d24", kill_on_drop: false }`
[INFO] [stdout] 3cb62500e3ddd697c63bed29a91b84bc3547fd373c4b944af6111706fcc78d24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ae798158be06405006b13c68853767ca9580925adb6db05aefe446ba39a3bbd
[INFO] running `Command { std: "docker" "start" "-a" "4ae798158be06405006b13c68853767ca9580925adb6db05aefe446ba39a3bbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling sysinfo v0.23.13
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling opentelemetry v0.17.0
[INFO] [stderr]    Compiling opentelemetry-semantic-conventions v0.9.0
[INFO] [stderr]    Compiling tower-opentelemetry v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.00s
[INFO] running `Command { std: "docker" "inspect" "4ae798158be06405006b13c68853767ca9580925adb6db05aefe446ba39a3bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae798158be06405006b13c68853767ca9580925adb6db05aefe446ba39a3bbd", kill_on_drop: false }`
[INFO] [stdout] 4ae798158be06405006b13c68853767ca9580925adb6db05aefe446ba39a3bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6a2cbb4d34ba8fbeee53e06d12087469e8aaf010abf038b1f47e628d1e0f37a
[INFO] running `Command { std: "docker" "start" "-a" "b6a2cbb4d34ba8fbeee53e06d12087469e8aaf010abf038b1f47e628d1e0f37a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-opentelemetry v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "b6a2cbb4d34ba8fbeee53e06d12087469e8aaf010abf038b1f47e628d1e0f37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a2cbb4d34ba8fbeee53e06d12087469e8aaf010abf038b1f47e628d1e0f37a", kill_on_drop: false }`
[INFO] [stdout] b6a2cbb4d34ba8fbeee53e06d12087469e8aaf010abf038b1f47e628d1e0f37a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c46cc837c6ce4a90182c9a4d4a964c481ac1a63cfb73b1a7d5fdabe884cc18a
[INFO] running `Command { std: "docker" "start" "-a" "0c46cc837c6ce4a90182c9a4d4a964c481ac1a63cfb73b1a7d5fdabe884cc18a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tower_opentelemetry-7ecad1cbb77377c2)
[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 tower_opentelemetry
[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" "0c46cc837c6ce4a90182c9a4d4a964c481ac1a63cfb73b1a7d5fdabe884cc18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c46cc837c6ce4a90182c9a4d4a964c481ac1a63cfb73b1a7d5fdabe884cc18a", kill_on_drop: false }`
[INFO] [stdout] 0c46cc837c6ce4a90182c9a4d4a964c481ac1a63cfb73b1a7d5fdabe884cc18a