[INFO] fetching crate metrics-exporter-log 0.4.0...
[INFO] testing metrics-exporter-log-0.4.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate metrics-exporter-log 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate metrics-exporter-log 0.4.0
[INFO] finished tweaking crates.io crate metrics-exporter-log 0.4.0
[INFO] tweaked toml for crates.io crate metrics-exporter-log 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrics-exporter-log 0.4.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.47.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99a4f07cba099698adf8e3011d8787314a572e24d0ed21fcc3cd6eaa6b144491
[INFO] running `Command { std: "docker" "start" "-a" "99a4f07cba099698adf8e3011d8787314a572e24d0ed21fcc3cd6eaa6b144491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99a4f07cba099698adf8e3011d8787314a572e24d0ed21fcc3cd6eaa6b144491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a4f07cba099698adf8e3011d8787314a572e24d0ed21fcc3cd6eaa6b144491", kill_on_drop: false }`
[INFO] [stdout] 99a4f07cba099698adf8e3011d8787314a572e24d0ed21fcc3cd6eaa6b144491
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c4d8f56990db1acb4e7ccb405c67858f1e1a01dd0057df7137011170e4b0a0c
[INFO] running `Command { std: "docker" "start" "-a" "6c4d8f56990db1acb4e7ccb405c67858f1e1a01dd0057df7137011170e4b0a0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling metrics-core v0.5.2
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling metrics-exporter-log v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "6c4d8f56990db1acb4e7ccb405c67858f1e1a01dd0057df7137011170e4b0a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4d8f56990db1acb4e7ccb405c67858f1e1a01dd0057df7137011170e4b0a0c", kill_on_drop: false }`
[INFO] [stdout] 6c4d8f56990db1acb4e7ccb405c67858f1e1a01dd0057df7137011170e4b0a0c
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4ab6061f30ca5d0e010509682b72b0250ffbf8fb7b32e538d9f0c8bea757ba3
[INFO] running `Command { std: "docker" "start" "-a" "f4ab6061f30ca5d0e010509682b72b0250ffbf8fb7b32e538d9f0c8bea757ba3", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrics-exporter-log v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "f4ab6061f30ca5d0e010509682b72b0250ffbf8fb7b32e538d9f0c8bea757ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ab6061f30ca5d0e010509682b72b0250ffbf8fb7b32e538d9f0c8bea757ba3", kill_on_drop: false }`
[INFO] [stdout] f4ab6061f30ca5d0e010509682b72b0250ffbf8fb7b32e538d9f0c8bea757ba3
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f5ccbc58686890f7bc1935b8889e7cec4f5ed97bb8499961a6c724239937944
[INFO] running `Command { std: "docker" "start" "-a" "8f5ccbc58686890f7bc1935b8889e7cec4f5ed97bb8499961a6c724239937944", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_exporter_log-f4d67de8b8efc332)
[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 metrics_exporter_log
[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" "8f5ccbc58686890f7bc1935b8889e7cec4f5ed97bb8499961a6c724239937944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f5ccbc58686890f7bc1935b8889e7cec4f5ed97bb8499961a6c724239937944", kill_on_drop: false }`
[INFO] [stdout] 8f5ccbc58686890f7bc1935b8889e7cec4f5ed97bb8499961a6c724239937944