[INFO] fetching crate metrics-process-promstyle 0.18.0...
[INFO] testing metrics-process-promstyle-0.18.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate metrics-process-promstyle 0.18.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate metrics-process-promstyle 0.18.0
[INFO] finished tweaking crates.io crate metrics-process-promstyle 0.18.0
[INFO] tweaked toml for crates.io crate metrics-process-promstyle 0.18.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrics-process-promstyle 0.18.0 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] crate crates.io crate metrics-process-promstyle 0.18.0 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" "+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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f400cd4ea9d510b075ae54268d01ea14f75e017766177fd0271c88390261ff87
[INFO] running `Command { std: "docker" "start" "-a" "f400cd4ea9d510b075ae54268d01ea14f75e017766177fd0271c88390261ff87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f400cd4ea9d510b075ae54268d01ea14f75e017766177fd0271c88390261ff87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f400cd4ea9d510b075ae54268d01ea14f75e017766177fd0271c88390261ff87", kill_on_drop: false }`
[INFO] [stdout] f400cd4ea9d510b075ae54268d01ea14f75e017766177fd0271c88390261ff87
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9889fc8a7b6baaa34ea9cc8028bc43b4c59aa7c68b9600a3a2d249340bd456cb
[INFO] running `Command { std: "docker" "start" "-a" "9889fc8a7b6baaa34ea9cc8028bc43b4c59aa7c68b9600a3a2d249340bd456cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling metrics v0.18.1
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling procfs v0.12.0
[INFO] [stderr]    Compiling metrics-macros v0.5.1
[INFO] [stderr]    Compiling metrics-process-promstyle v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.69s
[INFO] running `Command { std: "docker" "inspect" "9889fc8a7b6baaa34ea9cc8028bc43b4c59aa7c68b9600a3a2d249340bd456cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9889fc8a7b6baaa34ea9cc8028bc43b4c59aa7c68b9600a3a2d249340bd456cb", kill_on_drop: false }`
[INFO] [stdout] 9889fc8a7b6baaa34ea9cc8028bc43b4c59aa7c68b9600a3a2d249340bd456cb
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f21299c48651650171fc1167ff45747adcd15f958e54f9f752cba9df98719aa
[INFO] running `Command { std: "docker" "start" "-a" "3f21299c48651650171fc1167ff45747adcd15f958e54f9f752cba9df98719aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling tracing-core v0.1.23
[INFO] [stderr]    Compiling raw-cpuid v10.3.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling sketches-ddsketch v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling atomic-shim v0.2.0
[INFO] [stderr]    Compiling ipnet v2.4.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling quanta v0.9.3
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling metrics-macros v0.5.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling metrics v0.18.1
[INFO] [stderr]    Compiling metrics-util v0.12.0
[INFO] [stderr]    Compiling metrics-process-promstyle v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tracing v0.1.32
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling metrics-exporter-prometheus v0.9.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.45s
[INFO] running `Command { std: "docker" "inspect" "3f21299c48651650171fc1167ff45747adcd15f958e54f9f752cba9df98719aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f21299c48651650171fc1167ff45747adcd15f958e54f9f752cba9df98719aa", kill_on_drop: false }`
[INFO] [stdout] 3f21299c48651650171fc1167ff45747adcd15f958e54f9f752cba9df98719aa
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17f0bbd32ddd890743cd98f3fcec8354bf812b5a7d3638af3171d17b5bbecc8b
[INFO] running `Command { std: "docker" "start" "-a" "17f0bbd32ddd890743cd98f3fcec8354bf812b5a7d3638af3171d17b5bbecc8b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_process_promstyle-e98e9a36a4582c09)
[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_process_promstyle
[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" "17f0bbd32ddd890743cd98f3fcec8354bf812b5a7d3638af3171d17b5bbecc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f0bbd32ddd890743cd98f3fcec8354bf812b5a7d3638af3171d17b5bbecc8b", kill_on_drop: false }`
[INFO] [stdout] 17f0bbd32ddd890743cd98f3fcec8354bf812b5a7d3638af3171d17b5bbecc8b