[INFO] fetching crate prometric 0.2.2...
[INFO] testing prometric-0.2.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate prometric 0.2.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate prometric 0.2.2
[INFO] finished tweaking crates.io crate prometric 0.2.2
[INFO] tweaked toml for crates.io crate prometric 0.2.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometric 0.2.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prometric 0.2.2 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-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4ca249e2d7e90919c8b9df20e338c75890f3d40d249bed2cb6923648320d53a
[INFO] running `Command { std: "docker" "start" "-a" "d4ca249e2d7e90919c8b9df20e338c75890f3d40d249bed2cb6923648320d53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4ca249e2d7e90919c8b9df20e338c75890f3d40d249bed2cb6923648320d53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ca249e2d7e90919c8b9df20e338c75890f3d40d249bed2cb6923648320d53a", kill_on_drop: false }`
[INFO] [stdout] d4ca249e2d7e90919c8b9df20e338c75890f3d40d249bed2cb6923648320d53a
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c7997bccf061f7b052301d145a8ead6122e6964a2e3c185f504450292dd09c1
[INFO] running `Command { std: "docker" "start" "-a" "7c7997bccf061f7b052301d145a8ead6122e6964a2e3c185f504450292dd09c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling aws-lc-rs v1.16.2
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling orx-self-or v1.2.0
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling orx-pseudo-default v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling rustls v0.23.38
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling orx-iterable v1.3.0
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling orx-pinned-vec v3.23.0
[INFO] [stderr]    Compiling orx-concurrent-iter v3.3.0
[INFO] [stderr]    Compiling rustls-native-certs v0.8.3
[INFO] [stderr]    Compiling sketches-ddsketch v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling prometheus v0.14.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling orx-concurrent-option v1.5.0
[INFO] [stderr]    Compiling ipnet v2.12.0
[INFO] [stderr]    Compiling orx-fixed-vec v3.23.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling orx-split-vec v3.23.0
[INFO] [stderr]    Compiling arc-cell v0.3.3
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling ordered-float v5.3.0
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling orx-pinned-concurrent-col v2.18.0
[INFO] [stderr]    Compiling rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tokio v1.52.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling orx-concurrent-vec v3.10.0
[INFO] [stderr]    Compiling protobuf-support v3.7.2
[INFO] [stderr]    Compiling quanta v0.12.6
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling aws-lc-sys v0.39.1
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling metrics v0.24.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.4
[INFO] [stderr]    Compiling metrics-util v0.20.1
[INFO] [stderr]    Compiling hyper v1.9.0
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling rustls-webpki v0.103.12
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling hyper-rustls v0.27.9
[INFO] [stderr]    Compiling metrics-exporter-prometheus v0.17.2
[INFO] [stderr]    Compiling prometric v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.14s
[INFO] running `Command { std: "docker" "inspect" "7c7997bccf061f7b052301d145a8ead6122e6964a2e3c185f504450292dd09c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7997bccf061f7b052301d145a8ead6122e6964a2e3c185f504450292dd09c1", kill_on_drop: false }`
[INFO] [stdout] 7c7997bccf061f7b052301d145a8ead6122e6964a2e3c185f504450292dd09c1
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2ee0807148fe54882482b80dfd32a44136172ab5f18d3f4a16982cbaae80a64
[INFO] running `Command { std: "docker" "start" "-a" "e2ee0807148fe54882482b80dfd32a44136172ab5f18d3f4a16982cbaae80a64", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometric v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "e2ee0807148fe54882482b80dfd32a44136172ab5f18d3f4a16982cbaae80a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ee0807148fe54882482b80dfd32a44136172ab5f18d3f4a16982cbaae80a64", kill_on_drop: false }`
[INFO] [stdout] e2ee0807148fe54882482b80dfd32a44136172ab5f18d3f4a16982cbaae80a64
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e44ea6dd5cb7ee2ee63b4d7ab26e0b2eaffe7f9e63818c4a10ee527f96138df3
[INFO] running `Command { std: "docker" "start" "-a" "e44ea6dd5cb7ee2ee63b4d7ab26e0b2eaffe7f9e63818c4a10ee527f96138df3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prometric-ace670b20b3abcfb)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test summary::generic::tests::with_rolling_summary ... ok
[INFO] [stdout] test summary::generic::tests::with_batched_rolling_summary ... ok
[INFO] [stdout] test summary::batching::tests::concurrent_observe ... ok
[INFO] [stdout] test summary::generic::tests::with_batched_simple_summary ... ok
[INFO] [stdout] test summary::tests::concurrent_smoke ... ok
[INFO] [stdout] test summary::batching::tests::single_threaded_observe ... ok
[INFO] [stdout] test summary::tests::smoke ... ok
[INFO] [stdout] test summary::generic::tests::with_simple_summary ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.51s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prometric
[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" "e44ea6dd5cb7ee2ee63b4d7ab26e0b2eaffe7f9e63818c4a10ee527f96138df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44ea6dd5cb7ee2ee63b4d7ab26e0b2eaffe7f9e63818c4a10ee527f96138df3", kill_on_drop: false }`
[INFO] [stdout] e44ea6dd5cb7ee2ee63b4d7ab26e0b2eaffe7f9e63818c4a10ee527f96138df3
