[INFO] fetching crate metrics-exporter-scope 0.2.0...
[INFO] testing metrics-exporter-scope-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate metrics-exporter-scope 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate metrics-exporter-scope 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate metrics-exporter-scope 0.2.0
[INFO] tweaked toml for crates.io crate metrics-exporter-scope 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrics-exporter-scope 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] crate crates.io crate metrics-exporter-scope 0.2.0 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-2025-10-28" "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] 1251a3dbf8f9e9c281636963ad56a2932b4fb9ef39bf8161fff7095526d23cee
[INFO] running `Command { std: "docker" "start" "-a" "1251a3dbf8f9e9c281636963ad56a2932b4fb9ef39bf8161fff7095526d23cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1251a3dbf8f9e9c281636963ad56a2932b4fb9ef39bf8161fff7095526d23cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1251a3dbf8f9e9c281636963ad56a2932b4fb9ef39bf8161fff7095526d23cee", kill_on_drop: false }`
[INFO] [stdout] 1251a3dbf8f9e9c281636963ad56a2932b4fb9ef39bf8161fff7095526d23cee
[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] 5abd91a4b2179d47a2474b4eab27d38424e18c560e825f8b2d90354f6b97863c
[INFO] running `Command { std: "docker" "start" "-a" "5abd91a4b2179d47a2474b4eab27d38424e18c560e825f8b2d90354f6b97863c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling foldhash v0.1.3
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling object-id v0.1.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling hashbrown v0.15.1
[INFO] [stderr]    Compiling raw-cpuid v11.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling metrics v0.24.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling linux-futex v1.0.0
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling parking_lot_rt v0.12.1
[INFO] [stderr]    Compiling quanta v0.12.3
[INFO] [stderr]    Compiling metrics-util v0.18.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling rtsc-derive v0.1.0
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling bma-ts v0.1.14
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling rtsc v0.3.2
[INFO] [stderr]    Compiling metrics-exporter-scope v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.90s
[INFO] running `Command { std: "docker" "inspect" "5abd91a4b2179d47a2474b4eab27d38424e18c560e825f8b2d90354f6b97863c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5abd91a4b2179d47a2474b4eab27d38424e18c560e825f8b2d90354f6b97863c", kill_on_drop: false }`
[INFO] [stdout] 5abd91a4b2179d47a2474b4eab27d38424e18c560e825f8b2d90354f6b97863c
[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] 2cd84ec71217c12ec30d02fad795e04f035cfaaabcabc44be303e306779a9045
[INFO] running `Command { std: "docker" "start" "-a" "2cd84ec71217c12ec30d02fad795e04f035cfaaabcabc44be303e306779a9045", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling sketches-ddsketch v0.3.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling metrics-util v0.18.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling parking_lot_rt v0.12.1
[INFO] [stderr]    Compiling tokio v1.39.3
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling rtsc-derive v0.1.0
[INFO] [stderr]    Compiling rtsc v0.3.2
[INFO] [stderr]    Compiling metrics-exporter-scope v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling h2 v0.4.6
[INFO] [stderr]    Compiling hyper v1.4.1
[INFO] [stderr]    Compiling hyper-util v0.1.7
[INFO] [stderr]    Compiling metrics-exporter-prometheus v0.16.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.90s
[INFO] running `Command { std: "docker" "inspect" "2cd84ec71217c12ec30d02fad795e04f035cfaaabcabc44be303e306779a9045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd84ec71217c12ec30d02fad795e04f035cfaaabcabc44be303e306779a9045", kill_on_drop: false }`
[INFO] [stdout] 2cd84ec71217c12ec30d02fad795e04f035cfaaabcabc44be303e306779a9045
[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] e2dd9399ed884117c9045ff6a80fb2b59548c6c4730dc65a12aa2d8c1658e548
[INFO] running `Command { std: "docker" "start" "-a" "e2dd9399ed884117c9045ff6a80fb2b59548c6c4730dc65a12aa2d8c1658e548", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_exporter_scope-6a75129f5d5edc59)
[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_scope
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 84) ... ignored
[INFO] [stdout] test src/lib.rs - (line 44) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 55) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 32) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 69) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2dd9399ed884117c9045ff6a80fb2b59548c6c4730dc65a12aa2d8c1658e548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2dd9399ed884117c9045ff6a80fb2b59548c6c4730dc65a12aa2d8c1658e548", kill_on_drop: false }`
[INFO] [stdout] e2dd9399ed884117c9045ff6a80fb2b59548c6c4730dc65a12aa2d8c1658e548