[INFO] fetching crate metrics-process 2.4.2...
[INFO] testing metrics-process-2.4.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate metrics-process 2.4.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate metrics-process 2.4.2
[INFO] finished tweaking crates.io crate metrics-process 2.4.2
[INFO] tweaked toml for crates.io crate metrics-process 2.4.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrics-process 2.4.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate metrics-process 2.4.2 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffcbe2b7c55f018d87c2130f23bde7b1e59504c4c3060badf21d7e9ea90b7023
[INFO] running `Command { std: "docker" "start" "-a" "ffcbe2b7c55f018d87c2130f23bde7b1e59504c4c3060badf21d7e9ea90b7023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffcbe2b7c55f018d87c2130f23bde7b1e59504c4c3060badf21d7e9ea90b7023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffcbe2b7c55f018d87c2130f23bde7b1e59504c4c3060badf21d7e9ea90b7023", kill_on_drop: false }`
[INFO] [stdout] ffcbe2b7c55f018d87c2130f23bde7b1e59504c4c3060badf21d7e9ea90b7023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2cbdd729d42f5d67059d99435c8bb2e9e72278df90ff588e165f16de79e9ed4
[INFO] running `Command { std: "docker" "start" "-a" "d2cbdd729d42f5d67059d99435c8bb2e9e72278df90ff588e165f16de79e9ed4", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling procfs v0.18.0
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling procfs-core v0.18.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling metrics v0.24.2
[INFO] [stderr]    Compiling metrics-process v2.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `Command { std: "docker" "inspect" "d2cbdd729d42f5d67059d99435c8bb2e9e72278df90ff588e165f16de79e9ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2cbdd729d42f5d67059d99435c8bb2e9e72278df90ff588e165f16de79e9ed4", kill_on_drop: false }`
[INFO] [stdout] d2cbdd729d42f5d67059d99435c8bb2e9e72278df90ff588e165f16de79e9ed4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e503b16d02b4e97a1ce2555f58dd4d2bb3c142bf5a8820b8f025d3e1eac5c505
[INFO] running `Command { std: "docker" "start" "-a" "e503b16d02b4e97a1ce2555f58dd4d2bb3c142bf5a8820b8f025d3e1eac5c505", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
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[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling tracing-core v0.1.34
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[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling atomic-waker v1.1.2
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling tower-service v0.3.3
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[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
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[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling subtle v2.6.1
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[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling http v1.3.1
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[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling foldhash v0.1.5
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[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling sketches-ddsketch v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling base64 v0.22.1
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[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling axum-core v0.5.5
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling quanta v0.12.6
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling metrics-util v0.20.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling aws-lc-sys v0.31.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling rustls-webpki v0.103.6
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling hyper-rustls v0.27.7
[INFO] [stderr]    Compiling axum v0.8.6
[INFO] [stderr]    Compiling metrics-exporter-prometheus v0.17.2
[INFO] [stderr]    Compiling metrics-process v2.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 57.04s
[INFO] running `Command { std: "docker" "inspect" "e503b16d02b4e97a1ce2555f58dd4d2bb3c142bf5a8820b8f025d3e1eac5c505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e503b16d02b4e97a1ce2555f58dd4d2bb3c142bf5a8820b8f025d3e1eac5c505", kill_on_drop: false }`
[INFO] [stdout] e503b16d02b4e97a1ce2555f58dd4d2bb3c142bf5a8820b8f025d3e1eac5c505
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77144274825d3042915a94b7650c357607f8b4690cb40370042f956ed70025b5
[INFO] running `Command { std: "docker" "start" "-a" "77144274825d3042915a94b7650c357607f8b4690cb40370042f956ed70025b5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_process-64bedb79079e11ad)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test collector::tests::test_collect_internal_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.87s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metrics_process
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 72) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 100) - compile ... ok
[INFO] [stdout] test src/lib.rs - Collector::describe (line 109) - compile ... ok
[INFO] [stdout] test src/lib.rs - Collector::new (line 95) ... ok
[INFO] [stdout] test src/lib.rs - Collector::prefix (line 80) ... ok
[INFO] [stdout] test src/lib.rs - Collector::prefix (line 71) ... ok
[INFO] [stdout] test src/lib.rs - Collector::collect (line 181) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77144274825d3042915a94b7650c357607f8b4690cb40370042f956ed70025b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77144274825d3042915a94b7650c357607f8b4690cb40370042f956ed70025b5", kill_on_drop: false }`
[INFO] [stdout] 77144274825d3042915a94b7650c357607f8b4690cb40370042f956ed70025b5