[INFO] fetching crate scirs2-metrics 0.1.0-rc.2...
[INFO] testing scirs2-metrics-0.1.0-rc.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate scirs2-metrics 0.1.0-rc.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate scirs2-metrics 0.1.0-rc.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate scirs2-metrics 0.1.0-rc.2
[INFO] tweaked toml for crates.io crate scirs2-metrics 0.1.0-rc.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scirs2-metrics 0.1.0-rc.2 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 scirs2-metrics 0.1.0-rc.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-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] aa33fcd5a7fbd25b8bbb85a67d283e3b6b221646c652eb0dbe9d324b121bbb5b
[INFO] running `Command { std: "docker" "start" "-a" "aa33fcd5a7fbd25b8bbb85a67d283e3b6b221646c652eb0dbe9d324b121bbb5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa33fcd5a7fbd25b8bbb85a67d283e3b6b221646c652eb0dbe9d324b121bbb5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa33fcd5a7fbd25b8bbb85a67d283e3b6b221646c652eb0dbe9d324b121bbb5b", kill_on_drop: false }`
[INFO] [stdout] aa33fcd5a7fbd25b8bbb85a67d283e3b6b221646c652eb0dbe9d324b121bbb5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9e5a0d5c83cd2bed7d054f0674e0f0ca825d3d8a6bcf0b46dc22ee27bfc3f39e
[INFO] running `Command { std: "docker" "start" "-a" "9e5a0d5c83cd2bed7d054f0674e0f0ca825d3d8a6bcf0b46dc22ee27bfc3f39e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling erased-serde v0.4.8
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling scirs2-core v0.1.0-rc.2
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling basic-toml v0.1.10
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling serde_spanned v1.0.2
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling scirs2-metrics v0.1.0-rc.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling toml_writer v1.0.3
[INFO] [stderr]    Compiling toml v0.9.7
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling simba v0.9.1
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling serde_with_macros v3.14.1
[INFO] [stderr]    Compiling plotly_derive v0.13.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling askama_parser v0.14.0
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling serde_with v3.14.1
[INFO] [stderr]    Compiling askama_derive v0.14.0
[INFO] [stderr]    Compiling ndarray-rand v0.15.0
[INFO] [stderr]    Compiling askama v0.14.0
[INFO] [stderr]    Compiling plotly v0.13.5
[INFO] [stderr]    Compiling nalgebra v0.33.2
[INFO] [stderr]    Compiling statrs v0.18.0
[INFO] [stdout] warning: value assigned to `tn` is never read
[INFO] [stdout]    --> src/domains/graph_neural_networks/node_level.rs:143:39
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     (false, false) => tn += 1,
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tn` is never read
[INFO] [stdout]    --> src/sklearn_compat.rs:127:27
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 (0, 0) => tn += 1,
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "9e5a0d5c83cd2bed7d054f0674e0f0ca825d3d8a6bcf0b46dc22ee27bfc3f39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e5a0d5c83cd2bed7d054f0674e0f0ca825d3d8a6bcf0b46dc22ee27bfc3f39e", kill_on_drop: false }`
[INFO] [stdout] 9e5a0d5c83cd2bed7d054f0674e0f0ca825d3d8a6bcf0b46dc22ee27bfc3f39e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5d9f758cf8995d4aa532a1aada1023e8b9e5879addd2977fd0f8c3b8013df4e8
[INFO] running `Command { std: "docker" "start" "-a" "5d9f758cf8995d4aa532a1aada1023e8b9e5879addd2977fd0f8c3b8013df4e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling criterion v0.7.0
[INFO] [stderr]    Compiling ndarray-rand v0.15.0
[INFO] [stderr]    Compiling scirs2-core v0.1.0-rc.2
[INFO] [stderr]    Compiling scirs2-metrics v0.1.0-rc.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `tn` is never read
[INFO] [stdout]    --> src/domains/graph_neural_networks/node_level.rs:143:39
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     (false, false) => tn += 1,
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tn` is never read
[INFO] [stdout]    --> src/sklearn_compat.rs:127:27
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 (0, 0) => tn += 1,
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tn` is never read
[INFO] [stdout]    --> src/domains/graph_neural_networks/node_level.rs:143:39
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     (false, false) => tn += 1,
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scirs2-metrics` (lib); 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name scirs2_metrics --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --allow=unused_variables --allow=unused_mut --allow=unused_imports --allow=unpredictable_function_pointer_comparisons --allow=unknown_lints --allow=mismatched_lifetime_syntaxes --allow=dead_code --cfg 'feature="default"' --cfg 'feature="optim_integration"' --cfg 'feature="plotly_backend"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("dashboard_server", "default", "neural_common", "optim_integration", "plotly_backend", "plotters_backend"))' -C metadata=e5fdf7731913e733 -C extra-filename=-3204d2cc6764449e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-710b4f9e7a859a5a.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-b648feb9030fabfd.rmeta --extern ciborium=/opt/rustwide/target/debug/deps/libciborium-f6920f656cdc6a78.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-ca54231108c39f35.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-5cf65391f8c4acac.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-aa2788b437aa508c.rmeta --extern plotly=/opt/rustwide/target/debug/deps/libplotly-fecdfd37ae77b6db.rmeta --extern scirs2_core=/opt/rustwide/target/debug/deps/libscirs2_core-89a1cb7d25c6431d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-a126258b1407d536.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-4e6696d0a7ebd115.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-d1ae8c14bf1c4e7f.rmeta --extern statrs=/opt/rustwide/target/debug/deps/libstatrs-fc7c4584a73d4612.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-8401b640ab8f426a.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-2977e8e27eeaee9b.rmeta --cap-lints=warn -L native=/usr/lib/x86_64-linux-gnu -L native=/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu/openblas-pthread -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu/openblas-pthread -l pthread -l gfortran -l gomp -l openblas -C link-arg=-Wl,--start-group -C link-arg=-Wl,--end-group` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: value assigned to `tn` is never read
[INFO] [stdout]    --> src/sklearn_compat.rs:127:27
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 (0, 0) => tn += 1,
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d9f758cf8995d4aa532a1aada1023e8b9e5879addd2977fd0f8c3b8013df4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9f758cf8995d4aa532a1aada1023e8b9e5879addd2977fd0f8c3b8013df4e8", kill_on_drop: false }`
[INFO] [stdout] 5d9f758cf8995d4aa532a1aada1023e8b9e5879addd2977fd0f8c3b8013df4e8