[INFO] fetching crate rust-imbalanced-learn 0.1.0...
[INFO] testing rust-imbalanced-learn-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rust-imbalanced-learn 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rust-imbalanced-learn 0.1.0
[INFO] finished tweaking crates.io crate rust-imbalanced-learn 0.1.0
[INFO] tweaked toml for crates.io crate rust-imbalanced-learn 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-imbalanced-learn 0.1.0 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 rust-imbalanced-learn 0.1.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0034b71e819875c2dbdd8b11406bcf8b140f8b24b570e994d38e3721a38f363d
[INFO] running `Command { std: "docker" "start" "-a" "0034b71e819875c2dbdd8b11406bcf8b140f8b24b570e994d38e3721a38f363d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0034b71e819875c2dbdd8b11406bcf8b140f8b24b570e994d38e3721a38f363d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0034b71e819875c2dbdd8b11406bcf8b140f8b24b570e994d38e3721a38f363d", kill_on_drop: false }`
[INFO] [stdout] 0034b71e819875c2dbdd8b11406bcf8b140f8b24b570e994d38e3721a38f363d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 49c3fb03c6d7be13454fbab44e075f79376c8b53985b1fa38b66c522d8757f6e
[INFO] running `Command { std: "docker" "start" "-a" "49c3fb03c6d7be13454fbab44e075f79376c8b53985b1fa38b66c522d8757f6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling generator v0.8.5
[INFO] [stderr]    Compiling fixed v1.29.0
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling linfa v0.7.1
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling ubyte v0.10.4
[INFO] [stderr]    Compiling elapsed v0.1.2
[INFO] [stderr]    Compiling sorted-vec v0.8.6
[INFO] [stderr]    Compiling divrem v1.0.0
[INFO] [stderr]    Compiling init_with v1.1.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling ordered-float v4.6.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling sprs v0.11.1
[INFO] [stderr]    Compiling imbalanced-core v0.1.0
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling imbalanced-metrics v0.1.0
[INFO] [stderr]    Compiling linfa-trees v0.7.1
[INFO] [stderr]    Compiling kiddo v4.2.1
[INFO] [stderr]    Compiling imbalanced-sampling v0.1.0
[INFO] [stderr]    Compiling imbalanced-ensemble v0.1.0
[INFO] [stderr]    Compiling rust-imbalanced-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.37s
[INFO] running `Command { std: "docker" "inspect" "49c3fb03c6d7be13454fbab44e075f79376c8b53985b1fa38b66c522d8757f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c3fb03c6d7be13454fbab44e075f79376c8b53985b1fa38b66c522d8757f6e", kill_on_drop: false }`
[INFO] [stdout] 49c3fb03c6d7be13454fbab44e075f79376c8b53985b1fa38b66c522d8757f6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] efba62a3259e2626280cbc31e2148a1de79186e959f0894c811d726c1b9a434a
[INFO] running `Command { std: "docker" "start" "-a" "efba62a3259e2626280cbc31e2148a1de79186e959f0894c811d726c1b9a434a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-imbalanced-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "efba62a3259e2626280cbc31e2148a1de79186e959f0894c811d726c1b9a434a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efba62a3259e2626280cbc31e2148a1de79186e959f0894c811d726c1b9a434a", kill_on_drop: false }`
[INFO] [stdout] efba62a3259e2626280cbc31e2148a1de79186e959f0894c811d726c1b9a434a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2cbd25f298bf3094babd98d6a60d30a844b795cd8c93c3272025ae2b34fc5a4b
[INFO] running `Command { std: "docker" "start" "-a" "2cbd25f298bf3094babd98d6a60d30a844b795cd8c93c3272025ae2b34fc5a4b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_imbalanced_learn-16d1e53694c2769d)
[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 rust_imbalanced_learn
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 20) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ndarray`
[INFO] [stdout]  --> src/lib.rs:23:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::{Array1, Array2};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `ndarray`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `ndarray`, use `cargo add ndarray` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2cbd25f298bf3094babd98d6a60d30a844b795cd8c93c3272025ae2b34fc5a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbd25f298bf3094babd98d6a60d30a844b795cd8c93c3272025ae2b34fc5a4b", kill_on_drop: false }`
[INFO] [stdout] 2cbd25f298bf3094babd98d6a60d30a844b795cd8c93c3272025ae2b34fc5a4b