[INFO] fetching crate rec_rsys 1.0.0...
[INFO] testing rec_rsys-1.0.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rec_rsys 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rec_rsys 1.0.0
[INFO] finished tweaking crates.io crate rec_rsys 1.0.0
[INFO] tweaked toml for crates.io crate rec_rsys 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rec_rsys 1.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 03b0dbda4f4b7d50ab8ade5b051d9a178d6df4b371e21f0ed17b2665983bb8ac
[INFO] running `Command { std: "docker" "start" "-a" "03b0dbda4f4b7d50ab8ade5b051d9a178d6df4b371e21f0ed17b2665983bb8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03b0dbda4f4b7d50ab8ade5b051d9a178d6df4b371e21f0ed17b2665983bb8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b0dbda4f4b7d50ab8ade5b051d9a178d6df4b371e21f0ed17b2665983bb8ac", kill_on_drop: false }`
[INFO] [stdout] 03b0dbda4f4b7d50ab8ade5b051d9a178d6df4b371e21f0ed17b2665983bb8ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 69eedfea96fc57326bf95042a47705a03fc6aa9f8f03713f5529f066247886ed
[INFO] running `Command { std: "docker" "start" "-a" "69eedfea96fc57326bf95042a47705a03fc6aa9f8f03713f5529f066247886ed", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rec_rsys v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.31s
[INFO] running `Command { std: "docker" "inspect" "69eedfea96fc57326bf95042a47705a03fc6aa9f8f03713f5529f066247886ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69eedfea96fc57326bf95042a47705a03fc6aa9f8f03713f5529f066247886ed", kill_on_drop: false }`
[INFO] [stdout] 69eedfea96fc57326bf95042a47705a03fc6aa9f8f03713f5529f066247886ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6525ed2b3fdfa2d33dc71d88cf283c4393bdd926fdcc32685b9d922e5474211a
[INFO] running `Command { std: "docker" "start" "-a" "6525ed2b3fdfa2d33dc71d88cf283c4393bdd926fdcc32685b9d922e5474211a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rec_rsys v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "6525ed2b3fdfa2d33dc71d88cf283c4393bdd926fdcc32685b9d922e5474211a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6525ed2b3fdfa2d33dc71d88cf283c4393bdd926fdcc32685b9d922e5474211a", kill_on_drop: false }`
[INFO] [stdout] 6525ed2b3fdfa2d33dc71d88cf283c4393bdd926fdcc32685b9d922e5474211a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f89741f140f6921f9430498ff339ca45a9e00a3b7f00621034abb164f16cde67
[INFO] running `Command { std: "docker" "start" "-a" "f89741f140f6921f9430498ff339ca45a9e00a3b7f00621034abb164f16cde67", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rec_rsys-fecf7f53877879fc)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test accuracy::tests::test_vec_hit_rate ... ok
[INFO] [stdout] test matrix::tests::test_subtract_vector_from_matrix ... ok
[INFO] [stdout] test matrix::tests::test_transpose ... ok
[INFO] [stdout] test benchmarks::testing_tools::tests::test_get_current_time ... ok
[INFO] [stdout] test benchmarks::testing_tools::tests::random_f ... ok
[INFO] [stdout] test similarity::tests::test_msd_similarity ... ok
[INFO] [stdout] test similarity::tests::test_pearson_correlation ... ok
[INFO] [stdout] test similarity::tests::test_pearson_baseline_similarity ... ok
[INFO] [stdout] test similarity::tests::test_euclidean_distance ... ok
[INFO] [stdout] test similarity::tests::test_cosine_similarity ... ok
[INFO] [stdout] test similarity::tests::test_jaccard_similarity ... ok
[INFO] [stdout] test models::tests::test_sum_encoding_vectors ... ok
[INFO] [stdout] test similarity::tests::test_spearman_rank ... ok
[INFO] [stdout] test statistics::tests::test_covariance ... ok
[INFO] [stdout] test statistics::tests::test_standard_deviation ... ok
[INFO] [stdout] test statistics::tests::test_variance ... ok
[INFO] [stdout] test utils::tests::test_argsort ... ok
[INFO] [stdout] test utils::tests::test_dot ... ok
[INFO] [stdout] test utils::tests::test_sort_and_trucate ... ok
[INFO] [stdout] test utils::tests::test_squared_diff_sum ... ok
[INFO] [stdout] test utils::tests::test_euclidean_norm ... ok
[INFO] [stdout] test matrix::tests::test_mean_along_axis ... ok
[INFO] [stdout] test utils::tests::test_sort_with_direction_ascending ... ok
[INFO] [stdout] test utils::tests::test_sort_with_direction_descending ... ok
[INFO] [stdout] test matrix::tests::test_covariance ... ok
[INFO] [stdout] test models::tests::test_one_hot_encode ... ok
[INFO] [stdout] test similarity::tests::test_spearman_correlation ... ok
[INFO] [stdout] test similarity::tests::test_exponential_decay_similarity ... ok
[INFO] [stdout] test matrix::tests::test_get_eigenvalues ... ok
[INFO] [stdout] test matrix::tests::test_mean ... ok
[INFO] [stdout] test similarity::tests::test_minkowski_distance ... ok
[INFO] [stdout] test similarity::tests::test_msd ... ok
[INFO] [stderr]    Doc-tests rec_rsys
[INFO] [stdout] test accuracy::tests::test_hit_rate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/benchmarks/testing_tools.rs - benchmarks::testing_tools::compare_execution_times (line 120) ... ignored
[INFO] [stdout] test src/matrix.rs - matrix::get_eigenvectors (line 205) ... ignored
[INFO] [stdout] test src/similarity.rs - similarity::adjusted_cosine_similarity (line 67) ... ok
[INFO] [stdout] test src/similarity.rs - similarity::msd (line 192) ... ok
[INFO] [stdout] test src/similarity.rs - similarity::euclidean_distance (line 87) ... ok
[INFO] [stdout] test src/similarity.rs - similarity::cosine_similarity (line 47) ... ok
[INFO] [stdout] test src/similarity.rs - similarity::minkowski_distance (line 263) ... ok
[INFO] [stdout] test src/similarity.rs - similarity::pearson_correlation (line 133) ... ok
[INFO] [stdout] test src/similarity.rs - similarity::spearman_correlation (line 236) ... ok
[INFO] [stdout] test src/algorithms/knn.rs - algorithms::knn::KNN (line 24) ... FAILED
[INFO] [stdout] test src/similarity.rs - similarity::jaccard_similarity (line 27) ... ok
[INFO] [stdout] test src/similarity.rs - similarity::pearson_baseline_similarity (line 170) ... ok
[INFO] [stdout] test src/similarity.rs - similarity::msd_similarity (line 211) ... ok
[INFO] [stdout] test src/utils.rs - utils::sort_with_direction (line 72) ... ok
[INFO] [stdout] test src/statistics.rs - statistics::variance (line 118) ... ok
[INFO] [stdout] test src/similarity.rs - similarity::exponential_decay_similarity (line 107) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::subtract_vector_from_matrix (line 121) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/algorithms/knn.rs - algorithms::knn::KNN (line 24) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `rec_rsys::algorithms::KNN`
[INFO] [stdout]  --> src/algorithms/knn.rs:26:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rec_rsys::{algorithms::KNN, models::Item, similarity::SimilarityAlgos};
[INFO] [stdout]   |                ^^^^^^^^^^^^---
[INFO] [stdout]   |                |           |
[INFO] [stdout]   |                |           help: a similar name exists in the module: `knn`
[INFO] [stdout]   |                no `KNN` in `algorithms`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this struct instead:
[INFO] [stdout]           rec_rsys::algorithms::knn::KNN
[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/algorithms/knn.rs - algorithms::knn::KNN (line 24)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 14 passed; 1 failed; 2 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "f89741f140f6921f9430498ff339ca45a9e00a3b7f00621034abb164f16cde67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89741f140f6921f9430498ff339ca45a9e00a3b7f00621034abb164f16cde67", kill_on_drop: false }`
[INFO] [stdout] f89741f140f6921f9430498ff339ca45a9e00a3b7f00621034abb164f16cde67