[INFO] cloning repository tomtung/parabel-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/tomtung/parabel-rs.git" "work/cache/sources/gh/tomtung/parabel-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tomtung/parabel-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/tomtung/parabel-rs" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tomtung/parabel-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tomtung/parabel-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tomtung/parabel-rs" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tomtung/parabel-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tomtung/parabel-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c367075a1defbbecc9b6e66a34720e89db920840
[INFO] sha for GitHub repo tomtung/parabel-rs: c367075a1defbbecc9b6e66a34720e89db920840
[INFO] validating manifest of tomtung/parabel-rs on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tomtung/parabel-rs on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tomtung/parabel-rs
[INFO] finished frobbing tomtung/parabel-rs
[INFO] frobbed toml for tomtung/parabel-rs written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tomtung/parabel-rs/Cargo.toml
[INFO] started frobbing tomtung/parabel-rs
[INFO] finished frobbing tomtung/parabel-rs
[INFO] frobbed toml for tomtung/parabel-rs written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tomtung/parabel-rs/Cargo.toml
[INFO] crate tomtung/parabel-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sprs v0.6.4
[INFO] [stderr]   Downloaded order-stat v0.1.3
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tomtung/parabel-rs against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tomtung/parabel-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] ba214a0b2fc1aa4e3e75f271bcc9402d346cc0e24385e0104cd2cd67181286c8
[INFO] running `"docker" "start" "-a" "ba214a0b2fc1aa4e3e75f271bcc9402d346cc0e24385e0104cd2cd67181286c8"`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling derive_builder v0.7.1
[INFO] [stderr]    Compiling order-stat v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling bincode v1.1.2
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling alga v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling pbr v1.0.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling darling_core v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling darling_macro v0.8.5
[INFO] [stderr]    Compiling darling v0.8.5
[INFO] [stderr]    Compiling derive_builder_core v0.4.1
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling sprs v0.6.4
[INFO] [stderr] warning[E0502]: cannot borrow `indptr` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sprs-0.6.4/src/sparse/triplet_iter.rs:122:26
[INFO] [stderr]     |
[INFO] [stderr] 122 |             indptr[i] += indptr[i - 1];
[INFO] [stderr]     |             -------------^^^^^^-------
[INFO] [stderr]     |             |            |
[INFO] [stderr]     |             |            immutable borrow occurs here
[INFO] [stderr]     |             mutable borrow occurs here
[INFO] [stderr]     |             mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling parabel v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 55s
[INFO] running `"docker" "inspect" "ba214a0b2fc1aa4e3e75f271bcc9402d346cc0e24385e0104cd2cd67181286c8"`
[INFO] running `"docker" "rm" "-f" "ba214a0b2fc1aa4e3e75f271bcc9402d346cc0e24385e0104cd2cd67181286c8"`
[INFO] [stdout] ba214a0b2fc1aa4e3e75f271bcc9402d346cc0e24385e0104cd2cd67181286c8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tomtung/parabel-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3fa2d3170098b9d90a3ace6f0548c0845eac01795258a3b0ede517f039e77e32
[INFO] running `"docker" "start" "-a" "3fa2d3170098b9d90a3ace6f0548c0845eac01795258a3b0ede517f039e77e32"`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling parabel v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.73s
[INFO] running `"docker" "inspect" "3fa2d3170098b9d90a3ace6f0548c0845eac01795258a3b0ede517f039e77e32"`
[INFO] running `"docker" "rm" "-f" "3fa2d3170098b9d90a3ace6f0548c0845eac01795258a3b0ede517f039e77e32"`
[INFO] [stdout] 3fa2d3170098b9d90a3ace6f0548c0845eac01795258a3b0ede517f039e77e32
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tomtung/parabel-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] fc0527f54b23e6d1a03942ac37adaec5073ca7a135f3b116e37722b09e3dc9c1
[INFO] running `"docker" "start" "-a" "fc0527f54b23e6d1a03942ac37adaec5073ca7a135f3b116e37722b09e3dc9c1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/parabel-ba6cac836830b7c6
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test mat_util::tests::test_is_valid_sparse_vec ... ok
[INFO] [stdout] test mat_util::tests::test_l2_normalize ... ok
[INFO] [stdout] test mat_util::tests::test_dense_vec_l2_normalize ... ok
[INFO] [stdout] test mat_util::tests::test_dense_add_assign_csvec_mul_scalar ... ok
[INFO] [stdout] test mat_util::tests::test_dense_add_assign_csvec ... ok
[INFO] [stdout] test mat_util::tests::test_copy_to_csrmat ... ok
[INFO] [stdout] test mat_util::tests::test_copy_outer_dims ... ok
[INFO] [stdout] test mat_util::tests::test_prune_with_threshold ... ok
[INFO] [stdout] test mat_util::tests::test_remap_column_indices ... ok
[INFO] [stdout] test data::tests::test_parse_xc_repo_data_line ... ok
[INFO] [stdout] test mat_util::tests::test_shrink_column_indices ... ok
[INFO] [stdout] test mat_util::tests::test_sort_by_index ... ok
[INFO] [stdout] test model::cluster::tests::test_balanced_2means ... ok
[INFO] [stdout] test model::cluster::tests::test_balanced_2means_iterate ... ok
[INFO] [stdout] test model::train::tests::test_compute_label_centroids ... ok
[INFO] [stdout] test model::train::tests::test_compute_tree_height ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests parabel
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fc0527f54b23e6d1a03942ac37adaec5073ca7a135f3b116e37722b09e3dc9c1"`
[INFO] running `"docker" "rm" "-f" "fc0527f54b23e6d1a03942ac37adaec5073ca7a135f3b116e37722b09e3dc9c1"`
[INFO] [stdout] fc0527f54b23e6d1a03942ac37adaec5073ca7a135f3b116e37722b09e3dc9c1