[INFO] fetching crate omikuji 0.3.2...
[INFO] testing omikuji-0.3.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate omikuji 0.3.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate omikuji 0.3.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate omikuji 0.3.2
[INFO] finished tweaking crates.io crate omikuji 0.3.2
[INFO] tweaked toml for crates.io crate omikuji 0.3.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate omikuji 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5619616c0d74c913bbc35fbe4bc64a8f0f7f06428c3e371e955be14e9e353d4e
[INFO] running `Command { std: "docker" "start" "-a" "5619616c0d74c913bbc35fbe4bc64a8f0f7f06428c3e371e955be14e9e353d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5619616c0d74c913bbc35fbe4bc64a8f0f7f06428c3e371e955be14e9e353d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5619616c0d74c913bbc35fbe4bc64a8f0f7f06428c3e371e955be14e9e353d4e", kill_on_drop: false }`
[INFO] [stdout] 5619616c0d74c913bbc35fbe4bc64a8f0f7f06428c3e371e955be14e9e353d4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 144980fce5720b81c381c9d359bd45f9a0db74cdacccfe889677d8ab0e4cb273
[INFO] running `Command { std: "docker" "start" "-a" "144980fce5720b81c381c9d359bd45f9a0db74cdacccfe889677d8ab0e4cb273", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling order-stat v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling pbr v1.0.4
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v2.5.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling sprs v0.10.0
[INFO] [stderr]    Compiling omikuji v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.52s
[INFO] running `Command { std: "docker" "inspect" "144980fce5720b81c381c9d359bd45f9a0db74cdacccfe889677d8ab0e4cb273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "144980fce5720b81c381c9d359bd45f9a0db74cdacccfe889677d8ab0e4cb273", kill_on_drop: false }`
[INFO] [stdout] 144980fce5720b81c381c9d359bd45f9a0db74cdacccfe889677d8ab0e4cb273
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1788d5b04ff24719f93eeceef77ab20c8b996f5d5d1d96817069170147e5874d
[INFO] running `Command { std: "docker" "start" "-a" "1788d5b04ff24719f93eeceef77ab20c8b996f5d5d1d96817069170147e5874d", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling omikuji v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `Command { std: "docker" "inspect" "1788d5b04ff24719f93eeceef77ab20c8b996f5d5d1d96817069170147e5874d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1788d5b04ff24719f93eeceef77ab20c8b996f5d5d1d96817069170147e5874d", kill_on_drop: false }`
[INFO] [stdout] 1788d5b04ff24719f93eeceef77ab20c8b996f5d5d1d96817069170147e5874d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f0de4408ddaf25c496422528cd3b5608bfd5ac766d0be62abc4a4743525614e
[INFO] running `Command { std: "docker" "start" "-a" "1f0de4408ddaf25c496422528cd3b5608bfd5ac766d0be62abc4a4743525614e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/omikuji-f81a44aec719e9c9)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test data::tests::test_parse_xc_repo_data_line ... ok
[INFO] [stdout] test mat_util::tests::test_csrmat_from_index_value_pair_lists ... ok
[INFO] [stdout] test mat_util::tests::test_dense_vec_l2_normalize ... ok
[INFO] [stdout] test mat_util::tests::test_dense_add_assign_csvec ... ok
[INFO] [stdout] test mat_util::tests::test_dense_add_assign_csvec_mul_scalar ... ok
[INFO] [stdout] test mat_util::tests::test_find_max ... ok
[INFO] [stdout] test mat_util::tests::test_copy_outer_dims ... ok
[INFO] [stdout] test mat_util::tests::test_remap_inner_indices ... ok
[INFO] [stdout] test mat_util::tests::test_sort_by_index ... ok
[INFO] [stdout] test mat_util::tests::test_prune_with_threshold ... ok
[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_shrink_inner_indices ... ok
[INFO] [stdout] test model::train::tests::test_compute_label_centroids ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] 
Examples 1 / 3 [=============>--------------------------] 33.33 % 14668.99/s 0s 
Examples 2 / 3 [==========================>-------------] 66.67 % 12320.35/s 0s 
Examples 3 / 3 [==========================================] 100.00 % 13540.72/s 
Labels 1 / 3 [=============>----------------------------] 33.33 % 26651.74/s 0s 
Labels 2 / 3 [===========================>--------------] 66.67 % 18982.18/s 0s 
Labels 3 / 3 [============================================] 100.00 % 19237.80/s    Doc-tests omikuji
[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] running `Command { std: "docker" "inspect" "1f0de4408ddaf25c496422528cd3b5608bfd5ac766d0be62abc4a4743525614e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0de4408ddaf25c496422528cd3b5608bfd5ac766d0be62abc4a4743525614e", kill_on_drop: false }`
[INFO] [stdout] 1f0de4408ddaf25c496422528cd3b5608bfd5ac766d0be62abc4a4743525614e