[INFO] cloning repository https://github.com/enricozanardo/nabla
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enricozanardo/nabla" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenricozanardo%2Fnabla", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenricozanardo%2Fnabla'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] affd209bd931ae6197bbf6fcc66d3c4824aaea88
[INFO] testing enricozanardo/nabla against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenricozanardo%2Fnabla" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/enricozanardo/nabla
[INFO] finished tweaking git repo https://github.com/enricozanardo/nabla
[INFO] tweaked toml for git repo https://github.com/enricozanardo/nabla written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/enricozanardo/nabla on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/enricozanardo/nabla 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz_oxide v0.8.2
[INFO] [stderr]   Downloaded syn v2.0.94
[INFO] [stderr]   Downloaded serde_json v1.0.137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6306325e064ab0440a5229cd61e10b76d00cbb5ec7b31b0334e08d84fe1f7631
[INFO] running `Command { std: "docker" "start" "-a" "6306325e064ab0440a5229cd61e10b76d00cbb5ec7b31b0334e08d84fe1f7631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6306325e064ab0440a5229cd61e10b76d00cbb5ec7b31b0334e08d84fe1f7631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6306325e064ab0440a5229cd61e10b76d00cbb5ec7b31b0334e08d84fe1f7631", kill_on_drop: false }`
[INFO] [stdout] 6306325e064ab0440a5229cd61e10b76d00cbb5ec7b31b0334e08d84fe1f7631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73d7890403893f89a19b6d8e2360508cc59b0241be6914d400f4777627c42528
[INFO] running `Command { std: "docker" "start" "-a" "73d7890403893f89a19b6d8e2360508cc59b0241be6914d400f4777627c42528", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling miniz_oxide v0.8.2
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.94
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling nabla-ml v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.21s
[INFO] running `Command { std: "docker" "inspect" "73d7890403893f89a19b6d8e2360508cc59b0241be6914d400f4777627c42528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d7890403893f89a19b6d8e2360508cc59b0241be6914d400f4777627c42528", kill_on_drop: false }`
[INFO] [stdout] 73d7890403893f89a19b6d8e2360508cc59b0241be6914d400f4777627c42528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d39c4e8cc179ea4a06d0ed6416c47614059f7b27e6c352c6ff800b3aba9e3781
[INFO] running `Command { std: "docker" "start" "-a" "d39c4e8cc179ea4a06d0ed6416c47614059f7b27e6c352c6ff800b3aba9e3781", kill_on_drop: false }`
[INFO] [stderr]    Compiling nabla-ml v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.18s
[INFO] running `Command { std: "docker" "inspect" "d39c4e8cc179ea4a06d0ed6416c47614059f7b27e6c352c6ff800b3aba9e3781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d39c4e8cc179ea4a06d0ed6416c47614059f7b27e6c352c6ff800b3aba9e3781", kill_on_drop: false }`
[INFO] [stdout] d39c4e8cc179ea4a06d0ed6416c47614059f7b27e6c352c6ff800b3aba9e3781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cffc96f39c276ca684abb19e599b66ccc316fd7bfc84af46ccf72c438cdcad98
[INFO] running `Command { std: "docker" "start" "-a" "cffc96f39c276ca684abb19e599b66ccc316fd7bfc84af46ccf72c438cdcad98", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nabla_ml-4e3714a0ee05d87e)
[INFO] [stdout] 
[INFO] [stdout] running 103 tests
[INFO] [stdout] test nab_activations::tests::test_relu_forward_backward ... ok
[INFO] [stdout] test nab_activations::tests::test_sigmoid_forward_backward ... ok
[INFO] [stdout] test nab_activations::tests::test_leaky_relu_forward_backward ... ok
[INFO] [stdout] test nab_activations::tests::test_tanh_forward_backward ... ok
[INFO] [stdout] test nab_activations::tests::test_softmax_forward_backward ... ok
[INFO] [stdout] test nab_array::tests::test_abs ... ok
[INFO] [stdout] test nab_array::tests::test_arange ... ok
[INFO] [stdout] test nab_array::tests::test_argsort ... ok
[INFO] [stdout] test nab_array::tests::test_argmax ... ok
[INFO] [stdout] test nab_array::tests::test_broadcast_addition ... ok
[INFO] [stdout] test nab_array::tests::test_cumsum ... ok
[INFO] [stdout] test nab_array::tests::test_divide ... ok
[INFO] [stdout] test nab_array::tests::test_dot ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_addition ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_division_ref ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_addition_ref ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_subtraction ... ok
[INFO] [stdout] test nab_array::tests::test_combined_operations ... ok
[INFO] [stdout] test nab_array::tests::test_max_axis ... ok
[INFO] [stdout] test nab_array::tests::test_max ... ok
[INFO] [stdout] test nab_array::tests::test_median ... ok
[INFO] [stdout] test nab_array::tests::test_from_vec ... ok
[INFO] [stdout] test nab_array::tests::test_concatenate ... ok
[INFO] [stdout] test nab_array::tests::test_min_axis ... ok
[INFO] [stdout] test nab_array::tests::test_chained_operations ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_subtraction_ref ... ok
[INFO] [stdout] test nab_array::tests::test_multiply_scalar ... ok
[INFO] [stdout] test nab_array::tests::test_one_hot_encode ... ok
[INFO] [stdout] test nab_array::tests::test_new_ndarray ... ok
[INFO] [stdout] test nab_array::tests::test_mean ... ok
[INFO] [stdout] test nab_array::tests::test_add_scalar ... ok
[INFO] [stdout] test nab_array::tests::test_clip ... ok
[INFO] [stdout] test nab_array::tests::test_multiply ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_multiplication ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_multiplication_ref ... ok
[INFO] [stdout] test nab_array::tests::test_power ... ok
[INFO] [stdout] test nab_array::tests::test_subtract ... ok
[INFO] [stdout] test nab_array::tests::test_reshape ... ok
[INFO] [stdout] test nab_array::tests::test_sum ... ok
[INFO] [stdout] test nab_array::tests::test_map ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_addition ... ok
[INFO] [stdout] test nab_array::tests::test_sum_axis ... ok
[INFO] [stdout] test nab_array::tests::test_to_categorical ... ok
[INFO] [stdout] test nab_array::tests::test_unique ... ok
[INFO] [stdout] test nab_array::tests::test_sum_with_broadcasting ... ok
[INFO] [stdout] test nab_array::tests::test_zeros ... ok
[INFO] [stdout] test nab_layers::tests::test_activation_layer ... ok
[INFO] [stdout] test nab_layers::tests::test_batch_norm_layer ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_sub ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_operations ... ok
[INFO] [stdout] test nab_layers::tests::test_compute_output_shape ... ok
[INFO] [stdout] test nab_array::tests::test_std ... ok
[INFO] [stdout] test nab_array::tests::test_round ... ok
[INFO] [stdout] test nab_array::tests::test_rand_uniform ... ok
[INFO] [stdout] test nab_array::tests::test_one_hot_encode_negative ... ok
[INFO] [stdout] test nab_array::tests::test_log ... ok
[INFO] [stdout] test nab_layers::tests::test_dropout_layer ... ok
[INFO] [stdout] test nab_layers::tests::test_dense_layer_with_activation ... ok
[INFO] [stdout] test nab_loss::tests::test_cross_entropy_loss ... ok
[INFO] [stdout] test nab_loss::tests::test_mean_squared_error ... ok
[INFO] [stdout] test nab_math::tests::test_elu ... ok
[INFO] [stdout] test nab_layers::tests::test_flatten_layer ... ok
[INFO] [stdout] test nab_math::tests::test_exp ... ok
[INFO] [stdout] test nab_math::tests::test_elu_derivative ... ok
[INFO] [stdout] test nab_math::tests::test_leaky_relu ... ok
[INFO] [stdout] test nab_math::tests::test_relu ... ok
[INFO] [stdout] test nab_array::tests::test_statistical_functions ... ok
[INFO] [stdout] test nab_math::tests::test_relu_derivative ... ok
[INFO] [stdout] test nab_math::tests::test_sigmoid_derivative ... ok
[INFO] [stdout] test nab_math::tests::test_softmax ... ok
[INFO] [stdout] test nab_layers::tests::test_input_layer ... ok
[INFO] [stdout] test nab_math::tests::test_softmax_derivative ... ok
[INFO] [stdout] test nab_math::tests::test_sqrt ... ok
[INFO] [stdout] test nab_math::tests::test_tanh ... ok
[INFO] [stdout] test nab_math::tests::test_tanh_derivative ... ok
[INFO] [stdout] test nab_model::tests::test_linear_regression ... ok
[INFO] [stdout] test nab_array::tests::test_where_cond ... ok
[INFO] [stdout] test nab_math::tests::test_sigmoid ... ok
[INFO] [stdout] test nab_array::tests::test_transpose ... ok
[INFO] [stdout] test nab_model::tests::test_mnist_full_pipeline ... ok
[INFO] [stdout] test nab_model::tests::test_input_shape ... ok
[INFO] [stdout] test nab_model::tests::test_model_summary ... ok
[INFO] [stdout] test nab_optimizers::tests::test_adam_update ... ok
[INFO] [stdout] test nab_array::tests::test_divide_scalar ... ok
[INFO] [stdout] test nab_optimizers::tests::test_sgd_update ... ok
[INFO] [stdout] test nab_utils::tests::test_normalize ... ok
[INFO] [stdout] test nab_utils::tests::test_savez_and_loadz_nab ... FAILED
[INFO] [stdout] test nab_regression::tests::test_linear_regression_multiple_features ... ok
[INFO] [stdout] test nabla::tests::test_linear_regression_nabla ... ok
[INFO] [stdout] test nab_regression::tests::test_linear_regression ... ok
[INFO] [stdout] test nab_utils::tests::test_save_and_load_nab ... FAILED
[INFO] [stdout] test nab_optimizers::tests::test_sgd_momentum ... ok
[INFO] [stdout] test nab_optimizers::tests::test_rmsprop_update ... ok
[INFO] [stdout] test nab_utils::tests::test_normalize_with_range ... ok
[INFO] [stdout] test nab_mnist::tests::test_mnist_load_and_split_dataset ... FAILED
[INFO] [stdout] test nab_mnist::tests::test_mnist_csv_to_nab_conversion ... FAILED
[INFO] [stdout] test nab_layers::tests::test_dense_layer ... ok
[INFO] [stdout] test nab_mnist::tests::test_extract_and_print_sample ... FAILED
[INFO] [stdout] test nab_array::tests::test_invalid_addition - should panic ... ok
[INFO] [stdout] test nab_array::tests::test_multiply_large ... ok
[INFO] [stdout] test nab_model::tests::test_model_save_load ... FAILED
[INFO] [stdout] test nab_array::tests::test_one_hot_encode_non_integer - should panic ... ok
[INFO] [stdout] test nab_mnist::tests::test_mnist_normalize ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- nab_utils::tests::test_savez_and_loadz_nab stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- nab_utils::tests::test_save_and_load_nab stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- nab_mnist::tests::test_mnist_load_and_split_dataset stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- nab_mnist::tests::test_mnist_csv_to_nab_conversion stdout ----
[INFO] [stdout] Starting test with CSV: csv/mnist_test.csv
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- nab_mnist::tests::test_extract_and_print_sample stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- nab_model::tests::test_model_save_load stdout ----
[INFO] [stdout] Connecting layer dense1 (id: 2) to input (id: 1)
[INFO] [stdout] Connecting layer dense2 (id: 3) to dense1 (id: 2)
[INFO] [stdout] Connecting layer output (id: 4) to dense2 (id: 3)
[INFO] [stdout] 
[INFO] [stdout] thread 'nab_model::tests::test_model_save_load' panicked at src/nab_model.rs:932:48:
[INFO] [stdout] Failed to save model: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x636328ec90d2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x636328ec90d2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x636328ec90d2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x636328ec90d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x636328eefe13 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x636328eefe13 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x636328ec61b3 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x636328ec61b3 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x636328ec8f22 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x636328eca6ec - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x636328eca542 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x636328e75134 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x636328e75134 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x636328ecb0cb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x636328ecb0cb - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x636328ecae9a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x636328ec95c9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x636328ecab2d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x636328eee5b0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x636328eee956 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x636328e15dbf - core::result::Result<T,E>::expect::h70ee85cd7601bc5a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1119:23
[INFO] [stdout]   21:     0x636328e15dbf - nabla_ml::nab_model::tests::test_model_save_load::hccfaffcc2a17b23a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/nab_model.rs:932:48
[INFO] [stdout]   22:     0x636328e27479 - nabla_ml::nab_model::tests::test_model_save_load::{{closure}}::h13ae6fa278e8de06
[INFO] [stdout]                                at /opt/rustwide/workdir/src/nab_model.rs:912:30
[INFO] [stdout]   23:     0x636328e27479 - core::ops::function::FnOnce::call_once::h7b0aeafba87d5bdd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x636328e7a8bb - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x636328e7a8bb - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x636328e79aae - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x636328e79aae - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x636328e79aae - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x636328e79aae - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x636328e79aae - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x636328e79aae - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x636328e79aae - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x636328e3d624 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x636328e3d624 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x636328e40ffa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x636328e40ffa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x636328e40ffa - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x636328e40ffa - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x636328e40ffa - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x636328e40ffa - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x636328e40ffa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x636328ece127 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x636328ece127 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x636328ece127 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x722a26683aa4 - <unknown>
[INFO] [stdout]   46:     0x722a26710a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     nab_mnist::tests::test_extract_and_print_sample
[INFO] [stdout]     nab_mnist::tests::test_mnist_csv_to_nab_conversion
[INFO] [stdout]     nab_mnist::tests::test_mnist_load_and_split_dataset
[INFO] [stdout]     nab_model::tests::test_model_save_load
[INFO] [stdout]     nab_utils::tests::test_save_and_load_nab
[INFO] [stdout]     nab_utils::tests::test_savez_and_loadz_nab
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 97 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "cffc96f39c276ca684abb19e599b66ccc316fd7bfc84af46ccf72c438cdcad98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cffc96f39c276ca684abb19e599b66ccc316fd7bfc84af46ccf72c438cdcad98", kill_on_drop: false }`
[INFO] [stdout] cffc96f39c276ca684abb19e599b66ccc316fd7bfc84af46ccf72c438cdcad98
