[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#733b47ea4b1b86216f14ef56e49440c33933f230+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-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/enricozanardo/nabla on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac919d378dee100e84411bc9f3659579434017b6fd9d292440aa8978d8b3a555
[INFO] running `Command { std: "docker" "start" "-a" "ac919d378dee100e84411bc9f3659579434017b6fd9d292440aa8978d8b3a555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac919d378dee100e84411bc9f3659579434017b6fd9d292440aa8978d8b3a555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac919d378dee100e84411bc9f3659579434017b6fd9d292440aa8978d8b3a555", kill_on_drop: false }`
[INFO] [stdout] ac919d378dee100e84411bc9f3659579434017b6fd9d292440aa8978d8b3a555
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 498025ecd47bba24f75609bf3c6d6510ee79420796fbbd48e77381e16e41b7c6
[INFO] running `Command { std: "docker" "start" "-a" "498025ecd47bba24f75609bf3c6d6510ee79420796fbbd48e77381e16e41b7c6", 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 num-traits v0.2.19
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling either v1.13.0
[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 52.16s
[INFO] running `Command { std: "docker" "inspect" "498025ecd47bba24f75609bf3c6d6510ee79420796fbbd48e77381e16e41b7c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498025ecd47bba24f75609bf3c6d6510ee79420796fbbd48e77381e16e41b7c6", kill_on_drop: false }`
[INFO] [stdout] 498025ecd47bba24f75609bf3c6d6510ee79420796fbbd48e77381e16e41b7c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b03694c2c355463476822eb6c236bdd8121eb2d37ccc927ddb23eab77239825
[INFO] running `Command { std: "docker" "start" "-a" "3b03694c2c355463476822eb6c236bdd8121eb2d37ccc927ddb23eab77239825", 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 12.02s
[INFO] running `Command { std: "docker" "inspect" "3b03694c2c355463476822eb6c236bdd8121eb2d37ccc927ddb23eab77239825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b03694c2c355463476822eb6c236bdd8121eb2d37ccc927ddb23eab77239825", kill_on_drop: false }`
[INFO] [stdout] 3b03694c2c355463476822eb6c236bdd8121eb2d37ccc927ddb23eab77239825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14ac1fe8ff7838f9405042c4ca1be18f5cc2965f2e6858c507d9f6391e242f98
[INFO] running `Command { std: "docker" "start" "-a" "14ac1fe8ff7838f9405042c4ca1be18f5cc2965f2e6858c507d9f6391e242f98", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[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_leaky_relu_forward_backward ... ok
[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_array::tests::test_abs ... ok
[INFO] [stdout] test nab_array::tests::test_argmax ... ok
[INFO] [stdout] test nab_activations::tests::test_softmax_forward_backward ... ok
[INFO] [stdout] test nab_activations::tests::test_tanh_forward_backward ... ok
[INFO] [stdout] test nab_array::tests::test_add_scalar ... 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_argsort ... ok
[INFO] [stdout] test nab_array::tests::test_chained_operations ... ok
[INFO] [stdout] test nab_array::tests::test_divide_scalar ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_addition_ref ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_multiplication_ref ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_subtraction ... ok
[INFO] [stdout] test nab_array::tests::test_from_vec ... ok
[INFO] [stdout] test nab_array::tests::test_map ... ok
[INFO] [stdout] test nab_array::tests::test_combined_operations ... 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_max ... ok
[INFO] [stdout] test nab_array::tests::test_mean ... ok
[INFO] [stdout] test nab_array::tests::test_dot ... ok
[INFO] [stdout] test nab_array::tests::test_median ... ok
[INFO] [stdout] test nab_array::tests::test_multiply ... ok
[INFO] [stdout] test nab_array::tests::test_min_axis ... 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_max_axis ... ok
[INFO] [stdout] test nab_array::tests::test_multiply_scalar ... ok
[INFO] [stdout] test nab_array::tests::test_rand_uniform ... ok
[INFO] [stdout] test nab_array::tests::test_log ... ok
[INFO] [stdout] test nab_array::tests::test_reshape ... ok
[INFO] [stdout] test nab_array::tests::test_concatenate ... ok
[INFO] [stdout] test nab_array::tests::test_divide ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_operations ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_addition ... ok
[INFO] [stdout] test nab_array::tests::test_one_hot_encode_negative ... ok
[INFO] [stdout] test nab_array::tests::test_round ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_multiplication ... ok
[INFO] [stdout] test nab_array::tests::test_power ... ok
[INFO] [stdout] test nab_array::tests::test_arange ... ok
[INFO] [stdout] test nab_array::tests::test_clip ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_subtraction_ref ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_sub ... ok
[INFO] [stdout] test nab_array::tests::test_transpose ... ok
[INFO] [stdout] test nab_array::tests::test_std ... ok
[INFO] [stdout] test nab_array::tests::test_subtract ... ok
[INFO] [stdout] test nab_layers::tests::test_batch_norm_layer ... ok
[INFO] [stdout] test nab_layers::tests::test_activation_layer ... ok
[INFO] [stdout] test nab_array::tests::test_sum_with_broadcasting ... ok
[INFO] [stdout] test nab_array::tests::test_to_categorical ... ok
[INFO] [stdout] test nab_array::tests::test_where_cond ... ok
[INFO] [stdout] test nab_array::tests::test_zeros ... ok
[INFO] [stdout] test nab_array::tests::test_sum ... ok
[INFO] [stdout] test nab_array::tests::test_statistical_functions ... ok
[INFO] [stdout] test nab_layers::tests::test_dense_layer_with_activation ... ok
[INFO] [stdout] test nab_layers::tests::test_flatten_layer ... ok
[INFO] [stdout] test nab_math::tests::test_elu_derivative ... ok
[INFO] [stdout] test nab_layers::tests::test_dropout_layer ... ok
[INFO] [stdout] test nab_array::tests::test_sum_axis ... ok
[INFO] [stdout] test nab_math::tests::test_sigmoid ... ok
[INFO] [stdout] test nab_math::tests::test_sigmoid_derivative ... ok
[INFO] [stdout] test nab_loss::tests::test_cross_entropy_loss ... ok
[INFO] [stdout] test nab_math::tests::test_softmax_derivative ... ok
[INFO] [stdout] test nab_loss::tests::test_mean_squared_error ... ok
[INFO] [stdout] test nab_math::tests::test_sqrt ... ok
[INFO] [stdout] test nab_math::tests::test_tanh_derivative ... ok
[INFO] [stdout] test nab_math::tests::test_elu ... ok
[INFO] [stdout] test nab_math::tests::test_relu ... ok
[INFO] [stdout] test nab_math::tests::test_exp ... ok
[INFO] [stdout] test nab_layers::tests::test_input_layer ... ok
[INFO] [stdout] test nab_math::tests::test_softmax ... ok
[INFO] [stdout] test nab_math::tests::test_tanh ... ok
[INFO] [stdout] test nab_layers::tests::test_compute_output_shape ... ok
[INFO] [stdout] test nab_math::tests::test_leaky_relu ... ok
[INFO] [stdout] test nab_math::tests::test_relu_derivative ... ok
[INFO] [stdout] test nab_array::tests::test_unique ... ok
[INFO] [stdout] test nab_model::tests::test_mnist_full_pipeline ... ok
[INFO] [stdout] test nab_model::tests::test_linear_regression ... 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_rmsprop_update ... ok
[INFO] [stdout] test nab_regression::tests::test_linear_regression_multiple_features ... ok
[INFO] [stdout] test nab_utils::tests::test_normalize ... ok
[INFO] [stdout] test nab_utils::tests::test_normalize_with_range ... ok
[INFO] [stdout] test nab_utils::tests::test_save_and_load_nab ... FAILED
[INFO] [stdout] test nab_optimizers::tests::test_adam_update ... ok
[INFO] [stdout] test nab_utils::tests::test_savez_and_loadz_nab ... FAILED
[INFO] [stdout] test nab_regression::tests::test_linear_regression ... ok
[INFO] [stdout] test nabla::tests::test_linear_regression_nabla ... ok
[INFO] [stdout] test nab_optimizers::tests::test_sgd_update ... ok
[INFO] [stdout] test nab_optimizers::tests::test_sgd_momentum ... ok
[INFO] [stdout] test nab_mnist::tests::test_extract_and_print_sample ... FAILED
[INFO] [stdout] test nab_layers::tests::test_dense_layer ... ok
[INFO] [stdout] test nab_mnist::tests::test_mnist_csv_to_nab_conversion ... FAILED
[INFO] [stdout] test nab_array::tests::test_invalid_addition - should panic ... ok
[INFO] [stdout] test nab_mnist::tests::test_mnist_load_and_split_dataset ... FAILED
[INFO] [stdout] test nab_array::tests::test_one_hot_encode_non_integer - 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_mnist::tests::test_mnist_normalize ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[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_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_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_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_mnist_load_and_split_dataset 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:     0x5f873a940c82 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f873a940c82 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f873a940c82 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5f873a940c82 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5f873a9679f3 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5f873a9679f3 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5f873a93db13 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f873a93db13 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5f873a940ad2 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5f873a94229c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5f873a9420f2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5f873a8ec5f4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5f873a8ec5f4 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f873a942c7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5f873a942c7b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5f873a942a4a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5f873a941179 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5f873a9426dd - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5f873a966190 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5f873a966536 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x5f873a88d27f - core::result::Result<T,E>::expect::hcb909a1d83021fb8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1119:23
[INFO] [stdout]   21:     0x5f873a88d27f - nabla_ml::nab_model::tests::test_model_save_load::hc68fde7170870a22
[INFO] [stdout]                                at /opt/rustwide/workdir/src/nab_model.rs:932:48
[INFO] [stdout]   22:     0x5f873a89eb39 - nabla_ml::nab_model::tests::test_model_save_load::{{closure}}::h6876721cb65c1aab
[INFO] [stdout]                                at /opt/rustwide/workdir/src/nab_model.rs:912:30
[INFO] [stdout]   23:     0x5f873a89eb39 - core::ops::function::FnOnce::call_once::ha6099f5fa777e3e6
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5f873a8f1d2b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5f873a8f1d2b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5f873a8f0f6e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5f873a8f0f6e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5f873a8f0f6e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5f873a8f0f6e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5f873a8f0f6e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5f873a8f0f6e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5f873a8f0f6e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5f873a8b4b14 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5f873a8b4b14 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x5f873a8b84ba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5f873a8b84ba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5f873a8b84ba - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5f873a8b84ba - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5f873a8b84ba - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5f873a8b84ba - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5f873a8b84ba - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5f873a945cd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5f873a945cd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5f873a945cd7 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7db6fcc52aa4 - <unknown>
[INFO] [stdout]   46:     0x7db6fccdfa34 - 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 0.18s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "14ac1fe8ff7838f9405042c4ca1be18f5cc2965f2e6858c507d9f6391e242f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ac1fe8ff7838f9405042c4ca1be18f5cc2965f2e6858c507d9f6391e242f98", kill_on_drop: false }`
[INFO] [stdout] 14ac1fe8ff7838f9405042c4ca1be18f5cc2965f2e6858c507d9f6391e242f98
