[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#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenricozanardo%2Fnabla" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/enricozanardo/nabla on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "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" "+f9988fefd3add01f414f52b414308e7872622fee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36155d04094aa7a0166b57e55ef28ff6aa2b2917d14b09f7250065bae6281a8c
[INFO] running `Command { std: "docker" "start" "-a" "36155d04094aa7a0166b57e55ef28ff6aa2b2917d14b09f7250065bae6281a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36155d04094aa7a0166b57e55ef28ff6aa2b2917d14b09f7250065bae6281a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36155d04094aa7a0166b57e55ef28ff6aa2b2917d14b09f7250065bae6281a8c", kill_on_drop: false }`
[INFO] [stdout] 36155d04094aa7a0166b57e55ef28ff6aa2b2917d14b09f7250065bae6281a8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a59bb617d3dacb67d4d84ee28fb0d7752fd079b71ec7f91e01d5c7f8f593877
[INFO] running `Command { std: "docker" "start" "-a" "9a59bb617d3dacb67d4d84ee28fb0d7752fd079b71ec7f91e01d5c7f8f593877", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling syn v2.0.94
[INFO] [stderr]    Compiling miniz_oxide v0.8.2
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rayon v1.10.0
[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 csv v1.3.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling nabla-ml v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `row_count` is never read
[INFO] [stdout]    --> src/nab_utils.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             row_count += 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.29s
[INFO] running `Command { std: "docker" "inspect" "9a59bb617d3dacb67d4d84ee28fb0d7752fd079b71ec7f91e01d5c7f8f593877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a59bb617d3dacb67d4d84ee28fb0d7752fd079b71ec7f91e01d5c7f8f593877", kill_on_drop: false }`
[INFO] [stdout] 9a59bb617d3dacb67d4d84ee28fb0d7752fd079b71ec7f91e01d5c7f8f593877
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6a863288a7cf5562c6dc3d5d197175f0ebd229638a530e6e8463c4433153d80
[INFO] running `Command { std: "docker" "start" "-a" "a6a863288a7cf5562c6dc3d5d197175f0ebd229638a530e6e8463c4433153d80", kill_on_drop: false }`
[INFO] [stderr]    Compiling nabla-ml v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `row_count` is never read
[INFO] [stdout]    --> src/nab_utils.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             row_count += 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `row_count` is never read
[INFO] [stdout]    --> src/nab_utils.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             row_count += 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "a6a863288a7cf5562c6dc3d5d197175f0ebd229638a530e6e8463c4433153d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a863288a7cf5562c6dc3d5d197175f0ebd229638a530e6e8463c4433153d80", kill_on_drop: false }`
[INFO] [stdout] a6a863288a7cf5562c6dc3d5d197175f0ebd229638a530e6e8463c4433153d80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c11e7a5739b586f308e03795f7754e832da511850fb9ea281abd2be58b26940
[INFO] running `Command { std: "docker" "start" "-a" "9c11e7a5739b586f308e03795f7754e832da511850fb9ea281abd2be58b26940", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `row_count` is never read
[INFO] [stderr]    --> src/nab_utils.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |             row_count += 1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nabla-ml` (lib) generated 1 warning
[INFO] [stderr] warning: `nabla-ml` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nabla_ml-135fb352f3a31f78)
[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_sigmoid_forward_backward ... ok
[INFO] [stdout] test nab_activations::tests::test_relu_forward_backward ... ok
[INFO] [stdout] test nab_array::tests::test_abs ... ok
[INFO] [stdout] test nab_activations::tests::test_tanh_forward_backward ... ok
[INFO] [stdout] test nab_array::tests::test_arange ... ok
[INFO] [stdout] test nab_array::tests::test_chained_operations ... ok
[INFO] [stdout] test nab_array::tests::test_clip ... ok
[INFO] [stdout] test nab_array::tests::test_combined_operations ... ok
[INFO] [stdout] test nab_array::tests::test_add_scalar ... ok
[INFO] [stdout] test nab_array::tests::test_cumsum ... ok
[INFO] [stdout] test nab_array::tests::test_concatenate ... ok
[INFO] [stdout] test nab_activations::tests::test_softmax_forward_backward ... ok
[INFO] [stdout] test nab_array::tests::test_argmax ... ok
[INFO] [stdout] test nab_array::tests::test_argsort ... ok
[INFO] [stdout] test nab_array::tests::test_broadcast_addition ... ok
[INFO] [stdout] test nab_array::tests::test_divide ... ok
[INFO] [stdout] test nab_array::tests::test_divide_scalar ... 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_subtraction_ref ... ok
[INFO] [stdout] test nab_array::tests::test_from_vec ... ok
[INFO] [stdout] test nab_array::tests::test_log ... ok
[INFO] [stdout] test nab_array::tests::test_map ... ok
[INFO] [stdout] test nab_array::tests::test_max ... ok
[INFO] [stdout] test nab_array::tests::test_max_axis ... ok
[INFO] [stdout] test nab_array::tests::test_mean ... ok
[INFO] [stdout] test nab_array::tests::test_median ... ok
[INFO] [stdout] test nab_array::tests::test_min_axis ... ok
[INFO] [stdout] test nab_array::tests::test_multiply ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_addition_ref ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_division_ref ... ok
[INFO] [stdout] test nab_array::tests::test_new_ndarray ... ok
[INFO] [stdout] test nab_array::tests::test_one_hot_encode_negative ... ok
[INFO] [stdout] test nab_array::tests::test_one_hot_encode ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_multiplication_ref ... ok
[INFO] [stdout] test nab_array::tests::test_multiply_scalar ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_subtraction ... ok
[INFO] [stdout] test nab_array::tests::test_reshape ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_addition ... 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_statistical_functions ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_operations ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_sub ... ok
[INFO] [stdout] test nab_array::tests::test_subtract ... ok
[INFO] [stdout] test nab_array::tests::test_sum ... ok
[INFO] [stdout] test nab_array::tests::test_sum_axis ... 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_transpose ... ok
[INFO] [stdout] test nab_array::tests::test_unique ... ok
[INFO] [stdout] test nab_array::tests::test_where_cond ... ok
[INFO] [stdout] test nab_array::tests::test_zeros ... 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_power ... ok
[INFO] [stdout] test nab_array::tests::test_rand_uniform ... ok
[INFO] [stdout] test nab_array::tests::test_std ... ok
[INFO] [stdout] test nab_layers::tests::test_flatten_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_layers::tests::test_dropout_layer ... ok
[INFO] [stdout] test nab_math::tests::test_elu_derivative ... ok
[INFO] [stdout] test nab_math::tests::test_exp ... ok
[INFO] [stdout] test nab_math::tests::test_leaky_relu ... 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_relu_derivative ... 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_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_math::tests::test_sigmoid_derivative ... ok
[INFO] [stdout] test nab_math::tests::test_sigmoid ... ok
[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_array::tests::test_one_hot_encode_non_integer - should panic ... ok
[INFO] [stdout] test nab_model::tests::test_linear_regression ... ok
[INFO] [stdout] test nab_model::tests::test_mnist_full_pipeline ... ok
[INFO] [stdout] test nab_model::tests::test_model_save_load ... FAILED
[INFO] [stdout] test nab_model::tests::test_model_summary ... ok
[INFO] [stdout] test nab_model::tests::test_input_shape ... ok
[INFO] [stdout] test nab_optimizers::tests::test_adam_update ... ok
[INFO] [stdout] test nab_optimizers::tests::test_rmsprop_update ... 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_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_utils::tests::test_savez_and_loadz_nab ... FAILED
[INFO] [stdout] test nabla::tests::test_linear_regression_nabla ... ok
[INFO] [stdout] test nab_mnist::tests::test_mnist_load_and_split_dataset ... FAILED
[INFO] [stdout] test nab_layers::tests::test_compute_output_shape ... ok
[INFO] [stdout] test nab_regression::tests::test_linear_regression ... ok
[INFO] [stdout] test nab_mnist::tests::test_extract_and_print_sample ... FAILED
[INFO] [stdout] test nab_mnist::tests::test_mnist_csv_to_nab_conversion ... FAILED
[INFO] [stdout] test nab_mnist::tests::test_mnist_normalize ... ok
[INFO] [stdout] test nab_layers::tests::test_dense_layer ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[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' (116) 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:     0x5ac81088d26a - std[1209cfb42f6d497f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ac81088d26a - std[1209cfb42f6d497f]::backtrace_rs::backtrace::trace_unsynchronized::<std[1209cfb42f6d497f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ac81088d26a - std[1209cfb42f6d497f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5ac81088d26a - <<std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[4a92201981c6b77a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5ac8108a246a - <core[4a92201981c6b77a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5ac8108a246a - core[4a92201981c6b77a]::fmt::write
[INFO] [stdout]    6:     0x5ac810891b22 - std[1209cfb42f6d497f]::io::default_write_fmt::<alloc[420bb310a727dfd7]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5ac810891b22 - <alloc[420bb310a727dfd7]::vec::Vec<u8> as std[1209cfb42f6d497f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5ac81086b47f - <std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5ac81086b47f - std[1209cfb42f6d497f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5ac8108854e9 - std[1209cfb42f6d497f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5ac81076fbec - <alloc[420bb310a727dfd7]::boxed::Box<dyn for<'a, 'b> core[4a92201981c6b77a]::ops::function::Fn<(&'a std[1209cfb42f6d497f]::panic::PanicHookInfo<'b>,), Output = ()> + core[4a92201981c6b77a]::marker::Sync + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::Fn<(&std[1209cfb42f6d497f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x5ac81076fbec - test[59e67a9bc0e119f1]::test_main_inner::<test[59e67a9bc0e119f1]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5ac810885762 - <alloc[420bb310a727dfd7]::boxed::Box<dyn for<'a, 'b> core[4a92201981c6b77a]::ops::function::Fn<(&'a std[1209cfb42f6d497f]::panic::PanicHookInfo<'b>,), Output = ()> + core[4a92201981c6b77a]::marker::Sync + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::Fn<(&std[1209cfb42f6d497f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x5ac810885762 - std[1209cfb42f6d497f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5ac81086b538 - std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5ac810860669 - std[1209cfb42f6d497f]::sys::backtrace::__rust_end_short_backtrace::<std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5ac81086c24d - __rustc[4effac393e9f3da6]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5ac8108a2bfc - core[4a92201981c6b77a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ac8108a2972 - core[4a92201981c6b77a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5ac81075005c - <core[4a92201981c6b77a]::result::Result<(), std[1209cfb42f6d497f]::io::error::Error>>::expect
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5ac81070e960 - nabla_ml[20825692b3272435]::nab_model::tests::test_model_save_load
[INFO] [stdout]                                at /opt/rustwide/workdir/src/nab_model.rs:932:48
[INFO] [stdout]   22:     0x5ac8107061d7 - nabla_ml[20825692b3272435]::nab_model::tests::test_model_save_load::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/nab_model.rs:912:30
[INFO] [stdout]   23:     0x5ac81074a7d6 - <nabla_ml[20825692b3272435]::nab_model::tests::test_model_save_load::{closure#0} as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ac810762ecb - <fn() -> core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5ac810762ecb - test[59e67a9bc0e119f1]::__rust_begin_short_backtrace::<core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>, fn() -> core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5ac8107706bb - test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5ac8107706bb - <core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5ac8107706bb - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>, core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5ac8107706bb - std[1209cfb42f6d497f]::panicking::catch_unwind::<core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>, core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5ac8107706bb - std[1209cfb42f6d497f]::panic::catch_unwind::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>, core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5ac8107706bb - test[59e67a9bc0e119f1]::run_test_in_process
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5ac8107706bb - test[59e67a9bc0e119f1]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5ac810769dd4 - test[59e67a9bc0e119f1]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5ac810769dd4 - std[1209cfb42f6d497f]::sys::backtrace::__rust_begin_short_backtrace::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5ac8107732c2 - std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5ac8107732c2 - <core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5ac8107732c2 - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5ac8107732c2 - std[1209cfb42f6d497f]::panicking::catch_unwind::<(), core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5ac8107732c2 - std[1209cfb42f6d497f]::panic::catch_unwind::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5ac8107732c2 - std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5ac8107732c2 - <std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1} as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5ac81088cb6f - <alloc[420bb310a727dfd7]::boxed::Box<dyn core[4a92201981c6b77a]::ops::function::FnOnce<(), Output = ()> + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x5ac81088cb6f - <std[1209cfb42f6d497f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7f22b30a1aa4 - <unknown>
[INFO] [stdout]   45:     0x7f22b312ea64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[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_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_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] 
[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 1.41s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "9c11e7a5739b586f308e03795f7754e832da511850fb9ea281abd2be58b26940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c11e7a5739b586f308e03795f7754e832da511850fb9ea281abd2be58b26940", kill_on_drop: false }`
[INFO] [stdout] 9c11e7a5739b586f308e03795f7754e832da511850fb9ea281abd2be58b26940
