[INFO] fetching crate newron 0.5.1...
[INFO] testing newron-0.5.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate newron 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate newron 0.5.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate newron 0.5.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate newron 0.5.1
[INFO] tweaked toml for crates.io crate newron 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate newron 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b46de692d5b32fa9c4d36d9cca279c9705e4d128eae0007e2d70de0cb77995e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0b46de692d5b32fa9c4d36d9cca279c9705e4d128eae0007e2d70de0cb77995e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b46de692d5b32fa9c4d36d9cca279c9705e4d128eae0007e2d70de0cb77995e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b46de692d5b32fa9c4d36d9cca279c9705e4d128eae0007e2d70de0cb77995e", kill_on_drop: false }`
[INFO] [stdout] 0b46de692d5b32fa9c4d36d9cca279c9705e4d128eae0007e2d70de0cb77995e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7e3b13677fd64b145d4e70dfba7c75601c6f4a35eb7b23e420e9a3bf35a6ec7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c7e3b13677fd64b145d4e70dfba7c75601c6f4a35eb7b23e420e9a3bf35a6ec7", kill_on_drop: false }`
[INFO] [stderr]    Compiling newron v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils`
[INFO] [stdout]   --> src/sequential.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::utils;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/dataset.rs:89:34
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn from_csv(path: &Path, header: bool) -> Result<Dataset, DatasetError> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recall_score`
[INFO] [stdout]    --> src/sequential.rs:213:37
[INFO] [stdout]     |
[INFO] [stdout] 213 | ...                   let recall_score = cm.recall_score(class);
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recall_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision_score`
[INFO] [stdout]    --> src/sequential.rs:217:37
[INFO] [stdout]     |
[INFO] [stdout] 217 | ...                   let precision_score = cm.precision_score(class);
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f1_score`
[INFO] [stdout]    --> src/sequential.rs:221:37
[INFO] [stdout]     |
[INFO] [stdout] 221 | ...                   let f1_score = cm.f1_score(class);
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_f1_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rand_range`
[INFO] [stdout]   --> src/random.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn rand_range(&mut self, a: i32, b: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "c7e3b13677fd64b145d4e70dfba7c75601c6f4a35eb7b23e420e9a3bf35a6ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7e3b13677fd64b145d4e70dfba7c75601c6f4a35eb7b23e420e9a3bf35a6ec7", kill_on_drop: false }`
[INFO] [stdout] c7e3b13677fd64b145d4e70dfba7c75601c6f4a35eb7b23e420e9a3bf35a6ec7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2f58028236aeeaf0cd889d0df5520297544609135c0f7b09c7e5a266cc055a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a2f58028236aeeaf0cd889d0df5520297544609135c0f7b09c7e5a266cc055a9", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::utils`
[INFO] [stdout]   --> src/sequential.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::utils;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling newron v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/dataset.rs:89:34
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn from_csv(path: &Path, header: bool) -> Result<Dataset, DatasetError> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recall_score`
[INFO] [stdout]    --> src/sequential.rs:213:37
[INFO] [stdout]     |
[INFO] [stdout] 213 | ...                   let recall_score = cm.recall_score(class);
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recall_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision_score`
[INFO] [stdout]    --> src/sequential.rs:217:37
[INFO] [stdout]     |
[INFO] [stdout] 217 | ...                   let precision_score = cm.precision_score(class);
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f1_score`
[INFO] [stdout]    --> src/sequential.rs:221:37
[INFO] [stdout]     |
[INFO] [stdout] 221 | ...                   let f1_score = cm.f1_score(class);
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_f1_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rand_range`
[INFO] [stdout]   --> src/random.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn rand_range(&mut self, a: i32, b: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ColumnType`, `RowType`
[INFO] [stdout]  --> examples/linear_regression.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use newron::dataset::{RowType, Dataset, ColumnType};
[INFO] [stdout]   |                       ^^^^^^^           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils`
[INFO] [stdout]   --> src/sequential.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::utils;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/dataset.rs:89:34
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn from_csv(path: &Path, header: bool) -> Result<Dataset, DatasetError> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recall_score`
[INFO] [stdout]    --> src/sequential.rs:213:37
[INFO] [stdout]     |
[INFO] [stdout] 213 | ...                   let recall_score = cm.recall_score(class);
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recall_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision_score`
[INFO] [stdout]    --> src/sequential.rs:217:37
[INFO] [stdout]     |
[INFO] [stdout] 217 | ...                   let precision_score = cm.precision_score(class);
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f1_score`
[INFO] [stdout]    --> src/sequential.rs:221:37
[INFO] [stdout]     |
[INFO] [stdout] 221 | ...                   let f1_score = cm.f1_score(class);
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_f1_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rand_range`
[INFO] [stdout]   --> src/random.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn rand_range(&mut self, a: i32, b: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "a2f58028236aeeaf0cd889d0df5520297544609135c0f7b09c7e5a266cc055a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f58028236aeeaf0cd889d0df5520297544609135c0f7b09c7e5a266cc055a9", kill_on_drop: false }`
[INFO] [stdout] a2f58028236aeeaf0cd889d0df5520297544609135c0f7b09c7e5a266cc055a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4837e0a9e3f0eadd5ea0ce9bccf6c35fd5699d00873a2e87bccb08e35181d26
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c4837e0a9e3f0eadd5ea0ce9bccf6c35fd5699d00873a2e87bccb08e35181d26", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::utils`
[INFO] [stderr]   --> src/sequential.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::utils;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `header`
[INFO] [stderr]   --> src/dataset.rs:89:34
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn from_csv(path: &Path, header: bool) -> Result<Dataset, DatasetError> {
[INFO] [stderr]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils`
[INFO] [stderr]   --> src/sequential.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::utils;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `recall_score`
[INFO] [stderr]    --> src/sequential.rs:213:37
[INFO] [stderr]     |
[INFO] [stderr] 213 | ...                   let recall_score = cm.recall_score(class);
[INFO] [stderr]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recall_score`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `precision_score`
[INFO] [stderr]    --> src/sequential.rs:217:37
[INFO] [stderr]     |
[INFO] [stderr] 217 | ...                   let precision_score = cm.precision_score(class);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision_score`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `header`
[INFO] [stderr]   --> src/dataset.rs:89:34
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn from_csv(path: &Path, header: bool) -> Result<Dataset, DatasetError> {
[INFO] [stderr]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f1_score`
[INFO] [stderr]    --> src/sequential.rs:221:37
[INFO] [stderr]     |
[INFO] [stderr] 221 | ...                   let f1_score = cm.f1_score(class);
[INFO] [stderr]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_f1_score`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rand_range`
[INFO] [stderr]   --> src/random.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn rand_range(&mut self, a: i32, b: i32) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `recall_score`
[INFO] [stderr]    --> src/sequential.rs:213:37
[INFO] [stderr]     |
[INFO] [stderr] 213 | ...                   let recall_score = cm.recall_score(class);
[INFO] [stderr]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recall_score`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `precision_score`
[INFO] [stderr]    --> src/sequential.rs:217:37
[INFO] [stderr]     |
[INFO] [stderr] 217 | ...                   let precision_score = cm.precision_score(class);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision_score`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f1_score`
[INFO] [stderr]    --> src/sequential.rs:221:37
[INFO] [stderr]     |
[INFO] [stderr] 221 | ...                   let f1_score = cm.f1_score(class);
[INFO] [stderr]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_f1_score`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rand_range`
[INFO] [stderr]   --> src/random.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn rand_range(&mut self, a: i32, b: i32) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ColumnType`, `RowType`
[INFO] [stderr]  --> examples/linear_regression.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use newron::dataset::{RowType, Dataset, ColumnType};
[INFO] [stderr]   |                       ^^^^^^^           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/newron-f5098152064de068
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/categorical_entropy-a791c1c826c4613f
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test categorical_entropy_tests::test_categorical_entropy_loss ... ok
[INFO] [stdout] test categorical_entropy_tests::test_categorical_entropy_loss_grad ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dataset-993d9a7bc07f278f
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test dataset_tests::test_dataset_debug_trait ... ok
[INFO] [stdout] test dataset_tests::test_load_csv ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- dataset_tests::test_load_csv stdout ----
[INFO] [stdout] thread 'dataset_tests::test_load_csv' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/dataset.rs:92:43
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ba0d0a8840 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55ba0d0a8840 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55ba0d0a8840 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55ba0d0a8840 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55ba0d0cc76c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x55ba0d031545 - std::io::Write::write_fmt::h50a71e2460ce07da
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x55ba0d0a35b1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h9bbd3fed8160d0d2
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/impls.rs:176
[INFO] [stdout]    7:     0x55ba0d0aacc0 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x55ba0d0aacc0 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x55ba0d0aacc0 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]   10:     0x55ba0d0aa9b6 - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:216
[INFO] [stdout]   11:     0x55ba0d0ab323 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   12:     0x55ba0d0aaef9 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   13:     0x55ba0d0a8ccc - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x55ba0d0aaeb9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   15:     0x55ba0d0cb021 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stdout]   16:     0x55ba0d0cae43 - core::option::expect_none_failed::h448b58a024c2c33a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/option.rs:1221
[INFO] [stdout]   17:     0x55ba0d08854b - core::result::Result<T,E>::unwrap::h9dbb2a2281d5e76c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/result.rs:973
[INFO] [stdout]   18:     0x55ba0d084ec5 - newron::dataset::Dataset::from_csv::hed9f994635db6456
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dataset.rs:92
[INFO] [stdout]   19:     0x55ba0d02e7ff - dataset::dataset_tests::test_load_csv::he4defff2d97196bd
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/dataset.rs:32
[INFO] [stdout]   20:     0x55ba0d02e78a - dataset::dataset_tests::test_load_csv::{{closure}}::h978b906da7571d27
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/dataset.rs:31
[INFO] [stdout]   21:     0x55ba0d0301fe - core::ops::function::FnOnce::call_once::hf628c4827ee5561a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   22:     0x55ba0d059e23 - core::ops::function::FnOnce::call_once::hd04d57b5cf16f85a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   23:     0x55ba0d059e23 - test::__rust_begin_short_backtrace::hd8e9a8c5a2e43388
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:517
[INFO] [stdout]   24:     0x55ba0d0582f3 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3c3db8a500c1a19a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   25:     0x55ba0d0582f3 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h043e9ebcbe360c80
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   26:     0x55ba0d0582f3 - std::panicking::try::do_call::h47c2fb275506c2e8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   27:     0x55ba0d0582f3 - std::panicking::try::h569c20f0e99453b4
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   28:     0x55ba0d0582f3 - std::panic::catch_unwind::hb33c6d0f01540d23
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   29:     0x55ba0d0582f3 - test::run_test_in_process::hc0ce562d167e51cf
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:544
[INFO] [stdout]   30:     0x55ba0d0582f3 - test::run_test::run_test_inner::{{closure}}::hd3120982fcd71544
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:450
[INFO] [stdout]   31:     0x55ba0d030976 - std::sys_common::backtrace::__rust_begin_short_backtrace::h84f8bc12cc4cdac6
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   32:     0x55ba0d035ba5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb8b5fa0ba425d4db
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stdout]   33:     0x55ba0d035ba5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc4b84b244cf55f75
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   34:     0x55ba0d035ba5 - std::panicking::try::do_call::ha31922ad8fa17753
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   35:     0x55ba0d035ba5 - std::panicking::try::h38a6da203722ae6e
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   36:     0x55ba0d035ba5 - std::panic::catch_unwind::h83afce167c9062b9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   37:     0x55ba0d035ba5 - std::thread::Builder::spawn_unchecked::{{closure}}::h160689155590a70c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stdout]   38:     0x55ba0d035ba5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7dbf17a455132a46
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   39:     0x55ba0d0b1b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   40:     0x55ba0d0b1b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   41:     0x55ba0d0b1b0a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   42:     0x7fc44f09e609 - start_thread
[INFO] [stdout]   43:     0x7fc44efaa103 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     dataset_tests::test_load_csv
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test dataset'
[INFO] running `Command { std: "docker" "inspect" "c4837e0a9e3f0eadd5ea0ce9bccf6c35fd5699d00873a2e87bccb08e35181d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4837e0a9e3f0eadd5ea0ce9bccf6c35fd5699d00873a2e87bccb08e35181d26", kill_on_drop: false }`
[INFO] [stdout] c4837e0a9e3f0eadd5ea0ce9bccf6c35fd5699d00873a2e87bccb08e35181d26
