[INFO] cloning repository https://github.com/hfytr/MachineLearning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hfytr/MachineLearning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfytr%2FMachineLearning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfytr%2FMachineLearning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 686c2901f804cdeee79deb2e22c5bf0ace8c890c
[INFO] testing hfytr/MachineLearning 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%2Fhfytr%2FMachineLearning" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hfytr/MachineLearning
[INFO] finished tweaking git repo https://github.com/hfytr/MachineLearning
[INFO] tweaked toml for git repo https://github.com/hfytr/MachineLearning written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hfytr/MachineLearning 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/hfytr/MachineLearning 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 70dc68e9b2c73284bff50dba6b848536570ddb2761c06abc3e9679ce1ceb67c7
[INFO] running `Command { std: "docker" "start" "-a" "70dc68e9b2c73284bff50dba6b848536570ddb2761c06abc3e9679ce1ceb67c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70dc68e9b2c73284bff50dba6b848536570ddb2761c06abc3e9679ce1ceb67c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70dc68e9b2c73284bff50dba6b848536570ddb2761c06abc3e9679ce1ceb67c7", kill_on_drop: false }`
[INFO] [stdout] 70dc68e9b2c73284bff50dba6b848536570ddb2761c06abc3e9679ce1ceb67c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bf9f164e974c3434f1f0c6cbcc0956be7ecf511fdcc1eb46dcb239a4df280b9f
[INFO] running `Command { std: "docker" "start" "-a" "bf9f164e974c3434f1f0c6cbcc0956be7ecf511fdcc1eb46dcb239a4df280b9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `integer_encode`, `unique_values`, and `string_with_accuracy` are never used
[INFO] [stdout]    --> src/data.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 21  | impl Dataset {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 165 |     fn integer_encode(&mut self, col: &String) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |     fn unique_values(&self, col_name: &str, accuracy: i32) -> Option<Vec<DataType>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 228 |     fn string_with_accuracy(x: f64, accuracy: i32) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/algebra/matrix.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn slice_row(&self, i: usize) -> MatSlice<T> {
[INFO] [stdout]     |                      ^^^^^               ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn slice_row(&self, i: usize) -> MatSlice<'_, T> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/algebra/matrix.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn to_slice(&self) -> MatSlice<T> {
[INFO] [stdout]     |                     ^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn to_slice(&self) -> MatSlice<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.60s
[INFO] running `Command { std: "docker" "inspect" "bf9f164e974c3434f1f0c6cbcc0956be7ecf511fdcc1eb46dcb239a4df280b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9f164e974c3434f1f0c6cbcc0956be7ecf511fdcc1eb46dcb239a4df280b9f", kill_on_drop: false }`
[INFO] [stdout] bf9f164e974c3434f1f0c6cbcc0956be7ecf511fdcc1eb46dcb239a4df280b9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c0c69c50d26015b21e794aad35a3b05775a02845b871457ada1ed69907a54a66
[INFO] running `Command { std: "docker" "start" "-a" "c0c69c50d26015b21e794aad35a3b05775a02845b871457ada1ed69907a54a66", kill_on_drop: false }`
[INFO] [stdout] warning: associated items `integer_encode`, `unique_values`, and `string_with_accuracy` are never used
[INFO] [stdout]    --> src/data.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 21  | impl Dataset {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 165 |     fn integer_encode(&mut self, col: &String) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |     fn unique_values(&self, col_name: &str, accuracy: i32) -> Option<Vec<DataType>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 228 |     fn string_with_accuracy(x: f64, accuracy: i32) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/algebra/matrix.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn slice_row(&self, i: usize) -> MatSlice<T> {
[INFO] [stdout]     |                      ^^^^^               ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn slice_row(&self, i: usize) -> MatSlice<'_, T> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/algebra/matrix.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn to_slice(&self) -> MatSlice<T> {
[INFO] [stdout]     |                     ^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn to_slice(&self) -> MatSlice<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print_mat`
[INFO] [stdout]  --> tests/feedforward.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use ml::algebra::{print_mat, Matrix};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `integer_encode`, `unique_values`, and `string_with_accuracy` are never used
[INFO] [stdout]    --> src/data.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 21  | impl Dataset {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 165 |     fn integer_encode(&mut self, col: &String) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |     fn unique_values(&self, col_name: &str, accuracy: i32) -> Option<Vec<DataType>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 228 |     fn string_with_accuracy(x: f64, accuracy: i32) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/algebra/matrix.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn slice_row(&self, i: usize) -> MatSlice<T> {
[INFO] [stdout]     |                      ^^^^^               ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn slice_row(&self, i: usize) -> MatSlice<'_, T> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/algebra/matrix.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn to_slice(&self) -> MatSlice<T> {
[INFO] [stdout]     |                     ^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn to_slice(&self) -> MatSlice<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "c0c69c50d26015b21e794aad35a3b05775a02845b871457ada1ed69907a54a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c69c50d26015b21e794aad35a3b05775a02845b871457ada1ed69907a54a66", kill_on_drop: false }`
[INFO] [stdout] c0c69c50d26015b21e794aad35a3b05775a02845b871457ada1ed69907a54a66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 048f014efcf3e64d5355e416efbe1aadc5eb264b4c19810d3341048b858d4091
[INFO] running `Command { std: "docker" "start" "-a" "048f014efcf3e64d5355e416efbe1aadc5eb264b4c19810d3341048b858d4091", kill_on_drop: false }`
[INFO] [stderr] warning: associated items `integer_encode`, `unique_values`, and `string_with_accuracy` are never used
[INFO] [stderr]    --> src/data.rs:165:8
[INFO] [stderr]     |
[INFO] [stderr] 21  | impl Dataset {
[INFO] [stderr]     | ------------ associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 165 |     fn integer_encode(&mut self, col: &String) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 201 |     fn unique_values(&self, col_name: &str, accuracy: i32) -> Option<Vec<DataType>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 228 |     fn string_with_accuracy(x: f64, accuracy: i32) -> String {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/algebra/matrix.rs:118:22
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn slice_row(&self, i: usize) -> MatSlice<T> {
[INFO] [stderr]     |                      ^^^^^               ----------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn slice_row(&self, i: usize) -> MatSlice<'_, T> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/algebra/matrix.rs:122:21
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn to_slice(&self) -> MatSlice<T> {
[INFO] [stderr]     |                     ^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn to_slice(&self) -> MatSlice<'_, T> {
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `ml` (lib) generated 3 warnings
[INFO] [stderr] warning: `ml` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused import: `print_mat`
[INFO] [stderr]  --> tests/feedforward.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 |     use ml::algebra::{print_mat, Matrix};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ml` (test "feedforward") generated 1 warning (run `cargo fix --test "feedforward"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ml-9d7421e504660a25)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/feedforward.rs (/opt/rustwide/target/debug/deps/feedforward-96ec44d45865590b)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::computation ... ok
[INFO] [stdout] test tests::train_xor ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::train_xor stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::train_xor' panicked at src/data.rs:94:56:
[INFO] [stdout] couldn't read {path}: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x632d10483d32 - 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:     0x632d10483d32 - 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:     0x632d10483d32 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x632d10483d32 - <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:     0x632d104aa853 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x632d104aa853 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x632d10480cc3 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x632d10480cc3 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x632d10483b82 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x632d1048529c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x632d104850f2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x632d10443b44 - <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:     0x632d10443b44 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x632d10485c7b - <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:     0x632d10485c7b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x632d10485a4a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x632d10484229 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x632d104856dd - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x632d104a8ff0 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x632d104a9396 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x632d1044ecc7 - core::result::Result<T,E>::expect::h6dd6981cdadd05eb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1119:23
[INFO] [stdout]   21:     0x632d1044ecc7 - ml::data::Dataset::from_csv::h161d6ced93dbbe65
[INFO] [stdout]                                at /opt/rustwide/workdir/src/data.rs:94:56
[INFO] [stdout]   22:     0x632d10409ecb - feedforward::tests::train_xor::he696b4686abcfbe6
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/feedforward.rs:34:20
[INFO] [stdout]   23:     0x632d10404549 - feedforward::tests::train_xor::{{closure}}::h41a0a303210be49b
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/feedforward.rs:32:19
[INFO] [stdout]   24:     0x632d10404549 - core::ops::function::FnOnce::call_once::heb0d9382dfbd3ccf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x632d1044927b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x632d1044927b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x632d104484be - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x632d104484be - <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]   29:     0x632d104484be - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x632d104484be - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x632d104484be - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x632d104484be - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x632d104484be - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x632d1040c064 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x632d1040c064 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   36:     0x632d1040fa0a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x632d1040fa0a - <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]   38:     0x632d1040fa0a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x632d1040fa0a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x632d1040fa0a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr] error: test failed, to rerun pass `--test feedforward`
[INFO] [stdout]   41:     0x632d1040fa0a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x632d1040fa0a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x632d10488bd7 - <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]   44:     0x632d10488bd7 - <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]   45:     0x632d10488bd7 - 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]   46:     0x7474024e5aa4 - <unknown>
[INFO] [stdout]   47:     0x747402572a34 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::train_xor
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "048f014efcf3e64d5355e416efbe1aadc5eb264b4c19810d3341048b858d4091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "048f014efcf3e64d5355e416efbe1aadc5eb264b4c19810d3341048b858d4091", kill_on_drop: false }`
[INFO] [stdout] 048f014efcf3e64d5355e416efbe1aadc5eb264b4c19810d3341048b858d4091
