[INFO] cloning repository https://github.com/complexityclass/RustML
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/complexityclass/RustML" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomplexityclass%2FRustML", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomplexityclass%2FRustML'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da9a88d4d11402107965ee8a65aa02ccc4812ffe
[INFO] testing complexityclass/RustML against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomplexityclass%2FRustML" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/complexityclass/RustML
[INFO] finished tweaking git repo https://github.com/complexityclass/RustML
[INFO] tweaked toml for git repo https://github.com/complexityclass/RustML written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/complexityclass/RustML on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/complexityclass/RustML 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ef6c5585a6fa0661b71bcf15b5f83a4a43c404a98a3dc4fee1b8d1d4c71579a
[INFO] running `Command { std: "docker" "start" "-a" "9ef6c5585a6fa0661b71bcf15b5f83a4a43c404a98a3dc4fee1b8d1d4c71579a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ef6c5585a6fa0661b71bcf15b5f83a4a43c404a98a3dc4fee1b8d1d4c71579a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef6c5585a6fa0661b71bcf15b5f83a4a43c404a98a3dc4fee1b8d1d4c71579a", kill_on_drop: false }`
[INFO] [stdout] 9ef6c5585a6fa0661b71bcf15b5f83a4a43c404a98a3dc4fee1b8d1d4c71579a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] accbee3773764b72c3080fbc6b876747c275880b6ffa8fd8ba0d1dde89c28f92
[INFO] running `Command { std: "docker" "start" "-a" "accbee3773764b72c3080fbc6b876747c275880b6ffa8fd8ba0d1dde89c28f92", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling csv v1.2.1
[INFO] [stderr]    Compiling RustML v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts`
[INFO] [stdout]  --> src/shallow/gradient_descent_single_param.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f64::consts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::repeat`
[INFO] [stdout]  --> src/shallow/gradient_descent_single_param.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::repeat;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/shallow/gradient_descent_single_param.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayView2`
[INFO] [stdout]  --> src/shallow/gradient_descent_multi.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{s, Array2, ArrayView2};
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::consts`
[INFO] [stdout]  --> src/shallow/gradient_descent_multi.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::f64::consts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::array`
[INFO] [stdout]   --> src/shallow/gradient_descent_multi.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     use ndarray::array;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/shallow/gradient_descent_multi.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gradient_descent` is never used
[INFO] [stdout]  --> src/shallow/gradient_descent_multi.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn gradient_descent(
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_cost` is never used
[INFO] [stdout]   --> src/shallow/gradient_descent_multi.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn compute_cost(
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_gradient` is never used
[INFO] [stdout]   --> src/shallow/gradient_descent_multi.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn compute_gradient(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/kaggle/house_pricing.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     predict(w, b);
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let _ = predict(w, b);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.91s
[INFO] running `Command { std: "docker" "inspect" "accbee3773764b72c3080fbc6b876747c275880b6ffa8fd8ba0d1dde89c28f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "accbee3773764b72c3080fbc6b876747c275880b6ffa8fd8ba0d1dde89c28f92", kill_on_drop: false }`
[INFO] [stdout] accbee3773764b72c3080fbc6b876747c275880b6ffa8fd8ba0d1dde89c28f92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30d4413af06782584e02e7a76548f979499d70ffb5d3f8e9bb1a6cb5a1007bea
[INFO] running `Command { std: "docker" "start" "-a" "30d4413af06782584e02e7a76548f979499d70ffb5d3f8e9bb1a6cb5a1007bea", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustML v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts`
[INFO] [stdout]  --> src/shallow/gradient_descent_single_param.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f64::consts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::repeat`
[INFO] [stdout]  --> src/shallow/gradient_descent_single_param.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::repeat;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayView2`
[INFO] [stdout]  --> src/shallow/gradient_descent_multi.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{s, Array2, ArrayView2};
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::consts`
[INFO] [stdout]  --> src/shallow/gradient_descent_multi.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::f64::consts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/kaggle/house_pricing.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     predict(w, b);
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let _ = predict(w, b);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "30d4413af06782584e02e7a76548f979499d70ffb5d3f8e9bb1a6cb5a1007bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d4413af06782584e02e7a76548f979499d70ffb5d3f8e9bb1a6cb5a1007bea", kill_on_drop: false }`
[INFO] [stdout] 30d4413af06782584e02e7a76548f979499d70ffb5d3f8e9bb1a6cb5a1007bea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9257bfe5e0f28e9046a48a925aaee3a2fb826af16cb4e2a62445819bcef2bdb
[INFO] running `Command { std: "docker" "start" "-a" "f9257bfe5e0f28e9046a48a925aaee3a2fb826af16cb4e2a62445819bcef2bdb", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::f64::consts`
[INFO] [stderr]  --> src/shallow/gradient_descent_single_param.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::f64::consts;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::repeat`
[INFO] [stderr]  --> src/shallow/gradient_descent_single_param.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::repeat;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ArrayView2`
[INFO] [stderr]  --> src/shallow/gradient_descent_multi.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ndarray::{s, Array2, ArrayView2};
[INFO] [stderr]   |                          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f64::consts`
[INFO] [stderr]  --> src/shallow/gradient_descent_multi.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::f64::consts;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/kaggle/house_pricing.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     predict(w, b);
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let _ = predict(w, b);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `RustML` (bin "RustML" test) generated 5 warnings (run `cargo fix --bin "RustML" -p RustML --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/RustML-3dc72228df6f9378)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test shallow::gradient_descent_multi::tests::test_compute_gradient ... ok
[INFO] [stdout] test shallow::gradient_descent_single_param::tests::test_compute_cost ... ok
[INFO] [stdout] test shallow::gradient_descent_single_param::tests::test_compute_gradient ... ok
[INFO] [stdout] test shallow::gradient_descent_multi::tests::test_compute_cost ... ok
[INFO] [stdout] test shallow::gradient_descent_single_param::tests::test_gradient_descent ... ok
[INFO] [stdout] test shallow::gradient_descent_multi::tests::test_gradient_descent ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- shallow::gradient_descent_multi::tests::test_gradient_descent stdout ----
[INFO] [stdout] Iteration    0: Cost 2.53e3 dj_dw: [[-4.827e5, -1.117e3, -3.673e2, -1.207e4]], dj_db: -2.900e2  w: [[2.413e-1, 5.587e-4, 1.837e-4, 6.035e-3]], b: 1.45000e-4
[INFO] [stdout] Iteration  100: Cost 6.96e2 dj_dw: [[-3.663e0, -6.586e0, 2.296e1, 1.445e2]], dj_db: 4.807e0  w: [[2.024e-1, 7.980e-4, -9.966e-4, -2.197e-3]], b: -1.19860e-4
[INFO] [stdout] Iteration  200: Cost 6.95e2 dj_dw: [[-3.647e0, -6.582e0, 2.292e1, 1.439e2]], dj_db: 4.785e0  w: [[2.025e-1, 1.127e-3, -2.143e-3, -9.406e-3]], b: -3.59658e-4
[INFO] [stdout] Iteration  300: Cost 6.94e2 dj_dw: [[-3.631e0, -6.577e0, 2.289e1, 1.432e2]], dj_db: 4.762e0  w: [[2.027e-1, 1.456e-3, -3.289e-3, -1.658e-2]], b: -5.98324e-4
[INFO] [stdout] Iteration  400: Cost 6.93e2 dj_dw: [[-3.615e0, -6.572e0, 2.286e1, 1.426e2]], dj_db: 4.740e0  w: [[2.029e-1, 1.785e-3, -4.432e-3, -2.373e-2]], b: -8.35863e-4
[INFO] [stdout] Iteration  500: Cost 6.92e2 dj_dw: [[-3.598e0, -6.568e0, 2.282e1, 1.419e2]], dj_db: 4.717e0  w: [[2.031e-1, 2.113e-3, -5.574e-3, -3.084e-2]], b: -1.07228e-3
[INFO] [stdout] Iteration  600: Cost 6.91e2 dj_dw: [[-3.582e0, -6.563e0, 2.279e1, 1.413e2]], dj_db: 4.695e0  w: [[2.033e-1, 2.442e-3, -6.715e-3, -3.792e-2]], b: -1.30758e-3
[INFO] [stdout] Iteration  700: Cost 6.90e2 dj_dw: [[-3.566e0, -6.559e0, 2.276e1, 1.407e2]], dj_db: 4.673e0  w: [[2.034e-1, 2.770e-3, -7.853e-3, -4.497e-2]], b: -1.54177e-3
[INFO] [stdout] Iteration  800: Cost 6.89e2 dj_dw: [[-3.550e0, -6.554e0, 2.273e1, 1.400e2]], dj_db: 4.651e0  w: [[2.036e-1, 3.097e-3, -8.991e-3, -5.199e-2]], b: -1.77485e-3
[INFO] [stdout] Iteration  900: Cost 6.88e2 dj_dw: [[-3.535e0, -6.550e0, 2.269e1, 1.394e2]], dj_db: 4.629e0  w: [[2.038e-1, 3.425e-3, -1.013e-2, -5.898e-2]], b: -2.00683e-3
[INFO] [stdout] 
[INFO] [stdout] thread 'shallow::gradient_descent_multi::tests::test_gradient_descent' (27) panicked at src/shallow/gradient_descent_multi.rs:132:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: false
[INFO] [stdout]  right: true
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x649d9d0d4342 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x649d9d0d4342 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x649d9d0d4342 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x649d9d0d4342 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x649d9d0e4c7a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x649d9d0e4c7a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x649d9d0a31b6 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x649d9d0a31b6 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x649d9d0b3779 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x649d9d0b3779 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x649d9d0b3611 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x649d9d07102e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x649d9d07102e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x649d9d0b39f2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x649d9d0b39f2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x649d9d0b3838 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x649d9d0aed69 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x649d9d097dad - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x649d9d0ec21c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x649d9d0ec0d3 - core::panicking::assert_failed_inner::h5aabe811ef142622
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x649d9d03bc36 - core::panicking::assert_failed::habe4063914d96777
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x649d9d03f14c - RustML::shallow::gradient_descent_multi::tests::test_gradient_descent::h40704cf01c8ebf9c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shallow/gradient_descent_multi.rs:132:13
[INFO] [stdout]   22:     0x649d9d03f187 - RustML::shallow::gradient_descent_multi::tests::test_gradient_descent::{{closure}}::hd8548b3d973d156d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shallow/gradient_descent_multi.rs:115:31
[INFO] [stdout]   23:     0x649d9d03ac56 - core::ops::function::FnOnce::call_once::h017b2199fda03b1a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x649d9d070e2b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x649d9d070e2b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x649d9d0847fa - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x649d9d0847fa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x649d9d0847fa - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x649d9d0847fa - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x649d9d0847fa - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x649d9d0847fa - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x649d9d0847fa - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x649d9d05ec54 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x649d9d05ec54 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x649d9d062512 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x649d9d062512 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x649d9d062512 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x649d9d062512 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x649d9d062512 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x649d9d062512 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x649d9d062512 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x649d9d0a9fff - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x649d9d0a9fff - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x7a7832a95aa4 - <unknown>
[INFO] [stdout]   45:     0x7a7832b22a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     shallow::gradient_descent_multi::tests::test_gradient_descent
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin RustML`
[INFO] running `Command { std: "docker" "inspect" "f9257bfe5e0f28e9046a48a925aaee3a2fb826af16cb4e2a62445819bcef2bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9257bfe5e0f28e9046a48a925aaee3a2fb826af16cb4e2a62445819bcef2bdb", kill_on_drop: false }`
[INFO] [stdout] f9257bfe5e0f28e9046a48a925aaee3a2fb826af16cb4e2a62445819bcef2bdb
