[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-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomplexityclass%2FRustML" "/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/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/complexityclass/RustML on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "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-2026-03-05" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 702d800d4232d2ece99d9db44258eb1aced8f1181f2f1bf5c71380fed372c8de
[INFO] running `Command { std: "docker" "start" "-a" "702d800d4232d2ece99d9db44258eb1aced8f1181f2f1bf5c71380fed372c8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "702d800d4232d2ece99d9db44258eb1aced8f1181f2f1bf5c71380fed372c8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "702d800d4232d2ece99d9db44258eb1aced8f1181f2f1bf5c71380fed372c8de", kill_on_drop: false }`
[INFO] [stdout] 702d800d4232d2ece99d9db44258eb1aced8f1181f2f1bf5c71380fed372c8de
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a612ed5e85c57c287eac30314bd0201f5d16e171a8f2213f8f0aaa10d0ae2c7
[INFO] running `Command { std: "docker" "start" "-a" "6a612ed5e85c57c287eac30314bd0201f5d16e171a8f2213f8f0aaa10d0ae2c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[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 6.78s
[INFO] running `Command { std: "docker" "inspect" "6a612ed5e85c57c287eac30314bd0201f5d16e171a8f2213f8f0aaa10d0ae2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a612ed5e85c57c287eac30314bd0201f5d16e171a8f2213f8f0aaa10d0ae2c7", kill_on_drop: false }`
[INFO] [stdout] 6a612ed5e85c57c287eac30314bd0201f5d16e171a8f2213f8f0aaa10d0ae2c7
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5cbcf812683ff5f50117972778eacb25095f9b6a1e8e646f13e30ec0d5e6c3d
[INFO] running `Command { std: "docker" "start" "-a" "d5cbcf812683ff5f50117972778eacb25095f9b6a1e8e646f13e30ec0d5e6c3d", 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 1.31s
[INFO] running `Command { std: "docker" "inspect" "d5cbcf812683ff5f50117972778eacb25095f9b6a1e8e646f13e30ec0d5e6c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5cbcf812683ff5f50117972778eacb25095f9b6a1e8e646f13e30ec0d5e6c3d", kill_on_drop: false }`
[INFO] [stdout] d5cbcf812683ff5f50117972778eacb25095f9b6a1e8e646f13e30ec0d5e6c3d
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39351ca3e7ab099043ae8cd3533eafae1d7ac8842b95e3f8f1e0a0524035e711
[INFO] running `Command { std: "docker" "start" "-a" "39351ca3e7ab099043ae8cd3533eafae1d7ac8842b95e3f8f1e0a0524035e711", 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] [stdout] 
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout] running 6 tests
[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 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/RustML-3dc72228df6f9378)
[INFO] [stdout] test shallow::gradient_descent_multi::tests::test_compute_cost ... 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_gradient ... 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] [stderr] error: test failed, to rerun pass `--bin RustML`
[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' (26) 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:     0x640a1cbc484a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x640a1cbc484a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x640a1cbc484a - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x640a1cbc484a - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x640a1cbd8dca - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x640a1cbd8dca - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x640a1cbc9182 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x640a1cbc9182 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x640a1cba3a5f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x640a1cba3a5f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x640a1cbbcdb9 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x640a1cb5314c - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x640a1cb5314c - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x640a1cbbcf72 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x640a1cbbcf72 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x640a1cba3b18 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x640a1cb9b489 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x640a1cba482d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x640a1cbd963c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x640a1cbd94f3 - core[10b6fa85044e1869]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x640a1cb30454 - core::panicking::assert_failed::ha19d04ee68e7dd02
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x640a1cb2d175 - RustML::shallow::gradient_descent_multi::tests::test_gradient_descent::h41b4b5a623e21608
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shallow/gradient_descent_multi.rs:132:13
[INFO] [stdout]   22:     0x640a1cb2d1a7 - RustML::shallow::gradient_descent_multi::tests::test_gradient_descent::{{closure}}::h9c5893fa240145d6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shallow/gradient_descent_multi.rs:115:31
[INFO] [stdout]   23:     0x640a1cb2f4d6 - core::ops::function::FnOnce::call_once::h297d5728fe6937ad
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x640a1cb4722b - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x640a1cb4722b - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x640a1cb53c1b - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x640a1cb53c1b - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x640a1cb53c1b - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x640a1cb53c1b - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x640a1cb53c1b - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x640a1cb53c1b - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x640a1cb53c1b - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x640a1cb4f334 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x640a1cb4f334 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x640a1cb56822 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x640a1cb56822 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x640a1cb56822 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x640a1cb56822 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x640a1cb56822 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x640a1cb56822 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x640a1cb56822 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x640a1cbc415f - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x640a1cbc415f - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7c160a754aa4 - <unknown>
[INFO] [stdout]   45:     0x7c160a7e1a64 - 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 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "39351ca3e7ab099043ae8cd3533eafae1d7ac8842b95e3f8f1e0a0524035e711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39351ca3e7ab099043ae8cd3533eafae1d7ac8842b95e3f8f1e0a0524035e711", kill_on_drop: false }`
[INFO] [stdout] 39351ca3e7ab099043ae8cd3533eafae1d7ac8842b95e3f8f1e0a0524035e711
