[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 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomplexityclass%2FRustML" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/complexityclass/RustML on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.4.3
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] [stderr]   Downloaded csv v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49768691cafa4c6ba816bab35e2a892131cf4cab274ceceb014733eb90f53fcf
[INFO] running `Command { std: "docker" "start" "-a" "49768691cafa4c6ba816bab35e2a892131cf4cab274ceceb014733eb90f53fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49768691cafa4c6ba816bab35e2a892131cf4cab274ceceb014733eb90f53fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49768691cafa4c6ba816bab35e2a892131cf4cab274ceceb014733eb90f53fcf", kill_on_drop: false }`
[INFO] [stdout] 49768691cafa4c6ba816bab35e2a892131cf4cab274ceceb014733eb90f53fcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bc0df3c4130604288bef71990ee371769516cdd516726d618f28e14b81e996a
[INFO] running `Command { std: "docker" "start" "-a" "6bc0df3c4130604288bef71990ee371769516cdd516726d618f28e14b81e996a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[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)]` 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)]` 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)]` 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 7.60s
[INFO] running `Command { std: "docker" "inspect" "6bc0df3c4130604288bef71990ee371769516cdd516726d618f28e14b81e996a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc0df3c4130604288bef71990ee371769516cdd516726d618f28e14b81e996a", kill_on_drop: false }`
[INFO] [stdout] 6bc0df3c4130604288bef71990ee371769516cdd516726d618f28e14b81e996a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 471a31b862d23d145d83bdb5e6d46b5fd7d1efb9caf90c6e8464b0c9e54ee034
[INFO] running `Command { std: "docker" "start" "-a" "471a31b862d23d145d83bdb5e6d46b5fd7d1efb9caf90c6e8464b0c9e54ee034", 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)]` 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)]` 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 0.92s
[INFO] running `Command { std: "docker" "inspect" "471a31b862d23d145d83bdb5e6d46b5fd7d1efb9caf90c6e8464b0c9e54ee034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471a31b862d23d145d83bdb5e6d46b5fd7d1efb9caf90c6e8464b0c9e54ee034", kill_on_drop: false }`
[INFO] [stdout] 471a31b862d23d145d83bdb5e6d46b5fd7d1efb9caf90c6e8464b0c9e54ee034
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 462502fb26988ff4fd8c0199bb34897a47d87d0d5f3f225cc260b789feb084cd
[INFO] running `Command { std: "docker" "start" "-a" "462502fb26988ff4fd8c0199bb34897a47d87d0d5f3f225cc260b789feb084cd", 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)]` 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)]` 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" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/RustML-315a713d34c464ac)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test shallow::gradient_descent_multi::tests::test_compute_cost ... 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_single_param::tests::test_compute_gradient ... ok
[INFO] [stdout] test shallow::gradient_descent_single_param::tests::test_compute_cost ... ok
[INFO] [stdout] test shallow::gradient_descent_multi::tests::test_gradient_descent ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--bin RustML`
[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' 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:     0x5c59a0e96fb2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c59a0e96fb2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c59a0e96fb2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c59a0e96fb2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c59a0ebcc73 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5c59a0ebcc73 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5c59a0e93f33 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c59a0e93f33 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5c59a0e96e02 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5c59a0e98539 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5c59a0e9836e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5c59a0e59374 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5c59a0e59374 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5c59a0e9900e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5c59a0e9900e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5c59a0e98cda - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5c59a0e974b9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5c59a0e9896d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5c59a0ebaf20 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5c59a0ebb273 - core::panicking::assert_failed_inner::h102b4539a88470c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5c59a0e0caef - core::panicking::assert_failed::hb9ac51e722dcb751
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5c59a0e0a0a0 - RustML::shallow::gradient_descent_multi::tests::test_gradient_descent::h8bddcdf343adeaef
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shallow/gradient_descent_multi.rs:132:13
[INFO] [stdout]   22:     0x5c59a0e09607 - RustML::shallow::gradient_descent_multi::tests::test_gradient_descent::{{closure}}::h03d9d570ffaff9fd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shallow/gradient_descent_multi.rs:115:31
[INFO] [stdout]   23:     0x5c59a0e03a16 - core::ops::function::FnOnce::call_once::hc8ad12f8692b1f15
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5c59a0e5ebdb - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5c59a0e5ebdb - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5c59a0e5dd15 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5c59a0e5dd15 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5c59a0e5dd15 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5c59a0e5dd15 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5c59a0e5dd15 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c59a0e5dd15 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5c59a0e5dd15 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5c59a0e21914 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5c59a0e21914 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5c59a0e252ea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5c59a0e252ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5c59a0e252ea - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5c59a0e252ea - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5c59a0e252ea - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c59a0e252ea - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5c59a0e252ea - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5c59a0e9bf8f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5c59a0e9bf8f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x7750a9bfeaa4 - <unknown>
[INFO] [stdout]   45:     0x7750a9c8ba34 - 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 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "462502fb26988ff4fd8c0199bb34897a47d87d0d5f3f225cc260b789feb084cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462502fb26988ff4fd8c0199bb34897a47d87d0d5f3f225cc260b789feb084cd", kill_on_drop: false }`
[INFO] [stdout] 462502fb26988ff4fd8c0199bb34897a47d87d0d5f3f225cc260b789feb084cd
