[INFO] updating cached repository jaroslaw-weber/rust-ml-from-scratch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jaroslaw-weber/rust-ml-from-scratch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jaroslaw-weber/rust-ml-from-scratch" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jaroslaw-weber/rust-ml-from-scratch"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jaroslaw-weber/rust-ml-from-scratch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jaroslaw-weber/rust-ml-from-scratch" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jaroslaw-weber/rust-ml-from-scratch"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jaroslaw-weber/rust-ml-from-scratch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6eaecb746eae46b8964018a9846b1aa6f911d3b7
[INFO] sha for GitHub repo jaroslaw-weber/rust-ml-from-scratch: 6eaecb746eae46b8964018a9846b1aa6f911d3b7
[INFO] validating manifest of jaroslaw-weber/rust-ml-from-scratch on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jaroslaw-weber/rust-ml-from-scratch on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jaroslaw-weber/rust-ml-from-scratch
[INFO] finished frobbing jaroslaw-weber/rust-ml-from-scratch
[INFO] frobbed toml for jaroslaw-weber/rust-ml-from-scratch written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jaroslaw-weber/rust-ml-from-scratch/Cargo.toml
[INFO] started frobbing jaroslaw-weber/rust-ml-from-scratch
[INFO] finished frobbing jaroslaw-weber/rust-ml-from-scratch
[INFO] frobbed toml for jaroslaw-weber/rust-ml-from-scratch written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jaroslaw-weber/rust-ml-from-scratch/Cargo.toml
[INFO] crate jaroslaw-weber/rust-ml-from-scratch has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jaroslaw-weber/rust-ml-from-scratch against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jaroslaw-weber/rust-ml-from-scratch:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] be5ee27221f8abc50d46bede1f376b4bfd31801072a5e2658b3639be02487b1d
[INFO] running `"docker" "start" "-a" "be5ee27221f8abc50d46bede1f376b4bfd31801072a5e2658b3639be02487b1d"`
[INFO] [stderr]    Compiling rust_machine_learning v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `sum`
[INFO] [stderr]    --> src/matrix.rs:131:2
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn sum(&self)->f32
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max`
[INFO] [stderr]    --> src/matrix.rs:142:2
[INFO] [stderr]     |
[INFO] [stderr] 142 |     pub fn max(&self)->f32
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `divn`
[INFO] [stderr]    --> src/matrix.rs:184:2
[INFO] [stderr]     |
[INFO] [stderr] 184 |     pub fn divn(&self, number:f32)->Matrix
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `softmax`
[INFO] [stderr]   --> src/activations.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn softmax(x:&Matrix)->Matrix
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `softmax_stable`
[INFO] [stderr]   --> src/activations.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn softmax_stable(x:&Matrix)->Matrix
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `relu`
[INFO] [stderr]   --> src/activations.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn relu(x:&Matrix, derivative:bool)->Matrix
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `"docker" "inspect" "be5ee27221f8abc50d46bede1f376b4bfd31801072a5e2658b3639be02487b1d"`
[INFO] running `"docker" "rm" "-f" "be5ee27221f8abc50d46bede1f376b4bfd31801072a5e2658b3639be02487b1d"`
[INFO] [stdout] be5ee27221f8abc50d46bede1f376b4bfd31801072a5e2658b3639be02487b1d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jaroslaw-weber/rust-ml-from-scratch:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 590ca776aab459f9d8654f0ddbf8ada7c03b4124553f27254998c973a9e8c6bd
[INFO] running `"docker" "start" "-a" "590ca776aab459f9d8654f0ddbf8ada7c03b4124553f27254998c973a9e8c6bd"`
[INFO] [stderr]    Compiling rust_machine_learning v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `sum`
[INFO] [stderr]    --> src/matrix.rs:131:2
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn sum(&self)->f32
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max`
[INFO] [stderr]    --> src/matrix.rs:142:2
[INFO] [stderr]     |
[INFO] [stderr] 142 |     pub fn max(&self)->f32
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `divn`
[INFO] [stderr]    --> src/matrix.rs:184:2
[INFO] [stderr]     |
[INFO] [stderr] 184 |     pub fn divn(&self, number:f32)->Matrix
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `softmax`
[INFO] [stderr]   --> src/activations.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn softmax(x:&Matrix)->Matrix
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `softmax_stable`
[INFO] [stderr]   --> src/activations.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn softmax_stable(x:&Matrix)->Matrix
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `relu`
[INFO] [stderr]   --> src/activations.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn relu(x:&Matrix, derivative:bool)->Matrix
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "590ca776aab459f9d8654f0ddbf8ada7c03b4124553f27254998c973a9e8c6bd"`
[INFO] running `"docker" "rm" "-f" "590ca776aab459f9d8654f0ddbf8ada7c03b4124553f27254998c973a9e8c6bd"`
[INFO] [stdout] 590ca776aab459f9d8654f0ddbf8ada7c03b4124553f27254998c973a9e8c6bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jaroslaw-weber/rust-ml-from-scratch:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 63a97df9a05c0dd5fb3d9bc7ea882d0b4b6767c12ea446aa3149cd66cc5c00d2
[INFO] running `"docker" "start" "-a" "63a97df9a05c0dd5fb3d9bc7ea882d0b4b6767c12ea446aa3149cd66cc5c00d2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_machine_learning-e469f39c3aa65fc0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "63a97df9a05c0dd5fb3d9bc7ea882d0b4b6767c12ea446aa3149cd66cc5c00d2"`
[INFO] running `"docker" "rm" "-f" "63a97df9a05c0dd5fb3d9bc7ea882d0b4b6767c12ea446aa3149cd66cc5c00d2"`
[INFO] [stdout] 63a97df9a05c0dd5fb3d9bc7ea882d0b4b6767c12ea446aa3149cd66cc5c00d2