[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/beta-1.37-6/sources/1.36.0/gh/jaroslaw-weber/rust-ml-from-scratch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/jaroslaw-weber/rust-ml-from-scratch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jaroslaw-weber/rust-ml-from-scratch on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/jaroslaw-weber/rust-ml-from-scratch/Cargo.toml
[INFO] crate jaroslaw-weber/rust-ml-from-scratch already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing jaroslaw-weber/rust-ml-from-scratch against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] bb058612014ae48e9393ddf1879bc7ddc9906779c436ddd2417328da37619f83
[INFO] running `"docker" "start" "-a" "bb058612014ae48e9393ddf1879bc7ddc9906779c436ddd2417328da37619f83"`
[INFO] [stderr]    Compiling rayon-core v1.0.2
[INFO] [stderr]    Compiling deque v0.3.2
[INFO] [stderr]    Compiling adler32 v1.0.0
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]    Compiling deflate v0.7.11
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.12
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling image v0.13.0
[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 30.79s
[INFO] running `"docker" "inspect" "bb058612014ae48e9393ddf1879bc7ddc9906779c436ddd2417328da37619f83"`
[INFO] running `"docker" "rm" "-f" "bb058612014ae48e9393ddf1879bc7ddc9906779c436ddd2417328da37619f83"`
[INFO] [stdout] bb058612014ae48e9393ddf1879bc7ddc9906779c436ddd2417328da37619f83
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9ec85052125f1793a95982e9b7e2f32e6b24dcba4b5adf2fed235cd047f5a205
[INFO] running `"docker" "start" "-a" "9ec85052125f1793a95982e9b7e2f32e6b24dcba4b5adf2fed235cd047f5a205"`
[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 0.96s
[INFO] running `"docker" "inspect" "9ec85052125f1793a95982e9b7e2f32e6b24dcba4b5adf2fed235cd047f5a205"`
[INFO] running `"docker" "rm" "-f" "9ec85052125f1793a95982e9b7e2f32e6b24dcba4b5adf2fed235cd047f5a205"`
[INFO] [stdout] 9ec85052125f1793a95982e9b7e2f32e6b24dcba4b5adf2fed235cd047f5a205
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] c896d446aedf0a47311e702cd3e94e85c5de29fb26d0630f5be6a437f18f3a71
[INFO] running `"docker" "start" "-a" "c896d446aedf0a47311e702cd3e94e85c5de29fb26d0630f5be6a437f18f3a71"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_machine_learning-6d63fe73fc87d480
[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" "c896d446aedf0a47311e702cd3e94e85c5de29fb26d0630f5be6a437f18f3a71"`
[INFO] running `"docker" "rm" "-f" "c896d446aedf0a47311e702cd3e94e85c5de29fb26d0630f5be6a437f18f3a71"`
[INFO] [stdout] c896d446aedf0a47311e702cd3e94e85c5de29fb26d0630f5be6a437f18f3a71