[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-1.38-1/sources/1.37.0/gh/jaroslaw-weber/rust-ml-from-scratch"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/gh/jaroslaw-weber/rust-ml-from-scratch"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jaroslaw-weber/rust-ml-from-scratch on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing jaroslaw-weber/rust-ml-from-scratch against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 4ccb8acc1c9622bb803248764395bdbb88d03b80ee710df0aab81ee43bb58a76 [INFO] running `"docker" "start" "-a" "4ccb8acc1c9622bb803248764395bdbb88d03b80ee710df0aab81ee43bb58a76"` [INFO] [stderr] Compiling rayon-core v1.0.2 [INFO] [stderr] Compiling deflate v0.7.11 [INFO] [stderr] Compiling num-rational v0.1.36 [INFO] [stderr] Compiling png v0.7.0 [INFO] [stderr] Compiling rayon v0.7.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.12 [INFO] [stderr] Compiling image v0.13.0 [INFO] [stderr] Compiling rust_machine_learning v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/matrix.rs:248:83 [INFO] [stderr] | [INFO] [stderr] 248 | pub fn matrix_on_matrix_operation(&self, other_matrix:&Matrix, combine_function:&Fn(f32,f32)->f32)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,f32)->f32` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/matrix.rs:261:37 [INFO] [stderr] | [INFO] [stderr] 261 | pub fn map(&self, function_to_map:&Fn(f32)->f32)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32)->f32` [INFO] [stderr] [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 22.61s [INFO] running `"docker" "inspect" "4ccb8acc1c9622bb803248764395bdbb88d03b80ee710df0aab81ee43bb58a76"` [INFO] running `"docker" "rm" "-f" "4ccb8acc1c9622bb803248764395bdbb88d03b80ee710df0aab81ee43bb58a76"` [INFO] [stdout] 4ccb8acc1c9622bb803248764395bdbb88d03b80ee710df0aab81ee43bb58a76 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] b8f2c013db7ffcf4346f87c93dbbb64f259d62d60f45ebc4b411ab9cd982aed1 [INFO] running `"docker" "start" "-a" "b8f2c013db7ffcf4346f87c93dbbb64f259d62d60f45ebc4b411ab9cd982aed1"` [INFO] [stderr] Compiling rust_machine_learning v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/matrix.rs:248:83 [INFO] [stderr] | [INFO] [stderr] 248 | pub fn matrix_on_matrix_operation(&self, other_matrix:&Matrix, combine_function:&Fn(f32,f32)->f32)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,f32)->f32` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/matrix.rs:261:37 [INFO] [stderr] | [INFO] [stderr] 261 | pub fn map(&self, function_to_map:&Fn(f32)->f32)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32)->f32` [INFO] [stderr] [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 0.75s [INFO] running `"docker" "inspect" "b8f2c013db7ffcf4346f87c93dbbb64f259d62d60f45ebc4b411ab9cd982aed1"` [INFO] running `"docker" "rm" "-f" "b8f2c013db7ffcf4346f87c93dbbb64f259d62d60f45ebc4b411ab9cd982aed1"` [INFO] [stdout] b8f2c013db7ffcf4346f87c93dbbb64f259d62d60f45ebc4b411ab9cd982aed1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 56cae133e1e980aa99278fce36460c0fbe6cc03e0b93b07a75dd3b3268613da8 [INFO] running `"docker" "start" "-a" "56cae133e1e980aa99278fce36460c0fbe6cc03e0b93b07a75dd3b3268613da8"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [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] [stderr] Running /opt/crater/target/debug/deps/rust_machine_learning-cac3c67b0ba59644 [INFO] running `"docker" "inspect" "56cae133e1e980aa99278fce36460c0fbe6cc03e0b93b07a75dd3b3268613da8"` [INFO] running `"docker" "rm" "-f" "56cae133e1e980aa99278fce36460c0fbe6cc03e0b93b07a75dd3b3268613da8"` [INFO] [stdout] 56cae133e1e980aa99278fce36460c0fbe6cc03e0b93b07a75dd3b3268613da8