[INFO] crate ktensor 0.1.0 is already in cache
[INFO] extracting crate ktensor 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/ktensor/0.1.0
[INFO] extracting crate ktensor 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ktensor/0.1.0
[INFO] validating manifest of ktensor-0.1.0 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 ktensor-0.1.0 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 ktensor-0.1.0
[INFO] finished frobbing ktensor-0.1.0
[INFO] frobbed toml for ktensor-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ktensor/0.1.0/Cargo.toml
[INFO] started frobbing ktensor-0.1.0
[INFO] finished frobbing ktensor-0.1.0
[INFO] frobbed toml for ktensor-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ktensor/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ktensor-0.1.0 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ktensor/0.1.0:/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] 49d3d2c2a79e43d7dd46f9b4dcbad0a682d7c278ae38602622dbd292dac602ab
[INFO] running `"docker" "start" "-a" "49d3d2c2a79e43d7dd46f9b4dcbad0a682d7c278ae38602622dbd292dac602ab"`
[INFO] [stderr]    Compiling ktensor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `"docker" "inspect" "49d3d2c2a79e43d7dd46f9b4dcbad0a682d7c278ae38602622dbd292dac602ab"`
[INFO] running `"docker" "rm" "-f" "49d3d2c2a79e43d7dd46f9b4dcbad0a682d7c278ae38602622dbd292dac602ab"`
[INFO] [stdout] 49d3d2c2a79e43d7dd46f9b4dcbad0a682d7c278ae38602622dbd292dac602ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ktensor/0.1.0:/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] b66f63eca74b2a0cafa8859a37e6b229e0bf21711ec25ae1253b77d5d6c09c62
[INFO] running `"docker" "start" "-a" "b66f63eca74b2a0cafa8859a37e6b229e0bf21711ec25ae1253b77d5d6c09c62"`
[INFO] [stderr]    Compiling ktensor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `read_u8`
[INFO] [stderr]  --> tests/mnist.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn read_u8(reader: &mut Read) -> u8 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `"docker" "inspect" "b66f63eca74b2a0cafa8859a37e6b229e0bf21711ec25ae1253b77d5d6c09c62"`
[INFO] running `"docker" "rm" "-f" "b66f63eca74b2a0cafa8859a37e6b229e0bf21711ec25ae1253b77d5d6c09c62"`
[INFO] [stdout] b66f63eca74b2a0cafa8859a37e6b229e0bf21711ec25ae1253b77d5d6c09c62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ktensor/0.1.0:/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] a2ab30321e55127dd5473c4fcf303678dc299a920db47fb9afaab6832313117a
[INFO] running `"docker" "start" "-a" "a2ab30321e55127dd5473c4fcf303678dc299a920db47fb9afaab6832313117a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ktensor-eb29565529d5cb0c
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mnist-812cb7d11bf0a908
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test mnist ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xor-08a9812c54d346d6
[INFO] [stderr]    Doc-tests ktensor
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test xor ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test src/math/matrix.rs - math::matrix::Matrix<T>::get_indicies (line 76) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::&'a Matrix<T>::add (line 311) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::&'a Matrix<T>::add (line 251) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::Matrix<T>::get (line 130) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::&'a Matrix<T>::mul (line 448) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::Matrix<T>::add (line 220) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::&'a Matrix<T>::mul (line 382) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::Matrix<T>::add (line 284) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::Matrix<T>::mul (line 345) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::Matrix<T>::get_indicies_stride (line 105) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::Matrix<T>::get_submatrix (line 148) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::Matrix<T>::mul (line 421) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::Matrix<T>::new (line 27) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::Matrix<T>::product (line 480) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::Matrix<T>::to_flattened (line 53) ... ok
[INFO] [stdout] test src/math/matrix.rs - math::matrix::Matrix<T>::transpose (line 177) ... ok
[INFO] [stdout] test src/tensor/mod.rs - tensor::&'a Tensor<T>::add (line 264) ... ok
[INFO] [stdout] test src/tensor/mod.rs - tensor::&'a Tensor<T>::add (line 212) ... ok
[INFO] [stdout] test src/tensor/mod.rs - tensor::Tensor<T>::add (line 240) ... ok
[INFO] [stdout] test src/tensor/mod.rs - tensor::Tensor<T>::mul (line 350) ... ok
[INFO] [stdout] test src/tensor/mod.rs - tensor::&'a Tensor<T>::mul (line 321) ... ok
[INFO] [stdout] test src/tensor/mod.rs - tensor::&'a Tensor<T>::mul (line 374) ... ok
[INFO] [stdout] test src/tensor/mod.rs - tensor::Tensor<T>::add (line 188) ... ok
[INFO] [stdout] test src/tensor/mod.rs - tensor::Tensor<T>::mul (line 296) ... ok
[INFO] [stdout] test src/tensor/mod.rs - tensor::Tensor<T>::new (line 28) ... ok
[INFO] [stdout] test src/tensor/mod.rs - tensor::Tensor<T>::product (line 404) ... ok
[INFO] [stdout] test src/tensor/mod.rs - tensor::Tensor<f64>::from_gaussian (line 123) ... ok
[INFO] [stdout] test src/tensor/mod.rs - tensor::Tensor<T>::to_flattened (line 57) ... ok
[INFO] [stdout] test src/tensor/mod.rs - tensor::Tensor<f32>::from_gaussian (line 152) ... ok
[INFO] [stdout] test src/tensor/mod.rs - tensor::Tensor<T>::transpose (line 84) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a2ab30321e55127dd5473c4fcf303678dc299a920db47fb9afaab6832313117a"`
[INFO] running `"docker" "rm" "-f" "a2ab30321e55127dd5473c4fcf303678dc299a920db47fb9afaab6832313117a"`
[INFO] [stdout] a2ab30321e55127dd5473c4fcf303678dc299a920db47fb9afaab6832313117a