[INFO] crate autograd 0.9.5 is already in cache
[INFO] testing autograd-0.9.5 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate autograd 0.9.5 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate autograd 0.9.5 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate autograd 0.9.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate autograd 0.9.5
[INFO] tweaked toml for crates.io crate autograd 0.9.5 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 482a47ea5c69d76d093637f607ba49e1b9d4d5edb03581cb03fe2a2808b90080
[INFO] running `"docker" "start" "-a" "482a47ea5c69d76d093637f607ba49e1b9d4d5edb03581cb03fe2a2808b90080"`
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling autograd v0.9.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tensor.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub op: Box<op::Op<T>>,
[INFO] [stderr]    |                 ^^^^^^^^^ help: use `dyn`: `dyn op::Op<T>`
[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/tensor.rs:436:37
[INFO] [stderr]     |
[INFO] [stderr] 436 |     pub fn with_fn(&self, hook: Box<Fn(&crate::ndarray::ArrayViewD<T>) -> ()>) -> Tensor<T> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&crate::ndarray::ArrayViewD<T>) -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ops/hook_ops.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub func: Box<Fn(&NdArrayView<T>) -> ()>,
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&NdArrayView<T>) -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |     Raw(Box<Fn(&crate::ndarray_ext::NdArrayView<T>) -> ()>),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&crate::ndarray_ext::NdArrayView<T>) -> ()`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `"docker" "inspect" "482a47ea5c69d76d093637f607ba49e1b9d4d5edb03581cb03fe2a2808b90080"`
[INFO] running `"docker" "rm" "-f" "482a47ea5c69d76d093637f607ba49e1b9d4d5edb03581cb03fe2a2808b90080"`
[INFO] [stdout] 482a47ea5c69d76d093637f607ba49e1b9d4d5edb03581cb03fe2a2808b90080
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4136c77d04e3cb2bf81f25f2557c5670c46758e61dfdc6fbfd040a489e5186cb
[INFO] running `"docker" "start" "-a" "4136c77d04e3cb2bf81f25f2557c5670c46758e61dfdc6fbfd040a489e5186cb"`
[INFO] [stderr]    Compiling autograd v0.9.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tensor.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub op: Box<op::Op<T>>,
[INFO] [stderr]    |                 ^^^^^^^^^ help: use `dyn`: `dyn op::Op<T>`
[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/tensor.rs:436:37
[INFO] [stderr]     |
[INFO] [stderr] 436 |     pub fn with_fn(&self, hook: Box<Fn(&crate::ndarray::ArrayViewD<T>) -> ()>) -> Tensor<T> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&crate::ndarray::ArrayViewD<T>) -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ops/hook_ops.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub func: Box<Fn(&NdArrayView<T>) -> ()>,
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&NdArrayView<T>) -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |     Raw(Box<Fn(&crate::ndarray_ext::NdArrayView<T>) -> ()>),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&crate::ndarray_ext::NdArrayView<T>) -> ()`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `autograd`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name test_tensor_ops_grad tests/test_tensor_ops_grad.rs --color never --emit=dep-info,link -C debuginfo=2 --test -C metadata=885e28fddabed662 -C extra-filename=-885e28fddabed662 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern autograd=/opt/rustwide/target/debug/deps/libautograd-53d660cdebbd4899.rlib --extern glob=/opt/rustwide/target/debug/deps/libglob-a652de60583b21ed.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-9f7a5de25bd5699b.rlib --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-16528876823a62f4.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-5a481afc0cdb6e30.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-d19ff3f0b25e527d.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-a49361b936b25068.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-25aea7435ca545a1.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-3f016fc1e8cb690b.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `autograd`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name cnn_mnist examples/cnn_mnist.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=498a31d5ba691b33 -C extra-filename=-498a31d5ba691b33 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern autograd=/opt/rustwide/target/debug/deps/libautograd-53d660cdebbd4899.rlib --extern glob=/opt/rustwide/target/debug/deps/libglob-a652de60583b21ed.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-9f7a5de25bd5699b.rlib --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-16528876823a62f4.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-5a481afc0cdb6e30.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-d19ff3f0b25e527d.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-a49361b936b25068.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-25aea7435ca545a1.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-3f016fc1e8cb690b.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4136c77d04e3cb2bf81f25f2557c5670c46758e61dfdc6fbfd040a489e5186cb"`
[INFO] running `"docker" "rm" "-f" "4136c77d04e3cb2bf81f25f2557c5670c46758e61dfdc6fbfd040a489e5186cb"`
[INFO] [stdout] 4136c77d04e3cb2bf81f25f2557c5670c46758e61dfdc6fbfd040a489e5186cb