[INFO] cloning repository https://github.com/SkyZH/mnist.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SkyZH/mnist.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkyZH%2Fmnist.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkyZH%2Fmnist.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70b95e47ea15cbbfe2d7ba45bde0fc64a17971fa
[INFO] testing SkyZH/mnist.rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkyZH%2Fmnist.rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SkyZH/mnist.rs on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SkyZH/mnist.rs
[INFO] finished tweaking git repo https://github.com/SkyZH/mnist.rs
[INFO] tweaked toml for git repo https://github.com/SkyZH/mnist.rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/SkyZH/mnist.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70a447828eaff40c0af26423d7c15ca7f74a849af53a75903ebe259d977ca5a4
[INFO] running `Command { std: "docker" "start" "-a" "70a447828eaff40c0af26423d7c15ca7f74a849af53a75903ebe259d977ca5a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70a447828eaff40c0af26423d7c15ca7f74a849af53a75903ebe259d977ca5a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a447828eaff40c0af26423d7c15ca7f74a849af53a75903ebe259d977ca5a4", kill_on_drop: false }`
[INFO] [stdout] 70a447828eaff40c0af26423d7c15ca7f74a849af53a75903ebe259d977ca5a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bafa532e86d8cb97cd1b9c8cba22a2f45a1eb4e6fb48295e35fadc21aacd540b
[INFO] running `Command { std: "docker" "start" "-a" "bafa532e86d8cb97cd1b9c8cba22a2f45a1eb4e6fb48295e35fadc21aacd540b", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling mnist v0.4.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling mnist-deep-learning v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/network/network.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub layers: Vec<Box<Layer + Sync>>
[INFO] [stdout]   |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/network/network.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(layers: Vec<Box<Layer + Sync>>) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BaseMatrix`, `Matrix`
[INFO] [stdout]  --> src/main.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     matrix::{BaseMatrix, Matrix},
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/network/network.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub layers: Vec<Box<Layer + Sync>>
[INFO] [stdout]   |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/network/network.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(layers: Vec<Box<Layer + Sync>>) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_test`
[INFO] [stdout]   --> src/network/network.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new_test() -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/dataset.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     data: Mnist,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.00s
[INFO] running `Command { std: "docker" "inspect" "bafa532e86d8cb97cd1b9c8cba22a2f45a1eb4e6fb48295e35fadc21aacd540b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bafa532e86d8cb97cd1b9c8cba22a2f45a1eb4e6fb48295e35fadc21aacd540b", kill_on_drop: false }`
[INFO] [stdout] bafa532e86d8cb97cd1b9c8cba22a2f45a1eb4e6fb48295e35fadc21aacd540b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0281ed3a9415d9717cfe459090c56084353c8440ec6cfdedd924c3dc51de6016
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0281ed3a9415d9717cfe459090c56084353c8440ec6cfdedd924c3dc51de6016", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mnist-deep-learning v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/network/network.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub layers: Vec<Box<Layer + Sync>>
[INFO] [stdout]   |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/network/network.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(layers: Vec<Box<Layer + Sync>>) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/network/network.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub layers: Vec<Box<Layer + Sync>>
[INFO] [stdout]   |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/network/network.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(layers: Vec<Box<Layer + Sync>>) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BaseMatrix`, `Matrix`
[INFO] [stdout]  --> src/main.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     matrix::{BaseMatrix, Matrix},
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/network/network.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub layers: Vec<Box<Layer + Sync>>
[INFO] [stdout]   |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/network/network.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(layers: Vec<Box<Layer + Sync>>) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/dataset.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     data: Mnist,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "0281ed3a9415d9717cfe459090c56084353c8440ec6cfdedd924c3dc51de6016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0281ed3a9415d9717cfe459090c56084353c8440ec6cfdedd924c3dc51de6016", kill_on_drop: false }`
[INFO] [stdout] 0281ed3a9415d9717cfe459090c56084353c8440ec6cfdedd924c3dc51de6016
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e417cd94fc70b3423b5e0ef25e7c63e6e0d5470bbfc0bdd31332a4970055cf46
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e417cd94fc70b3423b5e0ef25e7c63e6e0d5470bbfc0bdd31332a4970055cf46", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stdout] running 6 tests
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stdout] test network::mse::tests::test_dcost ... ok
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/network/network.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub layers: Vec<Box<Layer + Sync>>
[INFO] [stderr]   |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[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/network/network.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new(layers: Vec<Box<Layer + Sync>>) -> Self {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/network/network.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub layers: Vec<Box<Layer + Sync>>
[INFO] [stderr]   |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[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/network/network.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new(layers: Vec<Box<Layer + Sync>>) -> Self {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BaseMatrix`, `Matrix`
[INFO] [stderr]  --> src/main.rs:6:14
[INFO] [stderr]   |
[INFO] [stderr] 6 |     matrix::{BaseMatrix, Matrix},
[INFO] [stderr]   |              ^^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/network/network.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub layers: Vec<Box<Layer + Sync>>
[INFO] [stderr]   |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[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/network/network.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new(layers: Vec<Box<Layer + Sync>>) -> Self {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn Layer + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data`
[INFO] [stderr]  --> src/dataset.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     data: Mnist,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mnist_deep_learning-a1273a30e650582f
[INFO] [stdout] test trainer::sgd::tests::test_feed_forward ... ok
[INFO] [stdout] test network::mse::tests::test_cost ... ok
[INFO] [stdout] test network::network::tests::test_create_mnist_network ... ok
[INFO] [stdout] test trainer::sgd::tests::test_back_prop ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mnist_deep_learning-9931f2eacfd0f679
[INFO] [stdout] test trainer::sgd::tests::test_create_mnist_network_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test network::mse::tests::test_cost ... ok
[INFO] [stdout] test network::mse::tests::test_dcost ... ok
[INFO] [stdout] test network::network::tests::test_create_mnist_network ... ok
[INFO] [stdout] test trainer::sgd::tests::test_feed_forward ... ok
[INFO] [stdout] test trainer::sgd::tests::test_back_prop ... ok
[INFO] [stderr]    Doc-tests mnist-deep-learning
[INFO] [stdout] test trainer::sgd::tests::test_create_mnist_network_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "e417cd94fc70b3423b5e0ef25e7c63e6e0d5470bbfc0bdd31332a4970055cf46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e417cd94fc70b3423b5e0ef25e7c63e6e0d5470bbfc0bdd31332a4970055cf46", kill_on_drop: false }`
[INFO] [stdout] e417cd94fc70b3423b5e0ef25e7c63e6e0d5470bbfc0bdd31332a4970055cf46