[INFO] updating cached repository https://github.com/fudini/neurust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5dfe883bb281a98eb0e28df1018ab944ed183ac0 [INFO] testing fudini/neurust against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffudini%2Fneurust" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fudini/neurust on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fudini/neurust [INFO] finished tweaking git repo https://github.com/fudini/neurust [INFO] tweaked toml for git repo https://github.com/fudini/neurust written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/fudini/neurust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39acc89bcaf259ef970287131d2bd6999aaed691c11435c7d8a7e25c7004d70e [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" "39acc89bcaf259ef970287131d2bd6999aaed691c11435c7d8a7e25c7004d70e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39acc89bcaf259ef970287131d2bd6999aaed691c11435c7d8a7e25c7004d70e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39acc89bcaf259ef970287131d2bd6999aaed691c11435c7d8a7e25c7004d70e", kill_on_drop: false }` [INFO] [stdout] 39acc89bcaf259ef970287131d2bd6999aaed691c11435c7d8a7e25c7004d70e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d30bca941e66944da7467c84f5b0535f4382a99328184dec0517ccb6b258d758 [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" "d30bca941e66944da7467c84f5b0535f4382a99328184dec0517ccb6b258d758", kill_on_drop: false }` [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling time v0.1.36 [INFO] [stderr] Compiling neurust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Neuron` [INFO] [stdout] --> src/main.rs:9:30 [INFO] [stdout] | [INFO] [stdout] 9 | use neural::{ NeuralNetwork, Neuron }; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `error` is never read [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut error = 0.0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Data` [INFO] [stdout] --> src/neural.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct Data { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_layers` [INFO] [stdout] --> src/neural.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn with_layers( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `import` [INFO] [stdout] --> src/neural.rs:180:12 [INFO] [stdout] | [INFO] [stdout] 180 | pub fn import(data: Data) -> NeuralNetwork { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `export` [INFO] [stdout] --> src/neural.rs:198:12 [INFO] [stdout] | [INFO] [stdout] 198 | pub fn export(&self) -> Data { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `render_digit` [INFO] [stdout] --> src/mnist.rs:136:8 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn render_digit(pixels: &Vec) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `tanh_activation` [INFO] [stdout] --> src/functions.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn tanh_activation(x: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `tanh_derivative` [INFO] [stdout] --> src/functions.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn tanh_derivative(o: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `TANH` [INFO] [stdout] --> src/functions.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub static TANH: ActivationFn = (tanh_activation, tanh_derivative); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run_xor` [INFO] [stdout] --> src/main.rs:88:4 [INFO] [stdout] | [INFO] [stdout] 88 | fn run_xor () { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/mnist.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | file.read_exact(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/mnist.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | images_reader.seek(SeekFrom::Start(16 + (i * image_size) as u64)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/mnist.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | labels_reader.seek(SeekFrom::Start(8 + i as u64)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.66s [INFO] running `Command { std: "docker" "inspect" "d30bca941e66944da7467c84f5b0535f4382a99328184dec0517ccb6b258d758", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d30bca941e66944da7467c84f5b0535f4382a99328184dec0517ccb6b258d758", kill_on_drop: false }` [INFO] [stdout] d30bca941e66944da7467c84f5b0535f4382a99328184dec0517ccb6b258d758 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a560b1354cefb0cecf0294d512c2f5b5990ad34daea6b6ce14787f253e94035 [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" "6a560b1354cefb0cecf0294d512c2f5b5990ad34daea6b6ce14787f253e94035", kill_on_drop: false }` [INFO] [stderr] Compiling neurust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Neuron` [INFO] [stdout] --> src/main.rs:9:30 [INFO] [stdout] | [INFO] [stdout] 9 | use neural::{ NeuralNetwork, Neuron }; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `error` is never read [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut error = 0.0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Data` [INFO] [stdout] --> src/neural.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct Data { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `import` [INFO] [stdout] --> src/neural.rs:180:12 [INFO] [stdout] | [INFO] [stdout] 180 | pub fn import(data: Data) -> NeuralNetwork { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `export` [INFO] [stdout] --> src/neural.rs:198:12 [INFO] [stdout] | [INFO] [stdout] 198 | pub fn export(&self) -> Data { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `render_digit` [INFO] [stdout] --> src/mnist.rs:136:8 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn render_digit(pixels: &Vec) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `tanh_activation` [INFO] [stdout] --> src/functions.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn tanh_activation(x: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `tanh_derivative` [INFO] [stdout] --> src/functions.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn tanh_derivative(o: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `TANH` [INFO] [stdout] --> src/functions.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub static TANH: ActivationFn = (tanh_activation, tanh_derivative); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run_xor` [INFO] [stdout] --> src/main.rs:88:4 [INFO] [stdout] | [INFO] [stdout] 88 | fn run_xor () { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/mnist.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | file.read_exact(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/mnist.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | images_reader.seek(SeekFrom::Start(16 + (i * image_size) as u64)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/mnist.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | labels_reader.seek(SeekFrom::Start(8 + i as u64)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.85s [INFO] running `Command { std: "docker" "inspect" "6a560b1354cefb0cecf0294d512c2f5b5990ad34daea6b6ce14787f253e94035", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a560b1354cefb0cecf0294d512c2f5b5990ad34daea6b6ce14787f253e94035", kill_on_drop: false }` [INFO] [stdout] 6a560b1354cefb0cecf0294d512c2f5b5990ad34daea6b6ce14787f253e94035 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f822787e0b0b4ab8b6e372ba1e7e2ac2b3281d2fae586cfbb334293ec6251af6 [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" "f822787e0b0b4ab8b6e372ba1e7e2ac2b3281d2fae586cfbb334293ec6251af6", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Neuron` [INFO] [stderr] --> src/main.rs:9:30 [INFO] [stderr] | [INFO] [stderr] 9 | use neural::{ NeuralNetwork, Neuron }; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `error` is never read [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut error = 0.0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Data` [INFO] [stderr] --> src/neural.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | pub struct Data { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `import` [INFO] [stderr] --> src/neural.rs:180:12 [INFO] [stderr] | [INFO] [stderr] 180 | pub fn import(data: Data) -> NeuralNetwork { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `export` [INFO] [stderr] --> src/neural.rs:198:12 [INFO] [stderr] | [INFO] [stderr] 198 | pub fn export(&self) -> Data { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `render_digit` [INFO] [stderr] --> src/mnist.rs:136:8 [INFO] [stderr] | [INFO] [stderr] 136 | pub fn render_digit(pixels: &Vec) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `tanh_activation` [INFO] [stderr] --> src/functions.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 16 | fn tanh_activation(x: f64) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `tanh_derivative` [INFO] [stderr] --> src/functions.rs:20:8 [INFO] [stderr] | [INFO] [stderr] 20 | fn tanh_derivative(o: f64) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static is never used: `TANH` [INFO] [stderr] --> src/functions.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | pub static TANH: ActivationFn = (tanh_activation, tanh_derivative); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run_xor` [INFO] [stderr] --> src/main.rs:88:4 [INFO] [stderr] | [INFO] [stderr] 88 | fn run_xor () { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/mnist.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | file.read_exact(&mut buffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/mnist.rs:89:9 [INFO] [stderr] | [INFO] [stderr] 89 | images_reader.seek(SeekFrom::Start(16 + (i * image_size) as u64)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/mnist.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | labels_reader.seek(SeekFrom::Start(8 + i as u64)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/neurust-9f2c90abff3c559d [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running /opt/rustwide/target/debug/deps/neurust-59a7b0a420b33017 [INFO] [stdout] test neural::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests neurust [INFO] [stdout] test neural::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 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" "f822787e0b0b4ab8b6e372ba1e7e2ac2b3281d2fae586cfbb334293ec6251af6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f822787e0b0b4ab8b6e372ba1e7e2ac2b3281d2fae586cfbb334293ec6251af6", kill_on_drop: false }` [INFO] [stdout] f822787e0b0b4ab8b6e372ba1e7e2ac2b3281d2fae586cfbb334293ec6251af6