[INFO] cloning repository fudini/neurust [INFO] running `"git" "clone" "--bare" "git://github.com/fudini/neurust.git" "work/cache/sources/gh/fudini/neurust"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/fudini/neurust'... [INFO] running `"git" "clone" "work/cache/sources/gh/fudini/neurust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/fudini/neurust"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/fudini/neurust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/fudini/neurust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/fudini/neurust"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/fudini/neurust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5dfe883bb281a98eb0e28df1018ab944ed183ac0 [INFO] sha for GitHub repo fudini/neurust: 5dfe883bb281a98eb0e28df1018ab944ed183ac0 [INFO] validating manifest of fudini/neurust on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of fudini/neurust on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing fudini/neurust [INFO] finished frobbing fudini/neurust [INFO] frobbed toml for fudini/neurust written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/fudini/neurust/Cargo.toml [INFO] started frobbing fudini/neurust [INFO] finished frobbing fudini/neurust [INFO] frobbed toml for fudini/neurust written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/fudini/neurust/Cargo.toml [INFO] crate fudini/neurust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing fudini/neurust against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/fudini/neurust:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 81dc9596d5c42341f83d7e3da79e3776dd6a651e769beeb594cde52781a84b08 [INFO] running `"docker" "start" "-a" "81dc9596d5c42341f83d7e3da79e3776dd6a651e769beeb594cde52781a84b08"` [INFO] [stderr] Compiling libc v0.2.19 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling time v0.1.36 [INFO] [stderr] Compiling neurust v0.1.0 (/opt/crater/workdir) [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:36:13 [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:36:1 [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: method is never used: `with_layers` [INFO] [stderr] --> src/neural.rs:128:5 [INFO] [stderr] | [INFO] [stderr] 128 | / pub fn with_layers( [INFO] [stderr] 129 | | layers: Vec>>, [INFO] [stderr] 130 | | learning_rate: f64, [INFO] [stderr] 131 | | activation_fn: ActivationFn, [INFO] [stderr] ... | [INFO] [stderr] 144 | | } [INFO] [stderr] 145 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `import` [INFO] [stderr] --> src/neural.rs:180:5 [INFO] [stderr] | [INFO] [stderr] 180 | pub fn import(data: Data) -> NeuralNetwork { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `export` [INFO] [stderr] --> src/neural.rs:198:5 [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:136:1 [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:16:5 [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:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | fn tanh_derivative(o: f64) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item 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:88:1 [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] Finished dev [unoptimized + debuginfo] target(s) in 6.83s [INFO] running `"docker" "inspect" "81dc9596d5c42341f83d7e3da79e3776dd6a651e769beeb594cde52781a84b08"` [INFO] running `"docker" "rm" "-f" "81dc9596d5c42341f83d7e3da79e3776dd6a651e769beeb594cde52781a84b08"` [INFO] [stdout] 81dc9596d5c42341f83d7e3da79e3776dd6a651e769beeb594cde52781a84b08 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/fudini/neurust:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 453dc09bb3fcea2eb31bf7344263b26d776e30281f0d2afd91969680c031da1f [INFO] running `"docker" "start" "-a" "453dc09bb3fcea2eb31bf7344263b26d776e30281f0d2afd91969680c031da1f"` [INFO] [stderr] Compiling neurust v0.1.0 (/opt/crater/workdir) [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:36:13 [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:36:1 [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: method is never used: `import` [INFO] [stderr] --> src/neural.rs:180:5 [INFO] [stderr] | [INFO] [stderr] 180 | pub fn import(data: Data) -> NeuralNetwork { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `export` [INFO] [stderr] --> src/neural.rs:198:5 [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:136:1 [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:16:5 [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:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | fn tanh_derivative(o: f64) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item 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:88:1 [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] Finished dev [unoptimized + debuginfo] target(s) in 2.36s [INFO] running `"docker" "inspect" "453dc09bb3fcea2eb31bf7344263b26d776e30281f0d2afd91969680c031da1f"` [INFO] running `"docker" "rm" "-f" "453dc09bb3fcea2eb31bf7344263b26d776e30281f0d2afd91969680c031da1f"` [INFO] [stdout] 453dc09bb3fcea2eb31bf7344263b26d776e30281f0d2afd91969680c031da1f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/fudini/neurust:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 3afcafebab014d5d2d58ee7846053d1754cb98455076af84483a70451f84f020 [INFO] running `"docker" "start" "-a" "3afcafebab014d5d2d58ee7846053d1754cb98455076af84483a70451f84f020"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/neurust-b516ae05d36e317e [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test neural::test ... ok [INFO] [stderr] Running /opt/crater/target/debug/deps/neurust-5cecb1282b6e4f72 [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests neurust [INFO] [stdout] [INFO] [stdout] running 1 test [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 `"docker" "inspect" "3afcafebab014d5d2d58ee7846053d1754cb98455076af84483a70451f84f020"` [INFO] running `"docker" "rm" "-f" "3afcafebab014d5d2d58ee7846053d1754cb98455076af84483a70451f84f020"` [INFO] [stdout] 3afcafebab014d5d2d58ee7846053d1754cb98455076af84483a70451f84f020