[INFO] updating cached repository https://github.com/woowe/rust_ann [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 37ab0eecd42f3fffbdb8389ccd090d13541be58e [INFO] checking woowe/rust_ann against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoowe%2Frust_ann" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. 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Memory limited without swap. [INFO] [stdout] 7259eeed7c554ef945fd6ef1ab649de34bdff1ff89e9a2a88a9ed61cc2e0e62d [INFO] running `"docker" "start" "-a" "7259eeed7c554ef945fd6ef1ab649de34bdff1ff89e9a2a88a9ed61cc2e0e62d"` [INFO] [stderr] Checking libc v0.2.17 [INFO] [stderr] Checking matrixmultiply v0.1.11 [INFO] [stderr] Checking rand v0.3.14 [INFO] [stderr] Checking num_cpus v1.1.0 [INFO] [stderr] Checking deque v0.3.1 [INFO] [stderr] Checking rayon v0.4.3 [INFO] [stderr] Checking num_rust v0.1.0 (https://github.com/woowe/num_rust.git#ad88ba18) [INFO] [stderr] Checking rust_ann v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/neural_net.rs:82:17 [INFO] [stderr] | [INFO] [stderr] 82 | let _ = try!(self.layers[1].set_activity(input, &self.weights[0])); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/neural_net.rs:88:21 [INFO] [stderr] | [INFO] [stderr] 88 | let _ = try!(self.layers[idx + 1].set_activity(&prev_activation, weight)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/trainer.rs:44:28 [INFO] [stderr] | [INFO] [stderr] 44 | let pred = try!(self.net.predict(s_input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/trainer.rs:45:25 [INFO] [stderr] | [INFO] [stderr] 45 | djdws = try!(self.cost.cost_prime(self.net, &s_input, &s_output, &pred)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:45:24 [INFO] [stderr] | [INFO] [stderr] 45 | let mut file = try!(File::open(path)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `utils::*` [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use utils::*; [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/neural_net.rs:46:26 [INFO] [stderr] | [INFO] [stderr] 46 | fn new(desc: Vec>) -> Result; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Layer` [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/neural_net.rs:51:35 [INFO] [stderr] | [INFO] [stderr] 51 | fn get_layers(&self) -> &[Box]; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Layer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/neural_net.rs:55:21 [INFO] [stderr] | [INFO] [stderr] 55 | layers: Vec>, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Layer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/neural_net.rs:63:26 [INFO] [stderr] | [INFO] [stderr] 63 | fn new(desc: Vec>) -> Result { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Layer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/neural_net.rs:117:35 [INFO] [stderr] | [INFO] [stderr] 117 | fn get_layers(&self) -> &[Box] { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Layer` [INFO] [stderr] [INFO] [stderr] warning: type `MSE_Reg` should have an upper camel case name [INFO] [stderr] --> src/cost_function.rs:20:12 [INFO] [stderr] | [INFO] [stderr] 20 | pub struct MSE_Reg { [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper camel case: `MseReg` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/neural_net.rs:82:17 [INFO] [stderr] | [INFO] [stderr] 82 | let _ = try!(self.layers[1].set_activity(input, &self.weights[0])); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/neural_net.rs:88:21 [INFO] [stderr] | [INFO] [stderr] 88 | let _ = try!(self.layers[idx + 1].set_activity(&prev_activation, weight)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/trainer.rs:44:28 [INFO] [stderr] | [INFO] [stderr] 44 | let pred = try!(self.net.predict(s_input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/trainer.rs:45:25 [INFO] [stderr] | [INFO] [stderr] 45 | djdws = try!(self.cost.cost_prime(self.net, &s_input, &s_output, &pred)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:45:24 [INFO] [stderr] | [INFO] [stderr] 45 | let mut file = try!(File::open(path)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `utils::*` [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use utils::*; [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/neural_net.rs:46:26 [INFO] [stderr] | [INFO] [stderr] 46 | fn new(desc: Vec>) -> Result; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Layer` [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/neural_net.rs:51:35 [INFO] [stderr] | [INFO] [stderr] 51 | fn get_layers(&self) -> &[Box]; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Layer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/neural_net.rs:55:21 [INFO] [stderr] | [INFO] [stderr] 55 | layers: Vec>, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Layer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/neural_net.rs:63:26 [INFO] [stderr] | [INFO] [stderr] 63 | fn new(desc: Vec>) -> Result { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Layer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/neural_net.rs:117:35 [INFO] [stderr] | [INFO] [stderr] 117 | fn get_layers(&self) -> &[Box] { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Layer` [INFO] [stderr] [INFO] [stderr] warning: type `MSE_Reg` should have an upper camel case name [INFO] [stderr] --> src/cost_function.rs:20:12 [INFO] [stderr] | [INFO] [stderr] 20 | pub struct MSE_Reg { [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper camel case: `MseReg` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nn_pred` [INFO] [stderr] --> src/main.rs:193:13 [INFO] [stderr] | [INFO] [stderr] 193 | let nn_pred = max_pred_idx; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_nn_pred` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `actual_pred` [INFO] [stderr] --> src/main.rs:194:13 [INFO] [stderr] | [INFO] [stderr] 194 | let actual_pred = actual_idx; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_actual_pred` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/main.rs:57:17 [INFO] [stderr] | [INFO] [stderr] 57 | let res: isize = enl.par_iter().map(|&(i, line)| { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `djdws` is never read [INFO] [stderr] --> src/trainer.rs:40:17 [INFO] [stderr] | [INFO] [stderr] 40 | let mut djdws: Vec = Vec::new(); [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: unused variable: `nn_pred` [INFO] [stderr] --> src/main.rs:193:13 [INFO] [stderr] | [INFO] [stderr] 193 | let nn_pred = max_pred_idx; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_nn_pred` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `actual_pred` [INFO] [stderr] --> src/main.rs:194:13 [INFO] [stderr] | [INFO] [stderr] 194 | let actual_pred = actual_idx; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_actual_pred` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/main.rs:57:17 [INFO] [stderr] | [INFO] [stderr] 57 | let res: isize = enl.par_iter().map(|&(i, line)| { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `djdws` is never read [INFO] [stderr] --> src/trainer.rs:40:17 [INFO] [stderr] | [INFO] [stderr] 40 | let mut djdws: Vec = Vec::new(); [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: function is never used: `set_params` [INFO] [stderr] --> src/utils.rs:73:1 [INFO] [stderr] | [INFO] [stderr] 73 | fn set_params(nn: &mut NN, params: Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_params` [INFO] [stderr] --> src/utils.rs:88:1 [INFO] [stderr] | [INFO] [stderr] 88 | fn get_params(nn: &NN) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compute_gradients` [INFO] [stderr] --> src/utils.rs:96:1 [INFO] [stderr] | [INFO] [stderr] 96 | fn compute_gradients(nn: &mut NN, cost: &mut C,input: &Matrix2d, output: &Matrix2d) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compute_numerical_gradients` [INFO] [stderr] --> src/utils.rs:107:1 [INFO] [stderr] | [INFO] [stderr] 107 | fn compute_numerical_gradients(nn: &mut NN, cost: &mut C, x: &Matrix2d, y: &Matrix2d) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `check_gradient` [INFO] [stderr] --> src/utils.rs:132:1 [INFO] [stderr] | [INFO] [stderr] 132 | pub fn check_gradient(nn: &mut NN, cost: &mut C, x: &Matrix2d, y: &Matrix2d) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `normalized_train_data` [INFO] [stderr] --> src/main.rs:87:5 [INFO] [stderr] | [INFO] [stderr] 87 | pub fn normalized_train_data(&self) -> (Matrix2d, Matrix2d) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `normalized_test_data` [INFO] [stderr] --> src/main.rs:91:5 [INFO] [stderr] | [INFO] [stderr] 91 | pub fn normalized_test_data(&self) -> (Matrix2d, Matrix2d) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/trainer.rs:68:16 [INFO] [stderr] | [INFO] [stderr] 68 | if i >= 0 { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `frobenius_norm` [INFO] [stderr] --> src/utils.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn frobenius_norm(m: &Matrix2d) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `vec_bin_op` [INFO] [stderr] --> src/utils.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | / pub fn vec_bin_op(u: &[f64], v: &[f64], f: F) -> Vec [INFO] [stderr] 49 | | where F: Fn(f64, f64) -> f64 [INFO] [stderr] 50 | | { [INFO] [stderr] 51 | | debug_assert_eq!(u.len(), v.len()); [INFO] [stderr] ... | [INFO] [stderr] 70 | | out_vec [INFO] [stderr] 71 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `set_params` [INFO] [stderr] --> src/utils.rs:73:1 [INFO] [stderr] | [INFO] [stderr] 73 | fn set_params(nn: &mut NN, params: Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_params` [INFO] [stderr] --> src/utils.rs:88:1 [INFO] [stderr] | [INFO] [stderr] 88 | fn get_params(nn: &NN) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compute_gradients` [INFO] [stderr] --> src/utils.rs:96:1 [INFO] [stderr] | [INFO] [stderr] 96 | fn compute_gradients(nn: &mut NN, cost: &mut C,input: &Matrix2d, output: &Matrix2d) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compute_numerical_gradients` [INFO] [stderr] --> src/utils.rs:107:1 [INFO] [stderr] | [INFO] [stderr] 107 | fn compute_numerical_gradients(nn: &mut NN, cost: &mut C, x: &Matrix2d, y: &Matrix2d) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `check_gradient` [INFO] [stderr] --> src/utils.rs:132:1 [INFO] [stderr] | [INFO] [stderr] 132 | pub fn check_gradient(nn: &mut NN, cost: &mut C, x: &Matrix2d, y: &Matrix2d) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `normalized_train_data` [INFO] [stderr] --> src/main.rs:87:5 [INFO] [stderr] | [INFO] [stderr] 87 | pub fn normalized_train_data(&self) -> (Matrix2d, Matrix2d) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `normalized_test_data` [INFO] [stderr] --> src/main.rs:91:5 [INFO] [stderr] | [INFO] [stderr] 91 | pub fn normalized_test_data(&self) -> (Matrix2d, Matrix2d) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/trainer.rs:68:16 [INFO] [stderr] | [INFO] [stderr] 68 | if i >= 0 { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.96s [INFO] running `"docker" "inspect" "7259eeed7c554ef945fd6ef1ab649de34bdff1ff89e9a2a88a9ed61cc2e0e62d"` [INFO] running `"docker" "rm" "-f" "7259eeed7c554ef945fd6ef1ab649de34bdff1ff89e9a2a88a9ed61cc2e0e62d"` [INFO] [stdout] 7259eeed7c554ef945fd6ef1ab649de34bdff1ff89e9a2a88a9ed61cc2e0e62d