[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] testing woowe/rust_ann against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoowe%2Frust_ann" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/woowe/rust_ann on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/woowe/rust_ann [INFO] finished tweaking git repo https://github.com/woowe/rust_ann [INFO] tweaked toml for git repo https://github.com/woowe/rust_ann written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/woowe/rust_ann already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5563fa51512b21a654b984c9bcbe591e55c0937a27c57511441b04ff5fa9fcda [INFO] running `"docker" "start" "-a" "5563fa51512b21a654b984c9bcbe591e55c0937a27c57511441b04ff5fa9fcda"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling matrixmultiply v0.1.11 [INFO] [stderr] Compiling rayon v0.4.3 [INFO] [stderr] Compiling num_rust v0.1.0 (https://github.com/woowe/num_rust.git#ad88ba18) [INFO] [stderr] Compiling 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: 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `djdws` is never read [INFO] [stderr] --> src/trainer.rs:40:13 [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: `frobenius_norm` [INFO] [stderr] --> src/utils.rs:12:8 [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:48:8 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn vec_bin_op(u: &[f64], v: &[f64], f: F) -> Vec [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `set_params` [INFO] [stderr] --> src/utils.rs:73:4 [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:88:4 [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:96:4 [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:107:4 [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:132:8 [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: associated function is never used: `normalized_train_data` [INFO] [stderr] --> src/main.rs:87:12 [INFO] [stderr] | [INFO] [stderr] 87 | pub fn normalized_train_data(&self) -> (Matrix2d, Matrix2d) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `normalized_test_data` [INFO] [stderr] --> src/main.rs:91:12 [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: 26 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.22s [INFO] running `"docker" "inspect" "5563fa51512b21a654b984c9bcbe591e55c0937a27c57511441b04ff5fa9fcda"` [INFO] running `"docker" "rm" "-f" "5563fa51512b21a654b984c9bcbe591e55c0937a27c57511441b04ff5fa9fcda"` [INFO] [stdout] 5563fa51512b21a654b984c9bcbe591e55c0937a27c57511441b04ff5fa9fcda [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stdout] 74cdadd683796b19623067c163ac4da5cf932f2f179c1e0443436acf31454a3e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "74cdadd683796b19623067c163ac4da5cf932f2f179c1e0443436acf31454a3e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling 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: 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `djdws` is never read [INFO] [stderr] --> src/trainer.rs:40:13 [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:73:4 [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:88:4 [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:96:4 [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:107:4 [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:132:8 [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: associated function is never used: `normalized_train_data` [INFO] [stderr] --> src/main.rs:87:12 [INFO] [stderr] | [INFO] [stderr] 87 | pub fn normalized_train_data(&self) -> (Matrix2d, Matrix2d) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `normalized_test_data` [INFO] [stderr] --> src/main.rs:91:12 [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: 24 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.54s [INFO] running `"docker" "inspect" "74cdadd683796b19623067c163ac4da5cf932f2f179c1e0443436acf31454a3e"` [INFO] running `"docker" "rm" "-f" "74cdadd683796b19623067c163ac4da5cf932f2f179c1e0443436acf31454a3e"` [INFO] [stdout] 74cdadd683796b19623067c163ac4da5cf932f2f179c1e0443436acf31454a3e [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stdout] 6ad6a3702da9cea87ac95968f8c931f4da3f3f0edc4f671c54a5e3a4503c51e6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "6ad6a3702da9cea87ac95968f8c931f4da3f3f0edc4f671c54a5e3a4503c51e6"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `djdws` is never read [INFO] [stderr] --> src/trainer.rs:40:13 [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:73:4 [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:88:4 [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:96:4 [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:107:4 [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:132:8 [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: associated function is never used: `normalized_train_data` [INFO] [stderr] --> src/main.rs:87:12 [INFO] [stderr] | [INFO] [stderr] 87 | pub fn normalized_train_data(&self) -> (Matrix2d, Matrix2d) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `normalized_test_data` [INFO] [stderr] --> src/main.rs:91:12 [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: 24 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_ann-89be8f201b740131 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test utils::sum_vec_test ... ok [INFO] [stdout] test utils::frobenius_norm_test ... ok [INFO] [stdout] test utils::vec_bin_op_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "6ad6a3702da9cea87ac95968f8c931f4da3f3f0edc4f671c54a5e3a4503c51e6"` [INFO] running `"docker" "rm" "-f" "6ad6a3702da9cea87ac95968f8c931f4da3f3f0edc4f671c54a5e3a4503c51e6"` [INFO] [stdout] 6ad6a3702da9cea87ac95968f8c931f4da3f3f0edc4f671c54a5e3a4503c51e6