[INFO] updating cached repository https://github.com/matyushinleonid/Rust_Perceptron [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] a6cefd306a91f82fe95436633d7779f73f370e57 [INFO] testing matyushinleonid/Rust_Perceptron against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatyushinleonid%2FRust_Perceptron" "work/builds/worker-0/source"` [INFO] [stderr] Cloning into 'work/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matyushinleonid/Rust_Perceptron on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/matyushinleonid/Rust_Perceptron [INFO] finished tweaking git repo https://github.com/matyushinleonid/Rust_Perceptron [INFO] tweaked toml for git repo https://github.com/matyushinleonid/Rust_Perceptron written to work/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/matyushinleonid/Rust_Perceptron already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "build" "--frozen"` [INFO] [stdout] 224b7c74295176978e57007f0afc288580861dec143f3b4ffe0f713eff302a8d [INFO] running `"docker" "start" "-a" "224b7c74295176978e57007f0afc288580861dec143f3b4ffe0f713eff302a8d"` [INFO] [stderr] Compiling approx v0.3.1 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling alga v0.7.2 [INFO] [stderr] Compiling nalgebra v0.16.13 [INFO] [stderr] Compiling RustProject v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:128:31 [INFO] [stderr] | [INFO] [stderr] 128 | fn init(&mut self) -> () {;} [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolon)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:142:31 [INFO] [stderr] | [INFO] [stderr] 142 | fn init(&mut self) -> () {;} [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:157:31 [INFO] [stderr] | [INFO] [stderr] 157 | fn init(&mut self) -> () {;} [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: value assigned to `gr` is never read [INFO] [stderr] --> src/main.rs:187:5 [INFO] [stderr] | [INFO] [stderr] 187 | gr = model.l1.backward(gr); [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: `y` [INFO] [stderr] --> src/main.rs:178:57 [INFO] [stderr] | [INFO] [stderr] 178 | fn forward_backward(model: &mut Perceptrone, X: Matrix, y:Matrix) -> f64 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `batch_size` [INFO] [stderr] --> src/main.rs:193:9 [INFO] [stderr] | [INFO] [stderr] 193 | let batch_size = batch_size as usize; [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_batch_size` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:251:9 [INFO] [stderr] | [INFO] [stderr] 251 | for i in 1..100 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ones` [INFO] [stderr] --> src/main.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | let ones = Matrix::from_element(self.s0, 1, 1.); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_ones` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dLdY` [INFO] [stderr] --> src/main.rs:129:28 [INFO] [stderr] | [INFO] [stderr] 129 | fn backward(&mut self, dLdY: Matrix) -> Matrix { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_dLdY` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dLdY` [INFO] [stderr] --> src/main.rs:143:28 [INFO] [stderr] | [INFO] [stderr] 143 | fn backward(&mut self, dLdY: Matrix) -> Matrix { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_dLdY` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dLdY` [INFO] [stderr] --> src/main.rs:158:28 [INFO] [stderr] | [INFO] [stderr] 158 | fn backward(&mut self, dLdY: Matrix) -> Matrix { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_dLdY` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut a = DMatrix::from_row_slice(m, n, &mat[..]); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:109:13 [INFO] [stderr] | [INFO] [stderr] 109 | let mut gradW = self.buffer_X.transpose() * &dLdY; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:194:9 [INFO] [stderr] | [INFO] [stderr] 194 | let mut X_train = parse("X_train.txt"); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:195:9 [INFO] [stderr] | [INFO] [stderr] 195 | let mut y_train = parse("y_train.txt"); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:197:9 [INFO] [stderr] | [INFO] [stderr] 197 | let mut X_test = parse("X_test.txt"); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:221:9 [INFO] [stderr] | [INFO] [stderr] 221 | let mut l3 = Linear{ [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:232:9 [INFO] [stderr] | [INFO] [stderr] 232 | let mut l4 = MSE{ [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `s0` [INFO] [stderr] --> src/main.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | s0: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `s0` [INFO] [stderr] --> src/main.rs:83:5 [INFO] [stderr] | [INFO] [stderr] 83 | s0: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `RustProject` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `rust_project` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | writeln!(file, "{}", strings.join(" ")); [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] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: structure field `W` should have a snake case name [INFO] [stderr] --> src/main.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | W: Matrix, [INFO] [stderr] | ^ help: convert the identifier to snake case: `w` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_Y` should have a snake case name [INFO] [stderr] --> src/main.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | buffer_Y:Matrix, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_y` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_X` should have a snake case name [INFO] [stderr] --> src/main.rs:69:5 [INFO] [stderr] | [INFO] [stderr] 69 | buffer_X:Matrix [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_x` [INFO] [stderr] [INFO] [stderr] warning: structure field `true_Y` should have a snake case name [INFO] [stderr] --> src/main.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 73 | true_Y: Matrix, [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `true_y` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_X` should have a snake case name [INFO] [stderr] --> src/main.rs:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | buffer_X: Matrix, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_x` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_Y` should have a snake case name [INFO] [stderr] --> src/main.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | buffer_Y: Matrix [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_y` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_X` should have a snake case name [INFO] [stderr] --> src/main.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | buffer_X: Matrix, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_x` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_Y` should have a snake case name [INFO] [stderr] --> src/main.rs:80:5 [INFO] [stderr] | [INFO] [stderr] 80 | buffer_Y: Matrix [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_y` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_X` should have a snake case name [INFO] [stderr] --> src/main.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | buffer_X: Matrix, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_x` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_Y` should have a snake case name [INFO] [stderr] --> src/main.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | buffer_Y: Matrix [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_y` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:89:27 [INFO] [stderr] | [INFO] [stderr] 89 | fn forward(&mut self, X: Matrix) -> Matrix; [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdY` should have a snake case name [INFO] [stderr] --> src/main.rs:91:28 [INFO] [stderr] | [INFO] [stderr] 91 | fn backward(&mut self, dLdY: Matrix) -> Matrix; [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `d_ld_y` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:95:27 [INFO] [stderr] | [INFO] [stderr] 95 | fn forward(&mut self, X: Matrix) -> Matrix { [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdY` should have a snake case name [INFO] [stderr] --> src/main.rs:108:28 [INFO] [stderr] | [INFO] [stderr] 108 | fn backward(&mut self, dLdY: Matrix) -> Matrix { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `d_ld_y` [INFO] [stderr] [INFO] [stderr] warning: variable `gradW` should have a snake case name [INFO] [stderr] --> src/main.rs:109:17 [INFO] [stderr] | [INFO] [stderr] 109 | let mut gradW = self.buffer_X.transpose() * &dLdY; [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `grad_w` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:121:27 [INFO] [stderr] | [INFO] [stderr] 121 | fn forward(&mut self, X: Matrix) -> Matrix { [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdY` should have a snake case name [INFO] [stderr] --> src/main.rs:129:28 [INFO] [stderr] | [INFO] [stderr] 129 | fn backward(&mut self, dLdY: Matrix) -> Matrix { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `d_ld_y` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:135:27 [INFO] [stderr] | [INFO] [stderr] 135 | fn forward(&mut self, X: Matrix) -> Matrix { [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdY` should have a snake case name [INFO] [stderr] --> src/main.rs:143:28 [INFO] [stderr] | [INFO] [stderr] 143 | fn backward(&mut self, dLdY: Matrix) -> Matrix { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `d_ld_y` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:151:27 [INFO] [stderr] | [INFO] [stderr] 151 | fn forward(&mut self, X: Matrix) -> Matrix { [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdY` should have a snake case name [INFO] [stderr] --> src/main.rs:158:28 [INFO] [stderr] | [INFO] [stderr] 158 | fn backward(&mut self, dLdY: Matrix) -> Matrix { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `d_ld_y` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:172:37 [INFO] [stderr] | [INFO] [stderr] 172 | fn forward(model: &mut Perceptrone, X: Matrix) -> Matrix{ [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:178:46 [INFO] [stderr] | [INFO] [stderr] 178 | fn forward_backward(model: &mut Perceptrone, X: Matrix, y:Matrix) -> f64 { [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `X_train` should have a snake case name [INFO] [stderr] --> src/main.rs:194:13 [INFO] [stderr] | [INFO] [stderr] 194 | let mut X_train = parse("X_train.txt"); [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `x_train` [INFO] [stderr] [INFO] [stderr] warning: variable `X_test` should have a snake case name [INFO] [stderr] --> src/main.rs:197:13 [INFO] [stderr] | [INFO] [stderr] 197 | let mut X_test = parse("X_test.txt"); [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `x_test` [INFO] [stderr] [INFO] [stderr] warning: variable `W1` should have a snake case name [INFO] [stderr] --> src/main.rs:199:9 [INFO] [stderr] | [INFO] [stderr] 199 | let W1:Matrix = DMatrix::from_element(4, 32, 0.01); [INFO] [stderr] | ^^ help: convert the identifier to snake case: `w1` [INFO] [stderr] [INFO] [stderr] warning: variable `W2` should have a snake case name [INFO] [stderr] --> src/main.rs:200:9 [INFO] [stderr] | [INFO] [stderr] 200 | let W2:Matrix = DMatrix::from_element(32, 1, 0.01); [INFO] [stderr] | ^^ help: convert the identifier to snake case: `w2` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.66s [INFO] running `"docker" "inspect" "224b7c74295176978e57007f0afc288580861dec143f3b4ffe0f713eff302a8d"` [INFO] running `"docker" "rm" "-f" "224b7c74295176978e57007f0afc288580861dec143f3b4ffe0f713eff302a8d"` [INFO] [stdout] 224b7c74295176978e57007f0afc288580861dec143f3b4ffe0f713eff302a8d [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] cfb6e0265172f4b084bd49020a6e9d1d99bcf2639f6d0cc962b6d126e09aa858 [INFO] running `"docker" "start" "-a" "cfb6e0265172f4b084bd49020a6e9d1d99bcf2639f6d0cc962b6d126e09aa858"` [INFO] [stderr] Compiling RustProject v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:128:31 [INFO] [stderr] | [INFO] [stderr] 128 | fn init(&mut self) -> () {;} [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolon)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:142:31 [INFO] [stderr] | [INFO] [stderr] 142 | fn init(&mut self) -> () {;} [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:157:31 [INFO] [stderr] | [INFO] [stderr] 157 | fn init(&mut self) -> () {;} [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: value assigned to `gr` is never read [INFO] [stderr] --> src/main.rs:187:5 [INFO] [stderr] | [INFO] [stderr] 187 | gr = model.l1.backward(gr); [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: `y` [INFO] [stderr] --> src/main.rs:178:57 [INFO] [stderr] | [INFO] [stderr] 178 | fn forward_backward(model: &mut Perceptrone, X: Matrix, y:Matrix) -> f64 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `batch_size` [INFO] [stderr] --> src/main.rs:193:9 [INFO] [stderr] | [INFO] [stderr] 193 | let batch_size = batch_size as usize; [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_batch_size` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:251:9 [INFO] [stderr] | [INFO] [stderr] 251 | for i in 1..100 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ones` [INFO] [stderr] --> src/main.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | let ones = Matrix::from_element(self.s0, 1, 1.); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_ones` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dLdY` [INFO] [stderr] --> src/main.rs:129:28 [INFO] [stderr] | [INFO] [stderr] 129 | fn backward(&mut self, dLdY: Matrix) -> Matrix { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_dLdY` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dLdY` [INFO] [stderr] --> src/main.rs:143:28 [INFO] [stderr] | [INFO] [stderr] 143 | fn backward(&mut self, dLdY: Matrix) -> Matrix { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_dLdY` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dLdY` [INFO] [stderr] --> src/main.rs:158:28 [INFO] [stderr] | [INFO] [stderr] 158 | fn backward(&mut self, dLdY: Matrix) -> Matrix { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_dLdY` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut a = DMatrix::from_row_slice(m, n, &mat[..]); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:109:13 [INFO] [stderr] | [INFO] [stderr] 109 | let mut gradW = self.buffer_X.transpose() * &dLdY; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:194:9 [INFO] [stderr] | [INFO] [stderr] 194 | let mut X_train = parse("X_train.txt"); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:195:9 [INFO] [stderr] | [INFO] [stderr] 195 | let mut y_train = parse("y_train.txt"); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:197:9 [INFO] [stderr] | [INFO] [stderr] 197 | let mut X_test = parse("X_test.txt"); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:221:9 [INFO] [stderr] | [INFO] [stderr] 221 | let mut l3 = Linear{ [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:232:9 [INFO] [stderr] | [INFO] [stderr] 232 | let mut l4 = MSE{ [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `s0` [INFO] [stderr] --> src/main.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | s0: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `s0` [INFO] [stderr] --> src/main.rs:83:5 [INFO] [stderr] | [INFO] [stderr] 83 | s0: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `RustProject` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `rust_project` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | writeln!(file, "{}", strings.join(" ")); [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] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: structure field `W` should have a snake case name [INFO] [stderr] --> src/main.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | W: Matrix, [INFO] [stderr] | ^ help: convert the identifier to snake case: `w` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_Y` should have a snake case name [INFO] [stderr] --> src/main.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | buffer_Y:Matrix, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_y` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_X` should have a snake case name [INFO] [stderr] --> src/main.rs:69:5 [INFO] [stderr] | [INFO] [stderr] 69 | buffer_X:Matrix [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_x` [INFO] [stderr] [INFO] [stderr] warning: structure field `true_Y` should have a snake case name [INFO] [stderr] --> src/main.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 73 | true_Y: Matrix, [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `true_y` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_X` should have a snake case name [INFO] [stderr] --> src/main.rs:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | buffer_X: Matrix, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_x` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_Y` should have a snake case name [INFO] [stderr] --> src/main.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | buffer_Y: Matrix [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_y` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_X` should have a snake case name [INFO] [stderr] --> src/main.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | buffer_X: Matrix, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_x` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_Y` should have a snake case name [INFO] [stderr] --> src/main.rs:80:5 [INFO] [stderr] | [INFO] [stderr] 80 | buffer_Y: Matrix [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_y` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_X` should have a snake case name [INFO] [stderr] --> src/main.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | buffer_X: Matrix, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_x` [INFO] [stderr] [INFO] [stderr] warning: structure field `buffer_Y` should have a snake case name [INFO] [stderr] --> src/main.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | buffer_Y: Matrix [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `buffer_y` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:89:27 [INFO] [stderr] | [INFO] [stderr] 89 | fn forward(&mut self, X: Matrix) -> Matrix; [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdY` should have a snake case name [INFO] [stderr] --> src/main.rs:91:28 [INFO] [stderr] | [INFO] [stderr] 91 | fn backward(&mut self, dLdY: Matrix) -> Matrix; [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `d_ld_y` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:95:27 [INFO] [stderr] | [INFO] [stderr] 95 | fn forward(&mut self, X: Matrix) -> Matrix { [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdY` should have a snake case name [INFO] [stderr] --> src/main.rs:108:28 [INFO] [stderr] | [INFO] [stderr] 108 | fn backward(&mut self, dLdY: Matrix) -> Matrix { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `d_ld_y` [INFO] [stderr] [INFO] [stderr] warning: variable `gradW` should have a snake case name [INFO] [stderr] --> src/main.rs:109:17 [INFO] [stderr] | [INFO] [stderr] 109 | let mut gradW = self.buffer_X.transpose() * &dLdY; [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `grad_w` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:121:27 [INFO] [stderr] | [INFO] [stderr] 121 | fn forward(&mut self, X: Matrix) -> Matrix { [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdY` should have a snake case name [INFO] [stderr] --> src/main.rs:129:28 [INFO] [stderr] | [INFO] [stderr] 129 | fn backward(&mut self, dLdY: Matrix) -> Matrix { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `d_ld_y` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:135:27 [INFO] [stderr] | [INFO] [stderr] 135 | fn forward(&mut self, X: Matrix) -> Matrix { [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdY` should have a snake case name [INFO] [stderr] --> src/main.rs:143:28 [INFO] [stderr] | [INFO] [stderr] 143 | fn backward(&mut self, dLdY: Matrix) -> Matrix { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `d_ld_y` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:151:27 [INFO] [stderr] | [INFO] [stderr] 151 | fn forward(&mut self, X: Matrix) -> Matrix { [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdY` should have a snake case name [INFO] [stderr] --> src/main.rs:158:28 [INFO] [stderr] | [INFO] [stderr] 158 | fn backward(&mut self, dLdY: Matrix) -> Matrix { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `d_ld_y` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:172:37 [INFO] [stderr] | [INFO] [stderr] 172 | fn forward(model: &mut Perceptrone, X: Matrix) -> Matrix{ [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:178:46 [INFO] [stderr] | [INFO] [stderr] 178 | fn forward_backward(model: &mut Perceptrone, X: Matrix, y:Matrix) -> f64 { [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `X_train` should have a snake case name [INFO] [stderr] --> src/main.rs:194:13 [INFO] [stderr] | [INFO] [stderr] 194 | let mut X_train = parse("X_train.txt"); [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `x_train` [INFO] [stderr] [INFO] [stderr] warning: variable `X_test` should have a snake case name [INFO] [stderr] --> src/main.rs:197:13 [INFO] [stderr] | [INFO] [stderr] 197 | let mut X_test = parse("X_test.txt"); [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `x_test` [INFO] [stderr] [INFO] [stderr] warning: variable `W1` should have a snake case name [INFO] [stderr] --> src/main.rs:199:9 [INFO] [stderr] | [INFO] [stderr] 199 | let W1:Matrix = DMatrix::from_element(4, 32, 0.01); [INFO] [stderr] | ^^ help: convert the identifier to snake case: `w1` [INFO] [stderr] [INFO] [stderr] warning: variable `W2` should have a snake case name [INFO] [stderr] --> src/main.rs:200:9 [INFO] [stderr] | [INFO] [stderr] 200 | let W2:Matrix = DMatrix::from_element(32, 1, 0.01); [INFO] [stderr] | ^^ help: convert the identifier to snake case: `w2` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `"docker" "inspect" "cfb6e0265172f4b084bd49020a6e9d1d99bcf2639f6d0cc962b6d126e09aa858"` [INFO] running `"docker" "rm" "-f" "cfb6e0265172f4b084bd49020a6e9d1d99bcf2639f6d0cc962b6d126e09aa858"` [INFO] [stdout] cfb6e0265172f4b084bd49020a6e9d1d99bcf2639f6d0cc962b6d126e09aa858 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "test" "--frozen"` [INFO] [stdout] b047db2adce914a609c7357b9213c173071d687686d8f54a8a193d098d679fd7 [INFO] running `"docker" "start" "-a" "b047db2adce914a609c7357b9213c173071d687686d8f54a8a193d098d679fd7"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/RustProject-d59304ebbb92c384 [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" "b047db2adce914a609c7357b9213c173071d687686d8f54a8a193d098d679fd7"` [INFO] running `"docker" "rm" "-f" "b047db2adce914a609c7357b9213c173071d687686d8f54a8a193d098d679fd7"` [INFO] [stdout] b047db2adce914a609c7357b9213c173071d687686d8f54a8a193d098d679fd7