[INFO] updating cached repository tadeegan/nn-digits-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tadeegan/nn-digits-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tadeegan/nn-digits-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/tadeegan/nn-digits-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tadeegan/nn-digits-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tadeegan/nn-digits-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tadeegan/nn-digits-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tadeegan/nn-digits-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c1c57320e285dd708334482239280310817689c6 [INFO] sha for GitHub repo tadeegan/nn-digits-rust: c1c57320e285dd708334482239280310817689c6 [INFO] validating manifest of tadeegan/nn-digits-rust on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tadeegan/nn-digits-rust on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tadeegan/nn-digits-rust [INFO] finished frobbing tadeegan/nn-digits-rust [INFO] frobbed toml for tadeegan/nn-digits-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/tadeegan/nn-digits-rust/Cargo.toml [INFO] started frobbing tadeegan/nn-digits-rust [INFO] finished frobbing tadeegan/nn-digits-rust [INFO] frobbed toml for tadeegan/nn-digits-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tadeegan/nn-digits-rust/Cargo.toml [INFO] crate tadeegan/nn-digits-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing tadeegan/nn-digits-rust against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tadeegan/nn-digits-rust:/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 0d32cba6a06e146624c701aa3dd6b7cb9999c1a6a91a849963e0872b2ddfe0f7 [INFO] running `"docker" "start" "-a" "0d32cba6a06e146624c701aa3dd6b7cb9999c1a6a91a849963e0872b2ddfe0f7"` [INFO] [stderr] Compiling matrixmultiply v0.1.13 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling csv-core v0.1.3 [INFO] [stderr] Compiling rulinalg v0.4.2 [INFO] [stderr] Compiling csv v1.0.0-beta.5 [INFO] [stderr] Compiling digits v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `activations::TanH` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use activations::TanH; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:65:29 [INFO] [stderr] | [INFO] [stderr] 65 | let y = (i + a); [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:66:29 [INFO] [stderr] | [INFO] [stderr] 66 | let x = (j + b); [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:87:29 [INFO] [stderr] | [INFO] [stderr] 87 | let y = (i + a); [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:88:29 [INFO] [stderr] | [INFO] [stderr] 88 | let x = (j + b); [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:100:32 [INFO] [stderr] | [INFO] [stderr] 100 | fn example() -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `loss` [INFO] [stderr] --> src/main.rs:178:17 [INFO] [stderr] | [INFO] [stderr] 178 | let loss = a2.sum() - 1.0; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_loss` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | let mut label_matrix = Matrix::new(10, 1, dat); [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: function is never used: `sigmoid_loss` [INFO] [stderr] --> src/main.rs:38:1 [INFO] [stderr] | [INFO] [stderr] 38 | fn sigmoid_loss(yhat: f64, y: f64) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `loss` [INFO] [stderr] --> src/main.rs:42:1 [INFO] [stderr] | [INFO] [stderr] 42 | fn loss(yhat: &Matrix, y: &Matrix) -> Matrix { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_dim` [INFO] [stderr] --> src/main.rs:51:1 [INFO] [stderr] | [INFO] [stderr] 51 | fn print_dim(m: &Matrix) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/main.rs:55:29 [INFO] [stderr] | [INFO] [stderr] 55 | fn conv(w : &Mat, xi: &Mat, N : usize) -> Matrix { [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/main.rs:77:18 [INFO] [stderr] | [INFO] [stderr] 77 | fn conv_gradient(X : &Mat, dLdz0 : &Mat, N : usize) -> Mat { [INFO] [stderr] | ^ help: convert the identifier to snake case: `x` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdz0` should have a snake case name [INFO] [stderr] --> src/main.rs:77:28 [INFO] [stderr] | [INFO] [stderr] 77 | fn conv_gradient(X : &Mat, dLdz0 : &Mat, N : usize) -> Mat { [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `d_ldz0` [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/main.rs:77:42 [INFO] [stderr] | [INFO] [stderr] 77 | fn conv_gradient(X : &Mat, dLdz0 : &Mat, N : usize) -> Mat { [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] [INFO] [stderr] warning: variable `W1` should have a snake case name [INFO] [stderr] --> src/main.rs:142:13 [INFO] [stderr] | [INFO] [stderr] 142 | let mut W1: Matrix = reproducible_random_matrix(26 * 26, hidden_layer_nodes); // 784x16 [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:143:13 [INFO] [stderr] | [INFO] [stderr] 143 | let mut W2: Matrix = reproducible_random_matrix(hidden_layer_nodes, 10); // 16x10 [INFO] [stderr] | ^^ help: convert the identifier to snake case: `w2` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdW2` should have a snake case name [INFO] [stderr] --> src/main.rs:181:17 [INFO] [stderr] | [INFO] [stderr] 181 | let dLdW2 = &a1 * (&a2 - y).transpose(); // -> 16x10 [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `d_ld_w2` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdz2` should have a snake case name [INFO] [stderr] --> src/main.rs:189:17 [INFO] [stderr] | [INFO] [stderr] 189 | let dLdz2 = &a2 - y; // 10x1 [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `d_ldz2` [INFO] [stderr] [INFO] [stderr] warning: variable `dLda1` should have a snake case name [INFO] [stderr] --> src/main.rs:190:17 [INFO] [stderr] | [INFO] [stderr] 190 | let dLda1 = &W2 * dLdz2; // 16x10 * 10x1 => 16x1 [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `d_lda1` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdz1` should have a snake case name [INFO] [stderr] --> src/main.rs:191:17 [INFO] [stderr] | [INFO] [stderr] 191 | let dLdz1 = dLda1.elemul(&z1.apply(&|x| ReLU::derivative(x))); // Apply sigmoid derivative => 16x1 [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `d_ldz1` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdW1` should have a snake case name [INFO] [stderr] --> src/main.rs:192:17 [INFO] [stderr] | [INFO] [stderr] 192 | let dLdW1 = a0 * dLdz1.transpose(); // (26*26)x16 [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `d_ld_w1` [INFO] [stderr] [INFO] [stderr] warning: variable `dLda0` should have a snake case name [INFO] [stderr] --> src/main.rs:198:17 [INFO] [stderr] | [INFO] [stderr] 198 | let dLda0 = &W1 * dLdz1; // (26*26)xhidden_layer_nodes * hidden_layer_nodesx1 => 26*26x1 [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `d_lda0` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdz0` should have a snake case name [INFO] [stderr] --> src/main.rs:200:17 [INFO] [stderr] | [INFO] [stderr] 200 | let dLdz0 = dLda0.elemul(da0dz0); // 16x1 [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `d_ldz0` [INFO] [stderr] [INFO] [stderr] warning: variable `dLdw0` should have a snake case name [INFO] [stderr] --> src/main.rs:201:17 [INFO] [stderr] | [INFO] [stderr] 201 | let dLdw0 = conv_gradient(xi, &dLdz0, 28); [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `d_ldw0` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.38s [INFO] running `"docker" "inspect" "0d32cba6a06e146624c701aa3dd6b7cb9999c1a6a91a849963e0872b2ddfe0f7"` [INFO] running `"docker" "rm" "-f" "0d32cba6a06e146624c701aa3dd6b7cb9999c1a6a91a849963e0872b2ddfe0f7"` [INFO] [stdout] 0d32cba6a06e146624c701aa3dd6b7cb9999c1a6a91a849963e0872b2ddfe0f7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tadeegan/nn-digits-rust:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 79c4a4c80f3f8fff0378b30d73903fc7b96564c68cadb36964b2eae104a68b66 [INFO] running `"docker" "start" "-a" "79c4a4c80f3f8fff0378b30d73903fc7b96564c68cadb36964b2eae104a68b66"` [INFO] [stderr] Compiling digits v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `activations::TanH` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use activations::TanH; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:65:29 [INFO] [stderr] | [INFO] [stderr] 65 | let y = (i + a); [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:66:29 [INFO] [stderr] | [INFO] [stderr] 66 | let x = (j + b); [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:87:29 [INFO] [stderr] | [INFO] [stderr] 87 | let y = (i + a); [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:88:29 [INFO] [stderr] | [INFO] [stderr] 88 | let x = (j + b); [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:100:32 [INFO] [stderr] | [INFO] [stderr] 100 | fn example() -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rulinalg::matrix::BaseMatrixMut` [INFO] [stderr] --> src/main.rs:262:9 [INFO] [stderr] | [INFO] [stderr] 262 | use rulinalg::matrix::BaseMatrixMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:269:24 [INFO] [stderr] | [INFO] [stderr] 269 | let out = conv(w, x, 4); [INFO] [stderr] | ^ [INFO] [stderr] | | [INFO] [stderr] | expected reference, found struct `rulinalg::matrix::Matrix` [INFO] [stderr] | help: consider borrowing here: `&w` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&rulinalg::matrix::Matrix` [INFO] [stderr] found type `rulinalg::matrix::Matrix<_>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:269:27 [INFO] [stderr] | [INFO] [stderr] 269 | let out = conv(w, x, 4); [INFO] [stderr] | ^ [INFO] [stderr] | | [INFO] [stderr] | expected reference, found struct `rulinalg::matrix::Matrix` [INFO] [stderr] | help: consider borrowing here: `&x` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&rulinalg::matrix::Matrix` [INFO] [stderr] found type `rulinalg::matrix::Matrix<_>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:278:24 [INFO] [stderr] | [INFO] [stderr] 278 | let out = conv(w, x, 4); [INFO] [stderr] | ^ [INFO] [stderr] | | [INFO] [stderr] | expected reference, found struct `rulinalg::matrix::Matrix` [INFO] [stderr] | help: consider borrowing here: `&w` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&rulinalg::matrix::Matrix` [INFO] [stderr] found type `rulinalg::matrix::Matrix<_>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:278:27 [INFO] [stderr] | [INFO] [stderr] 278 | let out = conv(w, x, 4); [INFO] [stderr] | ^ [INFO] [stderr] | | [INFO] [stderr] | expected reference, found struct `rulinalg::matrix::Matrix` [INFO] [stderr] | help: consider borrowing here: `&x` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&rulinalg::matrix::Matrix` [INFO] [stderr] found type `rulinalg::matrix::Matrix<_>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `digits`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "79c4a4c80f3f8fff0378b30d73903fc7b96564c68cadb36964b2eae104a68b66"` [INFO] running `"docker" "rm" "-f" "79c4a4c80f3f8fff0378b30d73903fc7b96564c68cadb36964b2eae104a68b66"` [INFO] [stdout] 79c4a4c80f3f8fff0378b30d73903fc7b96564c68cadb36964b2eae104a68b66