[INFO] cloning repository https://github.com/tadeegan/nn-digits-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tadeegan/nn-digits-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftadeegan%2Fnn-digits-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftadeegan%2Fnn-digits-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c1c57320e285dd708334482239280310817689c6 [INFO] checking tadeegan/nn-digits-rust against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftadeegan%2Fnn-digits-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tadeegan/nn-digits-rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tadeegan/nn-digits-rust [INFO] finished tweaking git repo https://github.com/tadeegan/nn-digits-rust [INFO] tweaked toml for git repo https://github.com/tadeegan/nn-digits-rust written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/tadeegan/nn-digits-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f551ea5ed9f07d4ec93d3380089c06c934a8eb498e28ac893df46bd85077369 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3f551ea5ed9f07d4ec93d3380089c06c934a8eb498e28ac893df46bd85077369", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f551ea5ed9f07d4ec93d3380089c06c934a8eb498e28ac893df46bd85077369", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f551ea5ed9f07d4ec93d3380089c06c934a8eb498e28ac893df46bd85077369", kill_on_drop: false }` [INFO] [stdout] 3f551ea5ed9f07d4ec93d3380089c06c934a8eb498e28ac893df46bd85077369 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e7d95fa71e4999fdc68d2745480856d0bd0413ecb3a9f58f5d7a37e00dbf9d4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4e7d95fa71e4999fdc68d2745480856d0bd0413ecb3a9f58f5d7a37e00dbf9d4", kill_on_drop: false }` [INFO] [stderr] Compiling matrixmultiply v0.1.13 [INFO] [stderr] Checking rawpointer v0.1.0 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking num v0.1.40 [INFO] [stderr] Checking csv-core v0.1.3 [INFO] [stderr] Checking csv v1.0.0-beta.5 [INFO] [stderr] Checking rulinalg v0.4.2 [INFO] [stderr] Checking digits v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `activations::TanH` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use activations::TanH; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:65:29 [INFO] [stdout] | [INFO] [stdout] 65 | let y = (i + a); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:66:29 [INFO] [stdout] | [INFO] [stdout] 66 | let x = (j + b); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:87:29 [INFO] [stdout] | [INFO] [stdout] 87 | let y = (i + a); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:88:29 [INFO] [stdout] | [INFO] [stdout] 88 | let x = (j + b); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:100:32 [INFO] [stdout] | [INFO] [stdout] 100 | fn example() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rulinalg::matrix::BaseMatrixMut` [INFO] [stdout] --> src/main.rs:262:9 [INFO] [stdout] | [INFO] [stdout] 262 | use rulinalg::matrix::BaseMatrixMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `activations::TanH` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use activations::TanH; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:65:29 [INFO] [stdout] | [INFO] [stdout] 65 | let y = (i + a); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:66:29 [INFO] [stdout] | [INFO] [stdout] 66 | let x = (j + b); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:87:29 [INFO] [stdout] | [INFO] [stdout] 87 | let y = (i + a); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:88:29 [INFO] [stdout] | [INFO] [stdout] 88 | let x = (j + b); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:100:32 [INFO] [stdout] | [INFO] [stdout] 100 | fn example() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loss` [INFO] [stdout] --> src/main.rs:178:17 [INFO] [stdout] | [INFO] [stdout] 178 | let loss = a2.sum() - 1.0; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_loss` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | let mut label_matrix = Matrix::new(10, 1, dat); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sigmoid_loss` [INFO] [stdout] --> src/main.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn sigmoid_loss(yhat: f64, y: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `loss` [INFO] [stdout] --> src/main.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn loss(yhat: &Matrix, y: &Matrix) -> Matrix { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_dim` [INFO] [stdout] --> src/main.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn print_dim(m: &Matrix) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> src/main.rs:55:29 [INFO] [stdout] | [INFO] [stdout] 55 | fn conv(w : &Mat, xi: &Mat, N : usize) -> Matrix { [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `X` should have a snake case name [INFO] [stdout] --> src/main.rs:77:18 [INFO] [stdout] | [INFO] [stdout] 77 | fn conv_gradient(X : &Mat, dLdz0 : &Mat, N : usize) -> Mat { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `dLdz0` should have a snake case name [INFO] [stdout] --> src/main.rs:77:28 [INFO] [stdout] | [INFO] [stdout] 77 | fn conv_gradient(X : &Mat, dLdz0 : &Mat, N : usize) -> Mat { [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `d_ldz0` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> src/main.rs:77:42 [INFO] [stdout] | [INFO] [stdout] 77 | fn conv_gradient(X : &Mat, dLdz0 : &Mat, N : usize) -> Mat { [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `W1` should have a snake case name [INFO] [stdout] --> src/main.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let mut W1: Matrix = reproducible_random_matrix(26 * 26, hidden_layer_nodes); // 784x16 [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `w1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `W2` should have a snake case name [INFO] [stdout] --> src/main.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 143 | let mut W2: Matrix = reproducible_random_matrix(hidden_layer_nodes, 10); // 16x10 [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `w2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `dLdW2` should have a snake case name [INFO] [stdout] --> src/main.rs:181:17 [INFO] [stdout] | [INFO] [stdout] 181 | let dLdW2 = &a1 * (&a2 - y).transpose(); // -> 16x10 [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `d_ld_w2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `dLdz2` should have a snake case name [INFO] [stdout] --> src/main.rs:189:17 [INFO] [stdout] | [INFO] [stdout] 189 | let dLdz2 = &a2 - y; // 10x1 [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `d_ldz2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `dLda1` should have a snake case name [INFO] [stdout] --> src/main.rs:190:17 [INFO] [stdout] | [INFO] [stdout] 190 | let dLda1 = &W2 * dLdz2; // 16x10 * 10x1 => 16x1 [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `d_lda1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `dLdz1` should have a snake case name [INFO] [stdout] --> src/main.rs:191:17 [INFO] [stdout] | [INFO] [stdout] 191 | let dLdz1 = dLda1.elemul(&z1.apply(&|x| ReLU::derivative(x))); // Apply sigmoid derivative => 16x1 [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `d_ldz1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `dLdW1` should have a snake case name [INFO] [stdout] --> src/main.rs:192:17 [INFO] [stdout] | [INFO] [stdout] 192 | let dLdW1 = a0 * dLdz1.transpose(); // (26*26)x16 [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `d_ld_w1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `dLda0` should have a snake case name [INFO] [stdout] --> src/main.rs:198:17 [INFO] [stdout] | [INFO] [stdout] 198 | let dLda0 = &W1 * dLdz1; // (26*26)xhidden_layer_nodes * hidden_layer_nodesx1 => 26*26x1 [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `d_lda0` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `dLdz0` should have a snake case name [INFO] [stdout] --> src/main.rs:200:17 [INFO] [stdout] | [INFO] [stdout] 200 | let dLdz0 = dLda0.elemul(da0dz0); // 16x1 [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `d_ldz0` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `dLdw0` should have a snake case name [INFO] [stdout] --> src/main.rs:201:17 [INFO] [stdout] | [INFO] [stdout] 201 | let dLdw0 = conv_gradient(xi, &dLdz0, 28); [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `d_ldw0` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 26 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:269:24 [INFO] [stdout] | [INFO] [stdout] 269 | let out = conv(w, x, 4); [INFO] [stdout] | ^ [INFO] [stdout] | | [INFO] [stdout] | expected `&Matrix`, found struct `Matrix` [INFO] [stdout] | help: consider borrowing here: `&w` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&Matrix` [INFO] [stdout] found struct `Matrix<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:269:27 [INFO] [stdout] | [INFO] [stdout] 269 | let out = conv(w, x, 4); [INFO] [stdout] | ^ [INFO] [stdout] | | [INFO] [stdout] | expected `&Matrix`, found struct `Matrix` [INFO] [stdout] | help: consider borrowing here: `&x` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&Matrix` [INFO] [stdout] found struct `Matrix<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:278:24 [INFO] [stdout] | [INFO] [stdout] 278 | let out = conv(w, x, 4); [INFO] [stdout] | ^ [INFO] [stdout] | | [INFO] [stdout] | expected `&Matrix`, found struct `Matrix` [INFO] [stdout] | help: consider borrowing here: `&w` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&Matrix` [INFO] [stdout] found struct `Matrix<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:278:27 [INFO] [stdout] | [INFO] [stdout] 278 | let out = conv(w, x, 4); [INFO] [stdout] | ^ [INFO] [stdout] | | [INFO] [stdout] | expected `&Matrix`, found struct `Matrix` [INFO] [stdout] | help: consider borrowing here: `&x` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&Matrix` [INFO] [stdout] found struct `Matrix<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `digits` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "4e7d95fa71e4999fdc68d2745480856d0bd0413ecb3a9f58f5d7a37e00dbf9d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e7d95fa71e4999fdc68d2745480856d0bd0413ecb3a9f58f5d7a37e00dbf9d4", kill_on_drop: false }` [INFO] [stdout] 4e7d95fa71e4999fdc68d2745480856d0bd0413ecb3a9f58f5d7a37e00dbf9d4