[INFO] cloning repository https://github.com/a-ymeri/mlp-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a-ymeri/mlp-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-ymeri%2Fmlp-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-ymeri%2Fmlp-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f96460741adbe7db05aab83615b920510c6a8e3 [INFO] checking a-ymeri/mlp-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-ymeri%2Fmlp-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/a-ymeri/mlp-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/a-ymeri/mlp-rust [INFO] finished tweaking git repo https://github.com/a-ymeri/mlp-rust [INFO] tweaked toml for git repo https://github.com/a-ymeri/mlp-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/a-ymeri/mlp-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mnist v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a4a62da456262c9849690ad1fed6e46f891b29c3b4688eaaab4f520369e3850 [INFO] running `Command { std: "docker" "start" "-a" "1a4a62da456262c9849690ad1fed6e46f891b29c3b4688eaaab4f520369e3850", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a4a62da456262c9849690ad1fed6e46f891b29c3b4688eaaab4f520369e3850", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a4a62da456262c9849690ad1fed6e46f891b29c3b4688eaaab4f520369e3850", kill_on_drop: false }` [INFO] [stdout] 1a4a62da456262c9849690ad1fed6e46f891b29c3b4688eaaab4f520369e3850 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 810d97ca326dcdbdcac1deb7c0468d2c9167d363975d9cce525f27cc1d5d17e5 [INFO] running `Command { std: "docker" "start" "-a" "810d97ca326dcdbdcac1deb7c0468d2c9167d363975d9cce525f27cc1d5d17e5", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking simd-adler32 v0.3.7 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Compiling matrixmultiply v0.3.8 [INFO] [stderr] Checking weezl v0.1.8 [INFO] [stderr] Checking half v2.3.1 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking smallvec v1.13.1 [INFO] [stderr] Checking bytemuck v1.14.3 [INFO] [stderr] Checking bit_field v0.10.2 [INFO] [stderr] Checking lebe v0.5.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking qoi v0.4.1 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking zune-inflate v0.2.54 [INFO] [stderr] Checking fdeflate v0.3.4 [INFO] [stderr] Checking mnist v0.6.0 [INFO] [stderr] Checking gif v0.12.0 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking flume v0.11.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking png v0.17.11 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking rayon v1.8.1 [INFO] [stderr] Checking exr v1.72.0 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking jpeg-decoder v0.3.1 [INFO] [stderr] Checking tiff v0.9.1 [INFO] [stderr] Checking image v0.24.8 [INFO] [stderr] Checking mlp-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Array1` is imported redundantly [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 2 | use ndarray::prelude::*; [INFO] [stdout] | ------------------- the item `Array1` is already imported here [INFO] [stdout] 3 | use ndarray::Array1; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Array1` is imported redundantly [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 2 | use ndarray::prelude::*; [INFO] [stdout] | ------------------- the item `Array1` is already imported here [INFO] [stdout] 3 | use ndarray::Array1; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Array2` is imported redundantly [INFO] [stdout] --> src/dataset_loader.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use ndarray::prelude::*; [INFO] [stdout] | ------------------- the item `Array2` is already imported here [INFO] [stdout] 3 | use ndarray::Array2; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray::Array3` [INFO] [stdout] --> src/dataset_loader.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use ndarray::Array3; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray::Array1` [INFO] [stdout] --> src/layer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use ndarray::Array1; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/tests.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | let mut predicted_one_hot = my_module::one_hot_encode(i); [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: variable does not need to be mutable [INFO] [stdout] --> tests/tests.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut input = ndarray::arr2(&[[1.0, 2.0, 3.0], [-4.0, 5.0, 0.0]]); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/tests.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let mut output = my_module::relu(&input); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/tests.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut expected_output = ndarray::arr2(&[[1.0, 2.0, 3.0], [0.0, 5.0, 0.0]]); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/tests.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut input = ndarray::arr2(&[[1.0, 2.0, 3.0], [-4.0, 5.0, 0.0]]); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/tests.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut output = my_module::get_relu_derivative(&input); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ImageBuffer`, `Rgb` [INFO] [stdout] --> src/main.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | use image::{ImageBuffer, Rgb}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/tests.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | let mut expected_output = ndarray::arr2(&[[1.0, 1.0, 1.0], [0.0, 1.0, 0.0]]); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray::Zip` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use ndarray::Zip; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Array2` is imported redundantly [INFO] [stdout] --> src/dataset_loader.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use ndarray::prelude::*; [INFO] [stdout] | ------------------- the item `Array2` is already imported here [INFO] [stdout] 3 | use ndarray::Array2; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray::Array3` [INFO] [stdout] --> src/dataset_loader.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use ndarray::Array3; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray::Array1` [INFO] [stdout] --> src/layer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use ndarray::Array1; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ImageBuffer`, `Rgb` [INFO] [stdout] --> src/main.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | use image::{ImageBuffer, Rgb}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray::Zip` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use ndarray::Zip; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let offset = 0; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `activation_fn` is never read [INFO] [stdout] --> src/layer.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Layer { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub activation_fn: fn(&Array2) -> Array2, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `activation_fn` and `weighted_sum` are never used [INFO] [stdout] --> src/layer.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Layer { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn activation_fn(&self, input: &Array2) -> Array2 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn weighted_sum(&self, input: &Array2) -> Array2 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let offset = 0; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `activation_fn` is never read [INFO] [stdout] --> src/layer.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Layer { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub activation_fn: fn(&Array2) -> Array2, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `activation_fn` and `weighted_sum` are never used [INFO] [stdout] --> src/layer.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Layer { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn activation_fn(&self, input: &Array2) -> Array2 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn weighted_sum(&self, input: &Array2) -> Array2 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.56s [INFO] running `Command { std: "docker" "inspect" "810d97ca326dcdbdcac1deb7c0468d2c9167d363975d9cce525f27cc1d5d17e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "810d97ca326dcdbdcac1deb7c0468d2c9167d363975d9cce525f27cc1d5d17e5", kill_on_drop: false }` [INFO] [stdout] 810d97ca326dcdbdcac1deb7c0468d2c9167d363975d9cce525f27cc1d5d17e5