[INFO] cloning repository https://github.com/john-h-k/digit-nn-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/john-h-k/digit-nn-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohn-h-k%2Fdigit-nn-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohn-h-k%2Fdigit-nn-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9b4d2dc1f6970ecbd5b4075e9fc8dd2316c37c77 [INFO] checking john-h-k/digit-nn-rs against try#ae258e1fcbee4a062f5f3d869f06004d7cea088e for pr-135272 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohn-h-k%2Fdigit-nn-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... 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"/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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4e256b61938a878c2fe8985d18229b46bcfc8c2f2b4c243f440501699d485bf [INFO] running `Command { std: "docker" "start" "-a" "a4e256b61938a878c2fe8985d18229b46bcfc8c2f2b4c243f440501699d485bf", kill_on_drop: false }` [INFO] [stderr] Compiling 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thiserror-impl v1.0.69 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.215 [INFO] [stderr] Compiling pest v2.7.14 [INFO] [stderr] Checking jpeg-decoder v0.3.1 [INFO] [stderr] Checking tiff v0.9.1 [INFO] [stderr] Compiling pest_meta v2.7.14 [INFO] [stderr] Checking image v0.24.8 [INFO] [stderr] Compiling pest_generator v2.7.14 [INFO] [stderr] Compiling pest_derive v2.7.14 [INFO] [stderr] Checking py_literal v0.4.0 [INFO] [stderr] Checking ndarray-npy v0.9.1 [INFO] [stderr] Checking digit-nn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Ix1` and `Ix2` [INFO] [stdout] --> src/mnist.rs:1:37 [INFO] [stdout] | [INFO] [stdout] 1 | use ndarray::{Array1, Array2, Axis, Ix1, Ix2}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::Read` [INFO] [stdout] --> src/mnist.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{fs::File, io::Read}; // needed for the trait [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/network.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | iter::{self, zip}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RngCore` [INFO] [stdout] --> src/network.rs:7:30 [INFO] [stdout] | [INFO] [stdout] 7 | use rand::{seq::SliceRandom, RngCore}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Array1`, `ArrayD`, and `Axis` [INFO] [stdout] --> src/network.rs:10:28 [INFO] [stdout] | [INFO] [stdout] 10 | use ndarray::{linalg::Dot, Array1, Array2, ArrayD, Axis}; [INFO] [stdout] | ^^^^^^ ^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ix1` and `Ix2` [INFO] [stdout] --> src/mnist.rs:1:37 [INFO] [stdout] | [INFO] [stdout] 1 | use ndarray::{Array1, Array2, Axis, Ix1, Ix2}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::Read` [INFO] [stdout] --> src/mnist.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{fs::File, io::Read}; // needed for the trait [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/network.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | iter::{self, zip}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RngCore` [INFO] [stdout] --> src/network.rs:7:30 [INFO] [stdout] | [INFO] [stdout] 7 | use rand::{seq::SliceRandom, RngCore}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Array1`, `ArrayD`, and `Axis` [INFO] [stdout] --> src/network.rs:10:28 [INFO] [stdout] | [INFO] [stdout] 10 | use ndarray::{linalg::Dot, Array1, Array2, ArrayD, Axis}; [INFO] [stdout] | ^^^^^^ ^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `linalg::Dot` [INFO] [stdout] --> src/network.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | use ndarray::{linalg::Dot, Array1, Array2, ArrayD, Axis}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `GenericImageView` [INFO] [stdout] --> src/main.rs:1:49 [INFO] [stdout] | [INFO] [stdout] 1 | use image::{imageops::FilterType, DynamicImage, GenericImageView, ImageBuffer, Luma}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `linalg::Dot` [INFO] [stdout] --> src/network.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | use ndarray::{linalg::Dot, Array1, Array2, ArrayD, Axis}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `GenericImageView` [INFO] [stdout] --> src/main.rs:1:49 [INFO] [stdout] | [INFO] [stdout] 1 | use image::{imageops::FilterType, DynamicImage, GenericImageView, ImageBuffer, Luma}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/network.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let n = training_data.len(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/network.rs:92:17 [INFO] [stdout] | [INFO] [stdout] 92 | let count = mini_batches.len(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/network.rs:94:18 [INFO] [stdout] | [INFO] [stdout] 94 | for (i, mini_batch) in mini_batches.enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `validation_data` [INFO] [stdout] --> src/main.rs:51:25 [INFO] [stdout] | [INFO] [stdout] 51 | let (training_data, validation_data, test_data) = mnist::load_data_wrapper(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_validation_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `sizes` is never read [INFO] [stdout] --> src/network.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct Network { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 35 | num_layers: usize, [INFO] [stdout] 36 | sizes: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `load` is never used [INFO] [stdout] --> src/network.rs:255:12 [INFO] [stdout] | [INFO] [stdout] 43 | impl Network { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 255 | pub fn load(path: &str, sizes: Vec) -> std::io::Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/network.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let n = training_data.len(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/network.rs:92:17 [INFO] [stdout] | [INFO] [stdout] 92 | let count = mini_batches.len(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/network.rs:94:18 [INFO] [stdout] | [INFO] [stdout] 94 | for (i, mini_batch) in mini_batches.enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `validation_data` [INFO] [stdout] --> src/main.rs:51:25 [INFO] [stdout] | [INFO] [stdout] 51 | let (training_data, validation_data, test_data) = mnist::load_data_wrapper(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_validation_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `sizes` is never read [INFO] [stdout] --> src/network.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct Network { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 35 | num_layers: usize, [INFO] [stdout] 36 | sizes: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `load` is never used [INFO] [stdout] --> src/network.rs:255:12 [INFO] [stdout] | [INFO] [stdout] 43 | impl Network { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 255 | pub fn load(path: &str, sizes: Vec) -> std::io::Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.59s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "a4e256b61938a878c2fe8985d18229b46bcfc8c2f2b4c243f440501699d485bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4e256b61938a878c2fe8985d18229b46bcfc8c2f2b4c243f440501699d485bf", kill_on_drop: false }` [INFO] [stdout] a4e256b61938a878c2fe8985d18229b46bcfc8c2f2b4c243f440501699d485bf