[INFO] cloning repository https://github.com/woowe/convolution [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woowe/convolution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoowe%2Fconvolution", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoowe%2Fconvolution'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3283ba170f295d1ffddbff6184d4c0d5bfc9d724 [INFO] testing woowe/convolution against 1.75.0 for beta-1.76-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoowe%2Fconvolution" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/woowe/convolution on toolchain 1.75.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/woowe/convolution [INFO] finished tweaking git repo https://github.com/woowe/convolution [INFO] tweaked toml for git repo https://github.com/woowe/convolution written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/woowe/convolution 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/woowe/num_rust.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded jpeg-decoder v0.1.8 [INFO] [stderr] Downloaded rustc-serialize v0.3.21 [INFO] [stderr] Downloaded rayon v0.5.0 [INFO] [stderr] Downloaded matrixmultiply v0.1.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f446c05bfcd9f177f29a6c8bce005f6c525a75989ecbdf86c2c81157882c75d [INFO] running `Command { std: "docker" "start" "-a" "7f446c05bfcd9f177f29a6c8bce005f6c525a75989ecbdf86c2c81157882c75d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f446c05bfcd9f177f29a6c8bce005f6c525a75989ecbdf86c2c81157882c75d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f446c05bfcd9f177f29a6c8bce005f6c525a75989ecbdf86c2c81157882c75d", kill_on_drop: false }` [INFO] [stdout] 7f446c05bfcd9f177f29a6c8bce005f6c525a75989ecbdf86c2c81157882c75d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 57c6f7aa584fbd0ea0f62c64f8342be62167523d5650d4ac4b5543fc0a9a4efe [INFO] running `Command { std: "docker" "start" "-a" "57c6f7aa584fbd0ea0f62c64f8342be62167523d5650d4ac4b5543fc0a9a4efe", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.17 [INFO] [stderr] Compiling num-traits v0.1.36 [INFO] [stderr] Compiling gcc v0.3.38 [INFO] [stderr] Compiling rustc-serialize v0.3.21 [INFO] [stderr] Compiling byteorder v0.5.3 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling color_quant v1.0.0 [INFO] [stderr] Compiling inflate v0.1.1 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling scoped_threadpool v0.1.7 [INFO] [stderr] Compiling matrixmultiply v0.1.12 [INFO] [stderr] Compiling gif v0.9.0 [INFO] [stderr] Compiling rand v0.3.14 [INFO] [stderr] Compiling num-integer v0.1.32 [INFO] [stderr] Compiling num_cpus v1.1.0 [INFO] [stderr] Compiling num-iter v0.1.32 [INFO] [stderr] Compiling num v0.1.36 [INFO] [stderr] Compiling enum_primitive v0.1.0 [INFO] [stderr] Compiling miniz-sys v0.1.7 [INFO] [stderr] Compiling deque v0.3.1 [INFO] [stderr] Compiling rayon v0.5.0 [INFO] [stderr] Compiling rayon v0.4.3 [INFO] [stderr] Compiling jpeg-decoder v0.1.8 [INFO] [stderr] Compiling num_rust v0.1.0 (https://github.com/woowe/num_rust.git#ad88ba18) [INFO] [stderr] Compiling num-bigint v0.1.35 [INFO] [stderr] Compiling flate2 v0.2.14 [INFO] [stderr] Compiling png v0.5.2 [INFO] [stderr] Compiling num-rational v0.1.35 [INFO] [stderr] Compiling image v0.10.3 [INFO] [stderr] Compiling convolution v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `num_rust::ext::impls::*` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use num_rust::ext::impls::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `image::GenericImage` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use image::GenericImage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `norm_m` [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let norm_m = vec![1./(size as f64); size].reshape(convolution.get_rows(), convolution.get_cols()).unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_norm_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `image` [INFO] [stdout] --> src/main.rs:61:13 [INFO] [stdout] | [INFO] [stdout] 61 | let mut image = (0..28*28).map(|i: usize| i as f64).collect::>().reshape(28, 28).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_image` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `conv` [INFO] [stdout] --> src/main.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let conv = Kernel::new(conv_m); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_conv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filtered` [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let filtered = img.filter3x3(&kernel); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filtered` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | let mut image = (0..28*28).map(|i: usize| i as f64).collect::>().reshape(28, 28).unwrap(); [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 `get_matrix_window` is never used [INFO] [stdout] --> src/main.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn get_matrix_window(matrix: &Matrix2d, n: usize, m: usize, i: usize, j: usize) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `matrix` is never read [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | struct Kernel { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 27 | matrix: Matrix2d [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/main.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl Kernel { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn apply(&self, image: &Matrix2d) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.11s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.21 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "57c6f7aa584fbd0ea0f62c64f8342be62167523d5650d4ac4b5543fc0a9a4efe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57c6f7aa584fbd0ea0f62c64f8342be62167523d5650d4ac4b5543fc0a9a4efe", kill_on_drop: false }` [INFO] [stdout] 57c6f7aa584fbd0ea0f62c64f8342be62167523d5650d4ac4b5543fc0a9a4efe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d88798110f979f30078eac6e355fec5caa5bf73ad7efe4c52e73b1bc5c0b11e [INFO] running `Command { std: "docker" "start" "-a" "4d88798110f979f30078eac6e355fec5caa5bf73ad7efe4c52e73b1bc5c0b11e", kill_on_drop: false }` [INFO] [stderr] Compiling convolution v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `num_rust::ext::impls::*` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use num_rust::ext::impls::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `image::GenericImage` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use image::GenericImage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `norm_m` [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let norm_m = vec![1./(size as f64); size].reshape(convolution.get_rows(), convolution.get_cols()).unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_norm_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `image` [INFO] [stdout] --> src/main.rs:61:13 [INFO] [stdout] | [INFO] [stdout] 61 | let mut image = (0..28*28).map(|i: usize| i as f64).collect::>().reshape(28, 28).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_image` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `conv` [INFO] [stdout] --> src/main.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let conv = Kernel::new(conv_m); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_conv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filtered` [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let filtered = img.filter3x3(&kernel); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filtered` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | let mut image = (0..28*28).map(|i: usize| i as f64).collect::>().reshape(28, 28).unwrap(); [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 `get_matrix_window` is never used [INFO] [stdout] --> src/main.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn get_matrix_window(matrix: &Matrix2d, n: usize, m: usize, i: usize, j: usize) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `matrix` is never read [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | struct Kernel { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 27 | matrix: Matrix2d [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/main.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl Kernel { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn apply(&self, image: &Matrix2d) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.57s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.21 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "4d88798110f979f30078eac6e355fec5caa5bf73ad7efe4c52e73b1bc5c0b11e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d88798110f979f30078eac6e355fec5caa5bf73ad7efe4c52e73b1bc5c0b11e", kill_on_drop: false }` [INFO] [stdout] 4d88798110f979f30078eac6e355fec5caa5bf73ad7efe4c52e73b1bc5c0b11e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d7ccfaeee9a0707fb7d920246a920a0e24127ffaefb8951ba2acfab7d6c0ccef [INFO] running `Command { std: "docker" "start" "-a" "d7ccfaeee9a0707fb7d920246a920a0e24127ffaefb8951ba2acfab7d6c0ccef", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `num_rust::ext::impls::*` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use num_rust::ext::impls::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `image::GenericImage` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use image::GenericImage; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `norm_m` [INFO] [stderr] --> src/main.rs:33:13 [INFO] [stderr] | [INFO] [stderr] 33 | let norm_m = vec![1./(size as f64); size].reshape(convolution.get_rows(), convolution.get_cols()).unwrap(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_norm_m` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `image` [INFO] [stderr] --> src/main.rs:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | let mut image = (0..28*28).map(|i: usize| i as f64).collect::>().reshape(28, 28).unwrap(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_image` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `conv` [INFO] [stderr] --> src/main.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let conv = Kernel::new(conv_m); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_conv` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `filtered` [INFO] [stderr] --> src/main.rs:76:9 [INFO] [stderr] | [INFO] [stderr] 76 | let filtered = img.filter3x3(&kernel); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filtered` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | let mut image = (0..28*28).map(|i: usize| i as f64).collect::>().reshape(28, 28).unwrap(); [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 `get_matrix_window` is never used [INFO] [stderr] --> src/main.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn get_matrix_window(matrix: &Matrix2d, n: usize, m: usize, i: usize, j: usize) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `matrix` is never read [INFO] [stderr] --> src/main.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 26 | struct Kernel { [INFO] [stderr] | ------ field in this struct [INFO] [stderr] 27 | matrix: Matrix2d [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `apply` is never used [INFO] [stderr] --> src/main.rs:39:12 [INFO] [stderr] | [INFO] [stderr] 30 | impl Kernel { [INFO] [stderr] | ----------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 39 | pub fn apply(&self, image: &Matrix2d) -> Option { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `convolution` (bin "convolution" test) generated 11 warnings (run `cargo fix --bin "convolution" --tests` to apply 8 suggestions) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.21 [INFO] [stdout] [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/convolution-e775799211a06931) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d7ccfaeee9a0707fb7d920246a920a0e24127ffaefb8951ba2acfab7d6c0ccef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7ccfaeee9a0707fb7d920246a920a0e24127ffaefb8951ba2acfab7d6c0ccef", kill_on_drop: false }` [INFO] [stdout] d7ccfaeee9a0707fb7d920246a920a0e24127ffaefb8951ba2acfab7d6c0ccef