[INFO] cloning repository https://github.com/edwardvear/mnist [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edwardvear/mnist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwardvear%2Fmnist", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwardvear%2Fmnist'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 81c4cfa103fdb1ecce82668b306ed35530893f94 [INFO] linting edwardvear/mnist against nightly for clippy-nonminimal_bool-denied [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwardvear%2Fmnist" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/edwardvear/mnist [INFO] finished tweaking git repo https://github.com/edwardvear/mnist [INFO] tweaked toml for git repo https://github.com/edwardvear/mnist written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/edwardvear/mnist on toolchain nightly [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/edwardvear/mnist 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.103 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.103 [INFO] [stderr] Downloaded cc v1.2.38 [INFO] [stderr] Downloaded wasm-bindgen v0.2.103 [INFO] [stderr] Downloaded serde_derive v1.0.226 [INFO] [stderr] Downloaded serde_core v1.0.226 [INFO] [stderr] Downloaded pxfm v0.1.24 [INFO] [stderr] Downloaded find-msvc-tools v0.1.2 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.103 [INFO] [stderr] Downloaded serde v1.0.226 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.103 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 237c1a58a1826c35385933fdb0acbe4f42511f21ca05a425eb0d81fe684d5c68 [INFO] running `Command { std: "docker" "start" "-a" "237c1a58a1826c35385933fdb0acbe4f42511f21ca05a425eb0d81fe684d5c68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "237c1a58a1826c35385933fdb0acbe4f42511f21ca05a425eb0d81fe684d5c68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "237c1a58a1826c35385933fdb0acbe4f42511f21ca05a425eb0d81fe684d5c68", kill_on_drop: false }` [INFO] [stdout] 237c1a58a1826c35385933fdb0acbe4f42511f21ca05a425eb0d81fe684d5c68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ebe150c6ee4667616c1d3b0f4d675ce2c2e77f215858109cc2ce8a8fb39a3f41 [INFO] running `Command { std: "docker" "start" "-a" "ebe150c6ee4667616c1d3b0f4d675ce2c2e77f215858109cc2ce8a8fb39a3f41", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking log v0.4.28 [INFO] [stderr] Checking imgref v1.11.0 [INFO] [stderr] Checking zune-inflate v0.2.54 [INFO] [stderr] Checking avif-serialize v0.8.6 [INFO] [stderr] Checking bitflags v2.9.4 [INFO] [stderr] Checking bytemuck v1.23.2 [INFO] [stderr] Checking lebe v0.5.3 [INFO] [stderr] Checking rgb v0.8.52 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking bit_field v0.10.3 [INFO] [stderr] Checking crc32fast v1.5.0 [INFO] [stderr] Checking maybe-rayon v0.1.1 [INFO] [stderr] Checking half v2.6.0 [INFO] [stderr] Checking qoi v0.4.1 [INFO] [stderr] Checking flate2 v1.1.2 [INFO] [stderr] Checking loop9 v0.1.5 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking exr v1.73.0 [INFO] [stderr] Checking png v0.18.0 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking pxfm v0.1.24 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling simd_helpers v0.1.0 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking moxcms v0.7.5 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Compiling equator-macro v0.4.2 [INFO] [stderr] Compiling profiling-procmacros v1.0.17 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling num-derive v0.4.2 [INFO] [stderr] Compiling fax_derive v0.2.0 [INFO] [stderr] Compiling arg_enum_proc_macro v0.3.4 [INFO] [stderr] Checking profiling v1.0.17 [INFO] [stderr] Checking fax v0.2.6 [INFO] [stderr] Checking equator v0.4.2 [INFO] [stderr] Checking aligned-vec v0.6.4 [INFO] [stderr] Checking tiff v0.10.3 [INFO] [stderr] Checking v_frame v0.3.9 [INFO] [stderr] Checking av1-grain v0.2.4 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking rav1e v0.7.1 [INFO] [stderr] Checking ravif v0.11.20 [INFO] [stderr] Checking image v0.25.8 [INFO] [stderr] Checking mnist v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: redundant field names in struct initialization [INFO] [stdout] --> src/network.rs:213:13 [INFO] [stdout] | [INFO] [stdout] 213 | activation_func: activation_func, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `activation_func` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stdout] = note: `#[warn(clippy::redundant_field_names)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: redundant field names in struct initialization [INFO] [stdout] --> src/network.rs:213:13 [INFO] [stdout] | [INFO] [stdout] 213 | activation_func: activation_func, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `activation_func` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stdout] = note: `#[warn(clippy::redundant_field_names)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `network::Layer` is more private than the item `network::Network::layers` [INFO] [stdout] --> src/network.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub layers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ field `network::Network::layers` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `network::Layer` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/network.rs:149:1 [INFO] [stdout] | [INFO] [stdout] 149 | struct Layer { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this can be `std::io::Error::other(_)` [INFO] [stdout] --> src/idx_file.rs:26:22 [INFO] [stdout] | [INFO] [stdout] 26 | _ => Err(Self::Error::new(std::io::ErrorKind::Other, "Failed to parse data type byte.")), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error [INFO] [stdout] = note: `#[warn(clippy::io_other_error)]` on by default [INFO] [stdout] help: use `std::io::Error::other` [INFO] [stdout] | [INFO] [stdout] 26 - _ => Err(Self::Error::new(std::io::ErrorKind::Other, "Failed to parse data type byte.")), [INFO] [stdout] 26 + _ => Err(Self::Error::other("Failed to parse data type byte.")), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this boolean expression can be simplified [INFO] [stdout] --> src/idx_file.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 47 | if !(data.len() >= (4 + 4 * num_dims)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(data.len() < (4 + 4 * num_dims))` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool [INFO] [stdout] = note: `#[warn(clippy::nonminimal_bool)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the loop variable `j` is used to index `label` [INFO] [stdout] --> src/network.rs:55:18 [INFO] [stdout] | [INFO] [stdout] 55 | for j in 0..output_layer.activation.len() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stdout] = note: `#[warn(clippy::needless_range_loop)]` on by default [INFO] [stdout] help: consider using an iterator and enumerate() [INFO] [stdout] | [INFO] [stdout] 55 - for j in 0..output_layer.activation.len() { [INFO] [stdout] 55 + for (j, ) in label.iter().enumerate().take(output_layer.activation.len()) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the loop variable `k` is used to index `prev_activation` [INFO] [stdout] --> src/network.rs:85:26 [INFO] [stdout] | [INFO] [stdout] 85 | for k in 0..layer.num_inputs { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stdout] help: consider using an iterator and enumerate() [INFO] [stdout] | [INFO] [stdout] 85 - for k in 0..layer.num_inputs { [INFO] [stdout] 85 + for (k, ) in prev_activation.iter().enumerate().take(layer.num_inputs) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `network::Layer` is more private than the item `network::Network::layers` [INFO] [stdout] --> src/network.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub layers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ field `network::Network::layers` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `network::Layer` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/network.rs:149:1 [INFO] [stdout] | [INFO] [stdout] 149 | struct Layer { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_layers` is never used [INFO] [stdout] --> src/network.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Network { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn from_layers(layers: Vec) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UnityActivation` is never constructed [INFO] [stdout] --> src/network.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | struct UnityActivation; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this can be `std::io::Error::other(_)` [INFO] [stdout] --> src/idx_file.rs:26:22 [INFO] [stdout] | [INFO] [stdout] 26 | _ => Err(Self::Error::new(std::io::ErrorKind::Other, "Failed to parse data type byte.")), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error [INFO] [stdout] = note: `#[warn(clippy::io_other_error)]` on by default [INFO] [stdout] help: use `std::io::Error::other` [INFO] [stdout] | [INFO] [stdout] 26 - _ => Err(Self::Error::new(std::io::ErrorKind::Other, "Failed to parse data type byte.")), [INFO] [stdout] 26 + _ => Err(Self::Error::other("Failed to parse data type byte.")), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this boolean expression can be simplified [INFO] [stdout] --> src/idx_file.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 47 | if !(data.len() >= (4 + 4 * num_dims)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(data.len() < (4 + 4 * num_dims))` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool [INFO] [stdout] = note: `#[warn(clippy::nonminimal_bool)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: manual implementation of `.is_multiple_of()` [INFO] [stdout] --> src/network.rs:195:17 [INFO] [stdout] | [INFO] [stdout] 195 | assert!(weights.len() % num_neurons == 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `weights.len().is_multiple_of(num_neurons)` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of [INFO] [stdout] = note: `#[warn(clippy::manual_is_multiple_of)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the loop variable `k` is used to index `input` [INFO] [stdout] --> src/network.rs:220:22 [INFO] [stdout] | [INFO] [stdout] 220 | for k in 0..self.num_inputs { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stdout] help: consider using an iterator and enumerate() [INFO] [stdout] | [INFO] [stdout] 220 - for k in 0..self.num_inputs { [INFO] [stdout] 220 + for (k, ) in input.iter().enumerate().take(self.num_inputs) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the loop variable `j` is used to index `label` [INFO] [stdout] --> src/network.rs:55:18 [INFO] [stdout] | [INFO] [stdout] 55 | for j in 0..output_layer.activation.len() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stdout] = note: `#[warn(clippy::needless_range_loop)]` on by default [INFO] [stdout] help: consider using an iterator and enumerate() [INFO] [stdout] | [INFO] [stdout] 55 - for j in 0..output_layer.activation.len() { [INFO] [stdout] 55 + for (j, ) in label.iter().enumerate().take(output_layer.activation.len()) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the loop variable `k` is used to index `prev_activation` [INFO] [stdout] --> src/network.rs:85:26 [INFO] [stdout] | [INFO] [stdout] 85 | for k in 0..layer.num_inputs { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stdout] help: consider using an iterator and enumerate() [INFO] [stdout] | [INFO] [stdout] 85 - for k in 0..layer.num_inputs { [INFO] [stdout] 85 + for (k, ) in prev_activation.iter().enumerate().take(layer.num_inputs) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: manual implementation of `.is_multiple_of()` [INFO] [stdout] --> src/network.rs:195:17 [INFO] [stdout] | [INFO] [stdout] 195 | assert!(weights.len() % num_neurons == 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `weights.len().is_multiple_of(num_neurons)` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of [INFO] [stdout] = note: `#[warn(clippy::manual_is_multiple_of)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the loop variable `k` is used to index `input` [INFO] [stdout] --> src/network.rs:220:22 [INFO] [stdout] | [INFO] [stdout] 220 | for k in 0..self.num_inputs { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stdout] help: consider using an iterator and enumerate() [INFO] [stdout] | [INFO] [stdout] 220 - for k in 0..self.num_inputs { [INFO] [stdout] 220 + for (k, ) in input.iter().enumerate().take(self.num_inputs) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/view_image.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | im.save("test.png"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 20 | let _ = im.save("test.png"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the loop variable `i` is used to index `output` [INFO] [stdout] --> src/bin/train.rs:91:18 [INFO] [stdout] | [INFO] [stdout] 91 | for i in 0..10 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stdout] = note: `#[warn(clippy::needless_range_loop)]` on by default [INFO] [stdout] help: consider using an iterator and enumerate() [INFO] [stdout] | [INFO] [stdout] 91 - for i in 0..10 { [INFO] [stdout] 91 + for (i, ) in output.iter().enumerate().take(10) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the loop variable `i` is used to index `output` [INFO] [stdout] --> src/bin/train.rs:91:18 [INFO] [stdout] | [INFO] [stdout] 91 | for i in 0..10 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stdout] = note: `#[warn(clippy::needless_range_loop)]` on by default [INFO] [stdout] help: consider using an iterator and enumerate() [INFO] [stdout] | [INFO] [stdout] 91 - for i in 0..10 { [INFO] [stdout] 91 + for (i, ) in output.iter().enumerate().take(10) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/view_image.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | im.save("test.png"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 20 | let _ = im.save("test.png"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.48s [INFO] running `Command { std: "docker" "inspect" "ebe150c6ee4667616c1d3b0f4d675ce2c2e77f215858109cc2ce8a8fb39a3f41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebe150c6ee4667616c1d3b0f4d675ce2c2e77f215858109cc2ce8a8fb39a3f41", kill_on_drop: false }` [INFO] [stdout] ebe150c6ee4667616c1d3b0f4d675ce2c2e77f215858109cc2ce8a8fb39a3f41