[INFO] updating cached repository yati-sagade/autodiff-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/yati-sagade/autodiff-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/yati-sagade/autodiff-rust" "work/ex/clippy-test-run/sources/stable/gh/yati-sagade/autodiff-rust"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/yati-sagade/autodiff-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/yati-sagade/autodiff-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yati-sagade/autodiff-rust"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yati-sagade/autodiff-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5f2554583153d663452e65d905c01ff7679c86e9 [INFO] sha for GitHub repo yati-sagade/autodiff-rust: 5f2554583153d663452e65d905c01ff7679c86e9 [INFO] validating manifest of yati-sagade/autodiff-rust on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of yati-sagade/autodiff-rust on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing yati-sagade/autodiff-rust [INFO] finished frobbing yati-sagade/autodiff-rust [INFO] frobbed toml for yati-sagade/autodiff-rust written to work/ex/clippy-test-run/sources/stable/gh/yati-sagade/autodiff-rust/Cargo.toml [INFO] started frobbing yati-sagade/autodiff-rust [INFO] finished frobbing yati-sagade/autodiff-rust [INFO] frobbed toml for yati-sagade/autodiff-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yati-sagade/autodiff-rust/Cargo.toml [INFO] crate yati-sagade/autodiff-rust has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting yati-sagade/autodiff-rust against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/yati-sagade/autodiff-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 90aba74da1c61d2e28505f80581d644d66f6833e0efcfe7be496092dc5636af7 [INFO] running `"docker" "start" "-a" "90aba74da1c61d2e28505f80581d644d66f6833e0efcfe7be496092dc5636af7"` [INFO] [stderr] Checking num-traits v0.1.37 [INFO] [stderr] Checking gnuplot v0.0.22 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking num-integer v0.1.33 [INFO] [stderr] Checking num-complex v0.1.36 [INFO] [stderr] Checking num-iter v0.1.33 [INFO] [stderr] Checking num-bigint v0.1.37 [INFO] [stderr] Checking num-rational v0.1.36 [INFO] [stderr] Checking num v0.1.37 [INFO] [stderr] Checking autodiff v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:33:13 [INFO] [stderr] | [INFO] [stderr] 33 | val: val, [INFO] [stderr] | ^^^^^^^^ help: replace it with: `val` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | dval: dval, [INFO] [stderr] | ^^^^^^^^^^ help: replace it with: `dval` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:33:13 [INFO] [stderr] | [INFO] [stderr] 33 | val: val, [INFO] [stderr] | ^^^^^^^^ help: replace it with: `val` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | dval: dval, [INFO] [stderr] | ^^^^^^^^^^ help: replace it with: `dval` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | / macro_rules! assert_almost_equal { [INFO] [stderr] 12 | | ($a:expr, $b:expr) => { [INFO] [stderr] 13 | | if ($a-$b).abs() > 1e-6 { [INFO] [stderr] 14 | | panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b)); [INFO] [stderr] ... | [INFO] [stderr] 18 | | }; [INFO] [stderr] 19 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_macros)] on by default [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:204:29 [INFO] [stderr] | [INFO] [stderr] 204 | let d = self.dval * (n as f64) * p / self.val; // D(x^n) = n * (x^(n-1)) Dx = n * (x^k) / x * Dx [INFO] [stderr] | ^^^^^^^^^^ help: try: `f64::from(n)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:204:29 [INFO] [stderr] | [INFO] [stderr] 204 | let d = self.dval * (n as f64) * p / self.val; // D(x^n) = n * (x^(n-1)) Dx = n * (x^k) / x * Dx [INFO] [stderr] | ^^^^^^^^^^ help: try: `f64::from(n)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:393:21 [INFO] [stderr] | [INFO] [stderr] 393 | let x = val as f64; [INFO] [stderr] | ^^^^^^^^^^ help: try: `f64::from(val)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:416:21 [INFO] [stderr] | [INFO] [stderr] 416 | let x = val as f64; [INFO] [stderr] | ^^^^^^^^^^ help: try: `f64::from(val)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:439:21 [INFO] [stderr] | [INFO] [stderr] 439 | let x = val as f64; [INFO] [stderr] | ^^^^^^^^^^ help: try: `f64::from(val)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:464:21 [INFO] [stderr] | [INFO] [stderr] 464 | let x = val as f64; [INFO] [stderr] | ^^^^^^^^^^ help: try: `f64::from(val)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:490:21 [INFO] [stderr] | [INFO] [stderr] 490 | let x = val as f64; [INFO] [stderr] | ^^^^^^^^^^ help: try: `f64::from(val)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:514:21 [INFO] [stderr] | [INFO] [stderr] 514 | let x = val as f64; [INFO] [stderr] | ^^^^^^^^^^ help: try: `f64::from(val)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Write`, `self` [INFO] [stderr] --> src/main.rs:6:15 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::{self,Write}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `LegendOption` [INFO] [stderr] --> src/main.rs:8:39 [INFO] [stderr] | [INFO] [stderr] 8 | use gnuplot::{Figure, Caption, Color, LegendOption, Coordinate}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f_m` [INFO] [stderr] --> src/main.rs:96:9 [INFO] [stderr] | [INFO] [stderr] 96 | let f_m: T = From::from(1.5f64); // Hz [INFO] [stderr] | ^^^ help: consider using `_f_m` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Write`, `self` [INFO] [stderr] --> src/main.rs:6:15 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::{self,Write}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `LegendOption` [INFO] [stderr] --> src/main.rs:8:39 [INFO] [stderr] | [INFO] [stderr] 8 | use gnuplot::{Figure, Caption, Color, LegendOption, Coordinate}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `fm` [INFO] [stderr] --> src/main.rs:92:1 [INFO] [stderr] | [INFO] [stderr] 92 | fn fm(t: T) -> T where T: Float + From { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: casting to the same type is unnecessary (`f64` -> `f64`) [INFO] [stderr] --> src/main.rs:21:25 [INFO] [stderr] | [INFO] [stderr] 21 | let stop: f64 = $end as f64; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 54 | / plot_fn_with_derivative!(sigmoid, [INFO] [stderr] 55 | | (-10f64, 10f64, 0.1), [INFO] [stderr] 56 | | "f(x) = 1/(1+exp(-x))", [INFO] [stderr] 57 | | "f'(x) = f(x)(1 - f(x))"); [INFO] [stderr] | |_______________________________________________________- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_cast)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stderr] [INFO] [stderr] warning: casting to the same type is unnecessary (`f64` -> `f64`) [INFO] [stderr] --> src/main.rs:20:26 [INFO] [stderr] | [INFO] [stderr] 20 | let start: f64 = $start as f64; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 59 | / plot_fn_with_derivative!(e_to_pi_x, [INFO] [stderr] 60 | | (0f64, 10f64, 0.1), [INFO] [stderr] 61 | | "f(x) = exp(pi*x)", [INFO] [stderr] 62 | | "f'(x) = pi * exp(pi*x)"); [INFO] [stderr] | |_______________________________________________________- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stderr] [INFO] [stderr] warning: casting to the same type is unnecessary (`f64` -> `f64`) [INFO] [stderr] --> src/main.rs:21:25 [INFO] [stderr] | [INFO] [stderr] 21 | let stop: f64 = $end as f64; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 59 | / plot_fn_with_derivative!(e_to_pi_x, [INFO] [stderr] 60 | | (0f64, 10f64, 0.1), [INFO] [stderr] 61 | | "f(x) = exp(pi*x)", [INFO] [stderr] 62 | | "f'(x) = pi * exp(pi*x)"); [INFO] [stderr] | |_______________________________________________________- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:20:26 [INFO] [stderr] | [INFO] [stderr] 20 | let start: f64 = $start as f64; [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `f64::from(0)` [INFO] [stderr] ... [INFO] [stderr] 64 | / plot_fn_with_derivative!(sin_2x, [INFO] [stderr] 65 | | (0, 2f64 * PI, 0.1), [INFO] [stderr] 66 | | "f(x) = 2sinθcosθ = sin(2θ)", [INFO] [stderr] 67 | | "f'(x) = 2cos(2θ)"); [INFO] [stderr] | |_________________________________________________- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: variable `A_c` should have a snake case name such as `a_c` [INFO] [stderr] --> src/main.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let A_c: T = From::from(5f64); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `A_m` should have a snake case name such as `a_m` [INFO] [stderr] --> src/main.rs:94:9 [INFO] [stderr] | [INFO] [stderr] 94 | let A_m: T = From::from(2f64); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f_m` [INFO] [stderr] --> src/main.rs:96:9 [INFO] [stderr] | [INFO] [stderr] 96 | let f_m: T = From::from(1.5f64); // Hz [INFO] [stderr] | ^^^ help: consider using `_f_m` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `fm` [INFO] [stderr] --> src/main.rs:92:1 [INFO] [stderr] | [INFO] [stderr] 92 | fn fm(t: T) -> T where T: Float + From { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: casting to the same type is unnecessary (`f64` -> `f64`) [INFO] [stderr] --> src/main.rs:21:25 [INFO] [stderr] | [INFO] [stderr] 21 | let stop: f64 = $end as f64; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 54 | / plot_fn_with_derivative!(sigmoid, [INFO] [stderr] 55 | | (-10f64, 10f64, 0.1), [INFO] [stderr] 56 | | "f(x) = 1/(1+exp(-x))", [INFO] [stderr] 57 | | "f'(x) = f(x)(1 - f(x))"); [INFO] [stderr] | |_______________________________________________________- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_cast)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stderr] [INFO] [stderr] warning: casting to the same type is unnecessary (`f64` -> `f64`) [INFO] [stderr] --> src/main.rs:20:26 [INFO] [stderr] | [INFO] [stderr] 20 | let start: f64 = $start as f64; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 59 | / plot_fn_with_derivative!(e_to_pi_x, [INFO] [stderr] 60 | | (0f64, 10f64, 0.1), [INFO] [stderr] 61 | | "f(x) = exp(pi*x)", [INFO] [stderr] 62 | | "f'(x) = pi * exp(pi*x)"); [INFO] [stderr] | |_______________________________________________________- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stderr] [INFO] [stderr] warning: casting to the same type is unnecessary (`f64` -> `f64`) [INFO] [stderr] --> src/main.rs:21:25 [INFO] [stderr] | [INFO] [stderr] 21 | let stop: f64 = $end as f64; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 59 | / plot_fn_with_derivative!(e_to_pi_x, [INFO] [stderr] 60 | | (0f64, 10f64, 0.1), [INFO] [stderr] 61 | | "f(x) = exp(pi*x)", [INFO] [stderr] 62 | | "f'(x) = pi * exp(pi*x)"); [INFO] [stderr] | |_______________________________________________________- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:20:26 [INFO] [stderr] | [INFO] [stderr] 20 | let start: f64 = $start as f64; [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `f64::from(0)` [INFO] [stderr] ... [INFO] [stderr] 64 | / plot_fn_with_derivative!(sin_2x, [INFO] [stderr] 65 | | (0, 2f64 * PI, 0.1), [INFO] [stderr] 66 | | "f(x) = 2sinθcosθ = sin(2θ)", [INFO] [stderr] 67 | | "f'(x) = 2cos(2θ)"); [INFO] [stderr] | |_________________________________________________- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: variable `A_c` should have a snake case name such as `a_c` [INFO] [stderr] --> src/main.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let A_c: T = From::from(5f64); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `A_m` should have a snake case name such as `a_m` [INFO] [stderr] --> src/main.rs:94:9 [INFO] [stderr] | [INFO] [stderr] 94 | let A_m: T = From::from(2f64); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.76s [INFO] running `"docker" "inspect" "90aba74da1c61d2e28505f80581d644d66f6833e0efcfe7be496092dc5636af7"` [INFO] running `"docker" "rm" "-f" "90aba74da1c61d2e28505f80581d644d66f6833e0efcfe7be496092dc5636af7"` [INFO] [stdout] 90aba74da1c61d2e28505f80581d644d66f6833e0efcfe7be496092dc5636af7