[INFO] fetching crate cart_lin 0.2.1...
[INFO] linting cart_lin-0.2.1 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate cart_lin 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate cart_lin 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cart_lin 0.2.1
[INFO] tweaked toml for crates.io crate cart_lin 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cart_lin 0.2.1 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 crates.io crate cart_lin 0.2.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.4.5
[INFO] [stderr]   Downloaded wide v0.7.15
[INFO] [stderr]   Downloaded nalgebra v0.32.5
[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] 86f1b3e0202e2ae841f5ff0dbcb73589b4c9c26f990fe8d8401fbc1549d3d55d
[INFO] running `Command { std: "docker" "start" "-a" "86f1b3e0202e2ae841f5ff0dbcb73589b4c9c26f990fe8d8401fbc1549d3d55d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86f1b3e0202e2ae841f5ff0dbcb73589b4c9c26f990fe8d8401fbc1549d3d55d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f1b3e0202e2ae841f5ff0dbcb73589b4c9c26f990fe8d8401fbc1549d3d55d", kill_on_drop: false }`
[INFO] [stdout] 86f1b3e0202e2ae841f5ff0dbcb73589b4c9c26f990fe8d8401fbc1549d3d55d
[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] ea38c06e0daad8f42f0cc53d09acc315a660bac6e781de7e830cc3e2937d5165
[INFO] running `Command { std: "docker" "start" "-a" "ea38c06e0daad8f42f0cc53d09acc315a660bac6e781de7e830cc3e2937d5165", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bytemuck v1.18.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking cart_lin v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/../README.md:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | for a three-dimensional matrix) into a linear index (i.e. the position in the
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout]    = note: `#[warn(clippy::doc_lazy_continuation)]` on by default
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 17 |   for a three-dimensional matrix) into a linear index (i.e. the position in the
[INFO] [stdout]    | ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/../README.md:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | underlying contiguous memory).
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 18 |   underlying contiguous memory).
[INFO] [stdout]    | ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/../README.md:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | write the calculated cartesian indices into a caller-provided slice instead of
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 21 |   write the calculated cartesian indices into a caller-provided slice instead of
[INFO] [stdout]    | ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/../README.md:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | returning an index array.
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 22 |   returning an index array.
[INFO] [stdout]    | ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     return indices.len() == dim_size.len();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     return indices.len() == dim_size.len();
[INFO] [stdout] 13 +     indices.len() == dim_size.len()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         return Some(cart_to_lin_unchecked(indices, dim_size));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 55 -         return Some(cart_to_lin_unchecked(indices, dim_size));
[INFO] [stdout] 55 +         Some(cart_to_lin_unchecked(indices, dim_size))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         return None;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         return None;
[INFO] [stdout] 57 +         None
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     return index;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 88 -     return index;
[INFO] [stdout] 88 +     index
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         return None;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 108 -         return None;
[INFO] [stdout] 108 +         None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         return Some(lin_to_cart_unchecked(index, dim_size));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 110 -         return Some(lin_to_cart_unchecked(index, dim_size));
[INFO] [stdout] 110 +         Some(lin_to_cart_unchecked(index, dim_size))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.fold` can be written more succinctly using another method
[INFO] [stdout]    --> src/lib.rs:107:33
[INFO] [stdout]     |
[INFO] [stdout] 107 |     if index >= dim_size.iter().fold(1, |acc, bound| acc * bound) {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `product::<usize>()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_fold)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     return indices;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 136 -     return indices;
[INFO] [stdout] 136 +     indices
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         return Err("length of slices not equal or index out of bounds");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 171 -         return Err("length of slices not equal or index out of bounds");
[INFO] [stdout] 171 +         Err("length of slices not equal or index out of bounds")
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         return Ok(());
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 174 -         return Ok(());
[INFO] [stdout] 174 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.fold` can be written more succinctly using another method
[INFO] [stdout]    --> src/lib.rs:169:37
[INFO] [stdout]     |
[INFO] [stdout] 169 |         || index >= dim_size.iter().fold(1, |acc, bound| acc * bound)
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `product::<usize>()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/lib.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |         index = index / *bound;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `index /= *bound`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]     = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |         return Self::from_bounds_unchecked(bounds);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 244 -         return Self::from_bounds_unchecked(bounds);
[INFO] [stdout] 244 +         Self::from_bounds_unchecked(bounds)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]    --> src/lib.rs:240:52
[INFO] [stdout]     |
[INFO] [stdout] 240 |         for (limits, dim) in bounds.iter_mut().zip(dim_size.into_iter()) {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]    --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]     = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]     |
[INFO] [stdout] 240 -         for (limits, dim) in bounds.iter_mut().zip(dim_size.into_iter()) {
[INFO] [stdout] 240 +         for (limits, dim) in bounds.iter_mut().zip(dim_size) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |         return Some(Self::from_bounds_unchecked(bounds));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 283 -         return Some(Self::from_bounds_unchecked(bounds));
[INFO] [stdout] 283 +         Some(Self::from_bounds_unchecked(bounds))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 | /         return Self {
[INFO] [stdout] 301 | |             current: 0,
[INFO] [stdout] 302 | |             max,
[INFO] [stdout] 303 | |             limit_deltas,
[INFO] [stdout] 304 | |             bounds,
[INFO] [stdout] 305 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 300 ~         Self {
[INFO] [stdout] 301 +             current: 0,
[INFO] [stdout] 302 +             max,
[INFO] [stdout] 303 +             limit_deltas,
[INFO] [stdout] 304 +             bounds,
[INFO] [stdout] 305 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/lib.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |             max = max * *delta;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `max *= *delta`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         return Some(res);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 326 -         return Some(res);
[INFO] [stdout] 326 +         Some(res)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:331:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |         return self.next();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 331 -         return self.next();
[INFO] [stdout] 331 +         self.next()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking wide v0.7.15
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking nalgebra v0.32.5
[INFO] [stdout] warning: useless conversion to the same type: `std::ops::Range<usize>`
[INFO] [stdout]   --> tests/nalgebra.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let indices: Vec<usize> = (0..nrows * ncols).into_iter().collect();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `(0..nrows * ncols)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/../README.md:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | for a three-dimensional matrix) into a linear index (i.e. the position in the
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout]    = note: `#[warn(clippy::doc_lazy_continuation)]` on by default
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 17 |   for a three-dimensional matrix) into a linear index (i.e. the position in the
[INFO] [stdout]    | ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/../README.md:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | underlying contiguous memory).
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 18 |   underlying contiguous memory).
[INFO] [stdout]    | ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/../README.md:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | write the calculated cartesian indices into a caller-provided slice instead of
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 21 |   write the calculated cartesian indices into a caller-provided slice instead of
[INFO] [stdout]    | ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/../README.md:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | returning an index array.
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 22 |   returning an index array.
[INFO] [stdout]    | ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     return indices.len() == dim_size.len();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     return indices.len() == dim_size.len();
[INFO] [stdout] 13 +     indices.len() == dim_size.len()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         return Some(cart_to_lin_unchecked(indices, dim_size));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 55 -         return Some(cart_to_lin_unchecked(indices, dim_size));
[INFO] [stdout] 55 +         Some(cart_to_lin_unchecked(indices, dim_size))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         return None;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         return None;
[INFO] [stdout] 57 +         None
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     return index;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 88 -     return index;
[INFO] [stdout] 88 +     index
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         return None;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 108 -         return None;
[INFO] [stdout] 108 +         None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         return Some(lin_to_cart_unchecked(index, dim_size));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 110 -         return Some(lin_to_cart_unchecked(index, dim_size));
[INFO] [stdout] 110 +         Some(lin_to_cart_unchecked(index, dim_size))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.fold` can be written more succinctly using another method
[INFO] [stdout]    --> src/lib.rs:107:33
[INFO] [stdout]     |
[INFO] [stdout] 107 |     if index >= dim_size.iter().fold(1, |acc, bound| acc * bound) {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `product::<usize>()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_fold)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     return indices;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 136 -     return indices;
[INFO] [stdout] 136 +     indices
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         return Err("length of slices not equal or index out of bounds");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 171 -         return Err("length of slices not equal or index out of bounds");
[INFO] [stdout] 171 +         Err("length of slices not equal or index out of bounds")
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         return Ok(());
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 174 -         return Ok(());
[INFO] [stdout] 174 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.fold` can be written more succinctly using another method
[INFO] [stdout]    --> src/lib.rs:169:37
[INFO] [stdout]     |
[INFO] [stdout] 169 |         || index >= dim_size.iter().fold(1, |acc, bound| acc * bound)
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `product::<usize>()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/lib.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |         index = index / *bound;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `index /= *bound`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]     = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |         return Self::from_bounds_unchecked(bounds);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 244 -         return Self::from_bounds_unchecked(bounds);
[INFO] [stdout] 244 +         Self::from_bounds_unchecked(bounds)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]    --> src/lib.rs:240:52
[INFO] [stdout]     |
[INFO] [stdout] 240 |         for (limits, dim) in bounds.iter_mut().zip(dim_size.into_iter()) {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]    --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/iterator.rs:629:11
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]     = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]     |
[INFO] [stdout] 240 -         for (limits, dim) in bounds.iter_mut().zip(dim_size.into_iter()) {
[INFO] [stdout] 240 +         for (limits, dim) in bounds.iter_mut().zip(dim_size) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |         return Some(Self::from_bounds_unchecked(bounds));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 283 -         return Some(Self::from_bounds_unchecked(bounds));
[INFO] [stdout] 283 +         Some(Self::from_bounds_unchecked(bounds))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 | /         return Self {
[INFO] [stdout] 301 | |             current: 0,
[INFO] [stdout] 302 | |             max,
[INFO] [stdout] 303 | |             limit_deltas,
[INFO] [stdout] 304 | |             bounds,
[INFO] [stdout] 305 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 300 ~         Self {
[INFO] [stdout] 301 +             current: 0,
[INFO] [stdout] 302 +             max,
[INFO] [stdout] 303 +             limit_deltas,
[INFO] [stdout] 304 +             bounds,
[INFO] [stdout] 305 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/lib.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |             max = max * *delta;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `max *= *delta`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         return Some(res);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 326 -         return Some(res);
[INFO] [stdout] 326 +         Some(res)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:331:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |         return self.next();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 331 -         return self.next();
[INFO] [stdout] 331 +         self.next()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::ops::Range<usize>`
[INFO] [stdout]   --> tests/ndarray.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let indices: Vec<usize> = (0..nrows * ncols).into_iter().collect();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `(0..nrows * ncols)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::ops::Range<usize>`
[INFO] [stdout]   --> tests/ndarray.rs:43:31
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let indices: Vec<usize> = (0..n0 * n1 * n2).into_iter().collect();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `(0..n0 * n1 * n2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::ops::Range<usize>`
[INFO] [stdout]   --> tests/ndarray.rs:70:31
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let indices: Vec<usize> = (0..n0 * n1 * n2 * n3).into_iter().collect();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `(0..n0 * n1 * n2 * n3)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> tests/conversion.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |     assert!(!lin_to_cart_dyn(6, &[2, 3], buffer).is_ok());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `lin_to_cart_dyn(6, &[2, 3], buffer).is_err()`
[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: this boolean expression can be simplified
[INFO] [stdout]    --> tests/conversion.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |     assert!(!lin_to_cart_dyn(1243, &[2, 3], buffer).is_ok());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `lin_to_cart_dyn(1243, &[2, 3], buffer).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.86s
[INFO] running `Command { std: "docker" "inspect" "ea38c06e0daad8f42f0cc53d09acc315a660bac6e781de7e830cc3e2937d5165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea38c06e0daad8f42f0cc53d09acc315a660bac6e781de7e830cc3e2937d5165", kill_on_drop: false }`
[INFO] [stdout] ea38c06e0daad8f42f0cc53d09acc315a660bac6e781de7e830cc3e2937d5165