[INFO] updating cached repository https://github.com/mito15/rust_fluid
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 57302ac0c997809e263df90bc91af603e02dc283
[INFO] testing mito15/rust_fluid against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmito15%2Frust_fluid" "work/builds/worker-5/source"`
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[INFO] validating manifest of git repo https://github.com/mito15/rust_fluid on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mito15/rust_fluid
[INFO] finished tweaking git repo https://github.com/mito15/rust_fluid
[INFO] tweaked toml for git repo https://github.com/mito15/rust_fluid written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mito15/rust_fluid already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 0910973c27e2a537ae065b2a416ca836ef9f6b0da51215a15a4c7582bfd8f99c
[INFO] running `"docker" "start" "-a" "0910973c27e2a537ae065b2a416ca836ef9f6b0da51215a15a4c7582bfd8f99c"`
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[INFO] [stderr]    Compiling num-traits v0.2.1
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[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Zip`
[INFO] [stderr]  --> src/lbm/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use itertools::Zip;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]   --> src/lbm/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use itertools::Itertools;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Add`, `Div`, `Mul`, `Sub`
[INFO] [stderr]   --> src/lbm/mod.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::ops::{Add, Sub, Mul, Div};
[INFO] [stderr]    |                ^^^  ^^^  ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::distributions::*`
[INFO] [stderr]   --> src/lbm/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rand::distributions::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/lbm/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Array1`, `RemoveAxis`, `arr1`
[INFO] [stderr]   --> src/lbm/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     RemoveAxis,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 17 |     Array1,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     arr1,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray_rand::RandomExt`
[INFO] [stderr]   --> src/lbm/mod.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use ndarray_rand::RandomExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray_parallel::*`
[INFO] [stderr]   --> src/lbm/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use ndarray_parallel::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::copy_nonoverlapping`
[INFO] [stderr]   --> src/lbm/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use std::ptr::copy_nonoverlapping;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::replace`
[INFO] [stderr]   --> src/lbm/mod.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::ptr::replace;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_traits::Zero`
[INFO] [stderr]   --> src/lbm/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use num_traits::Zero;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Zip`
[INFO] [stderr]  --> src/lbm/lbm_state.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use itertools::Zip;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Add`, `Div`, `Mul`, `Sub`
[INFO] [stderr]   --> src/lbm/lbm_state.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::ops::{Add, Sub, Mul, Div};
[INFO] [stderr]    |                ^^^  ^^^  ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/lbm/lbm_state.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Array1`, `RemoveAxis`, `arr1`
[INFO] [stderr]   --> src/lbm/lbm_state.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     RemoveAxis,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 17 |     Array1,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     arr1,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray_parallel::*`
[INFO] [stderr]   --> src/lbm/lbm_state.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use ndarray_parallel::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::copy_nonoverlapping`
[INFO] [stderr]   --> src/lbm/lbm_state.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use std::ptr::copy_nonoverlapping;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::replace`
[INFO] [stderr]   --> src/lbm/lbm_state.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::ptr::replace;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_traits::Zero`
[INFO] [stderr]   --> src/lbm/lbm_state.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use num_traits::Zero;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Zip`
[INFO] [stderr]  --> src/lbm/lbm_state2.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use itertools::Zip;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Add`, `Div`, `Mul`, `Sub`
[INFO] [stderr]   --> src/lbm/lbm_state2.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::ops::{Add, Sub, Mul, Div};
[INFO] [stderr]    |                ^^^  ^^^  ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/lbm/lbm_state2.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Array1`, `RemoveAxis`, `arr1`
[INFO] [stderr]   --> src/lbm/lbm_state2.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     RemoveAxis,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 17 |     Array1,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     arr1,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray_parallel::*`
[INFO] [stderr]   --> src/lbm/lbm_state2.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use ndarray_parallel::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::copy_nonoverlapping`
[INFO] [stderr]   --> src/lbm/lbm_state2.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use std::ptr::copy_nonoverlapping;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::replace`
[INFO] [stderr]   --> src/lbm/lbm_state2.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::ptr::replace;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_traits::Zero`
[INFO] [stderr]   --> src/lbm/lbm_state2.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use num_traits::Zero;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Zip`
[INFO] [stderr]  --> src/lbm/lbm_state2s.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use itertools::Zip;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sub`
[INFO] [stderr]   --> src/lbm/lbm_state2s.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::ops::{Add, Sub, Mul, Div};
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/lbm/lbm_state2s.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Array1`, `RemoveAxis`, `arr1`
[INFO] [stderr]   --> src/lbm/lbm_state2s.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     RemoveAxis,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 17 |     Array1,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     arr1,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray_parallel::*`
[INFO] [stderr]   --> src/lbm/lbm_state2s.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use ndarray_parallel::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::copy_nonoverlapping`
[INFO] [stderr]   --> src/lbm/lbm_state2s.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use std::ptr::copy_nonoverlapping;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::replace`
[INFO] [stderr]   --> src/lbm/lbm_state2s.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::ptr::replace;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_traits::Zero`
[INFO] [stderr]   --> src/lbm/lbm_state2s.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use num_traits::Zero;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> src/lbm/lbm_state.rs:120:86
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let v = WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }).flatten().collect_vec();
[INFO] [stderr]     |                                                                                      ^^^^^^^ multiple `flatten` found
[INFO] [stderr]     |
[INFO] [stderr]     = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Map<_, _>`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::iter::Iterator::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }))` instead
[INFO] [stderr]     = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_`
[INFO] [stderr]     = help: to disambiguate the method call, write `itertools::Itertools::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }))` instead
[INFO] [stderr] note: candidate #3 is defined in the trait `ndarray_parallel::prelude::ParallelIterator`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-1.0.1/src/iter/mod.rs:596:5
[INFO] [stderr]     |
[INFO] [stderr] 596 | /     fn flatten(self) -> Flatten<Self>
[INFO] [stderr] 597 | |         where Self::Item: IntoParallelIterator
[INFO] [stderr] 598 | |     {
[INFO] [stderr] 599 | |         flatten::new(self)
[INFO] [stderr] 600 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     = help: to disambiguate the method call, write `ndarray_parallel::prelude::ParallelIterator::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }))` instead
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> src/lbm/lbm_state2.rs:137:86
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let v = WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }).flatten().collect_vec();
[INFO] [stderr]     |                                                                                      ^^^^^^^ multiple `flatten` found
[INFO] [stderr]     |
[INFO] [stderr]     = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Map<_, _>`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::iter::Iterator::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }))` instead
[INFO] [stderr]     = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_`
[INFO] [stderr]     = help: to disambiguate the method call, write `itertools::Itertools::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }))` instead
[INFO] [stderr] note: candidate #3 is defined in the trait `ndarray_parallel::prelude::ParallelIterator`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-1.0.1/src/iter/mod.rs:596:5
[INFO] [stderr]     |
[INFO] [stderr] 596 | /     fn flatten(self) -> Flatten<Self>
[INFO] [stderr] 597 | |         where Self::Item: IntoParallelIterator
[INFO] [stderr] 598 | |     {
[INFO] [stderr] 599 | |         flatten::new(self)
[INFO] [stderr] 600 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     = help: to disambiguate the method call, write `ndarray_parallel::prelude::ParallelIterator::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }))` instead
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> src/lbm/lbm_state2.rs:141:86
[INFO] [stderr]     |
[INFO] [stderr] 141 |         let v = WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }).flatten().collect_vec();
[INFO] [stderr]     |                                                                                      ^^^^^^^ multiple `flatten` found
[INFO] [stderr]     |
[INFO] [stderr]     = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Map<_, _>`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::iter::Iterator::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }))` instead
[INFO] [stderr]     = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_`
[INFO] [stderr]     = help: to disambiguate the method call, write `itertools::Itertools::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }))` instead
[INFO] [stderr] note: candidate #3 is defined in the trait `ndarray_parallel::prelude::ParallelIterator`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-1.0.1/src/iter/mod.rs:596:5
[INFO] [stderr]     |
[INFO] [stderr] 596 | /     fn flatten(self) -> Flatten<Self>
[INFO] [stderr] 597 | |         where Self::Item: IntoParallelIterator
[INFO] [stderr] 598 | |     {
[INFO] [stderr] 599 | |         flatten::new(self)
[INFO] [stderr] 600 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     = help: to disambiguate the method call, write `ndarray_parallel::prelude::ParallelIterator::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }))` instead
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> src/lbm/lbm_state2s.rs:211:87
[INFO] [stderr]     |
[INFO] [stderr] 211 |         let v = WEIGHTS.iter().map(|x| { vec![*x * 0.15; self.width * self.height] }).flatten().collect_vec();
[INFO] [stderr]     |                                                                                       ^^^^^^^ multiple `flatten` found
[INFO] [stderr]     |
[INFO] [stderr]     = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Map<_, _>`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::iter::Iterator::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.15; self.width * self.height] }))` instead
[INFO] [stderr]     = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_`
[INFO] [stderr]     = help: to disambiguate the method call, write `itertools::Itertools::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.15; self.width * self.height] }))` instead
[INFO] [stderr] note: candidate #3 is defined in the trait `ndarray_parallel::prelude::ParallelIterator`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-1.0.1/src/iter/mod.rs:596:5
[INFO] [stderr]     |
[INFO] [stderr] 596 | /     fn flatten(self) -> Flatten<Self>
[INFO] [stderr] 597 | |         where Self::Item: IntoParallelIterator
[INFO] [stderr] 598 | |     {
[INFO] [stderr] 599 | |         flatten::new(self)
[INFO] [stderr] 600 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     = help: to disambiguate the method call, write `ndarray_parallel::prelude::ParallelIterator::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.15; self.width * self.height] }))` instead
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> src/lbm/lbm_state2s.rs:215:86
[INFO] [stderr]     |
[INFO] [stderr] 215 |         let v = WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }).flatten().collect_vec();
[INFO] [stderr]     |                                                                                      ^^^^^^^ multiple `flatten` found
[INFO] [stderr]     |
[INFO] [stderr]     = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Map<_, _>`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::iter::Iterator::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }))` instead
[INFO] [stderr]     = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_`
[INFO] [stderr]     = help: to disambiguate the method call, write `itertools::Itertools::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }))` instead
[INFO] [stderr] note: candidate #3 is defined in the trait `ndarray_parallel::prelude::ParallelIterator`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-1.0.1/src/iter/mod.rs:596:5
[INFO] [stderr]     |
[INFO] [stderr] 596 | /     fn flatten(self) -> Flatten<Self>
[INFO] [stderr] 597 | |         where Self::Item: IntoParallelIterator
[INFO] [stderr] 598 | |     {
[INFO] [stderr] 599 | |         flatten::new(self)
[INFO] [stderr] 600 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     = help: to disambiguate the method call, write `ndarray_parallel::prelude::ParallelIterator::flatten(WEIGHTS.iter().map(|x| { vec![*x * 0.3; self.width * self.height] }))` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]   --> src/lbm/lbm_state.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use itertools::Itertools;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]   --> src/lbm/lbm_state2.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use itertools::Itertools;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]   --> src/lbm/lbm_state2s.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use itertools::Itertools;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0034`.
[INFO] [stderr] error: could not compile `fluid_simulation`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0910973c27e2a537ae065b2a416ca836ef9f6b0da51215a15a4c7582bfd8f99c"`
[INFO] running `"docker" "rm" "-f" "0910973c27e2a537ae065b2a416ca836ef9f6b0da51215a15a4c7582bfd8f99c"`
[INFO] [stdout] 0910973c27e2a537ae065b2a416ca836ef9f6b0da51215a15a4c7582bfd8f99c