[INFO] updating cached repository mito15/rust_fluid [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mito15/rust_fluid [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mito15/rust_fluid" "work/ex/beta-1.38-1/sources/1.37.0/gh/mito15/rust_fluid"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mito15/rust_fluid'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mito15/rust_fluid" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mito15/rust_fluid"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mito15/rust_fluid'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 57302ac0c997809e263df90bc91af603e02dc283 [INFO] sha for GitHub repo mito15/rust_fluid: 57302ac0c997809e263df90bc91af603e02dc283 [INFO] validating manifest of mito15/rust_fluid on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mito15/rust_fluid on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mito15/rust_fluid [INFO] finished frobbing mito15/rust_fluid [INFO] frobbed toml for mito15/rust_fluid written to work/ex/beta-1.38-1/sources/1.37.0/gh/mito15/rust_fluid/Cargo.toml [INFO] started frobbing mito15/rust_fluid [INFO] finished frobbing mito15/rust_fluid [INFO] frobbed toml for mito15/rust_fluid written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mito15/rust_fluid/Cargo.toml [INFO] crate mito15/rust_fluid already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mito15/rust_fluid against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mito15/rust_fluid:/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] ed6b1eb4df6b6a76f91450375ac22d502842b5d5ed208a035a7e9826f18c4517 [INFO] running `"docker" "start" "-a" "ed6b1eb4df6b6a76f91450375ac22d502842b5d5ed208a035a7e9826f18c4517"` [INFO] [stderr] Compiling ndarray v0.11.1 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling shared_library v0.1.8 [INFO] [stderr] Compiling itertools v0.7.7 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling tempfile v2.2.0 [INFO] [stderr] Compiling rusttype v0.2.3 [INFO] [stderr] Compiling gl_generator v0.6.1 [INFO] [stderr] Compiling x11-dl v2.17.3 [INFO] [stderr] Compiling gfx_core v0.7.2 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling fs2 v0.2.5 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling gfx_gl v0.4.0 [INFO] [stderr] warning[E0311]: the parameter type `K` may not live long enough [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19 [INFO] [stderr] | [INFO] [stderr] 81 | match node.force() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding an explicit lifetime bound for `K` [INFO] [stderr] note: the parameter type `K` must be valid for the anonymous lifetime #1 defined on the function body at 77:9... [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | / fn clone_subtree( [INFO] [stderr] 78 | | node: node::NodeRef) [INFO] [stderr] 79 | | -> BTreeMap { [INFO] [stderr] 80 | | [INFO] [stderr] ... | [INFO] [stderr] 136| | } [INFO] [stderr] 137| | } [INFO] [stderr] | |_________^ [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0311]: the parameter type `V` may not live long enough [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19 [INFO] [stderr] | [INFO] [stderr] 81 | match node.force() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding an explicit lifetime bound for `V` [INFO] [stderr] note: the parameter type `V` must be valid for the anonymous lifetime #1 defined on the function body at 77:9... [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | / fn clone_subtree( [INFO] [stderr] 78 | | node: node::NodeRef) [INFO] [stderr] 79 | | -> BTreeMap { [INFO] [stderr] 80 | | [INFO] [stderr] ... | [INFO] [stderr] 136| | } [INFO] [stderr] 137| | } [INFO] [stderr] | |_________^ [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling gl v0.7.0 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling target_build_utils v0.3.1 [INFO] [stderr] Compiling memmap v0.4.0 [INFO] [stderr] Compiling glutin v0.10.1 [INFO] [stderr] Compiling piston2d-graphics v0.24.0 [INFO] [stderr] Compiling pistoncore-input v0.20.0 [INFO] [stderr] Compiling rayon v1.0.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.14 [INFO] [stderr] Compiling pistoncore-window v0.30.0 [INFO] [stderr] Compiling pistoncore-event_loop v0.35.0 [INFO] [stderr] Compiling piston v0.35.0 [INFO] [stderr] Compiling image v0.18.0 [INFO] [stderr] Compiling libloading v0.3.4 [INFO] [stderr] Compiling ndarray-rand v0.7.0 [INFO] [stderr] Compiling ndarray-parallel v0.8.0 [INFO] [stderr] Compiling dlib v0.3.1 [INFO] [stderr] Compiling wayland-sys v0.9.10 [INFO] [stderr] Compiling wayland-client v0.9.10 [INFO] [stderr] Compiling wayland-protocols v0.9.10 [INFO] [stderr] Compiling wayland-kbd v0.9.1 [INFO] [stderr] Compiling wayland-window v0.8.0 [INFO] [stderr] Compiling winit v0.8.3 [INFO] [stderr] Compiling gfx v0.16.3 [INFO] [stderr] Compiling gfx_device_gl v0.14.6 [INFO] [stderr] Compiling pistoncore-glutin_window v0.43.0 [INFO] [stderr] Compiling piston-gfx_texture v0.30.0 [INFO] [stderr] Compiling piston2d-gfx_graphics v0.47.0 [INFO] [stderr] Compiling piston_window v0.74.0 [INFO] [stderr] Compiling fluid_simulation v0.1.0 (/opt/crater/workdir) [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] = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_` [INFO] [stderr] note: candidate #3 is defined in the trait `ndarray_parallel::prelude::ParallelIterator` [INFO] [stderr] --> /opt/crater/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 [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(|| ))` 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] = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_` [INFO] [stderr] note: candidate #3 is defined in the trait `ndarray_parallel::prelude::ParallelIterator` [INFO] [stderr] --> /opt/crater/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 [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(|| ))` 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] = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_` [INFO] [stderr] note: candidate #3 is defined in the trait `ndarray_parallel::prelude::ParallelIterator` [INFO] [stderr] --> /opt/crater/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 [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(|| ))` 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] = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_` [INFO] [stderr] note: candidate #3 is defined in the trait `ndarray_parallel::prelude::ParallelIterator` [INFO] [stderr] --> /opt/crater/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 [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(|| ))` 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] = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_` [INFO] [stderr] note: candidate #3 is defined in the trait `ndarray_parallel::prelude::ParallelIterator` [INFO] [stderr] --> /opt/crater/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 [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(|| ))` 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" "ed6b1eb4df6b6a76f91450375ac22d502842b5d5ed208a035a7e9826f18c4517"` [INFO] running `"docker" "rm" "-f" "ed6b1eb4df6b6a76f91450375ac22d502842b5d5ed208a035a7e9826f18c4517"` [INFO] [stdout] ed6b1eb4df6b6a76f91450375ac22d502842b5d5ed208a035a7e9826f18c4517