[INFO] cloning repository https://github.com/f4try/tutorials_rust_cfd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/f4try/tutorials_rust_cfd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff4try%2Ftutorials_rust_cfd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff4try%2Ftutorials_rust_cfd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e1e1f75142d039726620f40f8d20b22c8e2ad0e
[INFO] checking f4try/tutorials_rust_cfd against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff4try%2Ftutorials_rust_cfd" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/f4try/tutorials_rust_cfd on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/f4try/tutorials_rust_cfd
[INFO] finished tweaking git repo https://github.com/f4try/tutorials_rust_cfd
[INFO] tweaked toml for git repo https://github.com/f4try/tutorials_rust_cfd written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/f4try/tutorials_rust_cfd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-bitmap v0.3.0
[INFO] [stderr]   Downloaded font-kit v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeda846dbc9ad6681a367e384c26e1f0b93937c78bd894a8ad567bf6407919b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aeda846dbc9ad6681a367e384c26e1f0b93937c78bd894a8ad567bf6407919b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeda846dbc9ad6681a367e384c26e1f0b93937c78bd894a8ad567bf6407919b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeda846dbc9ad6681a367e384c26e1f0b93937c78bd894a8ad567bf6407919b7", kill_on_drop: false }`
[INFO] [stdout] aeda846dbc9ad6681a367e384c26e1f0b93937c78bd894a8ad567bf6407919b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9370f7d374a3b85f1b86203ce64e6acad11ea5a5f74c0384522121957ba57a52
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9370f7d374a3b85f1b86203ce64e6acad11ea5a5f74c0384522121957ba57a52", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking gnuplot v0.0.37
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking font-kit v0.7.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking image v0.23.12
[INFO] [stderr]     Checking plotters-bitmap v0.3.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking cfd_tut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> examples/tut15_navier_stokes_channel.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `criterion_plot`
[INFO] [stdout]  --> examples/tut_criterion_plot.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use criterion_plot::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ use of undeclared crate or module `criterion_plot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> examples/tut01_1D_convection.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> examples/tut03_convergence_cfl.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     for n in 1..nt{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> examples/tut03_convergence_cfl.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     for n in 1..nt{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> examples/tut06_array_operations.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/tut03_convergence_cfl.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut uh = u.slice_mut(s![(0.5/dx) as usize..(1./dx +1.) as usize]);
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/tut03_convergence_cfl.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut uh = u.slice_mut(s![(0.5/dx) as usize..(1./dx +1.) as usize]);
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> examples/tut02_1D_nonlinear_convection.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let c = 1.;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> examples/tut02_1D_nonlinear_convection.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     for n in 1..nt{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `itertools_num`
[INFO] [stdout]  --> examples/tut_criterion_plot.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools_num::linspace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of undeclared crate or module `itertools_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/tut02_1D_nonlinear_convection.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut uh = u.slice_mut(s![(0.5/dx) as usize..(1./dx +1.) as usize]);
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `tut02_1D_nonlinear_convection` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `tut02_1_d_nonlinear_convection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sigma`
[INFO] [stdout]   --> examples/tut05_burgers.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let sigma = 0.5;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_sigma`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> examples/tut05_burgers.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let t = 0;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> examples/tut05_burgers.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     for n in 1..nt{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pn` is never read
[INFO] [stdout]   --> examples/tut15_navier_stokes_channel.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut pn = Array2::<f64>::zeros((row,col));
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]   --> examples/tut15_navier_stokes_channel.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     for q in 0..nit{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> examples/tut00_quick_intro.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     for i in 0..5{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nt`
[INFO] [stdout]   --> examples/tut15_navier_stokes_channel.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let nt = 10;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_nt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> examples/tut15_navier_stokes_channel.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let c = 1;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `un` is never read
[INFO] [stdout]   --> examples/tut15_navier_stokes_channel.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut un = Array2::<f64>::zeros((ny,nx));
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vn` is never read
[INFO] [stdout]   --> examples/tut15_navier_stokes_channel.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut vn = Array2::<f64>::zeros((ny,nx));
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pn`
[INFO] [stdout]   --> examples/tut15_navier_stokes_channel.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut pn = Array2::<f64>::zeros((ny,nx));
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `b` is assigned to, but never used
[INFO] [stdout]   --> examples/tut15_navier_stokes_channel.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut b = Array2::<f64>::zeros((ny,nx));
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_b` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]    --> examples/tut15_navier_stokes_channel.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         b = build_up_b(rho, dt, dx, dy, &u, &v);
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Boxed`
[INFO] [stdout]  --> examples/tut_criterion_plot.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |             k.set(Boxed::Yes)
[INFO] [stdout]   |                   ^^^^^ use of undeclared type `Boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Position`
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .set(Position::Inside(Vertical::Top, Horizontal::Left))
[INFO] [stdout]    |                  ^^^^^^^^ use of undeclared type `Position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Vertical`
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .set(Position::Inside(Vertical::Top, Horizontal::Left))
[INFO] [stdout]    |                                   ^^^^^^^^ use of undeclared type `Vertical`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Horizontal`
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:10:50
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .set(Position::Inside(Vertical::Top, Horizontal::Left))
[INFO] [stdout]    |                                                  ^^^^^^^^^^ use of undeclared type `Horizontal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Color`
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 lp.set(Color::DarkViolet)
[INFO] [stdout]    |                        ^^^^^ use of undeclared type `Color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LineType`
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |                     .set(LineType::Dash)
[INFO] [stdout]    |                          ^^^^^^^^ use of undeclared type `LineType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PointType`
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     .set(PointType::Circle)
[INFO] [stdout]    |                          ^^^^^^^^^ use of undeclared type `PointType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Child` in this scope
[INFO] [stdout]  --> examples/tut_criterion_plot.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main()->Result<Child,Box<(dyn std::error::Error + 'static)>>{
[INFO] [stdout]   |                   ^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::Child;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Figure`
[INFO] [stdout]  --> examples/tut_criterion_plot.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Figure::new()
[INFO] [stdout]   |     ^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gnuplot::Figure;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Key` in this scope
[INFO] [stdout]  --> examples/tut_criterion_plot.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |         .configure(Key, |k| {
[INFO] [stdout]   |                    ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LinesPoints` in this scope
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |         .plot(LinesPoints {
[INFO] [stdout]    |               ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Label` in this scope
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |                     .set(Label("sin(x)"))
[INFO] [stdout]    |                          ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pn` is never read
[INFO] [stdout]   --> examples/tut13_poisson.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut pn = p.clone();
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `PointSize` in this scope
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     .set(PointSize(1.5))
[INFO] [stdout]    |                          ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 1  | use gnuplot::PointSize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Steps` in this scope
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |         .plot(Steps {
[INFO] [stdout]    |               ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Color`
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 s.set(Color::Rgb(0, 158, 115))
[INFO] [stdout]    |                       ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use plotters::prelude::Color;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Label` in this scope
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 .set(Label("atan(x)"))
[INFO] [stdout]    |                      ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `LineWidth` in this scope
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 .set(LineWidth(2.))
[INFO] [stdout]    |                      ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 1  | use gnuplot::LineWidth;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Impulses` in this scope
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |         .plot(Impulses {
[INFO] [stdout]    |               ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Color`
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 i.set(Color::Rgb(86, 180, 233))
[INFO] [stdout]    |                       ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use plotters::prelude::Color;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Label` in this scope
[INFO] [stdout]   --> examples/tut_criterion_plot.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 .set(Label("cos(atan(x))"))
[INFO] [stdout]    |                      ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> examples/tut01_1D_convection.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     for n in 1..nt{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pd`
[INFO] [stdout]   --> examples/tut13_poisson.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let pd=p.clone();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_pd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 22 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0422, E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/tut01_1D_convection.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut uh = u.slice_mut(s![(0.5/dx) as usize..(1./dx +1.) as usize]);
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `tut01_1D_convection` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `tut01_1_d_convection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pn` is never read
[INFO] [stdout]   --> examples/tut14_navier_stokes_cavity.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut pn = p.clone();
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> examples/tut14_navier_stokes_cavity.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     for n in 1..nit{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `un` is never read
[INFO] [stdout]   --> examples/tut14_navier_stokes_cavity.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut un = u.clone();
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vn` is never read
[INFO] [stdout]   --> examples/tut14_navier_stokes_cavity.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut vn = v.clone();
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> examples/tut14_navier_stokes_cavity.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     for n in 0..nt{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> examples/tut14_navier_stokes_cavity.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let c = 1.;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> examples/tut14_navier_stokes_cavity.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut b = Array2::<f64>::zeros((ny,nx));
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cfd_tut`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plot2D` should have a snake case name
[INFO] [stdout]  --> examples/tut13_poisson.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn plot2D(p:&Array2<f64>,nx:usize,ny:usize,x:f64,y:f64){
[INFO] [stdout]   |    ^^^^^^ help: convert the identifier to snake case: `plot2_d`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/tut15_navier_stokes_channel.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut pn = Array2::<f64>::zeros((ny,nx));
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> examples/tut04_diffusion.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for n in 1..nt{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]   --> examples/tut15_navier_stokes_channel.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let F = 1.;
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/tut05_burgers.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fg.show();
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> examples/tut13_poisson.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fg.show();
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> examples/tut14_navier_stokes_cavity.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut b = Array2::<f64>::zeros((ny,nx));
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> examples/tut06_array_operations.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let x = Array1::linspace(0.,2.,nx);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> examples/tut06_array_operations.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let y = Array1::linspace(0.,2.,ny);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `un` is never read
[INFO] [stdout]   --> examples/tut06_array_operations.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut un = Array2::<f64>::ones((ny,nx));
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> examples/tut06_array_operations.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     for n in 0..nt+1{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> examples/tut06_array_operations.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let now = SystemTime::now();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `un` is never read
[INFO] [stdout]   --> examples/tut06_array_operations.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut un = Array2::<f64>::ones((ny,nx));
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> examples/tut06_array_operations.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     for n in 1..nt+1{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> examples/tut15_navier_stokes_channel.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fg.show();
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> examples/tut15_navier_stokes_channel.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fg.show();
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> examples/tut15_navier_stokes_channel.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fg.show();
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/tut04_diffusion.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fg.show();
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> examples/tut12_2D_laplace.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let c = 1;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/tut06_array_operations.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fg.show();
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `tut12_2D_laplace` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `tut12_2_d_laplace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plot2D` should have a snake case name
[INFO] [stdout]  --> examples/tut12_2D_laplace.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn plot2D(p:&Array2<f64>,nx:usize,ny:usize,x:f64,y:f64){
[INFO] [stdout]   |    ^^^^^^ help: convert the identifier to snake case: `plot2_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> examples/tut14_navier_stokes_cavity.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fg.show();
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> examples/tut14_navier_stokes_cavity.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fg.show();
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> examples/tut14_navier_stokes_cavity.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fg.show();
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> examples/tut12_2D_laplace.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fg.show();
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9370f7d374a3b85f1b86203ce64e6acad11ea5a5f74c0384522121957ba57a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9370f7d374a3b85f1b86203ce64e6acad11ea5a5f74c0384522121957ba57a52", kill_on_drop: false }`
[INFO] [stdout] 9370f7d374a3b85f1b86203ce64e6acad11ea5a5f74c0384522121957ba57a52