[INFO] cloning repository https://github.com/MathiasBjerggaard/3D-Smoluchowski-Simulation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MathiasBjerggaard/3D-Smoluchowski-Simulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasBjerggaard%2F3D-Smoluchowski-Simulation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasBjerggaard%2F3D-Smoluchowski-Simulation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5050b4f9361b42f9802737b0af4d73f9ce1db919
[INFO] testing MathiasBjerggaard/3D-Smoluchowski-Simulation against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasBjerggaard%2F3D-Smoluchowski-Simulation" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MathiasBjerggaard/3D-Smoluchowski-Simulation
[INFO] finished tweaking git repo https://github.com/MathiasBjerggaard/3D-Smoluchowski-Simulation
[INFO] tweaked toml for git repo https://github.com/MathiasBjerggaard/3D-Smoluchowski-Simulation written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MathiasBjerggaard/3D-Smoluchowski-Simulation on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MathiasBjerggaard/3D-Smoluchowski-Simulation 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" "+beta-2025-09-21" "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 rand_distr v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87aa2d751b868a8b02c85a36fa6f0ab8943a3d5cd43c416852e257c7d39a0b52
[INFO] running `Command { std: "docker" "start" "-a" "87aa2d751b868a8b02c85a36fa6f0ab8943a3d5cd43c416852e257c7d39a0b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87aa2d751b868a8b02c85a36fa6f0ab8943a3d5cd43c416852e257c7d39a0b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87aa2d751b868a8b02c85a36fa6f0ab8943a3d5cd43c416852e257c7d39a0b52", kill_on_drop: false }`
[INFO] [stdout] 87aa2d751b868a8b02c85a36fa6f0ab8943a3d5cd43c416852e257c7d39a0b52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac7df7883fb1cf8b5d68304be032e6ebc7770c953b446c04c5f5ab8485740757
[INFO] running `Command { std: "docker" "start" "-a" "ac7df7883fb1cf8b5d68304be032e6ebc7770c953b446c04c5f5ab8485740757", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling Sim3D v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand_distr::Distribution`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand_distr::Distribution;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `PosWriter`
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut PosWriter = BufWriter::new(file);  
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_PosWriter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut PosWriter = BufWriter::new(file);  
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testboundpercent` is never used
[INFO] [stdout]    --> src/main.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn testboundpercent(status:&Vec<u32>, number:usize)->String{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Save` is never used
[INFO] [stdout]    --> src/main.rs:203:4
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn Save(dna:&Vec<Vec<f64>>,particles:&Vec<Vec<f64>>, PosWriter: &mut BufWriter<File>,i:usize)-> Result<(), Box<dyn std::error::Error>>{
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `PosWriter` should have a snake case name
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut PosWriter = BufWriter::new(file);  
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `pos_writer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TTDfile` should have a snake case name
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let TTDfile = OpenOptions::new()
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `ttdfile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TTDwriter` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut TTDwriter = BufWriter::new(TTDfile);  
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `ttdwriter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     saveboundpercent(boundpercent, &mut TTDwriter);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let _ = saveboundpercent(boundpercent, &mut TTDwriter);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Placeparticles` should have a snake case name
[INFO] [stdout]   --> src/main.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn Placeparticles(number:usize, dna: &mut Vec<Vec<f64>>)->Vec<Vec<f64>>{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `placeparticles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Save` should have a snake case name
[INFO] [stdout]    --> src/main.rs:203:4
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn Save(dna:&Vec<Vec<f64>>,particles:&Vec<Vec<f64>>, PosWriter: &mut BufWriter<File>,i:usize)-> Result<(), Box<dyn std::error::Error>>{
[INFO] [stdout]     |    ^^^^ help: convert the identifier to snake case (notice the capitalization): `save`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `PosWriter` should have a snake case name
[INFO] [stdout]    --> src/main.rs:203:54
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn Save(dna:&Vec<Vec<f64>>,particles:&Vec<Vec<f64>>, PosWriter: &mut BufWriter<File>,i:usize)-> Result<(), Box<dyn std::error::Error>>{
[INFO] [stdout]     |                                                      ^^^^^^^^^ help: convert the identifier to snake case: `pos_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |         writeln!(PosWriter, "Particles start");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let _ = writeln!(PosWriter, "Particles start");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TTDPosWriter` should have a snake case name
[INFO] [stdout]    --> src/main.rs:224:44
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn saveboundpercent(boundpercent:Vec<i32>, TTDPosWriter: &mut BufWriter<File>)-> Result<(), Box<dyn std::error::Error>>{
[INFO] [stdout]     |                                            ^^^^^^^^^^^^ help: convert the identifier to snake case: `ttdpos_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "ac7df7883fb1cf8b5d68304be032e6ebc7770c953b446c04c5f5ab8485740757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7df7883fb1cf8b5d68304be032e6ebc7770c953b446c04c5f5ab8485740757", kill_on_drop: false }`
[INFO] [stdout] ac7df7883fb1cf8b5d68304be032e6ebc7770c953b446c04c5f5ab8485740757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e03d518e5511149d28604a447d48cc2f808a3e523151e84c54fa2b93a22fe58a
[INFO] running `Command { std: "docker" "start" "-a" "e03d518e5511149d28604a447d48cc2f808a3e523151e84c54fa2b93a22fe58a", kill_on_drop: false }`
[INFO] [stderr]    Compiling Sim3D v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 5 arguments were supplied
[INFO] [stdout]    --> src/main.rs:272:30
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let updated_status = detectcollision(&particles, status.clone(), number, done, &dna);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^                             ------  ---- unexpected argument #4 of type `{integer}`
[INFO] [stdout]     |                                                                          |
[INFO] [stdout]     |                                                                          unexpected argument #3 of type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/main.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn detectcollision(particles:&Vec<Vec<f64>>, mut status:Vec<u32>, dna:&Vec<Vec<f64>>)->Vec<u32>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the extra arguments
[INFO] [stdout]     |
[INFO] [stdout] 272 -         let updated_status = detectcollision(&particles, status.clone(), number, done, &dna);
[INFO] [stdout] 272 +         let updated_status = detectcollision(&particles, status.clone(), &dna);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 5 arguments were supplied
[INFO] [stdout]    --> src/main.rs:286:30
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let updated_status = detectcollision(&particles, status.clone(), number, done, &dna);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^                             ------  ---- unexpected argument #4 of type `{integer}`
[INFO] [stdout]     |                                                                          |
[INFO] [stdout]     |                                                                          unexpected argument #3 of type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/main.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn detectcollision(particles:&Vec<Vec<f64>>, mut status:Vec<u32>, dna:&Vec<Vec<f64>>)->Vec<u32>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the extra arguments
[INFO] [stdout]     |
[INFO] [stdout] 286 -         let updated_status = detectcollision(&particles, status.clone(), number, done, &dna);
[INFO] [stdout] 286 +         let updated_status = detectcollision(&particles, status.clone(), &dna);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 5 arguments were supplied
[INFO] [stdout]    --> src/main.rs:299:34
[INFO] [stdout]     |
[INFO] [stdout] 299 |         let mut updated_status = detectcollision(&particles, status.clone(), number, done, &dna);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^                             ------  ---- unexpected argument #4 of type `{integer}`
[INFO] [stdout]     |                                                                              |
[INFO] [stdout]     |                                                                              unexpected argument #3 of type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/main.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn detectcollision(particles:&Vec<Vec<f64>>, mut status:Vec<u32>, dna:&Vec<Vec<f64>>)->Vec<u32>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the extra arguments
[INFO] [stdout]     |
[INFO] [stdout] 299 -         let mut updated_status = detectcollision(&particles, status.clone(), number, done, &dna);
[INFO] [stdout] 299 +         let mut updated_status = detectcollision(&particles, status.clone(), &dna);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 5 arguments were supplied
[INFO] [stdout]    --> src/main.rs:301:30
[INFO] [stdout]     |
[INFO] [stdout] 301 |             updated_status = detectcollision(&particles, status.clone(), number, done, &dna);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^                             ------  ---- unexpected argument #4 of type `{integer}`
[INFO] [stdout]     |                                                                          |
[INFO] [stdout]     |                                                                          unexpected argument #3 of type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/main.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn detectcollision(particles:&Vec<Vec<f64>>, mut status:Vec<u32>, dna:&Vec<Vec<f64>>)->Vec<u32>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the extra arguments
[INFO] [stdout]     |
[INFO] [stdout] 301 -             updated_status = detectcollision(&particles, status.clone(), number, done, &dna);
[INFO] [stdout] 301 +             updated_status = detectcollision(&particles, status.clone(), &dna);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_distr::Distribution`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand_distr::Distribution;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `PosWriter`
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut PosWriter = BufWriter::new(file);  
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_PosWriter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut PosWriter = BufWriter::new(file);  
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let mut particles = vec![vec![0.5, 0.5, 0.5], vec![0.2, 0.2, 0.2]];
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |         let mut particles = vec![vec![0.5, 0.5, 0.5], vec![0.2, 0.2, 0.2]];
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Sim3D` (bin "Sim3D" test) due to 4 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e03d518e5511149d28604a447d48cc2f808a3e523151e84c54fa2b93a22fe58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e03d518e5511149d28604a447d48cc2f808a3e523151e84c54fa2b93a22fe58a", kill_on_drop: false }`
[INFO] [stdout] e03d518e5511149d28604a447d48cc2f808a3e523151e84c54fa2b93a22fe58a
