[INFO] fetching crate cisat 0.2.2...
[INFO] building cisat-0.2.2 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate cisat 0.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cisat 0.2.2 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cisat 0.2.2
[INFO] finished tweaking crates.io crate cisat 0.2.2
[INFO] tweaked toml for crates.io crate cisat 0.2.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate cisat 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ea6d9a345f6df2b7d10f7570a2012441f25f5a1ded82981146cb04ba98264c6
[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" "1ea6d9a345f6df2b7d10f7570a2012441f25f5a1ded82981146cb04ba98264c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ea6d9a345f6df2b7d10f7570a2012441f25f5a1ded82981146cb04ba98264c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea6d9a345f6df2b7d10f7570a2012441f25f5a1ded82981146cb04ba98264c6", kill_on_drop: false }`
[INFO] [stdout] 1ea6d9a345f6df2b7d10f7570a2012441f25f5a1ded82981146cb04ba98264c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 050547dc4de015f080ea5a94127186c5d86a7213222045af96842a8ad7ffa6cc
[INFO] running `Command { std: "docker" "start" "-a" "050547dc4de015f080ea5a94127186c5d86a7213222045af96842a8ad7ffa6cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling structural-shapes v0.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling trussx v0.1.3
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling cisat v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `random_gaussian_vector`
[INFO] [stdout]  --> src/problems/ackley.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 |     utilities::randomness::{random_gaussian_vector, random_uniform_vector},
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/utilities/parameters.rs:109:38
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn load_from_file(&mut self, file_name: String) {
[INFO] [stdout]     |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `initial_learning_matrix`
[INFO] [stdout]    --> src/utilities/parameters.rs:187:17
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 initial_learning_matrix,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `initial_learning_matrix: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `initial_learning_matrix`
[INFO] [stdout]    --> src/utilities/parameters.rs:194:17
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 initial_learning_matrix,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `initial_learning_matrix: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]    --> src/abm/agent.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 delta,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `delta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `move_index`
[INFO] [stdout]   --> src/problems/structure.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn apply_move_operator(&mut self, move_index: usize, temperature: f64) {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_move_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temperature`
[INFO] [stdout]   --> src/problems/structure.rs:28:58
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn apply_move_operator(&mut self, move_index: usize, temperature: f64) {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temperature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_gaussian_vector`
[INFO] [stdout]  --> src/utilities/randomness.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) fn random_gaussian_vector(
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |             let mut cisat = Cohort::<cisat::problems::Ackley>::new(params);
[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]    --> src/main.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let mut cisat = Cohort::<cisat::problems::Structure>::new(params);
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.89s
[INFO] running `Command { std: "docker" "inspect" "050547dc4de015f080ea5a94127186c5d86a7213222045af96842a8ad7ffa6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050547dc4de015f080ea5a94127186c5d86a7213222045af96842a8ad7ffa6cc", kill_on_drop: false }`
[INFO] [stdout] 050547dc4de015f080ea5a94127186c5d86a7213222045af96842a8ad7ffa6cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b835a3c627efd279027a41c36011b021a2b5f9597698a7b30fd20460144cba3
[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" "6b835a3c627efd279027a41c36011b021a2b5f9597698a7b30fd20460144cba3", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `random_gaussian_vector`
[INFO] [stdout]  --> src/problems/ackley.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 |     utilities::randomness::{random_gaussian_vector, random_uniform_vector},
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/utilities/parameters.rs:109:38
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn load_from_file(&mut self, file_name: String) {
[INFO] [stdout]     |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `initial_learning_matrix`
[INFO] [stdout]    --> src/utilities/parameters.rs:187:17
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 initial_learning_matrix,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `initial_learning_matrix: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `initial_learning_matrix`
[INFO] [stdout]    --> src/utilities/parameters.rs:194:17
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 initial_learning_matrix,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `initial_learning_matrix: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cisat v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]    --> src/abm/agent.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 delta,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `delta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `move_index`
[INFO] [stdout]   --> src/problems/structure.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn apply_move_operator(&mut self, move_index: usize, temperature: f64) {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_move_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temperature`
[INFO] [stdout]   --> src/problems/structure.rs:28:58
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn apply_move_operator(&mut self, move_index: usize, temperature: f64) {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temperature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_gaussian_vector`
[INFO] [stdout]  --> src/utilities/randomness.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) fn random_gaussian_vector(
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_gaussian_vector`
[INFO] [stdout]  --> src/problems/ackley.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 |     utilities::randomness::{random_gaussian_vector, random_uniform_vector},
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `move_index`
[INFO] [stdout]   --> examples/custom_implementation.rs:16:39
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn apply_move_operator(&mut self, move_index: usize, temperature: f64) {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_move_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temperature`
[INFO] [stdout]   --> examples/custom_implementation.rs:16:58
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn apply_move_operator(&mut self, move_index: usize, temperature: f64) {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temperature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> examples/custom_implementation.rs:28:18
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn sub(self, rhs: Self) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> examples/custom_implementation.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> examples/custom_implementation.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> examples/custom_implementation.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn cmp(&self, other: &Self) -> Ordering {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> examples/custom_implementation.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn new(id: usize, parameters: Parameters) -> Self {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parameters`
[INFO] [stdout]   --> examples/custom_implementation.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn new(id: usize, parameters: Parameters) -> Self {
[INFO] [stdout]    |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solutions`
[INFO] [stdout]   --> examples/custom_implementation.rs:75:31
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn communicate(&mut self, solutions: Vec<CustomProblem>) {
[INFO] [stdout]    |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solutions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parameters`
[INFO] [stdout]   --> examples/custom_implementation.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn new(parameters: Parameters) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `current_solution`
[INFO] [stdout]   --> examples/custom_implementation.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     current_solution: CustomProblem,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `best_solution_so_far`
[INFO] [stdout]   --> examples/custom_implementation.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     best_solution_so_far: CustomProblem,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/utilities/parameters.rs:109:38
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn load_from_file(&mut self, file_name: String) {
[INFO] [stdout]     |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `initial_learning_matrix`
[INFO] [stdout]    --> src/utilities/parameters.rs:187:17
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 initial_learning_matrix,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `initial_learning_matrix: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `initial_learning_matrix`
[INFO] [stdout]    --> src/utilities/parameters.rs:194:17
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 initial_learning_matrix,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `initial_learning_matrix: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/utilities/randomness.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let x = random_gaussian_vector(5, 0.0, 1.0);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/utilities/randomness.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let x = multinomial_draw(vec![1.0, 2.3, 10.1, 3.1]);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]    --> src/abm/agent.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 delta,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `delta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `move_index`
[INFO] [stdout]   --> src/problems/structure.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn apply_move_operator(&mut self, move_index: usize, temperature: f64) {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_move_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |             let mut cisat = Cohort::<cisat::problems::Ackley>::new(params);
[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: `temperature`
[INFO] [stdout]   --> src/problems/structure.rs:28:58
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn apply_move_operator(&mut self, move_index: usize, temperature: f64) {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temperature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let mut cisat = Cohort::<cisat::problems::Structure>::new(params);
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b835a3c627efd279027a41c36011b021a2b5f9597698a7b30fd20460144cba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b835a3c627efd279027a41c36011b021a2b5f9597698a7b30fd20460144cba3", kill_on_drop: false }`
[INFO] [stdout] 6b835a3c627efd279027a41c36011b021a2b5f9597698a7b30fd20460144cba3
