[INFO] fetching crate cisat 0.2.2...
[INFO] testing cisat-0.2.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate cisat 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cisat 0.2.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-6/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9a8228beec9f4b148c85f9a9f0acbf12d5236e6d985aa5a79c494ce2c41c014
[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" "e9a8228beec9f4b148c85f9a9f0acbf12d5236e6d985aa5a79c494ce2c41c014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9a8228beec9f4b148c85f9a9f0acbf12d5236e6d985aa5a79c494ce2c41c014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a8228beec9f4b148c85f9a9f0acbf12d5236e6d985aa5a79c494ce2c41c014", kill_on_drop: false }`
[INFO] [stdout] e9a8228beec9f4b148c85f9a9f0acbf12d5236e6d985aa5a79c494ce2c41c014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 863e8476c2a763d7799ca3549f0b701d5cd1a2c5508b8bc13dee8e0e88e2f3f6
[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" "863e8476c2a763d7799ca3549f0b701d5cd1a2c5508b8bc13dee8e0e88e2f3f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling number_prefix v0.3.0
[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 quote v1.0.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling trussx v0.1.3
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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 59.33s
[INFO] running `Command { std: "docker" "inspect" "863e8476c2a763d7799ca3549f0b701d5cd1a2c5508b8bc13dee8e0e88e2f3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863e8476c2a763d7799ca3549f0b701d5cd1a2c5508b8bc13dee8e0e88e2f3f6", kill_on_drop: false }`
[INFO] [stdout] 863e8476c2a763d7799ca3549f0b701d5cd1a2c5508b8bc13dee8e0e88e2f3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--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] a47283d714755e812aa2349d11865d4cadfb29f2ec076282e1617d48149edd02
[INFO] running `Command { std: "docker" "start" "-a" "a47283d714755e812aa2349d11865d4cadfb29f2ec076282e1617d48149edd02", 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] [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] [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: `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: 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: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] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "a47283d714755e812aa2349d11865d4cadfb29f2ec076282e1617d48149edd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47283d714755e812aa2349d11865d4cadfb29f2ec076282e1617d48149edd02", kill_on_drop: false }`
[INFO] [stdout] a47283d714755e812aa2349d11865d4cadfb29f2ec076282e1617d48149edd02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", 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] de8fa133214e6d8bcafbbb24cb04f90e1701302f91c23d0b213d03a064136bf0
[INFO] running `Command { std: "docker" "start" "-a" "de8fa133214e6d8bcafbbb24cb04f90e1701302f91c23d0b213d03a064136bf0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `random_gaussian_vector`
[INFO] [stderr]  --> src/problems/ackley.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 |     utilities::randomness::{random_gaussian_vector, random_uniform_vector},
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]    --> src/utilities/parameters.rs:109:38
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn load_from_file(&mut self, file_name: String) {
[INFO] [stderr]     |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `initial_learning_matrix`
[INFO] [stderr]    --> src/utilities/parameters.rs:187:17
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 initial_learning_matrix,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `initial_learning_matrix: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `initial_learning_matrix`
[INFO] [stderr]    --> src/utilities/parameters.rs:194:17
[INFO] [stderr]     |
[INFO] [stderr] 194 |                 initial_learning_matrix,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `initial_learning_matrix: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delta`
[INFO] [stderr]    --> src/abm/agent.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 delta,
[INFO] [stderr]     |                 ^^^^^ help: try ignoring the field: `delta: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `move_index`
[INFO] [stderr]   --> src/problems/structure.rs:28:39
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn apply_move_operator(&mut self, move_index: usize, temperature: f64) {
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_move_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `temperature`
[INFO] [stderr]   --> src/problems/structure.rs:28:58
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn apply_move_operator(&mut self, move_index: usize, temperature: f64) {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temperature`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_gaussian_vector`
[INFO] [stderr]  --> src/utilities/randomness.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub(crate) fn random_gaussian_vector(
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `random_gaussian_vector`
[INFO] [stderr]  --> src/problems/ackley.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 |     utilities::randomness::{random_gaussian_vector, random_uniform_vector},
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]    --> src/utilities/parameters.rs:109:38
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn load_from_file(&mut self, file_name: String) {
[INFO] [stderr]     |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `initial_learning_matrix`
[INFO] [stderr]    --> src/utilities/parameters.rs:187:17
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 initial_learning_matrix,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `initial_learning_matrix: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `initial_learning_matrix`
[INFO] [stderr]    --> src/utilities/parameters.rs:194:17
[INFO] [stderr]     |
[INFO] [stderr] 194 |                 initial_learning_matrix,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `initial_learning_matrix: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/utilities/randomness.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let x = random_gaussian_vector(5, 0.0, 1.0);
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/utilities/randomness.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let x = multinomial_draw(vec![1.0, 2.3, 10.1, 3.1]);
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delta`
[INFO] [stderr]    --> src/abm/agent.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 delta,
[INFO] [stderr]     |                 ^^^^^ help: try ignoring the field: `delta: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `move_index`
[INFO] [stderr]   --> src/problems/structure.rs:28:39
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn apply_move_operator(&mut self, move_index: usize, temperature: f64) {
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_move_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `temperature`
[INFO] [stderr]   --> src/problems/structure.rs:28:58
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn apply_move_operator(&mut self, move_index: usize, temperature: f64) {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temperature`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:131:17
[INFO] [stderr]     |
[INFO] [stderr] 131 |             let mut cisat = Cohort::<cisat::problems::Ackley>::new(params);
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let mut cisat = Cohort::<cisat::problems::Structure>::new(params);
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `move_index`
[INFO] [stderr]   --> examples/custom_implementation.rs:16:39
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn apply_move_operator(&mut self, move_index: usize, temperature: f64) {
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_move_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `temperature`
[INFO] [stderr]   --> examples/custom_implementation.rs:16:58
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn apply_move_operator(&mut self, move_index: usize, temperature: f64) {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temperature`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]   --> examples/custom_implementation.rs:28:18
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn sub(self, rhs: Self) -> Self::Output {
[INFO] [stderr]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> examples/custom_implementation.rs:34:18
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn eq(&self, other: &Self) -> bool {
[INFO] [stderr]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> examples/custom_implementation.rs:40:27
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> examples/custom_implementation.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn cmp(&self, other: &Self) -> Ordering {
[INFO] [stderr]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> examples/custom_implementation.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn new(id: usize, parameters: Parameters) -> Self {
[INFO] [stderr]    |            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parameters`
[INFO] [stderr]   --> examples/custom_implementation.rs:59:23
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn new(id: usize, parameters: Parameters) -> Self {
[INFO] [stderr]    |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameters`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `solutions`
[INFO] [stderr]   --> examples/custom_implementation.rs:75:31
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn communicate(&mut self, solutions: Vec<CustomProblem>) {
[INFO] [stderr]    |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solutions`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parameters`
[INFO] [stderr]   --> examples/custom_implementation.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn new(parameters: Parameters) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameters`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `current_solution`
[INFO] [stderr]   --> examples/custom_implementation.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     current_solution: CustomProblem,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `best_solution_so_far`
[INFO] [stderr]   --> examples/custom_implementation.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     best_solution_so_far: CustomProblem,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cisat-7e17c4506016555a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cisat-04bbf34db7d2df20)
[INFO] [stdout] test utilities::randomness::random_tests::test_vector_generation ... ok
[INFO] [stdout] test utilities::randomness::random_tests::test_multinomial_draw ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cisat
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/abm/agent.rs - abm::agent (line 2) ... ok
[INFO] [stdout] test src/abm/cohort.rs - abm::cohort::Cohort (line 16) ... ok
[INFO] [stdout] test src/abm/cohort.rs - abm::cohort::Cohort (line 34) ... ok
[INFO] [stdout] test src/abm/cohort.rs - abm::cohort::Cohort (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de8fa133214e6d8bcafbbb24cb04f90e1701302f91c23d0b213d03a064136bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8fa133214e6d8bcafbbb24cb04f90e1701302f91c23d0b213d03a064136bf0", kill_on_drop: false }`
[INFO] [stdout] de8fa133214e6d8bcafbbb24cb04f90e1701302f91c23d0b213d03a064136bf0
