[INFO] fetching crate cisat 0.2.2...
[INFO] checking cisat-0.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cisat 0.2.2 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cisat 0.2.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cisat 0.2.2 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14d41e77476d45e5714907b5838af83fdfa353be670485bd6a6f8956c1d00baa
[INFO] running `Command { std: "docker" "start" "-a" "14d41e77476d45e5714907b5838af83fdfa353be670485bd6a6f8956c1d00baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14d41e77476d45e5714907b5838af83fdfa353be670485bd6a6f8956c1d00baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d41e77476d45e5714907b5838af83fdfa353be670485bd6a6f8956c1d00baa", kill_on_drop: false }`
[INFO] [stdout] 14d41e77476d45e5714907b5838af83fdfa353be670485bd6a6f8956c1d00baa
[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=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0db0aef2d0a2d442e057821b5b887b5ba7669006dff8f68f816cb3a09c678fa9
[INFO] running `Command { std: "docker" "start" "-a" "0db0aef2d0a2d442e057821b5b887b5ba7669006dff8f68f816cb3a09c678fa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking indexmap v1.6.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking rand v0.8.3
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[INFO] [stderr]     Checking either v1.6.1
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[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking rand_distr v0.4.0
[INFO] [stderr]     Checking trussx v0.1.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking 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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_gaussian_vector` is never used
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `last_operation` and `current_solution_quality` are never read
[INFO] [stdout]   --> src/abm/agent.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Agent<S: Solution> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     last_operation: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     current_solution_quality: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Agent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `truss` and `objective_function_value` are never read
[INFO] [stdout]   --> src/problems/structure.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Structure {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout]  9 |     /// Thie contains the fundamental truss information
[INFO] [stdout] 10 |     truss: Truss,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     objective_function_value: Vec<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Structure` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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: fields `last_operation` and `current_solution_quality` are never read
[INFO] [stdout]   --> src/abm/agent.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Agent<S: Solution> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     last_operation: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     current_solution_quality: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Agent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `truss` and `objective_function_value` are never read
[INFO] [stdout]   --> src/problems/structure.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Structure {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout]  9 |     /// Thie contains the fundamental truss information
[INFO] [stdout] 10 |     truss: Truss,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     objective_function_value: Vec<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Structure` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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)]` (part of `#[warn(unused)]`) 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: fields `current_solution` and `best_solution_so_far` are never read
[INFO] [stdout]   --> examples/custom_implementation.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct CustomAgent {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 54 |     current_solution: CustomProblem,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 55 |     best_solution_so_far: CustomProblem,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (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: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)]` (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: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: field `verbose` is never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Cli {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     verbose: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cli` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// The problem to simulate solving (Ackley or Structure)
[INFO] [stdout] 23 | |     #[structopt(short = "P", long)]
[INFO] [stdout] 24 | |     problem: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     /// The temperature schedule to use
[INFO] [stdout] 32 | |     #[structopt(short = "S", long, default_value = "Geometric")]
[INFO] [stdout] 33 | |     schedule: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     /// The operational learing style to use (Multinomial, Markov, HiddenMarkov, or None)
[INFO] [stdout] 46 | |     #[structopt(short = "L", long, default_value = "Markov")]
[INFO] [stdout] 47 | |     pub learning: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cisat` (bin "cisat") due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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)]` (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: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: field `verbose` is never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Cli {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     verbose: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cli` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// The problem to simulate solving (Ackley or Structure)
[INFO] [stdout] 23 | |     #[structopt(short = "P", long)]
[INFO] [stdout] 24 | |     problem: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     /// The temperature schedule to use
[INFO] [stdout] 32 | |     #[structopt(short = "S", long, default_value = "Geometric")]
[INFO] [stdout] 33 | |     schedule: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     /// The operational learing style to use (Multinomial, Markov, HiddenMarkov, or None)
[INFO] [stdout] 46 | |     #[structopt(short = "L", long, default_value = "Markov")]
[INFO] [stdout] 47 | |     pub learning: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cisat` (bin "cisat" test) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0db0aef2d0a2d442e057821b5b887b5ba7669006dff8f68f816cb3a09c678fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db0aef2d0a2d442e057821b5b887b5ba7669006dff8f68f816cb3a09c678fa9", kill_on_drop: false }`
[INFO] [stdout] 0db0aef2d0a2d442e057821b5b887b5ba7669006dff8f68f816cb3a09c678fa9
