[INFO] cloning repository https://github.com/gkoundry/GP_backprop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gkoundry/GP_backprop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgkoundry%2FGP_backprop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgkoundry%2FGP_backprop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5abc91f91bf9cfa151b5af9d124d8334b091076c
[INFO] testing gkoundry/GP_backprop against 1.99.0-beta.8 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgkoundry%2FGP_backprop" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gkoundry/GP_backprop
[INFO] finished tweaking git repo https://github.com/gkoundry/GP_backprop
[INFO] tweaked toml for git repo https://github.com/gkoundry/GP_backprop written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gkoundry/GP_backprop on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gkoundry/GP_backprop 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v2.9.1
[INFO] [stderr]   Downloaded getrandom v0.3.3
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[INFO] [stderr]   Downloaded portable-atomic v1.11.1
[INFO] [stderr]   Downloaded pyo3 v0.25.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d63c0023dec4633b66b4c9242c41d7253df62de68d84a374b282dc3238d321dd
[INFO] running `Command { std: "docker" "start" "d63c0023dec4633b66b4c9242c41d7253df62de68d84a374b282dc3238d321dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d63c0023dec4633b66b4c9242c41d7253df62de68d84a374b282dc3238d321dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d63c0023dec4633b66b4c9242c41d7253df62de68d84a374b282dc3238d321dd" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d63c0023dec4633b66b4c9242c41d7253df62de68d84a374b282dc3238d321dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d63c0023dec4633b66b4c9242c41d7253df62de68d84a374b282dc3238d321dd" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling unindent v0.2.4
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling pyo3-build-config v0.25.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.25.1
[INFO] [stderr]    Compiling pyo3-ffi v0.25.1
[INFO] [stderr]    Compiling pyo3 v0.25.1
[INFO] [stderr]    Compiling numpy v0.25.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling pyo3-macros v0.25.1
[INFO] [stderr]    Compiling ga_bp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]   --> src/library.rs:13:34
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn get_best_match(&self, dataset: &Dataset, targets: Vec<f64>) -> Program {
[INFO] [stdout]    |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `targets`
[INFO] [stdout]   --> src/library.rs:13:53
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn get_best_match(&self, dataset: &Dataset, targets: Vec<f64>) -> Program {
[INFO] [stdout]    |                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_targets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/program.rs:187:33
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn backpropagate(&self, index: usize, dataset: &Dataset) -> Vec<f64> {
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]    --> src/program.rs:187:47
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn backpropagate(&self, index: usize, dataset: &Dataset) -> Vec<f64> {
[INFO] [stdout]     |                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]    --> src/program.rs:191:33
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn compute_score(&self, dataset: &Dataset) -> f64 {
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_index`
[INFO] [stdout]    --> src/program.rs:366:32
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn replace_node(&self, node_index: usize, new_subprogram: Program) -> Program {
[INFO] [stdout]     |                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_subprogram`
[INFO] [stdout]    --> src/program.rs:366:51
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn replace_node(&self, node_index: usize, new_subprogram: Program) -> Program {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_subprogram`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `programs` is never read
[INFO] [stdout]  --> src/library.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ProgramLibrary {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 5 |     pub programs: Vec<Program>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_subtree_depth` is never read
[INFO] [stdout]  --> src/population.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PopulationParams {
[INFO] [stdout]   |            ---------------- field in this struct
[INFO] [stdout] 8 |     pub max_tree_depth: u32,
[INFO] [stdout] 9 |     pub max_subtree_depth: u32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `operation`, `left_child`, and `right_child` are never read
[INFO] [stdout]    --> src/program.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct PyNode {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 147 |     operation: PyOperation,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 148 |     left_child: Option<usize>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 149 |     right_child: Option<usize>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PyNode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.76s
[INFO] running `Command { std: "docker" "inspect" "d63c0023dec4633b66b4c9242c41d7253df62de68d84a374b282dc3238d321dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d63c0023dec4633b66b4c9242c41d7253df62de68d84a374b282dc3238d321dd" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling ga_bp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]   --> src/library.rs:13:34
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn get_best_match(&self, dataset: &Dataset, targets: Vec<f64>) -> Program {
[INFO] [stdout]    |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `targets`
[INFO] [stdout]   --> src/library.rs:13:53
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn get_best_match(&self, dataset: &Dataset, targets: Vec<f64>) -> Program {
[INFO] [stdout]    |                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_targets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/program.rs:187:33
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn backpropagate(&self, index: usize, dataset: &Dataset) -> Vec<f64> {
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]    --> src/program.rs:187:47
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn backpropagate(&self, index: usize, dataset: &Dataset) -> Vec<f64> {
[INFO] [stdout]     |                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]    --> src/program.rs:191:33
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn compute_score(&self, dataset: &Dataset) -> f64 {
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_index`
[INFO] [stdout]    --> src/program.rs:366:32
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn replace_node(&self, node_index: usize, new_subprogram: Program) -> Program {
[INFO] [stdout]     |                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_subprogram`
[INFO] [stdout]    --> src/program.rs:366:51
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn replace_node(&self, node_index: usize, new_subprogram: Program) -> Program {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_subprogram`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `programs` is never read
[INFO] [stdout]  --> src/library.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ProgramLibrary {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 5 |     pub programs: Vec<Program>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_subtree_depth` is never read
[INFO] [stdout]  --> src/population.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PopulationParams {
[INFO] [stdout]   |            ---------------- field in this struct
[INFO] [stdout] 8 |     pub max_tree_depth: u32,
[INFO] [stdout] 9 |     pub max_subtree_depth: u32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `operation`, `left_child`, and `right_child` are never read
[INFO] [stdout]    --> src/program.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct PyNode {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 147 |     operation: PyOperation,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 148 |     left_child: Option<usize>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 149 |     right_child: Option<usize>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PyNode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "d63c0023dec4633b66b4c9242c41d7253df62de68d84a374b282dc3238d321dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d63c0023dec4633b66b4c9242c41d7253df62de68d84a374b282dc3238d321dd" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `dataset`
[INFO] [stderr]   --> src/library.rs:13:34
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn get_best_match(&self, dataset: &Dataset, targets: Vec<f64>) -> Program {
[INFO] [stderr]    |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `targets`
[INFO] [stderr]   --> src/library.rs:13:53
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn get_best_match(&self, dataset: &Dataset, targets: Vec<f64>) -> Program {
[INFO] [stderr]    |                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_targets`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/program.rs:187:33
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub fn backpropagate(&self, index: usize, dataset: &Dataset) -> Vec<f64> {
[INFO] [stderr]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dataset`
[INFO] [stderr]    --> src/program.rs:187:47
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub fn backpropagate(&self, index: usize, dataset: &Dataset) -> Vec<f64> {
[INFO] [stderr]     |                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dataset`
[INFO] [stderr]    --> src/program.rs:191:33
[INFO] [stderr]     |
[INFO] [stderr] 191 |     pub fn compute_score(&self, dataset: &Dataset) -> f64 {
[INFO] [stderr]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_index`
[INFO] [stderr]    --> src/program.rs:366:32
[INFO] [stderr]     |
[INFO] [stderr] 366 |     pub fn replace_node(&self, node_index: usize, new_subprogram: Program) -> Program {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_subprogram`
[INFO] [stderr]    --> src/program.rs:366:51
[INFO] [stderr]     |
[INFO] [stderr] 366 |     pub fn replace_node(&self, node_index: usize, new_subprogram: Program) -> Program {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_subprogram`
[INFO] [stderr] 
[INFO] [stderr] warning: field `programs` is never read
[INFO] [stderr]  --> src/library.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct ProgramLibrary {
[INFO] [stderr]   |            -------------- field in this struct
[INFO] [stderr] 5 |     pub programs: Vec<Program>,
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `max_subtree_depth` is never read
[INFO] [stderr]  --> src/population.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct PopulationParams {
[INFO] [stderr]   |            ---------------- field in this struct
[INFO] [stderr] 8 |     pub max_tree_depth: u32,
[INFO] [stderr] 9 |     pub max_subtree_depth: u32,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `operation`, `left_child`, and `right_child` are never read
[INFO] [stderr]    --> src/program.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 146 | pub struct PyNode {
[INFO] [stderr]     |            ------ fields in this struct
[INFO] [stderr] 147 |     operation: PyOperation,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 148 |     left_child: Option<usize>,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 149 |     right_child: Option<usize>,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `PyNode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `ga_bp` (lib test) generated 10 warnings (run `cargo fix --lib -p ga_bp --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ga_bp-789b96677ea8fa7a)
[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] running `Command { std: "docker" "inspect" "d63c0023dec4633b66b4c9242c41d7253df62de68d84a374b282dc3238d321dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d63c0023dec4633b66b4c9242c41d7253df62de68d84a374b282dc3238d321dd", kill_on_drop: false }`
[INFO] [stdout] d63c0023dec4633b66b4c9242c41d7253df62de68d84a374b282dc3238d321dd
