[INFO] updating cached repository https://github.com/mmajko/knapsack-problem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11cdd693800848f8d688ce82a5444f0e12f56b04
[INFO] testing mmajko/knapsack-problem against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmajko%2Fknapsack-problem" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmajko/knapsack-problem on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmajko/knapsack-problem
[INFO] finished tweaking git repo https://github.com/mmajko/knapsack-problem
[INFO] tweaked toml for git repo https://github.com/mmajko/knapsack-problem written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mmajko/knapsack-problem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d47a2204e33b6ddbb53d86ee4a375a8934cf3164017c6b22e2a484c7b228dd8e
[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" "d47a2204e33b6ddbb53d86ee4a375a8934cf3164017c6b22e2a484c7b228dd8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d47a2204e33b6ddbb53d86ee4a375a8934cf3164017c6b22e2a484c7b228dd8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47a2204e33b6ddbb53d86ee4a375a8934cf3164017c6b22e2a484c7b228dd8e", kill_on_drop: false }`
[INFO] [stdout] d47a2204e33b6ddbb53d86ee4a375a8934cf3164017c6b22e2a484c7b228dd8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 77f3e4b41b7088d1209bb204aec866bf47061a965d96ba5f502d59b3656a14d5
[INFO] running `Command { std: "docker" "start" "-a" "77f3e4b41b7088d1209bb204aec866bf47061a965d96ba5f502d59b3656a14d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling knapsack-problem v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `solvers::recursive`
[INFO] [stdout]  --> src/solvers/dynamic.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use solvers::recursive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KnapItem`, `sum_of_prices`
[INFO] [stdout]  --> src/solvers/recursive.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use parser::{sum_of_prices, Knapsack, KnapItem};
[INFO] [stdout]   |              ^^^^^^^^^^^^^            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `inspect`
[INFO] [stdout]  --> src/genetic/mod.rs:6:48
[INFO] [stdout]   |
[INFO] [stdout] 6 | use self::utils::{odds_are, random_individual, inspect, sort_population};
[INFO] [stdout]   |                                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/solvers/mod.rs:60:72
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let new_items = knap.items.clone().iter().enumerate().filter(|&(i, x)| bits[i])
[INFO] [stdout]    |                                                                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/solvers/mod.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     .map(|(i, x)| *x).collect();
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elitism_count`
[INFO] [stdout]   --> src/genetic/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let elitism_count = 2;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elitism_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/genetic/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     for i in 0..500 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pop_size`
[INFO] [stdout]  --> src/genetic/selectors.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let pop_size = population.len();
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pop_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generation`
[INFO] [stdout]   --> src/genetic/utils.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn inspect<F>(generation: usize, sorted_population: &Vec<Vec<bool>>, fitness_fn: &F) where F: Fn(&Vec<bool>) -> usize {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/reporter.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut stype = String::from(format!("{:?}", solution));
[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: variant is never constructed: `None`
[INFO] [stdout]   --> src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FPTAS25`
[INFO] [stdout]   --> src/parser.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FPTAS25,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FPTAS75`
[INFO] [stdout]   --> src/parser.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     FPTAS75,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `inspect`
[INFO] [stdout]   --> src/genetic/utils.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn inspect<F>(generation: usize, sorted_population: &Vec<Vec<bool>>, fitness_fn: &F) where F: Fn(&Vec<bool>) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "77f3e4b41b7088d1209bb204aec866bf47061a965d96ba5f502d59b3656a14d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f3e4b41b7088d1209bb204aec866bf47061a965d96ba5f502d59b3656a14d5", kill_on_drop: false }`
[INFO] [stdout] 77f3e4b41b7088d1209bb204aec866bf47061a965d96ba5f502d59b3656a14d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8478b6efff57213ca162bd0b026d34abd63385fd70a7be33d2343d33de88a44d
[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" "8478b6efff57213ca162bd0b026d34abd63385fd70a7be33d2343d33de88a44d", kill_on_drop: false }`
[INFO] [stderr]    Compiling knapsack-problem v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `solvers::recursive`
[INFO] [stdout]  --> src/solvers/dynamic.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use solvers::recursive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KnapItem`, `sum_of_prices`
[INFO] [stdout]  --> src/solvers/recursive.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use parser::{sum_of_prices, Knapsack, KnapItem};
[INFO] [stdout]   |              ^^^^^^^^^^^^^            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `inspect`
[INFO] [stdout]  --> src/genetic/mod.rs:6:48
[INFO] [stdout]   |
[INFO] [stdout] 6 | use self::utils::{odds_are, random_individual, inspect, sort_population};
[INFO] [stdout]   |                                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/solvers/mod.rs:60:72
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let new_items = knap.items.clone().iter().enumerate().filter(|&(i, x)| bits[i])
[INFO] [stdout]    |                                                                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/solvers/mod.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     .map(|(i, x)| *x).collect();
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elitism_count`
[INFO] [stdout]   --> src/genetic/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let elitism_count = 2;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elitism_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/genetic/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     for i in 0..500 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pop_size`
[INFO] [stdout]  --> src/genetic/selectors.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let pop_size = population.len();
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pop_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generation`
[INFO] [stdout]   --> src/genetic/utils.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn inspect<F>(generation: usize, sorted_population: &Vec<Vec<bool>>, fitness_fn: &F) where F: Fn(&Vec<bool>) -> usize {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/reporter.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut stype = String::from(format!("{:?}", solution));
[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: variant is never constructed: `None`
[INFO] [stdout]   --> src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FPTAS25`
[INFO] [stdout]   --> src/parser.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FPTAS25,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FPTAS75`
[INFO] [stdout]   --> src/parser.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     FPTAS75,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `inspect`
[INFO] [stdout]   --> src/genetic/utils.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn inspect<F>(generation: usize, sorted_population: &Vec<Vec<bool>>, fitness_fn: &F) where F: Fn(&Vec<bool>) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "8478b6efff57213ca162bd0b026d34abd63385fd70a7be33d2343d33de88a44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8478b6efff57213ca162bd0b026d34abd63385fd70a7be33d2343d33de88a44d", kill_on_drop: false }`
[INFO] [stdout] 8478b6efff57213ca162bd0b026d34abd63385fd70a7be33d2343d33de88a44d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e9bf74cdfa412a785ee9f63a2d17b24e07b25f1695373cd62432fd4637f510f
[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" "4e9bf74cdfa412a785ee9f63a2d17b24e07b25f1695373cd62432fd4637f510f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `solvers::recursive`
[INFO] [stderr]  --> src/solvers/dynamic.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use solvers::recursive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `KnapItem`, `sum_of_prices`
[INFO] [stderr]  --> src/solvers/recursive.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use parser::{sum_of_prices, Knapsack, KnapItem};
[INFO] [stderr]   |              ^^^^^^^^^^^^^            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `inspect`
[INFO] [stderr]  --> src/genetic/mod.rs:6:48
[INFO] [stderr]   |
[INFO] [stderr] 6 | use self::utils::{odds_are, random_individual, inspect, sort_population};
[INFO] [stderr]   |                                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/solvers/mod.rs:60:72
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let new_items = knap.items.clone().iter().enumerate().filter(|&(i, x)| bits[i])
[INFO] [stderr]    |                                                                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/solvers/mod.rs:61:28
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     .map(|(i, x)| *x).collect();
[INFO] [stderr]    |                            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `elitism_count`
[INFO] [stderr]   --> src/genetic/mod.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let elitism_count = 2;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elitism_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/genetic/mod.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     for i in 0..500 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pop_size`
[INFO] [stderr]  --> src/genetic/selectors.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let pop_size = population.len();
[INFO] [stderr]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pop_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generation`
[INFO] [stderr]   --> src/genetic/utils.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn inspect<F>(generation: usize, sorted_population: &Vec<Vec<bool>>, fitness_fn: &F) where F: Fn(&Vec<bool>) -> usize {
[INFO] [stderr]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generation`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/reporter.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut stype = String::from(format!("{:?}", solution));
[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: variant is never constructed: `None`
[INFO] [stderr]   --> src/parser.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FPTAS25`
[INFO] [stderr]   --> src/parser.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     FPTAS25,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FPTAS75`
[INFO] [stderr]   --> src/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     FPTAS75,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `inspect`
[INFO] [stderr]   --> src/genetic/utils.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn inspect<F>(generation: usize, sorted_population: &Vec<Vec<bool>>, fitness_fn: &F) where F: Fn(&Vec<bool>) -> usize {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/knapsack_problem-d2c78c840e3b167d
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e9bf74cdfa412a785ee9f63a2d17b24e07b25f1695373cd62432fd4637f510f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9bf74cdfa412a785ee9f63a2d17b24e07b25f1695373cd62432fd4637f510f", kill_on_drop: false }`
[INFO] [stdout] 4e9bf74cdfa412a785ee9f63a2d17b24e07b25f1695373cd62432fd4637f510f