[INFO] cloning 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" "clone" "--bare" "https://github.com/mmajko/knapsack-problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmajko%2Fknapsack-problem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmajko%2Fknapsack-problem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11cdd693800848f8d688ce82a5444f0e12f56b04
[INFO] testing mmajko/knapsack-problem against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmajko%2Fknapsack-problem" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmajko/knapsack-problem on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f45b53ac7bb907baa0b26c75311a75b7019925cc2d31d59caea7745779c1446
[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" "0f45b53ac7bb907baa0b26c75311a75b7019925cc2d31d59caea7745779c1446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f45b53ac7bb907baa0b26c75311a75b7019925cc2d31d59caea7745779c1446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f45b53ac7bb907baa0b26c75311a75b7019925cc2d31d59caea7745779c1446", kill_on_drop: false }`
[INFO] [stdout] 0f45b53ac7bb907baa0b26c75311a75b7019925cc2d31d59caea7745779c1446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fab22e9368d1777d43bee424fc54e75b3d34c7f429827bb59264d72faa939a75
[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" "fab22e9368d1777d43bee424fc54e75b3d34c7f429827bb59264d72faa939a75", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling rand v0.3.18
[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 5.35s
[INFO] running `Command { std: "docker" "inspect" "fab22e9368d1777d43bee424fc54e75b3d34c7f429827bb59264d72faa939a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab22e9368d1777d43bee424fc54e75b3d34c7f429827bb59264d72faa939a75", kill_on_drop: false }`
[INFO] [stdout] fab22e9368d1777d43bee424fc54e75b3d34c7f429827bb59264d72faa939a75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bb1c69e2647bc828ad62f28513216ff052463f70d9df6a4b3b948df1eb4f8e6
[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" "9bb1c69e2647bc828ad62f28513216ff052463f70d9df6a4b3b948df1eb4f8e6", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9bb1c69e2647bc828ad62f28513216ff052463f70d9df6a4b3b948df1eb4f8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb1c69e2647bc828ad62f28513216ff052463f70d9df6a4b3b948df1eb4f8e6", kill_on_drop: false }`
[INFO] [stdout] 9bb1c69e2647bc828ad62f28513216ff052463f70d9df6a4b3b948df1eb4f8e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 290c4770b2fcf03c6191d469dcf212137b68499cebbe4cf757b4ee182763ef5e
[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" "290c4770b2fcf03c6191d469dcf212137b68499cebbe4cf757b4ee182763ef5e", 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: `knapsack-problem` (bin "knapsack-problem" test) generated 14 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knapsack_problem-fe3436dc30882e15)
[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" "290c4770b2fcf03c6191d469dcf212137b68499cebbe4cf757b4ee182763ef5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "290c4770b2fcf03c6191d469dcf212137b68499cebbe4cf757b4ee182763ef5e", kill_on_drop: false }`
[INFO] [stdout] 290c4770b2fcf03c6191d469dcf212137b68499cebbe4cf757b4ee182763ef5e