[INFO] cloning repository https://github.com/PatrykStronski/KnapsackProblem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PatrykStronski/KnapsackProblem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrykStronski%2FKnapsackProblem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrykStronski%2FKnapsackProblem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c941050bad48b4e31df7bc7c3b60cb1df5f8e55a
[INFO] checking PatrykStronski/KnapsackProblem against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrykStronski%2FKnapsackProblem" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PatrykStronski/KnapsackProblem on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PatrykStronski/KnapsackProblem
[INFO] finished tweaking git repo https://github.com/PatrykStronski/KnapsackProblem
[INFO] tweaked toml for git repo https://github.com/PatrykStronski/KnapsackProblem written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PatrykStronski/KnapsackProblem 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "8fda73e0b1ff7d5d10fce868482035761f2b24057ed7f3f86f6aa13ef072092e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fda73e0b1ff7d5d10fce868482035761f2b24057ed7f3f86f6aa13ef072092e", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "5df9a7b8ca7ae68bb1567856fac833c007ddd92388c69e7e14e021e273fb03e9", kill_on_drop: false }`
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[INFO] [stderr]     Checking assignment1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/task1.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/task1.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/task1.rs:78:33
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/task1.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/task1.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/task1.rs:78:33
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_weight`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let max_weight = 19000;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_weight`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_size`
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let max_size = 19000;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `increment` is never read
[INFO] [stdout]   --> src/main.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut increment = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `population_size` is never read
[INFO] [stdout]    --> src/main.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     population_size = 800;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Obj` is never constructed
[INFO] [stdout]  --> src/task1.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Obj {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_to_file` is never used
[INFO] [stdout]   --> src/task1.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn save_to_file(arr: &mut[Obj],n:u32,w:u32,s:u32, out_file: String) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lower_down` is never used
[INFO] [stdout]   --> src/task1.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn lower_down(current: u32, surplus: f32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_smooth` is never used
[INFO] [stdout]   --> src/task1.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn make_smooth(arr: &mut[Obj], surplus: f32, field: String) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate_surplus` is never used
[INFO] [stdout]   --> src/task1.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn evaluate_surplus(arr: &mut[Obj], control_p: u32, property: String) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `smooth_set` is never used
[INFO] [stdout]   --> src/task1.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn smooth_set(arr: &mut[Obj], w: u32, s:u32) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_one` is never used
[INFO] [stdout]   --> src/task1.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate` is never used
[INFO] [stdout]   --> src/task1.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn generate(n: usize, max_weight: u32, max_size: u32, output_file: String) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/knap.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct KnapsackBase {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 12 |     pub max_weight: u32,
[INFO] [stdout] 13 |     pub number: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_weight`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let max_weight = 19000;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_weight`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_size`
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let max_size = 19000;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `increment` is never read
[INFO] [stdout]   --> src/main.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut increment = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `population_size` is never read
[INFO] [stdout]    --> src/main.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     population_size = 800;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Obj` is never constructed
[INFO] [stdout]  --> src/task1.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Obj {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_to_file` is never used
[INFO] [stdout]   --> src/task1.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn save_to_file(arr: &mut[Obj],n:u32,w:u32,s:u32, out_file: String) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lower_down` is never used
[INFO] [stdout]   --> src/task1.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn lower_down(current: u32, surplus: f32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_smooth` is never used
[INFO] [stdout]   --> src/task1.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn make_smooth(arr: &mut[Obj], surplus: f32, field: String) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate_surplus` is never used
[INFO] [stdout]   --> src/task1.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn evaluate_surplus(arr: &mut[Obj], control_p: u32, property: String) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `smooth_set` is never used
[INFO] [stdout]   --> src/task1.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn smooth_set(arr: &mut[Obj], w: u32, s:u32) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_one` is never used
[INFO] [stdout]   --> src/task1.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate` is never used
[INFO] [stdout]   --> src/task1.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn generate(n: usize, max_weight: u32, max_size: u32, output_file: String) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/knap.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct KnapsackBase {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 12 |     pub max_weight: u32,
[INFO] [stdout] 13 |     pub number: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.77s
[INFO] running `Command { std: "docker" "inspect" "5df9a7b8ca7ae68bb1567856fac833c007ddd92388c69e7e14e021e273fb03e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df9a7b8ca7ae68bb1567856fac833c007ddd92388c69e7e14e021e273fb03e9", kill_on_drop: false }`
[INFO] [stdout] 5df9a7b8ca7ae68bb1567856fac833c007ddd92388c69e7e14e021e273fb03e9
[INFO] checking PatrykStronski/KnapsackProblem against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrykStronski%2FKnapsackProblem" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PatrykStronski/KnapsackProblem on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PatrykStronski/KnapsackProblem
[INFO] finished tweaking git repo https://github.com/PatrykStronski/KnapsackProblem
[INFO] tweaked toml for git repo https://github.com/PatrykStronski/KnapsackProblem written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/PatrykStronski/KnapsackProblem 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39006c4977228fb8b930403d8b482df72322bbffebc64aca703bcc53fd6e74e1
[INFO] running `Command { std: "docker" "start" "-a" "39006c4977228fb8b930403d8b482df72322bbffebc64aca703bcc53fd6e74e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39006c4977228fb8b930403d8b482df72322bbffebc64aca703bcc53fd6e74e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39006c4977228fb8b930403d8b482df72322bbffebc64aca703bcc53fd6e74e1", kill_on_drop: false }`
[INFO] [stdout] 39006c4977228fb8b930403d8b482df72322bbffebc64aca703bcc53fd6e74e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3d1e887df547ee2a49f0e4e2e2192d3bffe7f8c4c51d1445a82a4f51cd89d28
[INFO] running `Command { std: "docker" "start" "-a" "a3d1e887df547ee2a49f0e4e2e2192d3bffe7f8c4c51d1445a82a4f51cd89d28", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cmake v0.1.42
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[INFO] [stderr]     Checking freetype v0.4.1
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[INFO] [stderr]     Checking assignment1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/task1.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/task1.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/task1.rs:78:33
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/task1.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/task1.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/task1.rs:78:33
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_weight`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let max_weight = 19000;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_weight`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_size`
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let max_size = 19000;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `increment` is never read
[INFO] [stdout]   --> src/main.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut increment = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `population_size` is never read
[INFO] [stdout]    --> src/main.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     population_size = 800;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Obj` is never constructed
[INFO] [stdout]  --> src/task1.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Obj {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_to_file` is never used
[INFO] [stdout]   --> src/task1.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn save_to_file(arr: &mut[Obj],n:u32,w:u32,s:u32, out_file: String) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lower_down` is never used
[INFO] [stdout]   --> src/task1.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn lower_down(current: u32, surplus: f32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_smooth` is never used
[INFO] [stdout]   --> src/task1.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn make_smooth(arr: &mut[Obj], surplus: f32, field: String) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate_surplus` is never used
[INFO] [stdout]   --> src/task1.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn evaluate_surplus(arr: &mut[Obj], control_p: u32, property: String) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `smooth_set` is never used
[INFO] [stdout]   --> src/task1.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn smooth_set(arr: &mut[Obj], w: u32, s:u32) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_one` is never used
[INFO] [stdout]   --> src/task1.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate` is never used
[INFO] [stdout]   --> src/task1.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn generate(n: usize, max_weight: u32, max_size: u32, output_file: String) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/knap.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct KnapsackBase {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 12 |     pub max_weight: u32,
[INFO] [stdout] 13 |     pub number: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_weight`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let max_weight = 19000;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_weight`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_size`
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let max_size = 19000;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `increment` is never read
[INFO] [stdout]   --> src/main.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut increment = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `population_size` is never read
[INFO] [stdout]    --> src/main.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     population_size = 800;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Obj` is never constructed
[INFO] [stdout]  --> src/task1.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Obj {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_to_file` is never used
[INFO] [stdout]   --> src/task1.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn save_to_file(arr: &mut[Obj],n:u32,w:u32,s:u32, out_file: String) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lower_down` is never used
[INFO] [stdout]   --> src/task1.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn lower_down(current: u32, surplus: f32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_smooth` is never used
[INFO] [stdout]   --> src/task1.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn make_smooth(arr: &mut[Obj], surplus: f32, field: String) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate_surplus` is never used
[INFO] [stdout]   --> src/task1.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn evaluate_surplus(arr: &mut[Obj], control_p: u32, property: String) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `smooth_set` is never used
[INFO] [stdout]   --> src/task1.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn smooth_set(arr: &mut[Obj], w: u32, s:u32) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_one` is never used
[INFO] [stdout]   --> src/task1.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_one(n: u32, w: u32, s:u32) -> Obj {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate` is never used
[INFO] [stdout]   --> src/task1.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn generate(n: usize, max_weight: u32, max_size: u32, output_file: String) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/knap.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct KnapsackBase {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 12 |     pub max_weight: u32,
[INFO] [stdout] 13 |     pub number: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.18s
[INFO] running `Command { std: "docker" "inspect" "a3d1e887df547ee2a49f0e4e2e2192d3bffe7f8c4c51d1445a82a4f51cd89d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3d1e887df547ee2a49f0e4e2e2192d3bffe7f8c4c51d1445a82a4f51cd89d28", kill_on_drop: false }`
[INFO] [stdout] a3d1e887df547ee2a49f0e4e2e2192d3bffe7f8c4c51d1445a82a4f51cd89d28