[INFO] cloning repository https://github.com/KeKsBoTer/disco
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KeKsBoTer/disco" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeKsBoTer%2Fdisco", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeKsBoTer%2Fdisco'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 616a3ee688c3436feff299b555f1adb64db13901
[INFO] checking KeKsBoTer/disco against master#ab26b175979ee7b2cb3302dce204b99df96f7efb for pr-157696
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeKsBoTer%2Fdisco" "/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/KeKsBoTer/disco
[INFO] finished tweaking git repo https://github.com/KeKsBoTer/disco
[INFO] tweaked toml for git repo https://github.com/KeKsBoTer/disco written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KeKsBoTer/disco on toolchain ab26b175979ee7b2cb3302dce204b99df96f7efb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KeKsBoTer/disco 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" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "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-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 06c96063ecafc95a8626ae6b7e9d7573d1a0b936810859b730df76dbe38fec3c
[INFO] running `Command { std: "docker" "start" "06c96063ecafc95a8626ae6b7e9d7573d1a0b936810859b730df76dbe38fec3c", 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" "06c96063ecafc95a8626ae6b7e9d7573d1a0b936810859b730df76dbe38fec3c" "/opt/rustwide/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06c96063ecafc95a8626ae6b7e9d7573d1a0b936810859b730df76dbe38fec3c", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "06c96063ecafc95a8626ae6b7e9d7573d1a0b936810859b730df76dbe38fec3c" "/opt/rustwide/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/model.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:285:6
[INFO] [stdout]     |
[INFO] [stdout] 285 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/model.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:285:6
[INFO] [stdout]     |
[INFO] [stdout] 285 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/main.rs:154:34
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 .min_by_key(|(p, n)| {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     for i in 0..8 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n1`
[INFO] [stdout]    --> src/main.rs:291:57
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 v.iter().enumerate().map(move |(i, (p1, n1))| {
[INFO] [stdout]     |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_lines` is never used
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn connect_lines(lines: &Vec<Polygon>) -> Vec<Polygon> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_slice` is never used
[INFO] [stdout]    --> src/main.rs:309:4
[INFO] [stdout]     |
[INFO] [stdout] 309 | fn main_slice() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_polygon` is never used
[INFO] [stdout]    --> src/main.rs:378:4
[INFO] [stdout]     |
[INFO] [stdout] 378 | fn to_polygon(points: &Vec<Vertex>) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_line` is never used
[INFO] [stdout]    --> src/main.rs:386:4
[INFO] [stdout]     |
[INFO] [stdout] 386 | fn to_line(p: Vertex, v: Normal) -> String {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Slice` is never used
[INFO] [stdout]  --> src/model.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Slice = Vec<Polygon>;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Model` is never constructed
[INFO] [stdout]   --> src/model.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Model {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `load` and `slice` are never used
[INFO] [stdout]   --> src/model.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Model {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 21 |     // loads model from file
[INFO] [stdout] 22 |     pub fn load(file: &str) -> Model {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn slice(&self, y: f32) -> Option<Slice> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_indices` and `union` are never used
[INFO] [stdout]   --> src/polygons.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Polygon {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 44 |     pub fn to_indices(&self, vertices: &mut Vec<Vertex>) -> IndexPolygon {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn union(&self, other: Polygon) -> Vec<Polygon> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IndexPolygon` is never used
[INFO] [stdout]    --> src/polygons.rs:113:10
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub type IndexPolygon = AbstractPolygon<usize>;
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_polygon` and `join` are never used
[INFO] [stdout]    --> src/polygons.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl IndexPolygon {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] 116 |     pub fn to_polygon(&self, vertices: Vec<Vertex>) -> Polygon {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn join(&self, l2: IndexPolygon) -> Option<IndexPolygon> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/main.rs:154:34
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 .min_by_key(|(p, n)| {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     for i in 0..8 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n1`
[INFO] [stdout]    --> src/main.rs:291:57
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 v.iter().enumerate().map(move |(i, (p1, n1))| {
[INFO] [stdout]     |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_lines` is never used
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn connect_lines(lines: &Vec<Polygon>) -> Vec<Polygon> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_slice` is never used
[INFO] [stdout]    --> src/main.rs:309:4
[INFO] [stdout]     |
[INFO] [stdout] 309 | fn main_slice() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_polygon` is never used
[INFO] [stdout]    --> src/main.rs:378:4
[INFO] [stdout]     |
[INFO] [stdout] 378 | fn to_polygon(points: &Vec<Vertex>) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_line` is never used
[INFO] [stdout]    --> src/main.rs:386:4
[INFO] [stdout]     |
[INFO] [stdout] 386 | fn to_line(p: Vertex, v: Normal) -> String {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Slice` is never used
[INFO] [stdout]  --> src/model.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Slice = Vec<Polygon>;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Model` is never constructed
[INFO] [stdout]   --> src/model.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Model {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `load` and `slice` are never used
[INFO] [stdout]   --> src/model.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Model {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 21 |     // loads model from file
[INFO] [stdout] 22 |     pub fn load(file: &str) -> Model {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn slice(&self, y: f32) -> Option<Slice> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_indices` and `union` are never used
[INFO] [stdout]   --> src/polygons.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Polygon {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 44 |     pub fn to_indices(&self, vertices: &mut Vec<Vertex>) -> IndexPolygon {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn union(&self, other: Polygon) -> Vec<Polygon> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IndexPolygon` is never used
[INFO] [stdout]    --> src/polygons.rs:113:10
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub type IndexPolygon = AbstractPolygon<usize>;
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_polygon` and `join` are never used
[INFO] [stdout]    --> src/polygons.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl IndexPolygon {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] 116 |     pub fn to_polygon(&self, vertices: Vec<Vertex>) -> Polygon {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn join(&self, l2: IndexPolygon) -> Option<IndexPolygon> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.49s
[INFO] running `Command { std: "docker" "inspect" "06c96063ecafc95a8626ae6b7e9d7573d1a0b936810859b730df76dbe38fec3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c96063ecafc95a8626ae6b7e9d7573d1a0b936810859b730df76dbe38fec3c", kill_on_drop: false }`
[INFO] [stdout] 06c96063ecafc95a8626ae6b7e9d7573d1a0b936810859b730df76dbe38fec3c
