[INFO] cloning repository https://github.com/KeKsBoTer/disco
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeKsBoTer%2Fdisco'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 565579413b741569ffdd9acdc672757d24ab3ea6
[INFO] checking KeKsBoTer/disco against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeKsBoTer%2Fdisco" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KeKsBoTer/disco on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/KeKsBoTer/disco already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c31939087e40385940ad1cff37b6cfa5f522ce56ee673e118b9b1d0100b1267b
[INFO] running `"docker" "start" "-a" "c31939087e40385940ad1cff37b6cfa5f522ce56ee673e118b9b1d0100b1267b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking tobj v1.0.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking png v0.16.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]     Checking disco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/model.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/model.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/main.rs:152:34
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 .min_by_key(|(p, n)| {
[INFO] [stderr]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     for i in 0..7 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `incoming_normal`
[INFO] [stderr]    --> src/main.rs:142:13
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let incoming_normal = union_staff.iter().last().unwrap().1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incoming_normal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n1`
[INFO] [stderr]    --> src/main.rs:273:57
[INFO] [stderr]     |
[INFO] [stderr] 273 |                 v.iter().enumerate().map(move |(i, (p1, n1))| {
[INFO] [stderr]     |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/main.rs:152:34
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 .min_by_key(|(p, n)| {
[INFO] [stderr]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     for i in 0..7 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `incoming_normal`
[INFO] [stderr]    --> src/main.rs:142:13
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let incoming_normal = union_staff.iter().last().unwrap().1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incoming_normal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n1`
[INFO] [stderr]    --> src/main.rs:273:57
[INFO] [stderr]     |
[INFO] [stderr] 273 |                 v.iter().enumerate().map(move |(i, (p1, n1))| {
[INFO] [stderr]     |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Slice`
[INFO] [stderr]  --> src/model.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type Slice = Vec<Polygon>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load`
[INFO] [stderr]   --> src/model.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn load(file: &str) -> Model {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `slice`
[INFO] [stderr]   --> src/model.rs:64:12
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn slice(&self, y: f32) -> Option<Slice> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_indices`
[INFO] [stderr]   --> src/polygons.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn to_indices(&self, vertices: &mut Vec<Vertex>) -> IndexPolygon {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `union`
[INFO] [stderr]   --> src/polygons.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn union(&self, other: Polygon) -> Vec<Polygon> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `IndexPolygon`
[INFO] [stderr]    --> src/polygons.rs:113:1
[INFO] [stderr]     |
[INFO] [stderr] 113 | pub type IndexPolygon = AbstractPolygon<usize>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_polygon`
[INFO] [stderr]    --> src/polygons.rs:116:12
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn to_polygon(&self, vertices: Vec<Vertex>) -> Polygon {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `join`
[INFO] [stderr]    --> src/polygons.rs:127:12
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn join(&self, l2: IndexPolygon) -> Option<IndexPolygon> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `connect_lines`
[INFO] [stderr]   --> src/main.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn connect_lines(lines: &Vec<Polygon>) -> Vec<Polygon> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main_slice`
[INFO] [stderr]    --> src/main.rs:290:4
[INFO] [stderr]     |
[INFO] [stderr] 290 | fn main_slice() {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_polygon`
[INFO] [stderr]    --> src/main.rs:359:4
[INFO] [stderr]     |
[INFO] [stderr] 359 | fn to_polygon(points: &Vec<Vertex>) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_line`
[INFO] [stderr]    --> src/main.rs:367:4
[INFO] [stderr]     |
[INFO] [stderr] 367 | fn to_line(p: Vertex, v: Normal) -> String {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Slice`
[INFO] [stderr]  --> src/model.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type Slice = Vec<Polygon>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load`
[INFO] [stderr]   --> src/model.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn load(file: &str) -> Model {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `slice`
[INFO] [stderr]   --> src/model.rs:64:12
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn slice(&self, y: f32) -> Option<Slice> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_indices`
[INFO] [stderr]   --> src/polygons.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn to_indices(&self, vertices: &mut Vec<Vertex>) -> IndexPolygon {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `union`
[INFO] [stderr]   --> src/polygons.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn union(&self, other: Polygon) -> Vec<Polygon> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `IndexPolygon`
[INFO] [stderr]    --> src/polygons.rs:113:1
[INFO] [stderr]     |
[INFO] [stderr] 113 | pub type IndexPolygon = AbstractPolygon<usize>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_polygon`
[INFO] [stderr]    --> src/polygons.rs:116:12
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn to_polygon(&self, vertices: Vec<Vertex>) -> Polygon {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `join`
[INFO] [stderr]    --> src/polygons.rs:127:12
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn join(&self, l2: IndexPolygon) -> Option<IndexPolygon> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `connect_lines`
[INFO] [stderr]   --> src/main.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn connect_lines(lines: &Vec<Polygon>) -> Vec<Polygon> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main_slice`
[INFO] [stderr]    --> src/main.rs:290:4
[INFO] [stderr]     |
[INFO] [stderr] 290 | fn main_slice() {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_polygon`
[INFO] [stderr]    --> src/main.rs:359:4
[INFO] [stderr]     |
[INFO] [stderr] 359 | fn to_polygon(points: &Vec<Vertex>) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_line`
[INFO] [stderr]    --> src/main.rs:367:4
[INFO] [stderr]     |
[INFO] [stderr] 367 | fn to_line(p: Vertex, v: Normal) -> String {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.56s
[INFO] running `"docker" "inspect" "c31939087e40385940ad1cff37b6cfa5f522ce56ee673e118b9b1d0100b1267b"`
[INFO] running `"docker" "rm" "-f" "c31939087e40385940ad1cff37b6cfa5f522ce56ee673e118b9b1d0100b1267b"`
[INFO] [stdout] c31939087e40385940ad1cff37b6cfa5f522ce56ee673e118b9b1d0100b1267b