[INFO] updating cached repository https://github.com/rkanati/voxel
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82a99f3659b2f386e40e9fda823a044ada52659d
[INFO] testing rkanati/voxel against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkanati%2Fvoxel" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rkanati/voxel on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rkanati/voxel
[INFO] finished tweaking git repo https://github.com/rkanati/voxel
[INFO] tweaked toml for git repo https://github.com/rkanati/voxel written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rkanati/voxel already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 886b0a1c69b256b760e76977c3d71b73cafefd48810936a19e58aa7eb75f7545
[INFO] running `"docker" "start" "-a" "886b0a1c69b256b760e76977c3d71b73cafefd48810936a19e58aa7eb75f7545"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling instant v0.1.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling rgb v0.8.16
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling noise v0.6.0
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling rk-voxel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling alga v0.9.2
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling image v0.22.4
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling nalgebra v0.19.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling smithay-client-toolkit v0.6.4
[INFO] [stderr]    Compiling winit v0.20.0
[INFO] [stderr]    Compiling glutin v0.22.0
[INFO] [stderr] warning: unused imports: `Array`, `block::Block`, `self`
[INFO] [stderr]  --> src/chunk_store.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |         block::Block,
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 5 |         chunk::{self, Array, Chunk, Coords},
[INFO] [stderr]   |                 ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ptr::null as nullptr`
[INFO] [stderr]   --> src/mesher.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         ptr::null as nullptr,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `volume`
[INFO] [stderr]    --> src/array3d.rs:247:12
[INFO] [stderr]     |
[INFO] [stderr] 247 |     pub fn volume(&self) -> usize {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_with_dims`
[INFO] [stderr]    --> src/array3d.rs:337:12
[INFO] [stderr]     |
[INFO] [stderr] 337 |     pub fn new_with_dims(dims: V3usize, elements: Vec<T>) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SliceMut`
[INFO] [stderr]  --> src/block/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type SliceMut<'a> = array3d::ArraySliceMut<'a, Block>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `VOLUME`
[INFO] [stderr]   --> src/chunk.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub const VOLUME:   i32 = DIM * DIM * DIM;  // 512    4k   32k  256k  (Blocks, not bytes)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unwrap`
[INFO] [stderr]   --> src/chunk.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn unwrap(self) -> V3i32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Slice`
[INFO] [stderr]    --> src/chunk.rs:127:1
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub type Slice<'a> = array3d::ArraySlice<'a, Block>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_empty`
[INFO] [stderr]    --> src/chunk.rs:145:12
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unwrap`
[INFO] [stderr]   --> src/chunk_cache.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn unwrap(self) -> V {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_and_acquire`
[INFO] [stderr]   --> src/chunk_cache.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn insert_and_acquire(&mut self, key: K) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `remove`
[INFO] [stderr]   --> src/chunk_cache.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn remove<Q> (&mut self, key: &Q) -> V
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `borrowed`
[INFO] [stderr]   --> src/chunk_cache.rs:85:12
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn borrowed(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sync`
[INFO] [stderr]   --> src/chunk_source.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn sync(&mut self) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `flush`
[INFO] [stderr]   --> src/chunk_source.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn flush(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EPSILON`
[INFO] [stderr]  --> src/math/linear.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const EPSILON: f32 = 0.00001;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/math/linear.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn new(source: P3, stride: V3) -> Ray {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_from_points`
[INFO] [stderr]    --> src/math/linear.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn new_from_points(a: P3, b: P3) -> Segment {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reverse`
[INFO] [stderr]    --> src/math/linear.rs:137:12
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn reverse(self) -> Segment {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/math/planar.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new(normal_to_centre: V3) -> Plane {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_point_and_normal`
[INFO] [stderr]   --> src/math/planar.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn from_point_and_normal(point: P3, normal: V3) -> Plane {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_dims_unchecked`
[INFO] [stderr]   --> src/math/box3.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn with_dims_unchecked(mins: P3, dims: V3) -> Box3 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unwrap`
[INFO] [stderr]   --> src/math/mod.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn unwrap(self) -> T { self.0 }
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `P3u8`
[INFO] [stderr]   --> src/math/mod.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub type P3u8 = P3<u8>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `P3usize`
[INFO] [stderr]   --> src/math/mod.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub type P3usize = P3<usize>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `M4`
[INFO] [stderr]   --> src/math/mod.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub type M4<T = f32> = na::Matrix4<T>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Translation`
[INFO] [stderr]   --> src/math/mod.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub type Translation<T = f32> = na::Translation3<T>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Quaternion`
[INFO] [stderr]   --> src/math/mod.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub type Quaternion<T = f32> = na::Quaternion<T>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Versor`
[INFO] [stderr]   --> src/math/mod.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub type Versor<T = f32> = na::UnitQuaternion<T>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `relative_to_absolute`
[INFO] [stderr]   --> src/stage.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn relative_to_absolute(&self, rel: V3i32) -> chunk::Coords {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `absolute_to_relative`
[INFO] [stderr]   --> src/stage.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn absolute_to_relative(&self, abs: chunk::Coords) -> V3i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_relative`
[INFO] [stderr]    --> src/stage.rs:121:12
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn insert_relative(&mut self, rel: V3i32, content: T) -> Option<T> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load`
[INFO] [stderr]   --> src/texture.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn load(path: impl AsRef<std::path::Path>, levels: u32) -> Result<Texture2D, Error> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/texture.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |         dst.save("atlas-pack.png");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 34 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 5m 17s
[INFO] running `"docker" "inspect" "886b0a1c69b256b760e76977c3d71b73cafefd48810936a19e58aa7eb75f7545"`
[INFO] running `"docker" "rm" "-f" "886b0a1c69b256b760e76977c3d71b73cafefd48810936a19e58aa7eb75f7545"`
[INFO] [stdout] 886b0a1c69b256b760e76977c3d71b73cafefd48810936a19e58aa7eb75f7545
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] bc8bbb294084b06e8370d0aa35f3ba4a5d9592f13554f5d76090b6570e763891
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bc8bbb294084b06e8370d0aa35f3ba4a5d9592f13554f5d76090b6570e763891"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rk-voxel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Array`, `block::Block`, `self`
[INFO] [stderr]  --> src/chunk_store.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |         block::Block,
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 5 |         chunk::{self, Array, Chunk, Coords},
[INFO] [stderr]   |                 ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ptr::null as nullptr`
[INFO] [stderr]   --> src/mesher.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         ptr::null as nullptr,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_with_dims`
[INFO] [stderr]    --> src/array3d.rs:337:12
[INFO] [stderr]     |
[INFO] [stderr] 337 |     pub fn new_with_dims(dims: V3usize, elements: Vec<T>) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SliceMut`
[INFO] [stderr]  --> src/block/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type SliceMut<'a> = array3d::ArraySliceMut<'a, Block>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `VOLUME`
[INFO] [stderr]   --> src/chunk.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub const VOLUME:   i32 = DIM * DIM * DIM;  // 512    4k   32k  256k  (Blocks, not bytes)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unwrap`
[INFO] [stderr]   --> src/chunk.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn unwrap(self) -> V3i32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Slice`
[INFO] [stderr]    --> src/chunk.rs:127:1
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub type Slice<'a> = array3d::ArraySlice<'a, Block>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_empty`
[INFO] [stderr]    --> src/chunk.rs:145:12
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unwrap`
[INFO] [stderr]   --> src/chunk_cache.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn unwrap(self) -> V {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_and_acquire`
[INFO] [stderr]   --> src/chunk_cache.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn insert_and_acquire(&mut self, key: K) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `remove`
[INFO] [stderr]   --> src/chunk_cache.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn remove<Q> (&mut self, key: &Q) -> V
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `borrowed`
[INFO] [stderr]   --> src/chunk_cache.rs:85:12
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn borrowed(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sync`
[INFO] [stderr]   --> src/chunk_source.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn sync(&mut self) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `flush`
[INFO] [stderr]   --> src/chunk_source.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn flush(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EPSILON`
[INFO] [stderr]  --> src/math/linear.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const EPSILON: f32 = 0.00001;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/math/linear.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn new(source: P3, stride: V3) -> Ray {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_from_points`
[INFO] [stderr]    --> src/math/linear.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn new_from_points(a: P3, b: P3) -> Segment {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reverse`
[INFO] [stderr]    --> src/math/linear.rs:137:12
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn reverse(self) -> Segment {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/math/planar.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new(normal_to_centre: V3) -> Plane {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_point_and_normal`
[INFO] [stderr]   --> src/math/planar.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn from_point_and_normal(point: P3, normal: V3) -> Plane {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_dims_unchecked`
[INFO] [stderr]   --> src/math/box3.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn with_dims_unchecked(mins: P3, dims: V3) -> Box3 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unwrap`
[INFO] [stderr]   --> src/math/mod.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn unwrap(self) -> T { self.0 }
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `P3u8`
[INFO] [stderr]   --> src/math/mod.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub type P3u8 = P3<u8>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `P3usize`
[INFO] [stderr]   --> src/math/mod.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub type P3usize = P3<usize>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `M4`
[INFO] [stderr]   --> src/math/mod.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub type M4<T = f32> = na::Matrix4<T>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Translation`
[INFO] [stderr]   --> src/math/mod.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub type Translation<T = f32> = na::Translation3<T>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Quaternion`
[INFO] [stderr]   --> src/math/mod.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub type Quaternion<T = f32> = na::Quaternion<T>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Versor`
[INFO] [stderr]   --> src/math/mod.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub type Versor<T = f32> = na::UnitQuaternion<T>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `relative_to_absolute`
[INFO] [stderr]   --> src/stage.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn relative_to_absolute(&self, rel: V3i32) -> chunk::Coords {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `absolute_to_relative`
[INFO] [stderr]   --> src/stage.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn absolute_to_relative(&self, abs: chunk::Coords) -> V3i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_relative`
[INFO] [stderr]    --> src/stage.rs:121:12
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn insert_relative(&mut self, rel: V3i32, content: T) -> Option<T> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load`
[INFO] [stderr]   --> src/texture.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn load(path: impl AsRef<std::path::Path>, levels: u32) -> Result<Texture2D, Error> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/texture.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |         dst.save("atlas-pack.png");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 10.10s
[INFO] running `"docker" "inspect" "bc8bbb294084b06e8370d0aa35f3ba4a5d9592f13554f5d76090b6570e763891"`
[INFO] running `"docker" "rm" "-f" "bc8bbb294084b06e8370d0aa35f3ba4a5d9592f13554f5d76090b6570e763891"`
[INFO] [stdout] bc8bbb294084b06e8370d0aa35f3ba4a5d9592f13554f5d76090b6570e763891
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 6d07ef2a78bdfaf7640e792f537b2ca5c4ba47c9989f9c645c79824219c61eef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6d07ef2a78bdfaf7640e792f537b2ca5c4ba47c9989f9c645c79824219c61eef"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused imports: `Array`, `block::Block`, `self`
[INFO] [stderr]  --> src/chunk_store.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |         block::Block,
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 5 |         chunk::{self, Array, Chunk, Coords},
[INFO] [stderr]   |                 ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ptr::null as nullptr`
[INFO] [stderr]   --> src/mesher.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         ptr::null as nullptr,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_with_dims`
[INFO] [stderr]    --> src/array3d.rs:337:12
[INFO] [stderr]     |
[INFO] [stderr] 337 |     pub fn new_with_dims(dims: V3usize, elements: Vec<T>) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SliceMut`
[INFO] [stderr]  --> src/block/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type SliceMut<'a> = array3d::ArraySliceMut<'a, Block>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `VOLUME`
[INFO] [stderr]   --> src/chunk.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub const VOLUME:   i32 = DIM * DIM * DIM;  // 512    4k   32k  256k  (Blocks, not bytes)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unwrap`
[INFO] [stderr]   --> src/chunk.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn unwrap(self) -> V3i32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Slice`
[INFO] [stderr]    --> src/chunk.rs:127:1
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub type Slice<'a> = array3d::ArraySlice<'a, Block>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_empty`
[INFO] [stderr]    --> src/chunk.rs:145:12
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unwrap`
[INFO] [stderr]   --> src/chunk_cache.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn unwrap(self) -> V {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_and_acquire`
[INFO] [stderr]   --> src/chunk_cache.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn insert_and_acquire(&mut self, key: K) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `remove`
[INFO] [stderr]   --> src/chunk_cache.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn remove<Q> (&mut self, key: &Q) -> V
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `borrowed`
[INFO] [stderr]   --> src/chunk_cache.rs:85:12
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn borrowed(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sync`
[INFO] [stderr]   --> src/chunk_source.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn sync(&mut self) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `flush`
[INFO] [stderr]   --> src/chunk_source.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn flush(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EPSILON`
[INFO] [stderr]  --> src/math/linear.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const EPSILON: f32 = 0.00001;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/math/linear.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn new(source: P3, stride: V3) -> Ray {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_from_points`
[INFO] [stderr]    --> src/math/linear.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn new_from_points(a: P3, b: P3) -> Segment {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reverse`
[INFO] [stderr]    --> src/math/linear.rs:137:12
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn reverse(self) -> Segment {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/math/planar.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new(normal_to_centre: V3) -> Plane {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_point_and_normal`
[INFO] [stderr]   --> src/math/planar.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn from_point_and_normal(point: P3, normal: V3) -> Plane {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_dims_unchecked`
[INFO] [stderr]   --> src/math/box3.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn with_dims_unchecked(mins: P3, dims: V3) -> Box3 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unwrap`
[INFO] [stderr]   --> src/math/mod.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn unwrap(self) -> T { self.0 }
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `P3u8`
[INFO] [stderr]   --> src/math/mod.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub type P3u8 = P3<u8>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `P3usize`
[INFO] [stderr]   --> src/math/mod.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub type P3usize = P3<usize>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `M4`
[INFO] [stderr]   --> src/math/mod.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub type M4<T = f32> = na::Matrix4<T>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Translation`
[INFO] [stderr]   --> src/math/mod.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub type Translation<T = f32> = na::Translation3<T>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Quaternion`
[INFO] [stderr]   --> src/math/mod.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub type Quaternion<T = f32> = na::Quaternion<T>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Versor`
[INFO] [stderr]   --> src/math/mod.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub type Versor<T = f32> = na::UnitQuaternion<T>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `relative_to_absolute`
[INFO] [stderr]   --> src/stage.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn relative_to_absolute(&self, rel: V3i32) -> chunk::Coords {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `absolute_to_relative`
[INFO] [stderr]   --> src/stage.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn absolute_to_relative(&self, abs: chunk::Coords) -> V3i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_relative`
[INFO] [stderr]    --> src/stage.rs:121:12
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn insert_relative(&mut self, rel: V3i32, content: T) -> Option<T> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load`
[INFO] [stderr]   --> src/texture.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn load(path: impl AsRef<std::path::Path>, levels: u32) -> Result<Texture2D, Error> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/texture.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |         dst.save("atlas-pack.png");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rk_voxel-29cd6771c86d0f6e
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test array3d::tests::copy_from ... ok
[INFO] [stdout] test array3d::tests::slice ... ok
[INFO] [stdout] test math::box3::tests::dilate ... ok
[INFO] [stdout] test math::box3::tests::intersect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6d07ef2a78bdfaf7640e792f537b2ca5c4ba47c9989f9c645c79824219c61eef"`
[INFO] running `"docker" "rm" "-f" "6d07ef2a78bdfaf7640e792f537b2ca5c4ba47c9989f9c645c79824219c61eef"`
[INFO] [stdout] 6d07ef2a78bdfaf7640e792f537b2ca5c4ba47c9989f9c645c79824219c61eef