[INFO] updating cached repository Vengarioth/lumen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Vengarioth/lumen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Vengarioth/lumen" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Vengarioth/lumen"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Vengarioth/lumen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Vengarioth/lumen" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Vengarioth/lumen"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Vengarioth/lumen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4efe3c196845a06e1da172074946e67ba4eb4208
[INFO] sha for GitHub repo Vengarioth/lumen: 4efe3c196845a06e1da172074946e67ba4eb4208
[INFO] validating manifest of Vengarioth/lumen on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Vengarioth/lumen on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Vengarioth/lumen
[INFO] finished frobbing Vengarioth/lumen
[INFO] frobbed toml for Vengarioth/lumen written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Vengarioth/lumen/Cargo.toml
[INFO] started frobbing Vengarioth/lumen
[INFO] finished frobbing Vengarioth/lumen
[INFO] frobbed toml for Vengarioth/lumen written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Vengarioth/lumen/Cargo.toml
[INFO] crate Vengarioth/lumen already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Vengarioth/lumen against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Vengarioth/lumen:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 484fb10372748573e300cf6b68ba528919f432ff776d44952ba5097144b1312b
[INFO] running `"docker" "start" "-a" "484fb10372748573e300cf6b68ba528919f432ff776d44952ba5097144b1312b"`
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking png v0.13.2
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stderr]     Checking console v0.7.2
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking nalgebra v0.16.12
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.12/src/base/cg.rs:291:44
[INFO] [stderr]     |
[INFO] [stderr] 291 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking lumen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `float3` should have an upper camel case name
[INFO] [stderr]  --> src/ray.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | type float3 = Vector3<f32>;
[INFO] [stderr]   |      ^^^^^^ help: convert the identifier to upper camel case: `Float3`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `float3` should have an upper camel case name
[INFO] [stderr]  --> src/camera.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | type float3 = Vector3<f32>;
[INFO] [stderr]   |      ^^^^^^ help: convert the identifier to upper camel case: `Float3`
[INFO] [stderr] 
[INFO] [stderr] warning: type `float3` should have an upper camel case name
[INFO] [stderr]  --> src/primitives/plane.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | type float3 = Vector3<f32>;
[INFO] [stderr]   |      ^^^^^^ help: convert the identifier to upper camel case: `Float3`
[INFO] [stderr] 
[INFO] [stderr] warning: type `float3` should have an upper camel case name
[INFO] [stderr]  --> src/primitives/sphere.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | type float3 = Vector3<f32>;
[INFO] [stderr]   |      ^^^^^^ help: convert the identifier to upper camel case: `Float3`
[INFO] [stderr] 
[INFO] [stderr] warning: type `float3` should have an upper camel case name
[INFO] [stderr]  --> src/intersection.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | type float3 = Vector3<f32>;
[INFO] [stderr]   |      ^^^^^^ help: convert the identifier to upper camel case: `Float3`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/scene.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 |     elements: Vec<Box<Intersectable + Sync>>,
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable + Sync`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scene.rs:15:37
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn add(&mut self, item: Box<Intersectable + Sync>) {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: type `float3` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:26:6
[INFO] [stderr]    |
[INFO] [stderr] 26 | type float3 = Vector3<f32>;
[INFO] [stderr]    |      ^^^^^^ help: convert the identifier to upper camel case: `Float3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `float3` should have an upper camel case name
[INFO] [stderr]  --> src/ray.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | type float3 = Vector3<f32>;
[INFO] [stderr]   |      ^^^^^^ help: convert the identifier to upper camel case: `Float3`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `float3` should have an upper camel case name
[INFO] [stderr]  --> src/camera.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | type float3 = Vector3<f32>;
[INFO] [stderr]   |      ^^^^^^ help: convert the identifier to upper camel case: `Float3`
[INFO] [stderr] 
[INFO] [stderr] warning: type `float3` should have an upper camel case name
[INFO] [stderr]  --> src/primitives/plane.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | type float3 = Vector3<f32>;
[INFO] [stderr]   |      ^^^^^^ help: convert the identifier to upper camel case: `Float3`
[INFO] [stderr] 
[INFO] [stderr] warning: type `float3` should have an upper camel case name
[INFO] [stderr]  --> src/primitives/sphere.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | type float3 = Vector3<f32>;
[INFO] [stderr]   |      ^^^^^^ help: convert the identifier to upper camel case: `Float3`
[INFO] [stderr] 
[INFO] [stderr] warning: type `float3` should have an upper camel case name
[INFO] [stderr]  --> src/intersection.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | type float3 = Vector3<f32>;
[INFO] [stderr]   |      ^^^^^^ help: convert the identifier to upper camel case: `Float3`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/scene.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 |     elements: Vec<Box<Intersectable + Sync>>,
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable + Sync`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scene.rs:15:37
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn add(&mut self, item: Box<Intersectable + Sync>) {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: type `float3` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:26:6
[INFO] [stderr]    |
[INFO] [stderr] 26 | type float3 = Vector3<f32>;
[INFO] [stderr]    |      ^^^^^^ help: convert the identifier to upper camel case: `Float3`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `blit`
[INFO] [stderr]   --> src/buffer.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn blit(&mut self, other: &Buffer, offset_x: u32, offset_y: u32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `swap`
[INFO] [stderr]   --> src/buffer.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn swap(&mut self) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/camera.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new(origin: float3, lower_left_corner: float3, horizontal: float3, vertical: float3) -> Camera {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rect2d`
[INFO] [stderr]  --> src/rect_2d.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Rect2d {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/rect_2d.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(x: u32, y: u32, width: u32, height: u32) -> Rect2d {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/processing/tile.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(x: u32, y: u32, width: u32, height: u32) -> Tile {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `split`
[INFO] [stderr]   --> src/processing/tile.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn split(&self) -> Vec<Tile> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `normal`
[INFO] [stderr]   --> src/main.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn normal(scene: &Scene, ray: &Ray) -> float3 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `blit`
[INFO] [stderr]   --> src/buffer.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn blit(&mut self, other: &Buffer, offset_x: u32, offset_y: u32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `swap`
[INFO] [stderr]   --> src/buffer.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn swap(&mut self) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/camera.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new(origin: float3, lower_left_corner: float3, horizontal: float3, vertical: float3) -> Camera {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rect2d`
[INFO] [stderr]  --> src/rect_2d.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Rect2d {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/rect_2d.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(x: u32, y: u32, width: u32, height: u32) -> Rect2d {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `normal`
[INFO] [stderr]   --> src/main.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn normal(scene: &Scene, ray: &Ray) -> float3 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.86s
[INFO] running `"docker" "inspect" "484fb10372748573e300cf6b68ba528919f432ff776d44952ba5097144b1312b"`
[INFO] running `"docker" "rm" "-f" "484fb10372748573e300cf6b68ba528919f432ff776d44952ba5097144b1312b"`
[INFO] [stdout] 484fb10372748573e300cf6b68ba528919f432ff776d44952ba5097144b1312b