[INFO] cloning repository https://github.com/huxs/rust-raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huxs/rust-raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuxs%2Frust-raytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuxs%2Frust-raytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26bcbc85407f10b013a216178a9c7f65a03d2d77
[INFO] checking huxs/rust-raytracer against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuxs%2Frust-raytracer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/huxs/rust-raytracer
[INFO] finished tweaking git repo https://github.com/huxs/rust-raytracer
[INFO] tweaked toml for git repo https://github.com/huxs/rust-raytracer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/huxs/rust-raytracer on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/huxs/rust-raytracer 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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de5cd211ce01fbbe4802b8b0d7c59b833872706664af3c43e7b4fa53d2e8dc66
[INFO] running `Command { std: "docker" "start" "-a" "de5cd211ce01fbbe4802b8b0d7c59b833872706664af3c43e7b4fa53d2e8dc66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de5cd211ce01fbbe4802b8b0d7c59b833872706664af3c43e7b4fa53d2e8dc66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5cd211ce01fbbe4802b8b0d7c59b833872706664af3c43e7b4fa53d2e8dc66", kill_on_drop: false }`
[INFO] [stdout] de5cd211ce01fbbe4802b8b0d7c59b833872706664af3c43e7b4fa53d2e8dc66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4a7e09cdee2b7e456d1e0460ed6f3f03289a7759e6c589d5a87187102b7b9d8
[INFO] running `Command { std: "docker" "start" "-a" "c4a7e09cdee2b7e456d1e0460ed6f3f03289a7759e6c589d5a87187102b7b9d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `duration_as_u128` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_as_u128)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `duration_as_u128` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_as_u128)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub material: &'a Material
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub material: &'a dyn Material
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub hitables : Vec<Box<Hitable + 'a>>
[INFO] [stdout]    |                            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub hitables : Vec<Box<dyn Hitable + 'a>>
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub material: Box<Material + 'a>
[INFO] [stdout]    |                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub material: Box<dyn Material + 'a>
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub material: &'a Material
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub material: &'a dyn Material
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub hitables : Vec<Box<Hitable + 'a>>
[INFO] [stdout]    |                            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub hitables : Vec<Box<dyn Hitable + 'a>>
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub material: Box<Material + 'a>
[INFO] [stdout]    |                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub material: Box<dyn Material + 'a>
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:14:67
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(_t: f32, _pos: Vec3, _normal: Vec3, _material: &'a Material) -> HitRecord {
[INFO] [stdout]    |                                                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(_t: f32, _pos: Vec3, _normal: Vec3, _material: &'a dyn Material) -> HitRecord {
[INFO] [stdout]    |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:16:60
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(_center: Vec3, _radius: f32, _material: Box<Material + 'a>) -> Sphere {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(_center: Vec3, _radius: f32, _material: Box<dyn Material + 'a>) -> Sphere {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:14:67
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(_t: f32, _pos: Vec3, _normal: Vec3, _material: &'a Material) -> HitRecord {
[INFO] [stdout]    |                                                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(_t: f32, _pos: Vec3, _normal: Vec3, _material: &'a dyn Material) -> HitRecord {
[INFO] [stdout]    |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:16:60
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(_center: Vec3, _radius: f32, _material: Box<Material + 'a>) -> Sphere {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(_center: Vec3, _radius: f32, _material: Box<dyn Material + 'a>) -> Sphere {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_scene` is never used
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn random_scene(rng: &mut rand::ThreadRng) -> HitableList {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MaterialKind` is never used
[INFO] [stdout]    --> src/material.rs:108:6
[INFO] [stdout]     |
[INFO] [stdout] 108 | enum MaterialKind {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:130:22
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn random_scene(rng: &mut rand::ThreadRng) -> HitableList {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn random_scene(rng: &mut rand::ThreadRng) -> HitableList<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/hitable.rs:14:80
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(_t: f32, _pos: Vec3, _normal: Vec3, _material: &'a Material) -> HitRecord {
[INFO] [stdout]    |                                                                --              ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                                |
[INFO] [stdout]    |                                                                the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(_t: f32, _pos: Vec3, _normal: Vec3, _material: &'a Material) -> HitRecord<'a> {
[INFO] [stdout]    |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/hitable.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn hit(&self, ray: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord>;
[INFO] [stdout]    |            ^^^^^ the lifetime is elided here                   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn hit(&self, ray: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord<'_>>;
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_scene` is never used
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn random_scene(rng: &mut rand::ThreadRng) -> HitableList {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MaterialKind` is never used
[INFO] [stdout]    --> src/material.rs:108:6
[INFO] [stdout]     |
[INFO] [stdout] 108 | enum MaterialKind {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/hitable.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn hit(&self, ray: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
[INFO] [stdout]    |            ^^^^^ the lifetime is elided here                   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn hit(&self, ray: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord<'_>> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:130:22
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn random_scene(rng: &mut rand::ThreadRng) -> HitableList {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn random_scene(rng: &mut rand::ThreadRng) -> HitableList<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sphere.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn hit(&self, ray: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
[INFO] [stdout]    |            ^^^^^ the lifetime is elided here                   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn hit(&self, ray: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord<'_>> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/hitable.rs:14:80
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(_t: f32, _pos: Vec3, _normal: Vec3, _material: &'a Material) -> HitRecord {
[INFO] [stdout]    |                                                                --              ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                                |
[INFO] [stdout]    |                                                                the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(_t: f32, _pos: Vec3, _normal: Vec3, _material: &'a Material) -> HitRecord<'a> {
[INFO] [stdout]    |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/hitable.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn hit(&self, ray: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord>;
[INFO] [stdout]    |            ^^^^^ the lifetime is elided here                   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn hit(&self, ray: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord<'_>>;
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/hitable.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn hit(&self, ray: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
[INFO] [stdout]    |            ^^^^^ the lifetime is elided here                   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn hit(&self, ray: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord<'_>> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sphere.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn hit(&self, ray: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
[INFO] [stdout]    |            ^^^^^ the lifetime is elided here                   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn hit(&self, ray: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord<'_>> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c4a7e09cdee2b7e456d1e0460ed6f3f03289a7759e6c589d5a87187102b7b9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a7e09cdee2b7e456d1e0460ed6f3f03289a7759e6c589d5a87187102b7b9d8", kill_on_drop: false }`
[INFO] [stdout] c4a7e09cdee2b7e456d1e0460ed6f3f03289a7759e6c589d5a87187102b7b9d8
