[INFO] cloning repository https://github.com/julioolvr/raytracing-in-a-weekend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/julioolvr/raytracing-in-a-weekend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulioolvr%2Fraytracing-in-a-weekend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulioolvr%2Fraytracing-in-a-weekend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 330bf0913feecd6a6e1e30d8d5331d04636f9c8d
[INFO] testing julioolvr/raytracing-in-a-weekend against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulioolvr%2Fraytracing-in-a-weekend" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/julioolvr/raytracing-in-a-weekend
[INFO] finished tweaking git repo https://github.com/julioolvr/raytracing-in-a-weekend
[INFO] tweaked toml for git repo https://github.com/julioolvr/raytracing-in-a-weekend written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/julioolvr/raytracing-in-a-weekend on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/julioolvr/raytracing-in-a-weekend 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71f6fc89255b4b7d93235ce23c3575edc62a371de8f55205d0e0d4e554d9588b
[INFO] running `Command { std: "docker" "start" "-a" "71f6fc89255b4b7d93235ce23c3575edc62a371de8f55205d0e0d4e554d9588b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71f6fc89255b4b7d93235ce23c3575edc62a371de8f55205d0e0d4e554d9588b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f6fc89255b4b7d93235ce23c3575edc62a371de8f55205d0e0d4e554d9588b", kill_on_drop: false }`
[INFO] [stdout] 71f6fc89255b4b7d93235ce23c3575edc62a371de8f55205d0e0d4e554d9588b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65c30d0cb1a10612e25c476d7e0c01b200308eeac5ae64b0882a905f9a2bdc36
[INFO] running `Command { std: "docker" "start" "-a" "65c30d0cb1a10612e25c476d7e0c01b200308eeac5ae64b0882a905f9a2bdc36", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling raytracing-in-a-weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/raytracer/camera.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     w: Vector3,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Camera` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `water` and `diamond` are never used
[INFO] [stdout]   --> src/raytracer/material/dielectric.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Dielectric {
[INFO] [stdout]    | --------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn water() -> Dielectric {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn diamond() -> Dielectric {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/raytracer/hit.rs:12:84
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(t: f64, p: Vector3, normal: Vector3, material: &'a dyn Material) -> Hit {
[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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(t: f64, p: Vector3, normal: Vector3, material: &'a dyn Material) -> Hit<'a> {
[INFO] [stdout]    |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/raytracer/hit.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit>;
[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] 18 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit<'_>>;
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/raytracer/hit.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit> {
[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] 22 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit<'_>> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/raytracer/sphere.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit> {
[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] 17 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit<'_>> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "65c30d0cb1a10612e25c476d7e0c01b200308eeac5ae64b0882a905f9a2bdc36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65c30d0cb1a10612e25c476d7e0c01b200308eeac5ae64b0882a905f9a2bdc36", kill_on_drop: false }`
[INFO] [stdout] 65c30d0cb1a10612e25c476d7e0c01b200308eeac5ae64b0882a905f9a2bdc36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5c5c11f038ff51cd5d7620d2aaeeb6d15446c3f2984b2948e944dfff34f6ee3
[INFO] running `Command { std: "docker" "start" "-a" "d5c5c11f038ff51cd5d7620d2aaeeb6d15446c3f2984b2948e944dfff34f6ee3", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracing-in-a-weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/raytracer/camera.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     w: Vector3,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Camera` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `water` and `diamond` are never used
[INFO] [stdout]   --> src/raytracer/material/dielectric.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Dielectric {
[INFO] [stdout]    | --------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn water() -> Dielectric {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn diamond() -> Dielectric {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/raytracer/hit.rs:12:84
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(t: f64, p: Vector3, normal: Vector3, material: &'a dyn Material) -> Hit {
[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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(t: f64, p: Vector3, normal: Vector3, material: &'a dyn Material) -> Hit<'a> {
[INFO] [stdout]    |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/raytracer/hit.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit>;
[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] 18 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit<'_>>;
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/raytracer/hit.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit> {
[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] 22 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit<'_>> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/raytracer/sphere.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit> {
[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] 17 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit<'_>> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "d5c5c11f038ff51cd5d7620d2aaeeb6d15446c3f2984b2948e944dfff34f6ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c5c11f038ff51cd5d7620d2aaeeb6d15446c3f2984b2948e944dfff34f6ee3", kill_on_drop: false }`
[INFO] [stdout] d5c5c11f038ff51cd5d7620d2aaeeb6d15446c3f2984b2948e944dfff34f6ee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b421881e18fe49f312a817ef6072a9e441352825ac50a6b02468fade01b64c6
[INFO] running `Command { std: "docker" "start" "-a" "8b421881e18fe49f312a817ef6072a9e441352825ac50a6b02468fade01b64c6", kill_on_drop: false }`
[INFO] [stderr] warning: field `w` is never read
[INFO] [stderr]   --> src/raytracer/camera.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr]  6 | pub struct Camera {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 13 |     w: Vector3,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Camera` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `water` and `diamond` are never used
[INFO] [stderr]   --> src/raytracer/material/dielectric.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl Dielectric {
[INFO] [stderr]    | --------------- associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 14 |     pub fn water() -> Dielectric {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn diamond() -> Dielectric {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/raytracer/hit.rs:12:84
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(t: f64, p: Vector3, normal: Vector3, material: &'a dyn Material) -> Hit {
[INFO] [stderr]    |                                                                --                  ^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                                                |
[INFO] [stderr]    |                                                                the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(t: f64, p: Vector3, normal: Vector3, material: &'a dyn Material) -> Hit<'a> {
[INFO] [stderr]    |                                                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/raytracer/hit.rs:18:18
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit>;
[INFO] [stderr]    |                  ^^^^^ the lifetime is elided here                  ^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit<'_>>;
[INFO] [stderr]    |                                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/raytracer/hit.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit> {
[INFO] [stderr]    |                  ^^^^^ the lifetime is elided here                  ^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit<'_>> {
[INFO] [stderr]    |                                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/raytracer/sphere.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit> {
[INFO] [stderr]    |                  ^^^^^ the lifetime is elided here                  ^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn check_hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option<Hit<'_>> {
[INFO] [stderr]    |                                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `raytracing-in-a-weekend` (bin "raytracing-in-a-weekend" test) generated 6 warnings (run `cargo fix --bin "raytracing-in-a-weekend" -p raytracing-in-a-weekend --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/raytracing_in_a_weekend-8d209aef5637a291)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test raytracer::material::dielectric::tests::refract_45_degree_angle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8b421881e18fe49f312a817ef6072a9e441352825ac50a6b02468fade01b64c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b421881e18fe49f312a817ef6072a9e441352825ac50a6b02468fade01b64c6", kill_on_drop: false }`
[INFO] [stdout] 8b421881e18fe49f312a817ef6072a9e441352825ac50a6b02468fade01b64c6
