[INFO] updating cached repository https://github.com/vlad9486/gus
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ecf8786ba29b5719a04f476e09f1486c50afc4a
[INFO] testing vlad9486/gus against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlad9486%2Fgus" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vlad9486/gus on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vlad9486/gus
[INFO] finished tweaking git repo https://github.com/vlad9486/gus
[INFO] tweaked toml for git repo https://github.com/vlad9486/gus written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/vlad9486/gus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bc113aee178ca94e6cb498ef592775de90ee9a5a595c7fdf606759d19368c01
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4bc113aee178ca94e6cb498ef592775de90ee9a5a595c7fdf606759d19368c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bc113aee178ca94e6cb498ef592775de90ee9a5a595c7fdf606759d19368c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc113aee178ca94e6cb498ef592775de90ee9a5a595c7fdf606759d19368c01", kill_on_drop: false }`
[INFO] [stdout] 4bc113aee178ca94e6cb498ef592775de90ee9a5a595c7fdf606759d19368c01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 995b43699e81d866f920e8fee3ae4884bc9f29ea56e2d71450d8498cfc83e3c6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "995b43699e81d866f920e8fee3ae4884bc9f29ea56e2d71450d8498cfc83e3c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling serde v1.0.11
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]    Compiling gus v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/beam.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn fate(value: Density, mut rng: &mut Rng) -> bool {
[INFO] [stdout]    |                                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/beam.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |         mut rng: &mut Rng,
[INFO] [stdout]    |                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/beam.rs:284:61
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn fate(&self, frequency: &Frequency, mut rng: &mut Rng) -> Fate {
[INFO] [stdout]     |                                                             ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:55:74
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn sample(&self, scene: &Scene, image: &mut Image, mut rng: &mut Rng) {
[INFO] [stdout]    |                                                                          ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:31:50
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn trace(&self, ray: &Ray, mut rng: &mut Rng) -> Vec<Ray> {
[INFO] [stdout]    |                                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:67:55
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn trace_internal(&self, ray: &Ray, mut rng: &mut Rng, level: usize) -> Vec<Ray> {
[INFO] [stdout]    |                                                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ray.rs:39:59
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn diffuse(&self, position: V3, normal: V3, rng: &mut Rng) -> Self;
[INFO] [stdout]    |                                                           ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ray.rs:52:63
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn diffuse(&self, position: V3, normal: V3, mut rng: &mut Rng) -> Self {
[INFO] [stdout]    |                                                               ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.84s
[INFO] running `Command { std: "docker" "inspect" "995b43699e81d866f920e8fee3ae4884bc9f29ea56e2d71450d8498cfc83e3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "995b43699e81d866f920e8fee3ae4884bc9f29ea56e2d71450d8498cfc83e3c6", kill_on_drop: false }`
[INFO] [stdout] 995b43699e81d866f920e8fee3ae4884bc9f29ea56e2d71450d8498cfc83e3c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17e093b01627ff43679d912f47279e840de617562a69ab8a6fd279299a56b717
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "17e093b01627ff43679d912f47279e840de617562a69ab8a6fd279299a56b717", kill_on_drop: false }`
[INFO] [stderr]    Compiling gus v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/beam.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn fate(value: Density, mut rng: &mut Rng) -> bool {
[INFO] [stdout]    |                                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/beam.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |         mut rng: &mut Rng,
[INFO] [stdout]    |                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/beam.rs:284:61
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn fate(&self, frequency: &Frequency, mut rng: &mut Rng) -> Fate {
[INFO] [stdout]     |                                                             ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:55:74
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn sample(&self, scene: &Scene, image: &mut Image, mut rng: &mut Rng) {
[INFO] [stdout]    |                                                                          ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:31:50
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn trace(&self, ray: &Ray, mut rng: &mut Rng) -> Vec<Ray> {
[INFO] [stdout]    |                                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:67:55
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn trace_internal(&self, ray: &Ray, mut rng: &mut Rng, level: usize) -> Vec<Ray> {
[INFO] [stdout]    |                                                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ray.rs:39:59
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn diffuse(&self, position: V3, normal: V3, rng: &mut Rng) -> Self;
[INFO] [stdout]    |                                                           ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ray.rs:52:63
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn diffuse(&self, position: V3, normal: V3, mut rng: &mut Rng) -> Self {
[INFO] [stdout]    |                                                               ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/beam.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn fate(value: Density, mut rng: &mut Rng) -> bool {
[INFO] [stdout]    |                                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/beam.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |         mut rng: &mut Rng,
[INFO] [stdout]    |                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/beam.rs:284:61
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn fate(&self, frequency: &Frequency, mut rng: &mut Rng) -> Fate {
[INFO] [stdout]     |                                                             ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:55:74
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn sample(&self, scene: &Scene, image: &mut Image, mut rng: &mut Rng) {
[INFO] [stdout]    |                                                                          ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:31:50
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn trace(&self, ray: &Ray, mut rng: &mut Rng) -> Vec<Ray> {
[INFO] [stdout]    |                                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:67:55
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn trace_internal(&self, ray: &Ray, mut rng: &mut Rng, level: usize) -> Vec<Ray> {
[INFO] [stdout]    |                                                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ray.rs:39:59
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn diffuse(&self, position: V3, normal: V3, rng: &mut Rng) -> Self;
[INFO] [stdout]    |                                                           ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ray.rs:52:63
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn diffuse(&self, position: V3, normal: V3, mut rng: &mut Rng) -> Self {
[INFO] [stdout]    |                                                               ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "17e093b01627ff43679d912f47279e840de617562a69ab8a6fd279299a56b717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e093b01627ff43679d912f47279e840de617562a69ab8a6fd279299a56b717", kill_on_drop: false }`
[INFO] [stdout] 17e093b01627ff43679d912f47279e840de617562a69ab8a6fd279299a56b717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9cbba0520065b0eb74aaf68174af9a93092865f42bb71afc0b15103947a94301
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9cbba0520065b0eb74aaf68174af9a93092865f42bb71afc0b15103947a94301", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/beam.rs:49:39
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn fate(value: Density, mut rng: &mut Rng) -> bool {
[INFO] [stderr]    |                                       ^^^ help: use `dyn`: `dyn Rng`
[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/beam.rs:60:23
[INFO] [stderr]    |
[INFO] [stderr] 60 |         mut rng: &mut Rng,
[INFO] [stderr]    |                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/beam.rs:284:61
[INFO] [stderr]     |
[INFO] [stderr] 284 |     pub fn fate(&self, frequency: &Frequency, mut rng: &mut Rng) -> Fate {
[INFO] [stderr]     |                                                             ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/screen.rs:55:74
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn sample(&self, scene: &Scene, image: &mut Image, mut rng: &mut Rng) {
[INFO] [stderr]    |                                                                          ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scene.rs:31:50
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn trace(&self, ray: &Ray, mut rng: &mut Rng) -> Vec<Ray> {
[INFO] [stderr]    |                                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scene.rs:67:55
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn trace_internal(&self, ray: &Ray, mut rng: &mut Rng, level: usize) -> Vec<Ray> {
[INFO] [stderr]    |                                                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ray.rs:39:59
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn diffuse(&self, position: V3, normal: V3, rng: &mut Rng) -> Self;
[INFO] [stderr]    |                                                           ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/beam.rs:49:39
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn fate(value: Density, mut rng: &mut Rng) -> bool {
[INFO] [stderr]    |                                       ^^^ help: use `dyn`: `dyn Rng`
[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/ray.rs:52:63
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn diffuse(&self, position: V3, normal: V3, mut rng: &mut Rng) -> Self {
[INFO] [stderr]    |                                                               ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/beam.rs:60:23
[INFO] [stderr]    |
[INFO] [stderr] 60 |         mut rng: &mut Rng,
[INFO] [stderr]    |                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/beam.rs:284:61
[INFO] [stderr]     |
[INFO] [stderr] 284 |     pub fn fate(&self, frequency: &Frequency, mut rng: &mut Rng) -> Fate {
[INFO] [stderr]     |                                                             ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/screen.rs:55:74
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn sample(&self, scene: &Scene, image: &mut Image, mut rng: &mut Rng) {
[INFO] [stderr]    |                                                                          ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scene.rs:31:50
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn trace(&self, ray: &Ray, mut rng: &mut Rng) -> Vec<Ray> {
[INFO] [stderr]    |                                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scene.rs:67:55
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn trace_internal(&self, ray: &Ray, mut rng: &mut Rng, level: usize) -> Vec<Ray> {
[INFO] [stderr]    |                                                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ray.rs:39:59
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn diffuse(&self, position: V3, normal: V3, rng: &mut Rng) -> Self;
[INFO] [stderr]    |                                                           ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ray.rs:52:63
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn diffuse(&self, position: V3, normal: V3, mut rng: &mut Rng) -> Self {
[INFO] [stderr]    |                                                               ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gus-74c3305d57b7ed4d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test algebra::test::internal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gus
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9cbba0520065b0eb74aaf68174af9a93092865f42bb71afc0b15103947a94301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cbba0520065b0eb74aaf68174af9a93092865f42bb71afc0b15103947a94301", kill_on_drop: false }`
[INFO] [stdout] 9cbba0520065b0eb74aaf68174af9a93092865f42bb71afc0b15103947a94301