[INFO] cloning repository https://github.com/andystanton/raytracer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andystanton/raytracer-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandystanton%2Fraytracer-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandystanton%2Fraytracer-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e000aeba06479636275df18899859b803097b4c9
[INFO] testing andystanton/raytracer-rs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandystanton%2Fraytracer-rs" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andystanton/raytracer-rs on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andystanton/raytracer-rs
[INFO] finished tweaking git repo https://github.com/andystanton/raytracer-rs
[INFO] tweaked toml for git repo https://github.com/andystanton/raytracer-rs written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/andystanton/raytracer-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/brendanzab/noise-rs.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stderrlog v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0e49bf73b624c1dace14aef45a610a9fdd4fbfd6649a515651e1c80660094cb
[INFO] running `Command { std: "docker" "start" "-a" "e0e49bf73b624c1dace14aef45a610a9fdd4fbfd6649a515651e1c80660094cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0e49bf73b624c1dace14aef45a610a9fdd4fbfd6649a515651e1c80660094cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0e49bf73b624c1dace14aef45a610a9fdd4fbfd6649a515651e1c80660094cb", kill_on_drop: false }`
[INFO] [stdout] e0e49bf73b624c1dace14aef45a610a9fdd4fbfd6649a515651e1c80660094cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 376c691466865af32dfc2349d27e0e32b607315576cb9e74cd2588153c6a086e
[INFO] running `Command { std: "docker" "start" "-a" "376c691466865af32dfc2349d27e0e32b607315576cb9e74cd2588153c6a086e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling textwrap v0.8.0
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling noise v0.4.1 (https://github.com/brendanzab/noise-rs.git?rev=42753cbcc857655f211ecf2658f492931cb252fb#42753cbc)
[INFO] [stderr]    Compiling png v0.8.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling stderrlog v0.2.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.14.0
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/material.rs:91:27
[INFO] [stdout]    |
[INFO] [stdout] 91 |     r0 + (1.0 - r0) * pow((1.0 - cosine), 5)
[INFO] [stdout]    |                           ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 91 -     r0 + (1.0 - r0) * pow((1.0 - cosine), 5)
[INFO] [stdout] 91 +     r0 + (1.0 - r0) * pow(1.0 - cosine, 5)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |     list: Vec<Box<Hitable + Sync + Send>>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     list: Vec<Box<Hitable + Sync + Send>>,
[INFO] [stdout] 32 +     list: Vec<Box<dyn Hitable + Sync + Send>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |     left: Arc<Hitable + Send + Sync>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     left: Arc<Hitable + Send + Sync>,
[INFO] [stdout] 16 +     left: Arc<dyn Hitable + Send + Sync>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     right: Arc<Hitable + Send + Sync>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     right: Arc<Hitable + Send + Sync>,
[INFO] [stdout] 17 +     right: Arc<dyn Hitable + Send + Sync>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/material.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 |         texture: Box<Texture + Send + Sync>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 -         texture: Box<Texture + Send + Sync>,
[INFO] [stdout] 66 +         texture: Box<dyn Texture + Send + Sync>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub odd: Box<Texture + Send + Sync>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 -     pub odd: Box<Texture + Send + Sync>,
[INFO] [stdout] 50 +     pub odd: Box<dyn Texture + Send + Sync>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub even: Box<Texture + Send + Sync>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 -     pub even: Box<Texture + Send + Sync>,
[INFO] [stdout] 51 +     pub even: Box<dyn Texture + Send + Sync>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/raytracer.rs:177:38
[INFO] [stdout]     |
[INFO] [stdout] 177 | fn colour(ray: &Ray3<f32>, hitable: &Hitable, depth: u32) -> Vector3<f32> {
[INFO] [stdout]     |                                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 177 - fn colour(ray: &Ray3<f32>, hitable: &Hitable, depth: u32) -> Vector3<f32> {
[INFO] [stdout] 177 + fn colour(ray: &Ray3<f32>, hitable: &dyn Hitable, depth: u32) -> Vector3<f32> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 | type ArcHitable = Arc<Hitable + Send + Sync>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 - type ArcHitable = Arc<Hitable + Send + Sync>;
[INFO] [stdout] 21 + type ArcHitable = Arc<dyn Hitable + Send + Sync>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn box_axis_compare(axis: usize) -> Box<Fn(&ArcHitable, &ArcHitable) -> Ordering> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 - fn box_axis_compare(axis: usize) -> Box<Fn(&ArcHitable, &ArcHitable) -> Ordering> {
[INFO] [stdout] 23 + fn box_axis_compare(axis: usize) -> Box<dyn Fn(&ArcHitable, &ArcHitable) -> Ordering> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Clone for Box<Texture + Send + Sync> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 - impl Clone for Box<Texture + Send + Sync> {
[INFO] [stdout] 18 + impl Clone for Box<dyn Texture + Send + Sync> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn box_clone(&self) -> Box<Texture + Send + Sync>;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 -     fn box_clone(&self) -> Box<Texture + Send + Sync>;
[INFO] [stdout] 15 +     fn box_clone(&self) -> Box<dyn Texture + Send + Sync>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout] 19 +     fn clone(&self) -> Box<dyn Texture + Send + Sync> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 -     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout] 41 +     fn box_clone(&self) -> Box<dyn Texture + Send + Sync> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 -     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stdout] 55 +     pub fn new(odd: Box<dyn Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:55:59
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 -     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stdout] 55 +     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<dyn Texture + Send + Sync>) -> Box<Self> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 75 -     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout] 75 +     fn box_clone(&self) -> Box<dyn Texture + Send + Sync> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/texture.rs:102:32
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 102 -     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout] 102 +     fn box_clone(&self) -> Box<dyn Texture + Send + Sync> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `timeutil::TimeUtil`
[INFO] [stdout]  --> src/sphere.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use timeutil::TimeUtil;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.55s
[INFO] running `Command { std: "docker" "inspect" "376c691466865af32dfc2349d27e0e32b607315576cb9e74cd2588153c6a086e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376c691466865af32dfc2349d27e0e32b607315576cb9e74cd2588153c6a086e", kill_on_drop: false }`
[INFO] [stdout] 376c691466865af32dfc2349d27e0e32b607315576cb9e74cd2588153c6a086e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdb456ee12a9d5030ddc4e04bc681c1ebc4d29f0213379ab918adf4457292711
[INFO] running `Command { std: "docker" "start" "-a" "bdb456ee12a9d5030ddc4e04bc681c1ebc4d29f0213379ab918adf4457292711", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/material.rs:91:27
[INFO] [stdout]    |
[INFO] [stdout] 91 |     r0 + (1.0 - r0) * pow((1.0 - cosine), 5)
[INFO] [stdout]    |                           ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 91 -     r0 + (1.0 - r0) * pow((1.0 - cosine), 5)
[INFO] [stdout] 91 +     r0 + (1.0 - r0) * pow(1.0 - cosine, 5)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |     list: Vec<Box<Hitable + Sync + Send>>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     list: Vec<Box<Hitable + Sync + Send>>,
[INFO] [stdout] 32 +     list: Vec<Box<dyn Hitable + Sync + Send>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |     left: Arc<Hitable + Send + Sync>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     left: Arc<Hitable + Send + Sync>,
[INFO] [stdout] 16 +     left: Arc<dyn Hitable + Send + Sync>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     right: Arc<Hitable + Send + Sync>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     right: Arc<Hitable + Send + Sync>,
[INFO] [stdout] 17 +     right: Arc<dyn Hitable + Send + Sync>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/material.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 |         texture: Box<Texture + Send + Sync>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 -         texture: Box<Texture + Send + Sync>,
[INFO] [stdout] 66 +         texture: Box<dyn Texture + Send + Sync>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub odd: Box<Texture + Send + Sync>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 -     pub odd: Box<Texture + Send + Sync>,
[INFO] [stdout] 50 +     pub odd: Box<dyn Texture + Send + Sync>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub even: Box<Texture + Send + Sync>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 -     pub even: Box<Texture + Send + Sync>,
[INFO] [stdout] 51 +     pub even: Box<dyn Texture + Send + Sync>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/raytracer.rs:177:38
[INFO] [stdout]     |
[INFO] [stdout] 177 | fn colour(ray: &Ray3<f32>, hitable: &Hitable, depth: u32) -> Vector3<f32> {
[INFO] [stdout]     |                                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 177 - fn colour(ray: &Ray3<f32>, hitable: &Hitable, depth: u32) -> Vector3<f32> {
[INFO] [stdout] 177 + fn colour(ray: &Ray3<f32>, hitable: &dyn Hitable, depth: u32) -> Vector3<f32> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 | type ArcHitable = Arc<Hitable + Send + Sync>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 - type ArcHitable = Arc<Hitable + Send + Sync>;
[INFO] [stdout] 21 + type ArcHitable = Arc<dyn Hitable + Send + Sync>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn box_axis_compare(axis: usize) -> Box<Fn(&ArcHitable, &ArcHitable) -> Ordering> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 - fn box_axis_compare(axis: usize) -> Box<Fn(&ArcHitable, &ArcHitable) -> Ordering> {
[INFO] [stdout] 23 + fn box_axis_compare(axis: usize) -> Box<dyn Fn(&ArcHitable, &ArcHitable) -> Ordering> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Clone for Box<Texture + Send + Sync> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 - impl Clone for Box<Texture + Send + Sync> {
[INFO] [stdout] 18 + impl Clone for Box<dyn Texture + Send + Sync> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn box_clone(&self) -> Box<Texture + Send + Sync>;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 -     fn box_clone(&self) -> Box<Texture + Send + Sync>;
[INFO] [stdout] 15 +     fn box_clone(&self) -> Box<dyn Texture + Send + Sync>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout] 19 +     fn clone(&self) -> Box<dyn Texture + Send + Sync> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 -     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout] 41 +     fn box_clone(&self) -> Box<dyn Texture + Send + Sync> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 -     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stdout] 55 +     pub fn new(odd: Box<dyn Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:55:59
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 -     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stdout] 55 +     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<dyn Texture + Send + Sync>) -> Box<Self> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 75 -     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout] 75 +     fn box_clone(&self) -> Box<dyn Texture + Send + Sync> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/texture.rs:102:32
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 102 -     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stdout] 102 +     fn box_clone(&self) -> Box<dyn Texture + Send + Sync> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `timeutil::TimeUtil`
[INFO] [stdout]  --> src/sphere.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use timeutil::TimeUtil;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "bdb456ee12a9d5030ddc4e04bc681c1ebc4d29f0213379ab918adf4457292711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb456ee12a9d5030ddc4e04bc681c1ebc4d29f0213379ab918adf4457292711", kill_on_drop: false }`
[INFO] [stdout] bdb456ee12a9d5030ddc4e04bc681c1ebc4d29f0213379ab918adf4457292711
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 720e09d9d9eb21e2deaacbe8bb982b182c5635dcae88eec6164cf9245831cb9b
[INFO] running `Command { std: "docker" "start" "-a" "720e09d9d9eb21e2deaacbe8bb982b182c5635dcae88eec6164cf9245831cb9b", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/material.rs:91:27
[INFO] [stderr]    |
[INFO] [stderr] 91 |     r0 + (1.0 - r0) * pow((1.0 - cosine), 5)
[INFO] [stderr]    |                           ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 91 -     r0 + (1.0 - r0) * pow((1.0 - cosine), 5)
[INFO] [stderr] 91 +     r0 + (1.0 - r0) * pow(1.0 - cosine, 5)
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable.rs:32:19
[INFO] [stderr]    |
[INFO] [stderr] 32 |     list: Vec<Box<Hitable + Sync + Send>>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 32 -     list: Vec<Box<Hitable + Sync + Send>>,
[INFO] [stderr] 32 +     list: Vec<Box<dyn Hitable + Sync + Send>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 |     left: Arc<Hitable + Send + Sync>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 16 -     left: Arc<Hitable + Send + Sync>,
[INFO] [stderr] 16 +     left: Arc<dyn Hitable + Send + Sync>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 |     right: Arc<Hitable + Send + Sync>,
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 17 -     right: Arc<Hitable + Send + Sync>,
[INFO] [stderr] 17 +     right: Arc<dyn Hitable + Send + Sync>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/material.rs:66:22
[INFO] [stderr]    |
[INFO] [stderr] 66 |         texture: Box<Texture + Send + Sync>,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 66 -         texture: Box<Texture + Send + Sync>,
[INFO] [stderr] 66 +         texture: Box<dyn Texture + Send + Sync>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub odd: Box<Texture + Send + Sync>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 50 -     pub odd: Box<Texture + Send + Sync>,
[INFO] [stderr] 50 +     pub odd: Box<dyn Texture + Send + Sync>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:51:19
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub even: Box<Texture + Send + Sync>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 51 -     pub even: Box<Texture + Send + Sync>,
[INFO] [stderr] 51 +     pub even: Box<dyn Texture + Send + Sync>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raytracer.rs:177:38
[INFO] [stderr]     |
[INFO] [stderr] 177 | fn colour(ray: &Ray3<f32>, hitable: &Hitable, depth: u32) -> Vector3<f32> {
[INFO] [stderr]     |                                      ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 177 - fn colour(ray: &Ray3<f32>, hitable: &Hitable, depth: u32) -> Vector3<f32> {
[INFO] [stderr] 177 + fn colour(ray: &Ray3<f32>, hitable: &dyn Hitable, depth: u32) -> Vector3<f32> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:21:23
[INFO] [stderr]    |
[INFO] [stderr] 21 | type ArcHitable = Arc<Hitable + Send + Sync>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 21 - type ArcHitable = Arc<Hitable + Send + Sync>;
[INFO] [stderr] 21 + type ArcHitable = Arc<dyn Hitable + Send + Sync>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:23:41
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn box_axis_compare(axis: usize) -> Box<Fn(&ArcHitable, &ArcHitable) -> Ordering> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 23 - fn box_axis_compare(axis: usize) -> Box<Fn(&ArcHitable, &ArcHitable) -> Ordering> {
[INFO] [stderr] 23 + fn box_axis_compare(axis: usize) -> Box<dyn Fn(&ArcHitable, &ArcHitable) -> Ordering> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl Clone for Box<Texture + Send + Sync> {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 18 - impl Clone for Box<Texture + Send + Sync> {
[INFO] [stderr] 18 + impl Clone for Box<dyn Texture + Send + Sync> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:15:32
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn box_clone(&self) -> Box<Texture + Send + Sync>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 15 -     fn box_clone(&self) -> Box<Texture + Send + Sync>;
[INFO] [stderr] 15 +     fn box_clone(&self) -> Box<dyn Texture + Send + Sync>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 19 -     fn clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stderr] 19 +     fn clone(&self) -> Box<dyn Texture + Send + Sync> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 41 -     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stderr] 41 +     fn box_clone(&self) -> Box<dyn Texture + Send + Sync> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 55 -     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stderr] 55 +     pub fn new(odd: Box<dyn Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:55:59
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 55 -     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<Texture + Send + Sync>) -> Box<Self> {
[INFO] [stderr] 55 +     pub fn new(odd: Box<Texture + Send + Sync>, even: Box<dyn Texture + Send + Sync>) -> Box<Self> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 75 -     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stderr] 75 +     fn box_clone(&self) -> Box<dyn Texture + Send + Sync> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/texture.rs:102:32
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 102 -     fn box_clone(&self) -> Box<Texture + Send + Sync> {
[INFO] [stderr] 102 +     fn box_clone(&self) -> Box<dyn Texture + Send + Sync> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `timeutil::TimeUtil`
[INFO] [stderr]  --> src/sphere.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use timeutil::TimeUtil;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `raytracer` (bin "raytracer" test) generated 19 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/raytracer-e0b8f9713ad4e194)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test material::tests::option_clones ... ok
[INFO] [stdout] test timeutil::tests::as_millis_returns_number_of_milliseconds_sub_second ... ok
[INFO] [stdout] test timeutil::tests::as_millis_returns_number_of_milliseconds_super_second ... ok
[INFO] [stdout] test timeutil::tests::as_nanos_returns_number_of_milliseconds_sub_second ... ok
[INFO] [stdout] test timeutil::tests::as_nanos_returns_number_of_milliseconds_super_second ... ok
[INFO] [stdout] test timeutil::tests::mul_decimal_provides_sub_second_results ... ok
[INFO] [stdout] test timeutil::tests::mul_decimal_provides_super_second_results ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "720e09d9d9eb21e2deaacbe8bb982b182c5635dcae88eec6164cf9245831cb9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720e09d9d9eb21e2deaacbe8bb982b182c5635dcae88eec6164cf9245831cb9b", kill_on_drop: false }`
[INFO] [stdout] 720e09d9d9eb21e2deaacbe8bb982b182c5635dcae88eec6164cf9245831cb9b