[INFO] cloning repository https://github.com/kylestach/rust-trace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kylestach/rust-trace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylestach%2Frust-trace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylestach%2Frust-trace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5be1edd86d2183555c210a2a2b0f9c4ae7bf98dd
[INFO] testing kylestach/rust-trace against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylestach%2Frust-trace" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kylestach/rust-trace 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/kylestach/rust-trace
[INFO] finished tweaking git repo https://github.com/kylestach/rust-trace
[INFO] tweaked toml for git repo https://github.com/kylestach/rust-trace written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/kylestach/rust-trace 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flate2 v0.2.14
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] dfe2740bd729ff9ee46ae63af67ec6780636e41b87f560038b8c018d6357260a
[INFO] running `Command { std: "docker" "start" "-a" "dfe2740bd729ff9ee46ae63af67ec6780636e41b87f560038b8c018d6357260a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfe2740bd729ff9ee46ae63af67ec6780636e41b87f560038b8c018d6357260a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe2740bd729ff9ee46ae63af67ec6780636e41b87f560038b8c018d6357260a", kill_on_drop: false }`
[INFO] [stdout] dfe2740bd729ff9ee46ae63af67ec6780636e41b87f560038b8c018d6357260a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 785fcec649e96c5ddad551306b8ddbda5e51140ab3b3a6efb12710ed717425f8
[INFO] running `Command { std: "docker" "start" "-a" "785fcec649e96c5ddad551306b8ddbda5e51140ab3b3a6efb12710ed717425f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling gif v0.9.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling flate2 v0.2.14
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling jpeg-decoder v0.1.10
[INFO] [stderr]    Compiling enum_primitive v0.1.0
[INFO] [stderr]    Compiling nalgebra v0.10.1
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling raytracingv2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Div`
[INFO] [stdout]  --> src/raytracing/color.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Add, Sub, Mul, Div};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracing/trace.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     object: &'a Box<Trace>,
[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] 18 -     object: &'a Box<Trace>,
[INFO] [stdout] 18 +     object: &'a Box<dyn Trace>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracing/scene.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub objects: Vec<Box<Trace>>,
[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] 10 -     pub objects: Vec<Box<Trace>>,
[INFO] [stdout] 10 +     pub objects: Vec<Box<dyn Trace>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/raytracing/shapes/sphere.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub material: Box<Material>,
[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] 8 -     pub material: Box<Material>,
[INFO] [stdout] 8 +     pub material: Box<dyn Material>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracing/trace.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn material<'a>(&'a self) -> &'a Box<Material>;
[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] 13 -     fn material<'a>(&'a self) -> &'a Box<Material>;
[INFO] [stdout] 13 +     fn material<'a>(&'a self) -> &'a Box<dyn Material>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracing/shapes/sphere.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn material<'a>(&'a self) -> &'a Box<Material> {
[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] 12 -     fn material<'a>(&'a self) -> &'a Box<Material> {
[INFO] [stdout] 12 +     fn material<'a>(&'a self) -> &'a Box<dyn Material> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/raytracing/render.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     image.save(Path::new("test.png"));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.45s
[INFO] running `Command { std: "docker" "inspect" "785fcec649e96c5ddad551306b8ddbda5e51140ab3b3a6efb12710ed717425f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785fcec649e96c5ddad551306b8ddbda5e51140ab3b3a6efb12710ed717425f8", kill_on_drop: false }`
[INFO] [stdout] 785fcec649e96c5ddad551306b8ddbda5e51140ab3b3a6efb12710ed717425f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 4f410ed55ddfc081e0d227255bb97dec9173f9c779e293baa862c62f4c2eb0c0
[INFO] running `Command { std: "docker" "start" "-a" "4f410ed55ddfc081e0d227255bb97dec9173f9c779e293baa862c62f4c2eb0c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracingv2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Div`
[INFO] [stdout]  --> src/raytracing/color.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Add, Sub, Mul, Div};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracing/trace.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     object: &'a Box<Trace>,
[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] 18 -     object: &'a Box<Trace>,
[INFO] [stdout] 18 +     object: &'a Box<dyn Trace>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracing/scene.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub objects: Vec<Box<Trace>>,
[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] 10 -     pub objects: Vec<Box<Trace>>,
[INFO] [stdout] 10 +     pub objects: Vec<Box<dyn Trace>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/raytracing/shapes/sphere.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub material: Box<Material>,
[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] 8 -     pub material: Box<Material>,
[INFO] [stdout] 8 +     pub material: Box<dyn Material>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracing/trace.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn material<'a>(&'a self) -> &'a Box<Material>;
[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] 13 -     fn material<'a>(&'a self) -> &'a Box<Material>;
[INFO] [stdout] 13 +     fn material<'a>(&'a self) -> &'a Box<dyn Material>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracing/shapes/sphere.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn material<'a>(&'a self) -> &'a Box<Material> {
[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] 12 -     fn material<'a>(&'a self) -> &'a Box<Material> {
[INFO] [stdout] 12 +     fn material<'a>(&'a self) -> &'a Box<dyn Material> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/raytracing/render.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     image.save(Path::new("test.png"));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "4f410ed55ddfc081e0d227255bb97dec9173f9c779e293baa862c62f4c2eb0c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f410ed55ddfc081e0d227255bb97dec9173f9c779e293baa862c62f4c2eb0c0", kill_on_drop: false }`
[INFO] [stdout] 4f410ed55ddfc081e0d227255bb97dec9173f9c779e293baa862c62f4c2eb0c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] b1df095f052955d9c6a124b77b2dd800af3546628397204a95d43a90d8f52556
[INFO] running `Command { std: "docker" "start" "-a" "b1df095f052955d9c6a124b77b2dd800af3546628397204a95d43a90d8f52556", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `Div`
[INFO] [stderr]  --> src/raytracing/color.rs:2:31
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ops::{Add, Sub, Mul, Div};
[INFO] [stderr]   |                               ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/raytracing/trace.rs:18:21
[INFO] [stderr]    |
[INFO] [stderr] 18 |     object: &'a Box<Trace>,
[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] 18 -     object: &'a Box<Trace>,
[INFO] [stderr] 18 +     object: &'a Box<dyn Trace>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/raytracing/scene.rs:10:26
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub objects: Vec<Box<Trace>>,
[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] 10 -     pub objects: Vec<Box<Trace>>,
[INFO] [stderr] 10 +     pub objects: Vec<Box<dyn Trace>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/raytracing/shapes/sphere.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub material: Box<Material>,
[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] 8 -     pub material: Box<Material>,
[INFO] [stderr] 8 +     pub material: Box<dyn Material>,
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/raytracing/trace.rs:13:42
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn material<'a>(&'a self) -> &'a Box<Material>;
[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] 13 -     fn material<'a>(&'a self) -> &'a Box<Material>;
[INFO] [stderr] 13 +     fn material<'a>(&'a self) -> &'a Box<dyn Material>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/raytracing/shapes/sphere.rs:12:42
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn material<'a>(&'a self) -> &'a Box<Material> {
[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] 12 -     fn material<'a>(&'a self) -> &'a Box<Material> {
[INFO] [stderr] 12 +     fn material<'a>(&'a self) -> &'a Box<dyn Material> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/raytracing/render.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     image.save(Path::new("test.png"));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `raytracingv2` (bin "raytracingv2" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/raytracingv2-96412c1d7c0acbdb)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test raytracing::shapes::sphere::tests::intersect_inside ... ok
[INFO] [stdout] test raytracing::shapes::sphere::tests::intersect_scaled ... ok
[INFO] [stdout] test raytracing::camera::tests::camera_orthagonalization ... ok
[INFO] [stdout] test raytracing::shapes::sphere::tests::intersect_translated ... ok
[INFO] [stdout] test raytracing::shapes::sphere::tests::no_intersect_behind ... ok
[INFO] [stdout] test raytracing::shapes::sphere::tests::no_intersect_miss ... ok
[INFO] [stdout] test raytracing::shapes::sphere::tests::simple_intersect ... ok
[INFO] [stdout] test raytracing::camera::tests::camera_init ... ok
[INFO] [stdout] test raytracing::camera::tests::fov_components ... ok
[INFO] [stdout] test raytracing::camera::tests::camera_rays ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b1df095f052955d9c6a124b77b2dd800af3546628397204a95d43a90d8f52556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1df095f052955d9c6a124b77b2dd800af3546628397204a95d43a90d8f52556", kill_on_drop: false }`
[INFO] [stdout] b1df095f052955d9c6a124b77b2dd800af3546628397204a95d43a90d8f52556