[INFO] cloning repository https://github.com/samlittlewood/rustrace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samlittlewood/rustrace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamlittlewood%2Frustrace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamlittlewood%2Frustrace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c24aae583c9278a43870994df8eeaad461ec3d3
[INFO] testing samlittlewood/rustrace against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamlittlewood%2Frustrace" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samlittlewood/rustrace on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samlittlewood/rustrace
[INFO] finished tweaking git repo https://github.com/samlittlewood/rustrace
[INFO] tweaked toml for git repo https://github.com/samlittlewood/rustrace written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/samlittlewood/rustrace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddfdfc3ac6aa8086c787358fe818c798bdb945f67117f4cd57c8ef0b493e7b95
[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" "ddfdfc3ac6aa8086c787358fe818c798bdb945f67117f4cd57c8ef0b493e7b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddfdfc3ac6aa8086c787358fe818c798bdb945f67117f4cd57c8ef0b493e7b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddfdfc3ac6aa8086c787358fe818c798bdb945f67117f4cd57c8ef0b493e7b95", kill_on_drop: false }`
[INFO] [stdout] ddfdfc3ac6aa8086c787358fe818c798bdb945f67117f4cd57c8ef0b493e7b95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8cb61e2a23e04fc79b1b06b5b395bcc08701698fac45f737a414f13d802d7abc
[INFO] running `Command { std: "docker" "start" "-a" "8cb61e2a23e04fc79b1b06b5b395bcc08701698fac45f737a414f13d802d7abc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/material.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub m: &'a Box<Material>
[INFO] [stdout]    |                    ^^^^^^^^ help: use `dyn`: `dyn Material`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/material.rs:14:57
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(nt: f32, np: Vec3, nn: Vec3, mm: &'a Box<Material>) -> Hit<'a> { Hit { t:nt, p:np, n:nn, m:mm } }
[INFO] [stdout]    |                                                         ^^^^^^^^ help: use `dyn`: `dyn Material`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |     material: Box<Material>
[INFO] [stdout]    |                   ^^^^^^^^ help: use `dyn`: `dyn Material`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:18:39
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(c: Vec3, r: f32, m:Box<Material>) -> Sphere { Sphere { centre:c, radius:r, material:m} }
[INFO] [stdout]    |                                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |     list: Vec<Box<Hitable>>
[INFO] [stdout]    |                   ^^^^^^^ help: use `dyn`: `dyn Hitable`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn new(l:Vec<Box<Hitable>>) -> HitableList { HitableList { list:l } }
[INFO] [stdout]    |                          ^^^^^^^ help: use `dyn`: `dyn Hitable`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:52:35
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn push(&mut self, h: Box<Hitable>) { self.list.push(h); }
[INFO] [stdout]    |                                   ^^^^^^^ help: use `dyn`: `dyn Hitable`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:187:28
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn colour(r: &Ray, world: &Hitable, depth: i32) -> Vec3 {
[INFO] [stdout]     |                            ^^^^^^^ help: use `dyn`: `dyn Hitable`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "8cb61e2a23e04fc79b1b06b5b395bcc08701698fac45f737a414f13d802d7abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cb61e2a23e04fc79b1b06b5b395bcc08701698fac45f737a414f13d802d7abc", kill_on_drop: false }`
[INFO] [stdout] 8cb61e2a23e04fc79b1b06b5b395bcc08701698fac45f737a414f13d802d7abc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df82ea2db56d05de1d0132aa7000134b4f4853f6022eefb16bac3c2c1ee1a0a0
[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" "df82ea2db56d05de1d0132aa7000134b4f4853f6022eefb16bac3c2c1ee1a0a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/material.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub m: &'a Box<Material>
[INFO] [stdout]    |                    ^^^^^^^^ help: use `dyn`: `dyn Material`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/material.rs:14:57
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(nt: f32, np: Vec3, nn: Vec3, mm: &'a Box<Material>) -> Hit<'a> { Hit { t:nt, p:np, n:nn, m:mm } }
[INFO] [stdout]    |                                                         ^^^^^^^^ help: use `dyn`: `dyn Material`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |     material: Box<Material>
[INFO] [stdout]    |                   ^^^^^^^^ help: use `dyn`: `dyn Material`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:18:39
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(c: Vec3, r: f32, m:Box<Material>) -> Sphere { Sphere { centre:c, radius:r, material:m} }
[INFO] [stdout]    |                                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |     list: Vec<Box<Hitable>>
[INFO] [stdout]    |                   ^^^^^^^ help: use `dyn`: `dyn Hitable`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn new(l:Vec<Box<Hitable>>) -> HitableList { HitableList { list:l } }
[INFO] [stdout]    |                          ^^^^^^^ help: use `dyn`: `dyn Hitable`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:52:35
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn push(&mut self, h: Box<Hitable>) { self.list.push(h); }
[INFO] [stdout]    |                                   ^^^^^^^ help: use `dyn`: `dyn Hitable`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:187:28
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn colour(r: &Ray, world: &Hitable, depth: i32) -> Vec3 {
[INFO] [stdout]     |                            ^^^^^^^ help: use `dyn`: `dyn Hitable`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "df82ea2db56d05de1d0132aa7000134b4f4853f6022eefb16bac3c2c1ee1a0a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df82ea2db56d05de1d0132aa7000134b4f4853f6022eefb16bac3c2c1ee1a0a0", kill_on_drop: false }`
[INFO] [stdout] df82ea2db56d05de1d0132aa7000134b4f4853f6022eefb16bac3c2c1ee1a0a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99e25c0a1a10461981aa3d4140463e6e7a7860e27752e0e5d9f5599b1c905c73
[INFO] running `Command { std: "docker" "start" "-a" "99e25c0a1a10461981aa3d4140463e6e7a7860e27752e0e5d9f5599b1c905c73", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/material.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub m: &'a Box<Material>
[INFO] [stderr]    |                    ^^^^^^^^ help: use `dyn`: `dyn Material`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/material.rs:14:57
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(nt: f32, np: Vec3, nn: Vec3, mm: &'a Box<Material>) -> Hit<'a> { Hit { t:nt, p:np, n:nn, m:mm } }
[INFO] [stderr]    |                                                         ^^^^^^^^ help: use `dyn`: `dyn Material`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 |     material: Box<Material>
[INFO] [stderr]    |                   ^^^^^^^^ help: use `dyn`: `dyn Material`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable.rs:18:39
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(c: Vec3, r: f32, m:Box<Material>) -> Sphere { Sphere { centre:c, radius:r, material:m} }
[INFO] [stderr]    |                                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable.rs:47:19
[INFO] [stderr]    |
[INFO] [stderr] 47 |     list: Vec<Box<Hitable>>
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn Hitable`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn new(l:Vec<Box<Hitable>>) -> HitableList { HitableList { list:l } }
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn Hitable`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable.rs:52:35
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn push(&mut self, h: Box<Hitable>) { self.list.push(h); }
[INFO] [stderr]    |                                   ^^^^^^^ help: use `dyn`: `dyn Hitable`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:187:28
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn colour(r: &Ray, world: &Hitable, depth: i32) -> Vec3 {
[INFO] [stderr]     |                            ^^^^^^^ help: use `dyn`: `dyn Hitable`
[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] 
[INFO] [stderr] warning: `rustrace` (bin "rustrace" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustrace-d686b3e56e9c078d)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99e25c0a1a10461981aa3d4140463e6e7a7860e27752e0e5d9f5599b1c905c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e25c0a1a10461981aa3d4140463e6e7a7860e27752e0e5d9f5599b1c905c73", kill_on_drop: false }`
[INFO] [stdout] 99e25c0a1a10461981aa3d4140463e6e7a7860e27752e0e5d9f5599b1c905c73