[INFO] fetching crate ray_tracing_in_one_weekend 0.1.0...
[INFO] testing ray_tracing_in_one_weekend-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate ray_tracing_in_one_weekend 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ray_tracing_in_one_weekend 0.1.0
[INFO] finished tweaking crates.io crate ray_tracing_in_one_weekend 0.1.0
[INFO] tweaked toml for crates.io crate ray_tracing_in_one_weekend 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ray_tracing_in_one_weekend 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ray_tracing_in_one_weekend 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dca5cec69632b6871952eb9fa91025e5a8947826e6ebfa85f39214aae6ba4b83
[INFO] running `Command { std: "docker" "start" "-a" "dca5cec69632b6871952eb9fa91025e5a8947826e6ebfa85f39214aae6ba4b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dca5cec69632b6871952eb9fa91025e5a8947826e6ebfa85f39214aae6ba4b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca5cec69632b6871952eb9fa91025e5a8947826e6ebfa85f39214aae6ba4b83", kill_on_drop: false }`
[INFO] [stdout] dca5cec69632b6871952eb9fa91025e5a8947826e6ebfa85f39214aae6ba4b83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6b35ed56564eeb7261df839133a4c1eb28823364194e09cb27cbb76709170da
[INFO] running `Command { std: "docker" "start" "-a" "a6b35ed56564eeb7261df839133a4c1eb28823364194e09cb27cbb76709170da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling ray_tracing_in_one_weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "a6b35ed56564eeb7261df839133a4c1eb28823364194e09cb27cbb76709170da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b35ed56564eeb7261df839133a4c1eb28823364194e09cb27cbb76709170da", kill_on_drop: false }`
[INFO] [stdout] a6b35ed56564eeb7261df839133a4c1eb28823364194e09cb27cbb76709170da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 399801d2003632d06f4aa9bf449e88823fcc98ec5dc898122f41d1a21b97b1b2
[INFO] running `Command { std: "docker" "start" "-a" "399801d2003632d06f4aa9bf449e88823fcc98ec5dc898122f41d1a21b97b1b2", kill_on_drop: false }`
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ray_tracing_in_one_weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `ray_tracing_in_one_weekend` (example "chapter-11") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ray_tracing_in_one_weekend` (example "chapter-4") due to 1 previous error
[INFO] [stdout] error[E0061]: this function takes 7 arguments but 5 arguments were supplied
[INFO] [stdout]   --> examples/chapter-11.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 41 |       let cam = Camera::new(
[INFO] [stdout]    |  _______________^^^^^^^^^^^-
[INFO] [stdout] 42 | |         Point3::new((-2., 2., 1.)),
[INFO] [stdout] 43 | |         Point3::new((0., 0., -1.)),
[INFO] [stdout] 44 | |         Vec3::new((0., 1., 0.)),
[INFO] [stdout] 45 | |         20.,
[INFO] [stdout] 46 | |         ASPECT_RATIO
[INFO] [stdout] 47 | |     );
[INFO] [stdout]    | |_____- two arguments of type `f64` and `f64` are missing
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/camera.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] help: provide the arguments
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let cam = Camera::new(
[INFO] [stdout] ...
[INFO] [stdout] 50 |         20.,
[INFO] [stdout] 51 ~         ASPECT_RATIO,
[INFO] [stdout] 52 +         /* f64 */,
[INFO] [stdout] 53 +         /* f64 */,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]   --> examples/chapter-8.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     world.add(Rc::new(RefCell::new(Sphere::new(Point3::new((0.,0.,-1.)), 0.5))));
[INFO] [stdout]    |                                    ^^^^^^^^^^^------------------------------- argument #3 of type `Rc<RefCell<(dyn Material + 'static)>>` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/hittable.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new(center: Point3, radius: f64, mat_ptr: Rc<RefCell<dyn Material>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 12 |     world.add(Rc::new(RefCell::new(Sphere::new(Point3::new((0.,0.,-1.)), 0.5, /* Rc<RefCell<(dyn Material + 'static)>> */))));
[INFO] [stdout]    |                                                                             +++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]   --> examples/chapter-8.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 |     world.add(Rc::new(RefCell::new(Sphere::new(Point3::new((0.,-100.5,-1.)), 100.))));
[INFO] [stdout]    |                                    ^^^^^^^^^^^------------------------------------ argument #3 of type `Rc<RefCell<(dyn Material + 'static)>>` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/hittable.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new(center: Point3, radius: f64, mat_ptr: Rc<RefCell<dyn Material>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 13 |     world.add(Rc::new(RefCell::new(Sphere::new(Point3::new((0.,-100.5,-1.)), 100., /* Rc<RefCell<(dyn Material + 'static)>> */))));
[INFO] [stdout]    |                                                                                  +++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 0 arguments were supplied
[INFO] [stdout]   --> examples/chapter-4.rs:29:30
[INFO] [stdout]    |
[INFO] [stdout] 29 |             println!("{}", r.ray_color());
[INFO] [stdout]    |                              ^^^^^^^^^-- two arguments of type `&dyn Hittable` and `isize` are missing
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/ray.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn ray_color(&self, world: &dyn Hittable, depth: isize) -> Color {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] help: provide the arguments
[INFO] [stdout]    |
[INFO] [stdout] 29 |             println!("{}", r.ray_color(/* &dyn Hittable */, /* isize */));
[INFO] [stdout]    |                                        ++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]   --> examples/chapter-7.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     world.add(Rc::new(RefCell::new(Sphere::new(Point3::new((0.,0.,-1.)), 0.5))));
[INFO] [stdout]    |                                    ^^^^^^^^^^^------------------------------- argument #3 of type `Rc<RefCell<(dyn Material + 'static)>>` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/hittable.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new(center: Point3, radius: f64, mat_ptr: Rc<RefCell<dyn Material>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 11 |     world.add(Rc::new(RefCell::new(Sphere::new(Point3::new((0.,0.,-1.)), 0.5, /* Rc<RefCell<(dyn Material + 'static)>> */))));
[INFO] [stdout]    |                                                                             +++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]   --> examples/chapter-7.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     world.add(Rc::new(RefCell::new(Sphere::new(Point3::new((0.,-100.5,-1.)), 100.))));
[INFO] [stdout]    |                                    ^^^^^^^^^^^------------------------------------ argument #3 of type `Rc<RefCell<(dyn Material + 'static)>>` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/hittable.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new(center: Point3, radius: f64, mat_ptr: Rc<RefCell<dyn Material>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 12 |     world.add(Rc::new(RefCell::new(Sphere::new(Point3::new((0.,-100.5,-1.)), 100., /* Rc<RefCell<(dyn Material + 'static)>> */))));
[INFO] [stdout]    |                                                                                  +++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ray_tracing_in_one_weekend` (example "chapter-8") due to 2 previous errors
[INFO] [stderr] error: could not compile `ray_tracing_in_one_weekend` (example "chapter-7") due to 3 previous errors
[INFO] [stderr] error: could not compile `ray_tracing_in_one_weekend` (example "chapter-6") due to 3 previous errors
[INFO] [stdout] warning: unused imports: `fmt` and `ops`
[INFO] [stdout]  --> examples/chapter-3.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt, ops};
[INFO] [stdout]   |           ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> examples/chapter-7.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 pixel_color += r.ray_color(&world);
[INFO] [stdout]    |                                  ^^^^^^^^^-------- argument #2 of type `isize` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/ray.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn ray_color(&self, world: &dyn Hittable, depth: isize) -> Color {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 pixel_color += r.ray_color(&world, /* isize */);
[INFO] [stdout]    |                                                  +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]   --> examples/chapter-6.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     world.add(Rc::new(RefCell::new(Sphere::new(Point3::new((0.,0.,-1.)), 0.5))));
[INFO] [stdout]    |                                    ^^^^^^^^^^^------------------------------- argument #3 of type `Rc<RefCell<(dyn Material + 'static)>>` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/hittable.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new(center: Point3, radius: f64, mat_ptr: Rc<RefCell<dyn Material>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 11 |     world.add(Rc::new(RefCell::new(Sphere::new(Point3::new((0.,0.,-1.)), 0.5, /* Rc<RefCell<(dyn Material + 'static)>> */))));
[INFO] [stdout]    |                                                                             +++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]   --> examples/chapter-6.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     world.add(Rc::new(RefCell::new(Sphere::new(Point3::new((0.,-100.5,-1.)), 100.))));
[INFO] [stdout]    |                                    ^^^^^^^^^^^------------------------------------ argument #3 of type `Rc<RefCell<(dyn Material + 'static)>>` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/hittable.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new(center: Point3, radius: f64, mat_ptr: Rc<RefCell<dyn Material>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 12 |     world.add(Rc::new(RefCell::new(Sphere::new(Point3::new((0.,-100.5,-1.)), 100., /* Rc<RefCell<(dyn Material + 'static)>> */))));
[INFO] [stdout]    |                                                                                  +++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> examples/chapter-6.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |             println!("{}", r.ray_color(&world));
[INFO] [stdout]    |                              ^^^^^^^^^-------- argument #2 of type `isize` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/ray.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn ray_color(&self, world: &dyn Hittable, depth: isize) -> Color {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 35 |             println!("{}", r.ray_color(&world, /* isize */));
[INFO] [stdout]    |                                              +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 0 arguments were supplied
[INFO] [stdout]   --> examples/chapter-5.rs:29:30
[INFO] [stdout]    |
[INFO] [stdout] 29 |             println!("{}", r.ray_color());
[INFO] [stdout]    |                              ^^^^^^^^^-- two arguments of type `&dyn Hittable` and `isize` are missing
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/ray.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn ray_color(&self, world: &dyn Hittable, depth: isize) -> Color {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] help: provide the arguments
[INFO] [stdout]    |
[INFO] [stdout] 29 |             println!("{}", r.ray_color(/* &dyn Hittable */, /* isize */));
[INFO] [stdout]    |                                        ++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ray_tracing_in_one_weekend` (example "chapter-5") due to 1 previous error
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "399801d2003632d06f4aa9bf449e88823fcc98ec5dc898122f41d1a21b97b1b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "399801d2003632d06f4aa9bf449e88823fcc98ec5dc898122f41d1a21b97b1b2", kill_on_drop: false }`
[INFO] [stdout] 399801d2003632d06f4aa9bf449e88823fcc98ec5dc898122f41d1a21b97b1b2
