[INFO] cloning repository https://github.com/erikdesjardins/ray-tracing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erikdesjardins/ray-tracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikdesjardins%2Fray-tracing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikdesjardins%2Fray-tracing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fd98a40f48b90ed12c91f0da3e98dbe7c01e89c
[INFO] fixing erikdesjardins/ray-tracing against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikdesjardins%2Fray-tracing" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/erikdesjardins/ray-tracing
[INFO] finished tweaking git repo https://github.com/erikdesjardins/ray-tracing
[INFO] tweaked toml for git repo https://github.com/erikdesjardins/ray-tracing written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/erikdesjardins/ray-tracing on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/erikdesjardins/ray-tracing 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ad23aff592d3d998fa5038e65e617d6afadef1ec4e4e90e580ff6938c694ccfe
[INFO] running `Command { std: "docker" "start" "ad23aff592d3d998fa5038e65e617d6afadef1ec4e4e90e580ff6938c694ccfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ad23aff592d3d998fa5038e65e617d6afadef1ec4e4e90e580ff6938c694ccfe" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad23aff592d3d998fa5038e65e617d6afadef1ec4e4e90e580ff6938c694ccfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ad23aff592d3d998fa5038e65e617d6afadef1ec4e4e90e580ff6938c694ccfe" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ray-tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stdout] warning: `impl Hittable` will capture more lifetimes than possibly intended in edition 2024
[INFO] [stdout]    --> src/main.rs:107:40
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds
[INFO] [stdout]    --> src/main.rs:107:22
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout]     |                      ^
[INFO] [stdout]     = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024
[INFO] [stdout] note: you could use a `use<...>` bound to explicitly specify captures, but argument-position `impl Trait`s are not nameable
[INFO] [stdout]    --> src/main.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/rpit-lifetime-capture.html>
[INFO] [stdout]     = note: `--force-warn impl-trait-overcaptures` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit
[INFO] [stdout]     |
[INFO] [stdout] 107 - fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout] 107 + fn random_scene<T: Rng>(rng: &mut T) -> impl Hittable + use<T> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `impl Hittable` will capture more lifetimes than possibly intended in edition 2024
[INFO] [stdout]    --> src/main.rs:107:40
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds
[INFO] [stdout]    --> src/main.rs:107:22
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout]     |                      ^
[INFO] [stdout]     = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024
[INFO] [stdout] note: you could use a `use<...>` bound to explicitly specify captures, but argument-position `impl Trait`s are not nameable
[INFO] [stdout]    --> src/main.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/rpit-lifetime-capture.html>
[INFO] [stdout]     = note: `--force-warn impl-trait-overcaptures` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit
[INFO] [stdout]     |
[INFO] [stdout] 107 - fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout] 107 + fn random_scene<T: Rng>(rng: &mut T) -> impl Hittable + use<T> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.77s
[INFO] [stderr] crater-edition-check: ray-tracing v0.1.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking ray-tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0499]: cannot borrow `rng` as mutable more than once at a time
[INFO] [stdout]    --> src/main.rs:85:37
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                              -------- first mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout]  85 |                 let s = (i as f32 + rng.sample::<f32, _>(Standard)) / nx as f32;
[INFO] [stdout]     |                                     ^^^ second mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout]  88 |                 col += color(&mut rng, &r, &world, 0);
[INFO] [stdout]     |                                            ------ first borrow later used here
[INFO] [stdout]     |
[INFO] [stdout] note: this call may capture more lifetimes than intended, because Rust 2024 has adjusted the `impl Trait` lifetime capture rules
[INFO] [stdout]    --> src/main.rs:65:17
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: you could use a `use<...>` bound to explicitly specify captures, but argument-position `impl Trait`s are not nameable
[INFO] [stdout]    --> src/main.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit
[INFO] [stdout]     |
[INFO] [stdout] 107 - fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout] 107 + fn random_scene<T: Rng>(rng: &mut T) -> impl Hittable + use<T> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `rng` as mutable more than once at a time
[INFO] [stdout]    --> src/main.rs:86:37
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                              -------- first mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout]  86 |                 let t = (j as f32 + rng.sample::<f32, _>(Standard)) / ny as f32;
[INFO] [stdout]     |                                     ^^^ second mutable borrow occurs here
[INFO] [stdout]  87 |                 let r = cam.get_ray(&mut rng, s, t);
[INFO] [stdout]  88 |                 col += color(&mut rng, &r, &world, 0);
[INFO] [stdout]     |                                            ------ first borrow later used here
[INFO] [stdout]     |
[INFO] [stdout] note: this call may capture more lifetimes than intended, because Rust 2024 has adjusted the `impl Trait` lifetime capture rules
[INFO] [stdout]    --> src/main.rs:65:17
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: you could use a `use<...>` bound to explicitly specify captures, but argument-position `impl Trait`s are not nameable
[INFO] [stdout]    --> src/main.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit
[INFO] [stdout]     |
[INFO] [stdout] 107 - fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout] 107 + fn random_scene<T: Rng>(rng: &mut T) -> impl Hittable + use<T> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `rng` as mutable more than once at a time
[INFO] [stdout]    --> src/main.rs:87:37
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                              -------- first mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout]  87 |                 let r = cam.get_ray(&mut rng, s, t);
[INFO] [stdout]     |                                     ^^^^^^^^ second mutable borrow occurs here
[INFO] [stdout]  88 |                 col += color(&mut rng, &r, &world, 0);
[INFO] [stdout]     |                                            ------ first borrow later used here
[INFO] [stdout]     |
[INFO] [stdout] note: this call may capture more lifetimes than intended, because Rust 2024 has adjusted the `impl Trait` lifetime capture rules
[INFO] [stdout]    --> src/main.rs:65:17
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: you could use a `use<...>` bound to explicitly specify captures, but argument-position `impl Trait`s are not nameable
[INFO] [stdout]    --> src/main.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit
[INFO] [stdout]     |
[INFO] [stdout] 107 - fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout] 107 + fn random_scene<T: Rng>(rng: &mut T) -> impl Hittable + use<T> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `rng` as mutable more than once at a time
[INFO] [stdout]    --> src/main.rs:88:30
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                              -------- first mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout]  88 |                 col += color(&mut rng, &r, &world, 0);
[INFO] [stdout]     |                              ^^^^^^^^      ------ first borrow later used here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              second mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout] note: this call may capture more lifetimes than intended, because Rust 2024 has adjusted the `impl Trait` lifetime capture rules
[INFO] [stdout]    --> src/main.rs:65:17
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: you could use a `use<...>` bound to explicitly specify captures, but argument-position `impl Trait`s are not nameable
[INFO] [stdout]    --> src/main.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit
[INFO] [stdout]     |
[INFO] [stdout] 107 - fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout] 107 + fn random_scene<T: Rng>(rng: &mut T) -> impl Hittable + use<T> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ray-tracing` (bin "ray-tracing" test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0499]: cannot borrow `rng` as mutable more than once at a time
[INFO] [stdout]    --> src/main.rs:85:37
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                              -------- first mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout]  85 |                 let s = (i as f32 + rng.sample::<f32, _>(Standard)) / nx as f32;
[INFO] [stdout]     |                                     ^^^ second mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout]  88 |                 col += color(&mut rng, &r, &world, 0);
[INFO] [stdout]     |                                            ------ first borrow later used here
[INFO] [stdout]     |
[INFO] [stdout] note: this call may capture more lifetimes than intended, because Rust 2024 has adjusted the `impl Trait` lifetime capture rules
[INFO] [stdout]    --> src/main.rs:65:17
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: you could use a `use<...>` bound to explicitly specify captures, but argument-position `impl Trait`s are not nameable
[INFO] [stdout]    --> src/main.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit
[INFO] [stdout]     |
[INFO] [stdout] 107 - fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout] 107 + fn random_scene<T: Rng>(rng: &mut T) -> impl Hittable + use<T> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `rng` as mutable more than once at a time
[INFO] [stdout]    --> src/main.rs:86:37
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                              -------- first mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout]  86 |                 let t = (j as f32 + rng.sample::<f32, _>(Standard)) / ny as f32;
[INFO] [stdout]     |                                     ^^^ second mutable borrow occurs here
[INFO] [stdout]  87 |                 let r = cam.get_ray(&mut rng, s, t);
[INFO] [stdout]  88 |                 col += color(&mut rng, &r, &world, 0);
[INFO] [stdout]     |                                            ------ first borrow later used here
[INFO] [stdout]     |
[INFO] [stdout] note: this call may capture more lifetimes than intended, because Rust 2024 has adjusted the `impl Trait` lifetime capture rules
[INFO] [stdout]    --> src/main.rs:65:17
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: you could use a `use<...>` bound to explicitly specify captures, but argument-position `impl Trait`s are not nameable
[INFO] [stdout]    --> src/main.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit
[INFO] [stdout]     |
[INFO] [stdout] 107 - fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout] 107 + fn random_scene<T: Rng>(rng: &mut T) -> impl Hittable + use<T> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `rng` as mutable more than once at a time
[INFO] [stdout]    --> src/main.rs:87:37
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                              -------- first mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout]  87 |                 let r = cam.get_ray(&mut rng, s, t);
[INFO] [stdout]     |                                     ^^^^^^^^ second mutable borrow occurs here
[INFO] [stdout]  88 |                 col += color(&mut rng, &r, &world, 0);
[INFO] [stdout]     |                                            ------ first borrow later used here
[INFO] [stdout]     |
[INFO] [stdout] note: this call may capture more lifetimes than intended, because Rust 2024 has adjusted the `impl Trait` lifetime capture rules
[INFO] [stdout]    --> src/main.rs:65:17
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: you could use a `use<...>` bound to explicitly specify captures, but argument-position `impl Trait`s are not nameable
[INFO] [stdout]    --> src/main.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit
[INFO] [stdout]     |
[INFO] [stdout] 107 - fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout] 107 + fn random_scene<T: Rng>(rng: &mut T) -> impl Hittable + use<T> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `rng` as mutable more than once at a time
[INFO] [stdout]    --> src/main.rs:88:30
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                              -------- first mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout]  88 |                 col += color(&mut rng, &r, &world, 0);
[INFO] [stdout]     |                              ^^^^^^^^      ------ first borrow later used here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              second mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout] note: this call may capture more lifetimes than intended, because Rust 2024 has adjusted the `impl Trait` lifetime capture rules
[INFO] [stdout]    --> src/main.rs:65:17
[INFO] [stdout]     |
[INFO] [stdout]  65 |     let world = random_scene(&mut rng);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: you could use a `use<...>` bound to explicitly specify captures, but argument-position `impl Trait`s are not nameable
[INFO] [stdout]    --> src/main.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit
[INFO] [stdout]     |
[INFO] [stdout] 107 - fn random_scene(rng: &mut impl Rng) -> impl Hittable {
[INFO] [stdout] 107 + fn random_scene<T: Rng>(rng: &mut T) -> impl Hittable + use<T> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ray-tracing` (bin "ray-tracing") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "ad23aff592d3d998fa5038e65e617d6afadef1ec4e4e90e580ff6938c694ccfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad23aff592d3d998fa5038e65e617d6afadef1ec4e4e90e580ff6938c694ccfe", kill_on_drop: false }`
[INFO] [stdout] ad23aff592d3d998fa5038e65e617d6afadef1ec4e4e90e580ff6938c694ccfe
