[INFO] cloning repository https://github.com/kilork/abctracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kilork/abctracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkilork%2Fabctracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkilork%2Fabctracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96f8d00996bbd6e5d056b13a1c2753114e70bc77
[INFO] checking kilork/abctracer against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkilork%2Fabctracer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kilork/abctracer
[INFO] finished tweaking git repo https://github.com/kilork/abctracer
[INFO] tweaked toml for git repo https://github.com/kilork/abctracer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kilork/abctracer on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kilork/abctracer 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ab24bb1ee8cc8d8647087a75a2dbfe935e898a5f24456fd9df5ce9864435e0f
[INFO] running `Command { std: "docker" "start" "-a" "0ab24bb1ee8cc8d8647087a75a2dbfe935e898a5f24456fd9df5ce9864435e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ab24bb1ee8cc8d8647087a75a2dbfe935e898a5f24456fd9df5ce9864435e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ab24bb1ee8cc8d8647087a75a2dbfe935e898a5f24456fd9df5ce9864435e0f", kill_on_drop: false }`
[INFO] [stdout] 0ab24bb1ee8cc8d8647087a75a2dbfe935e898a5f24456fd9df5ce9864435e0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd619ea569b6b4511b6519fb9c390f0f09b2c4a3f98a89d8b40f1fa5b838352e
[INFO] running `Command { std: "docker" "start" "-a" "cd619ea569b6b4511b6519fb9c390f0f09b2c4a3f98a89d8b40f1fa5b838352e", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking abctracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0642]: parameters can't have complex patterns in associated functions in traits in Rust 2015
[INFO] [stdout]   --> src/tracer.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         &p: &Vector,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout] help: give this parameter a name or use an underscore to ignore it
[INFO] [stdout]    |
[INFO] [stdout] 10 -         &p: &Vector,
[INFO] [stdout] 10 +         _: &Vector,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0642]: parameters can't have complex patterns in associated functions in traits in Rust 2015
[INFO] [stdout]   --> src/tracer.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         &p: &Vector,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout] help: give this parameter a name or use an underscore to ignore it
[INFO] [stdout]    |
[INFO] [stdout] 10 -         &p: &Vector,
[INFO] [stdout] 10 +         _: &Vector,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `p` in this scope
[INFO] [stdout]   --> src/tracer.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut ray = Ray::new(p, *l); // shadow ray
[INFO] [stdout]    |                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 16 -         let mut ray = Ray::new(p, *l); // shadow ray
[INFO] [stdout] 16 +         let mut ray = Ray::new(l, *l); // shadow ray
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `p` in this scope
[INFO] [stdout]   --> src/tracer.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut ray = Ray::new(p, *l); // shadow ray
[INFO] [stdout]    |                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 16 -         let mut ray = Ray::new(p, *l); // shadow ray
[INFO] [stdout] 16 +         let mut ray = Ray::new(l, *l); // shadow ray
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environment.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     lights: Vec<&'a LightSource>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     lights: Vec<&'a dyn LightSource>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environment.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |     solids: Vec<&'a GObject>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     solids: Vec<&'a dyn GObject>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environment.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     lights: Vec<&'a LightSource>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     lights: Vec<&'a dyn LightSource>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environment.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |     solids: Vec<&'a GObject>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     solids: Vec<&'a dyn GObject>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environment.rs:54:44
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn add_solid(&mut self, solid: &'a GObject) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn add_solid(&mut self, solid: &'a dyn GObject) {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environment.rs:58:44
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn add_light(&mut self, light: &'a LightSource) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn add_light(&mut self, light: &'a dyn LightSource) {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environment.rs:62:71
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn intersect(&self, ray: &Ray, distance: &mut f64) -> Option<&GObject> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn intersect(&self, ray: &Ray, distance: &mut f64) -> Option<&dyn GObject> {
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/environment.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 |         solid: &GObject,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 143 |         solid: &dyn GObject,
[INFO] [stdout]     |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/mod.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     backend: &mut RenderBackend,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     backend: &mut dyn RenderBackend,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/mod.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     backend: &mut RenderBackend,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |     backend: &mut dyn RenderBackend,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/render/mod.rs:111:19
[INFO] [stdout]     |
[INFO] [stdout] 111 |     backend: &mut RenderBackend,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 111 |     backend: &mut dyn RenderBackend,
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environment.rs:54:44
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn add_solid(&mut self, solid: &'a GObject) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn add_solid(&mut self, solid: &'a dyn GObject) {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environment.rs:58:44
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn add_light(&mut self, light: &'a LightSource) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn add_light(&mut self, light: &'a dyn LightSource) {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environment.rs:62:71
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn intersect(&self, ray: &Ray, distance: &mut f64) -> Option<&GObject> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn intersect(&self, ray: &Ray, distance: &mut f64) -> Option<&dyn GObject> {
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/environment.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 |         solid: &GObject,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 143 |         solid: &dyn GObject,
[INFO] [stdout]     |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/mod.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     backend: &mut RenderBackend,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     backend: &mut dyn RenderBackend,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/mod.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     backend: &mut RenderBackend,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |     backend: &mut dyn RenderBackend,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/render/mod.rs:111:19
[INFO] [stdout]     |
[INFO] [stdout] 111 |     backend: &mut RenderBackend,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 111 |     backend: &mut dyn RenderBackend,
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/vector.rs:584:13
[INFO] [stdout]     |
[INFO] [stdout] 584 |         let mut v = Vector {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/geometry/plane.rs:55:27
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn find_normal(&self, p: &Vector) -> Vector {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/geometry/plane.rs:55:27
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn find_normal(&self, p: &Vector) -> Vector {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/geometry/rect.rs:67:27
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn find_normal(&self, p: &Vector) -> Vector {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/geometry/rect.rs:67:27
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn find_normal(&self, p: &Vector) -> Vector {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray`
[INFO] [stdout]   --> src/environment.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn shade_background(&self, ray: &Ray) -> Color {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray`
[INFO] [stdout]   --> src/environment.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn shade_background(&self, ray: &Ray) -> Color {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `abctracer` (lib) due to 2 previous errors; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `abctracer` (lib test) due to 2 previous errors; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cd619ea569b6b4511b6519fb9c390f0f09b2c4a3f98a89d8b40f1fa5b838352e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd619ea569b6b4511b6519fb9c390f0f09b2c4a3f98a89d8b40f1fa5b838352e", kill_on_drop: false }`
[INFO] [stdout] cd619ea569b6b4511b6519fb9c390f0f09b2c4a3f98a89d8b40f1fa5b838352e
