[INFO] cloning repository https://github.com/jplusequalt/ray-tracer-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jplusequalt/ray-tracer-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjplusequalt%2Fray-tracer-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjplusequalt%2Fray-tracer-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 585bd93026223d58137b155670977fb2fd0df8c3
[INFO] building jplusequalt/ray-tracer-rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjplusequalt%2Fray-tracer-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jplusequalt/ray-tracer-rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jplusequalt/ray-tracer-rust
[INFO] finished tweaking git repo https://github.com/jplusequalt/ray-tracer-rust
[INFO] tweaked toml for git repo https://github.com/jplusequalt/ray-tracer-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jplusequalt/ray-tracer-rust 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a5551764fd1320455d4e0e13534db69974500bb4fb9e8aba74bc6b98891f7d7
[INFO] running `Command { std: "docker" "start" "-a" "7a5551764fd1320455d4e0e13534db69974500bb4fb9e8aba74bc6b98891f7d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a5551764fd1320455d4e0e13534db69974500bb4fb9e8aba74bc6b98891f7d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5551764fd1320455d4e0e13534db69974500bb4fb9e8aba74bc6b98891f7d7", kill_on_drop: false }`
[INFO] [stdout] 7a5551764fd1320455d4e0e13534db69974500bb4fb9e8aba74bc6b98891f7d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 221d75e7e1459f856778a99b96bd3cc992b0cd2eef347fc19c81306511be08ba
[INFO] running `Command { std: "docker" "start" "-a" "221d75e7e1459f856778a99b96bd3cc992b0cd2eef347fc19c81306511be08ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::lambertian::Lambertian`
[INFO] [stdout]  --> src/hitrecord/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lambertian::Lambertian;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::types::Color`
[INFO] [stdout]  --> src/hitrecord/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::utils::types::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::types::Color`
[INFO] [stdout]  --> src/utils/_utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::types::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hitrecord::HitRecord`
[INFO] [stdout]  --> src/utils/_utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::hitrecord::HitRecord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hittable::Hittable`
[INFO] [stdout]  --> src/utils/_utils.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::hittable::Hittable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ray::Ray`
[INFO] [stdout]  --> src/utils/_utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::ray::Ray;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vec3::Vec3`
[INFO] [stdout]  --> src/utils/_utils.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vec3::Vec3;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/lambertian/mod.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn scatter(&self, r: &Ray, rec: &HitRecord, attenuation: &mut Color, scattered: &mut Ray) -> bool {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `u`, `v`, `w`, and `lens_radius` are never read
[INFO] [stdout]   --> src/camera/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Camera {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub u: Vec3,
[INFO] [stdout]    |         ^
[INFO] [stdout] 12 |     pub v: Vec3,
[INFO] [stdout]    |         ^
[INFO] [stdout] 13 |     pub w: Vec3,
[INFO] [stdout]    |         ^
[INFO] [stdout] 14 |     pub lens_radius: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/hitrecord/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl HitRecord {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn from(p: Point, normal: Vec3, t: f64, front_face: bool, material: MaterialObject) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/hittable/mod.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<T: Hittable> HittableList<T> {
[INFO] [stdout]    | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `random_in_hemispere` is never used
[INFO] [stdout]   --> src/vec3/mod.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Vec3 {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn random_in_hemispere(normal: &Self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "221d75e7e1459f856778a99b96bd3cc992b0cd2eef347fc19c81306511be08ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221d75e7e1459f856778a99b96bd3cc992b0cd2eef347fc19c81306511be08ba", kill_on_drop: false }`
[INFO] [stdout] 221d75e7e1459f856778a99b96bd3cc992b0cd2eef347fc19c81306511be08ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7741a48b1ecf3cca837ee6c13301c5effa6d20577f5803b2115b66306362d40f
[INFO] running `Command { std: "docker" "start" "-a" "7741a48b1ecf3cca837ee6c13301c5effa6d20577f5803b2115b66306362d40f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::lambertian::Lambertian`
[INFO] [stdout]  --> src/hitrecord/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lambertian::Lambertian;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::types::Color`
[INFO] [stdout]  --> src/hitrecord/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::utils::types::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::types::Color`
[INFO] [stdout]  --> src/utils/_utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::types::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hitrecord::HitRecord`
[INFO] [stdout]  --> src/utils/_utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::hitrecord::HitRecord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hittable::Hittable`
[INFO] [stdout]  --> src/utils/_utils.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::hittable::Hittable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ray::Ray`
[INFO] [stdout]  --> src/utils/_utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::ray::Ray;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vec3::Vec3`
[INFO] [stdout]  --> src/utils/_utils.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vec3::Vec3;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/lambertian/mod.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn scatter(&self, r: &Ray, rec: &HitRecord, attenuation: &mut Color, scattered: &mut Ray) -> bool {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `u`, `v`, `w`, and `lens_radius` are never read
[INFO] [stdout]   --> src/camera/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Camera {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub u: Vec3,
[INFO] [stdout]    |         ^
[INFO] [stdout] 12 |     pub v: Vec3,
[INFO] [stdout]    |         ^
[INFO] [stdout] 13 |     pub w: Vec3,
[INFO] [stdout]    |         ^
[INFO] [stdout] 14 |     pub lens_radius: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/hitrecord/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl HitRecord {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn from(p: Point, normal: Vec3, t: f64, front_face: bool, material: MaterialObject) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/hittable/mod.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<T: Hittable> HittableList<T> {
[INFO] [stdout]    | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `random_in_hemispere` is never used
[INFO] [stdout]   --> src/vec3/mod.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Vec3 {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn random_in_hemispere(normal: &Self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "7741a48b1ecf3cca837ee6c13301c5effa6d20577f5803b2115b66306362d40f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7741a48b1ecf3cca837ee6c13301c5effa6d20577f5803b2115b66306362d40f", kill_on_drop: false }`
[INFO] [stdout] 7741a48b1ecf3cca837ee6c13301c5effa6d20577f5803b2115b66306362d40f