[INFO] cloning repository https://github.com/PhictionalOne/raytracing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhictionalOne/raytracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhictionalOne%2Fraytracing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhictionalOne%2Fraytracing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e83cb52c9d83bcb4ee8eb41111b518a2485d680
[INFO] building PhictionalOne/raytracing 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%2FPhictionalOne%2Fraytracing" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PhictionalOne/raytracing 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/PhictionalOne/raytracing
[INFO] finished tweaking git repo https://github.com/PhictionalOne/raytracing
[INFO] tweaked toml for git repo https://github.com/PhictionalOne/raytracing written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PhictionalOne/raytracing 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fd127a4d71e9682232a02c870fee5eb31b3c883758e004280f5b0d482e9b4525
[INFO] running `Command { std: "docker" "start" "-a" "fd127a4d71e9682232a02c870fee5eb31b3c883758e004280f5b0d482e9b4525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd127a4d71e9682232a02c870fee5eb31b3c883758e004280f5b0d482e9b4525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd127a4d71e9682232a02c870fee5eb31b3c883758e004280f5b0d482e9b4525", kill_on_drop: false }`
[INFO] [stdout] fd127a4d71e9682232a02c870fee5eb31b3c883758e004280f5b0d482e9b4525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 993c9b23e14fd1232b013485784d5e25e0fc5a634456dc5d79dd38c5575c56c4
[INFO] running `Command { std: "docker" "start" "-a" "993c9b23e14fd1232b013485784d5e25e0fc5a634456dc5d79dd38c5575c56c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `EMPTY` and `UNIVERSE`
[INFO] [stdout]  --> src/camera.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::interval::{Interval, EMPTY, UNIVERSE};
[INFO] [stdout]   |                                 ^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EMPTY` and `UNIVERSE`
[INFO] [stdout]  --> src/hittable.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::interval::{Interval, EMPTY, UNIVERSE};
[INFO] [stdout]   |                                 ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Point3D` and `Vector3D`
[INFO] [stdout]   --> src/hittable.rs:98:27
[INFO] [stdout]    |
[INFO] [stdout] 98 |     use crate::vector3d::{Point3D, Vector3D};
[INFO] [stdout]    |                           ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `camera::Camera`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use camera::Camera;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hittable::hittables::*`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use hittable::hittables::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hittable::sphere::*`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hittable::sphere::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector3d::*`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use vector3d::*;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]    --> src/camera.rs:190:21
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 for sample in 0..self.samples_per_pixel {
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `pixel_Δu` should have a snake case name
[INFO] [stdout]   --> src/camera.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pixel_Δu: Vector3D,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `pixel_δu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `pixel_Δv` should have a snake case name
[INFO] [stdout]   --> src/camera.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pixel_Δv: Vector3D,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `pixel_δv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "993c9b23e14fd1232b013485784d5e25e0fc5a634456dc5d79dd38c5575c56c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "993c9b23e14fd1232b013485784d5e25e0fc5a634456dc5d79dd38c5575c56c4", kill_on_drop: false }`
[INFO] [stdout] 993c9b23e14fd1232b013485784d5e25e0fc5a634456dc5d79dd38c5575c56c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5a731fd94d7a55f4e791eccfc311d6dddb663e3b8fc2673f5f1ca28b53a94b5d
[INFO] running `Command { std: "docker" "start" "-a" "5a731fd94d7a55f4e791eccfc311d6dddb663e3b8fc2673f5f1ca28b53a94b5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `EMPTY` and `UNIVERSE`
[INFO] [stdout]  --> src/camera.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::interval::{Interval, EMPTY, UNIVERSE};
[INFO] [stdout]   |                                 ^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EMPTY` and `UNIVERSE`
[INFO] [stdout]  --> src/hittable.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::interval::{Interval, EMPTY, UNIVERSE};
[INFO] [stdout]   |                                 ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Point3D` and `Vector3D`
[INFO] [stdout]   --> src/hittable.rs:98:27
[INFO] [stdout]    |
[INFO] [stdout] 98 |     use crate::vector3d::{Point3D, Vector3D};
[INFO] [stdout]    |                           ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `camera::Camera`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use camera::Camera;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hittable::hittables::*`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use hittable::hittables::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hittable::sphere::*`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hittable::sphere::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector3d::*`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use vector3d::*;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]    --> src/camera.rs:190:21
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 for sample in 0..self.samples_per_pixel {
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `pixel_Δu` should have a snake case name
[INFO] [stdout]   --> src/camera.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pixel_Δu: Vector3D,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `pixel_δu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `pixel_Δv` should have a snake case name
[INFO] [stdout]   --> src/camera.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pixel_Δv: Vector3D,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `pixel_δv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EMPTY` and `UNIVERSE`
[INFO] [stdout]  --> src/camera.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::interval::{Interval, EMPTY, UNIVERSE};
[INFO] [stdout]   |                                 ^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EMPTY` and `UNIVERSE`
[INFO] [stdout]  --> src/hittable.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::interval::{Interval, EMPTY, UNIVERSE};
[INFO] [stdout]   |                                 ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Point3D` and `Vector3D`
[INFO] [stdout]   --> src/hittable.rs:98:27
[INFO] [stdout]    |
[INFO] [stdout] 98 |     use crate::vector3d::{Point3D, Vector3D};
[INFO] [stdout]    |                           ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `camera::Camera`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use camera::Camera;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hittable::hittables::*`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use hittable::hittables::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hittable::sphere::*`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hittable::sphere::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector3d::*`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use vector3d::*;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]    --> src/camera.rs:190:21
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 for sample in 0..self.samples_per_pixel {
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rw`
[INFO] [stdout]    --> src/vector3d.rs:420:13
[INFO] [stdout]     |
[INFO] [stdout] 420 |         let rw = Vector3D::random_within(0.0, 100.0);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_rw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `pixel_Δu` should have a snake case name
[INFO] [stdout]   --> src/camera.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pixel_Δu: Vector3D,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `pixel_δu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `pixel_Δv` should have a snake case name
[INFO] [stdout]   --> src/camera.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pixel_Δv: Vector3D,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `pixel_δv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "5a731fd94d7a55f4e791eccfc311d6dddb663e3b8fc2673f5f1ca28b53a94b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a731fd94d7a55f4e791eccfc311d6dddb663e3b8fc2673f5f1ca28b53a94b5d", kill_on_drop: false }`
[INFO] [stdout] 5a731fd94d7a55f4e791eccfc311d6dddb663e3b8fc2673f5f1ca28b53a94b5d