[INFO] cloning repository https://github.com/Crystalsage/Spectra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Crystalsage/Spectra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrystalsage%2FSpectra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrystalsage%2FSpectra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 749a73878116a0a05cdee253f842a154f99490bc
[INFO] building Crystalsage/Spectra 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%2FCrystalsage%2FSpectra" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Crystalsage/Spectra 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/Crystalsage/Spectra
[INFO] finished tweaking git repo https://github.com/Crystalsage/Spectra
[INFO] tweaked toml for git repo https://github.com/Crystalsage/Spectra written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Crystalsage/Spectra 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] 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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ea3f2f1243a22f41af50205087cafe947cdf87a6b0bdd8c6f199e7fa17f2213
[INFO] running `Command { std: "docker" "start" "-a" "9ea3f2f1243a22f41af50205087cafe947cdf87a6b0bdd8c6f199e7fa17f2213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ea3f2f1243a22f41af50205087cafe947cdf87a6b0bdd8c6f199e7fa17f2213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea3f2f1243a22f41af50205087cafe947cdf87a6b0bdd8c6f199e7fa17f2213", kill_on_drop: false }`
[INFO] [stdout] 9ea3f2f1243a22f41af50205087cafe947cdf87a6b0bdd8c6f199e7fa17f2213
[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=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] ac2dbf448cba213db40e9d3230218916930e7378fb59931fc2d86d0c78b75a99
[INFO] running `Command { std: "docker" "start" "-a" "ac2dbf448cba213db40e9d3230218916930e7378fb59931fc2d86d0c78b75a99", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling getrandom v0.2.10
[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 spectra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::num::NonZeroU8`
[INFO] [stdout]  --> src/vector.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::NonZeroU8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::ControlFlow`
[INFO] [stdout]  --> src/vector.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::ControlFlow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `focal_length`
[INFO] [stdout]   --> src/camera.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let focal_length = 1.0;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_focal_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fuzz`
[INFO] [stdout]   --> src/material.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let fuzz = match f < 1.0 {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_fuzz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:52:37
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn scatter_lambertian(c: Color, r_in: &Ray, rec: &HitRecord, attentuation: &mut Color, scattered: &mut Ray) -> bool {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersects_sphere` is never used
[INFO] [stdout]   --> src/color.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn intersects_sphere(center: Point3, radius: f64, ray: &Ray) -> f64  {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/image_writer.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Image {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn default() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/hittable.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<T: Hittable> Hittables<T> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn clear(self: &mut Self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INFINITY` is never used
[INFO] [stdout]  --> src/utility.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const INFINITY: f64 = f64::INFINITY;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `u`, `v`, `w`, and `lens_radius` are never read
[INFO] [stdout]   --> src/camera.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct Camera {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9  |     u: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 10 |     v: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     lens_radius: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> src/material.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl MaterialType {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 19 |     fn new(self: Self) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "ac2dbf448cba213db40e9d3230218916930e7378fb59931fc2d86d0c78b75a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2dbf448cba213db40e9d3230218916930e7378fb59931fc2d86d0c78b75a99", kill_on_drop: false }`
[INFO] [stdout] ac2dbf448cba213db40e9d3230218916930e7378fb59931fc2d86d0c78b75a99
[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=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] c2840f2fff1a65a1a1f12793b965311a67f4fb9e1096450a966c0d47a271227a
[INFO] running `Command { std: "docker" "start" "-a" "c2840f2fff1a65a1a1f12793b965311a67f4fb9e1096450a966c0d47a271227a", kill_on_drop: false }`
[INFO] [stderr]    Compiling spectra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::num::NonZeroU8`
[INFO] [stdout]  --> src/vector.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::NonZeroU8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::ControlFlow`
[INFO] [stdout]  --> src/vector.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::ControlFlow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `focal_length`
[INFO] [stdout]   --> src/camera.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let focal_length = 1.0;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_focal_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fuzz`
[INFO] [stdout]   --> src/material.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let fuzz = match f < 1.0 {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_fuzz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:52:37
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn scatter_lambertian(c: Color, r_in: &Ray, rec: &HitRecord, attentuation: &mut Color, scattered: &mut Ray) -> bool {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersects_sphere` is never used
[INFO] [stdout]   --> src/color.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn intersects_sphere(center: Point3, radius: f64, ray: &Ray) -> f64  {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/image_writer.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Image {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn default() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_image_write` is never used
[INFO] [stdout]   --> src/image_writer.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn test_image_write() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/hittable.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<T: Hittable> Hittables<T> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn clear(self: &mut Self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INFINITY` is never used
[INFO] [stdout]  --> src/utility.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const INFINITY: f64 = f64::INFINITY;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `u`, `v`, `w`, and `lens_radius` are never read
[INFO] [stdout]   --> src/camera.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct Camera {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9  |     u: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 10 |     v: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     lens_radius: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> src/material.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl MaterialType {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 19 |     fn new(self: Self) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "c2840f2fff1a65a1a1f12793b965311a67f4fb9e1096450a966c0d47a271227a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2840f2fff1a65a1a1f12793b965311a67f4fb9e1096450a966c0d47a271227a", kill_on_drop: false }`
[INFO] [stdout] c2840f2fff1a65a1a1f12793b965311a67f4fb9e1096450a966c0d47a271227a