[INFO] cloning repository https://github.com/daboehme/raytracer-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daboehme/raytracer-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaboehme%2Fraytracer-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaboehme%2Fraytracer-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb004e548c88947215be23633ee82c7d1257d338
[INFO] checking daboehme/raytracer-challenge against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaboehme%2Fraytracer-challenge" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daboehme/raytracer-challenge on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daboehme/raytracer-challenge
[INFO] finished tweaking git repo https://github.com/daboehme/raytracer-challenge
[INFO] tweaked toml for git repo https://github.com/daboehme/raytracer-challenge written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding deflate v0.8.6 (latest: v1.0.0)
[INFO] [stderr]       Adding float-cmp v0.8.0 (latest: v0.9.0)
[INFO] [stderr]       Adding gif v0.11.4 (latest: v0.13.1)
[INFO] [stderr]       Adding image v0.23.14 (latest: v0.25.1)
[INFO] [stderr]       Adding jpeg-decoder v0.1.22 (latest: v0.3.1)
[INFO] [stderr]       Adding miniz_oxide v0.3.7 (latest: v0.7.2)
[INFO] [stderr]       Adding miniz_oxide v0.4.4 (latest: v0.7.2)
[INFO] [stderr]       Adding num-rational v0.3.2 (latest: v0.4.1)
[INFO] [stderr]       Adding png v0.16.8 (latest: v0.17.13)
[INFO] [stderr]       Adding tiff v0.6.1 (latest: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af850cf90d84e0debbb756009ed7d4a85e9dcb194cb4f00231b821cdf5efe908
[INFO] running `Command { std: "docker" "start" "-a" "af850cf90d84e0debbb756009ed7d4a85e9dcb194cb4f00231b821cdf5efe908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af850cf90d84e0debbb756009ed7d4a85e9dcb194cb4f00231b821cdf5efe908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af850cf90d84e0debbb756009ed7d4a85e9dcb194cb4f00231b821cdf5efe908", kill_on_drop: false }`
[INFO] [stdout] af850cf90d84e0debbb756009ed7d4a85e9dcb194cb4f00231b821cdf5efe908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55757cf6465d45ece118e9af2391e3701bc9c5223cfa0ae685c01ee6c64261d7
[INFO] running `Command { std: "docker" "start" "-a" "55757cf6465d45ece118e9af2391e3701bc9c5223cfa0ae685c01ee6c64261d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking raytracer-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]  --> src/camera.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use image;
[INFO] [stdout]   |     ^^^^^ the item `image` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/color.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsMut` is imported redundantly
[INFO] [stdout]  --> src/linalg.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{AsMut,AsRef,From};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsMut` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]  --> src/linalg.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{AsMut,AsRef,From};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsRef` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/linalg.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{AsMut,AsRef,From};
[INFO] [stdout]   |                                ^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shape::BaseShape`
[INFO] [stdout]  --> src/mesh.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::shape::BaseShape;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]  --> src/camera.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use image;
[INFO] [stdout]   |     ^^^^^ the item `image` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/color.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `V4` is imported redundantly
[INFO] [stdout]   --> src/cube.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use super::*;
[INFO] [stdout]    |         -------- the item `V4` is already imported here
[INFO] [stdout] 60 |
[INFO] [stdout] 61 |     use crate::linalg::V4;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `V4` is imported redundantly
[INFO] [stdout]    --> src/cylinder.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     use super::*;
[INFO] [stdout]     |         -------- the item `V4` is already imported here
[INFO] [stdout] 109 |
[INFO] [stdout] 110 |     use crate::linalg::V4;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsMut` is imported redundantly
[INFO] [stdout]  --> src/linalg.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{AsMut,AsRef,From};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsMut` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]  --> src/linalg.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{AsMut,AsRef,From};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsRef` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/linalg.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{AsMut,AsRef,From};
[INFO] [stdout]   |                                ^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::color::Color`
[INFO] [stdout]   --> src/mesh.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     use crate::color::Color;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Material`, `Texture`
[INFO] [stdout]    --> src/mesh.rs:100:27
[INFO] [stdout]     |
[INFO] [stdout] 100 |     use crate::material::{Material,Texture};
[INFO] [stdout]     |                           ^^^^^^^^ ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `M4`
[INFO] [stdout]    --> src/mesh.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 101 |     use crate::linalg::{M4,V4};
[INFO] [stdout]     |                         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `V4` is imported redundantly
[INFO] [stdout]    --> src/mesh.rs:101:28
[INFO] [stdout]     |
[INFO] [stdout] 98  |     use super::*;
[INFO] [stdout]     |         -------- the item `V4` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 101 |     use crate::linalg::{M4,V4};
[INFO] [stdout]     |                            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transform::Transform`
[INFO] [stdout]    --> src/mesh.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     use crate::transform::Transform;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shape::Shape`
[INFO] [stdout]    --> src/mesh.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     use crate::shape::Shape;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `float_cmp::*`
[INFO] [stdout]    --> src/mesh.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     use float_cmp::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `V4` is imported redundantly
[INFO] [stdout]   --> src/plane.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use super::*;
[INFO] [stdout]    |         -------- the item `V4` is already imported here
[INFO] [stdout] 24 |
[INFO] [stdout] 25 |     use crate::linalg::V4;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `V4` is imported redundantly
[INFO] [stdout]   --> src/sphere.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |     use super::*;
[INFO] [stdout]    |         -------- the item `V4` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 39 |     use crate::linalg::{M4,V4};
[INFO] [stdout]    |                            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `V4` is imported redundantly
[INFO] [stdout]    --> src/world.rs:218:28
[INFO] [stdout]     |
[INFO] [stdout] 218 |     use crate::linalg::{M4,V4};
[INFO] [stdout]     |                            ^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |     use super::*;
[INFO] [stdout]     |         -------- the item `V4` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shape::BaseShape`
[INFO] [stdout]  --> src/mesh.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::shape::BaseShape;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.45s
[INFO] running `Command { std: "docker" "inspect" "55757cf6465d45ece118e9af2391e3701bc9c5223cfa0ae685c01ee6c64261d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55757cf6465d45ece118e9af2391e3701bc9c5223cfa0ae685c01ee6c64261d7", kill_on_drop: false }`
[INFO] [stdout] 55757cf6465d45ece118e9af2391e3701bc9c5223cfa0ae685c01ee6c64261d7