[INFO] cloning repository https://github.com/Tombleron/RayMarcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tombleron/RayMarcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTombleron%2FRayMarcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTombleron%2FRayMarcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af79b2f37f3714d5867f50db8ac91256dd8310b9
[INFO] checking Tombleron/RayMarcher against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTombleron%2FRayMarcher" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tombleron/RayMarcher on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tombleron/RayMarcher
[INFO] finished tweaking git repo https://github.com/Tombleron/RayMarcher
[INFO] tweaked toml for git repo https://github.com/Tombleron/RayMarcher written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Tombleron/RayMarcher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dee195e5f674ee5d5ab6f228b0fc8c4f3023e427ae08117ec79a3ec8e67cd0b0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dee195e5f674ee5d5ab6f228b0fc8c4f3023e427ae08117ec79a3ec8e67cd0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dee195e5f674ee5d5ab6f228b0fc8c4f3023e427ae08117ec79a3ec8e67cd0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee195e5f674ee5d5ab6f228b0fc8c4f3023e427ae08117ec79a3ec8e67cd0b0", kill_on_drop: false }`
[INFO] [stdout] dee195e5f674ee5d5ab6f228b0fc8c4f3023e427ae08117ec79a3ec8e67cd0b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54febb95bc43e465a067c3fce898ac77b8f78835e8c990578be4737a129fc3d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "54febb95bc43e465a067c3fce898ac77b8f78835e8c990578be4737a129fc3d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking png v0.16.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.23.3
[INFO] [stderr]     Checking raytrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Pixel`
[INFO] [stdout]  --> src/main.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use image::{RgbImage, Pixel};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]    --> src/scene.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         for step in 0..step_number {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pixel`
[INFO] [stdout]  --> src/main.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use image::{RgbImage, Pixel};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/linear.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut sum = self.x * other.x +
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/scene.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut normal = self.calculate_normal(start_position);
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fov`
[INFO] [stdout]  --> src/scene.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fov: f64,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `time`
[INFO] [stdout]   --> src/scene.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     time: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_sphere`
[INFO] [stdout]   --> src/scene.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn push_sphere(&mut self, sphere: Sphere) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]    --> src/scene.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         for step in 0..step_number {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/linear.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut sum = self.x * other.x +
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/scene.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut normal = self.calculate_normal(start_position);
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fov`
[INFO] [stdout]  --> src/scene.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fov: f64,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `time`
[INFO] [stdout]   --> src/scene.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     time: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_sphere`
[INFO] [stdout]   --> src/scene.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn push_sphere(&mut self, sphere: Sphere) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.03s
[INFO] running `Command { std: "docker" "inspect" "54febb95bc43e465a067c3fce898ac77b8f78835e8c990578be4737a129fc3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54febb95bc43e465a067c3fce898ac77b8f78835e8c990578be4737a129fc3d2", kill_on_drop: false }`
[INFO] [stdout] 54febb95bc43e465a067c3fce898ac77b8f78835e8c990578be4737a129fc3d2
