[INFO] cloning repository https://github.com/pearisgreen/ray_marcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pearisgreen/ray_marcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpearisgreen%2Fray_marcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpearisgreen%2Fray_marcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95894b9a4b57e34f8ca7070a125e3de1172a7695
[INFO] checking pearisgreen/ray_marcher against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpearisgreen%2Fray_marcher" "/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/pearisgreen/ray_marcher on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pearisgreen/ray_marcher
[INFO] finished tweaking git repo https://github.com/pearisgreen/ray_marcher
[INFO] tweaked toml for git repo https://github.com/pearisgreen/ray_marcher written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/pearisgreen/ray_marcher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffd193158238993a0a504ed6037e8077d52ad70b759d7b79164606f002f038f6
[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" "ffd193158238993a0a504ed6037e8077d52ad70b759d7b79164606f002f038f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffd193158238993a0a504ed6037e8077d52ad70b759d7b79164606f002f038f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd193158238993a0a504ed6037e8077d52ad70b759d7b79164606f002f038f6", kill_on_drop: false }`
[INFO] [stdout] ffd193158238993a0a504ed6037e8077d52ad70b759d7b79164606f002f038f6
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24c0e1ca3c0650b40b6e54897ff08f38a4fcd4f513e98368844c837500446fee
[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" "24c0e1ca3c0650b40b6e54897ff08f38a4fcd4f513e98368844c837500446fee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking nix v0.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking pistoncore-input v0.24.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking piston2d-graphics v0.30.0
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking wayland-sys v0.21.12
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]     Checking pistoncore-window v0.37.0
[INFO] [stderr]     Checking piston-ai_behavior v0.27.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.42.0
[INFO] [stderr]     Checking piston2d-sprite v0.50.0
[INFO] [stderr]     Checking piston v0.42.0
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking wayland-commons v0.21.12
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.5
[INFO] [stderr]     Checking piston-gfx_texture v0.35.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.56.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.5
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.54.0
[INFO] [stderr]     Checking piston_window v0.89.0
[INFO] [stderr]     Checking ray_marcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub type ObjectManager = Vec<Box<Draw>>;
[INFO] [stdout]    |                                  ^^^^ help: use `dyn`: `dyn Draw`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub type ObjectManager = Vec<Box<Draw>>;
[INFO] [stdout]    |                                  ^^^^ help: use `dyn`: `dyn Draw`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp` is never read
[INFO] [stdout]   --> src/scene.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut temp: f64 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut c = im::ImageBuffer::new(CANVAS_WIDTH, CANVAS_HEIGHT);
[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: associated function is never used: `point`
[INFO] [stdout]   --> src/geometry.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn point(&self) -> Point {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `norm_square`
[INFO] [stdout]   --> src/geometry.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn norm_square(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dot`
[INFO] [stdout]   --> src/geometry.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn dot(v1: Vector, v2: Vector) -> f64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vec`
[INFO] [stdout]   --> src/geometry.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn vec(&self) -> Vector {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `distance`
[INFO] [stdout]   --> src/geometry.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn distance(p1: &Point, p2: &Point) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `distance_square`
[INFO] [stdout]   --> src/geometry.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn distance_square(p1: &Point, p2: &Point) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLACK_DIST`
[INFO] [stdout]  --> src/scene.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const BLACK_DIST: f64 = 100.0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp` is never read
[INFO] [stdout]   --> src/scene.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut temp: f64 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut c = im::ImageBuffer::new(CANVAS_WIDTH, CANVAS_HEIGHT);
[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: associated function is never used: `point`
[INFO] [stdout]   --> src/geometry.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn point(&self) -> Point {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `norm_square`
[INFO] [stdout]   --> src/geometry.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn norm_square(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dot`
[INFO] [stdout]   --> src/geometry.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn dot(v1: Vector, v2: Vector) -> f64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vec`
[INFO] [stdout]   --> src/geometry.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn vec(&self) -> Vector {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `distance`
[INFO] [stdout]   --> src/geometry.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn distance(p1: &Point, p2: &Point) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `distance_square`
[INFO] [stdout]   --> src/geometry.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn distance_square(p1: &Point, p2: &Point) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLACK_DIST`
[INFO] [stdout]  --> src/scene.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const BLACK_DIST: f64 = 100.0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "24c0e1ca3c0650b40b6e54897ff08f38a4fcd4f513e98368844c837500446fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c0e1ca3c0650b40b6e54897ff08f38a4fcd4f513e98368844c837500446fee", kill_on_drop: false }`
[INFO] [stdout] 24c0e1ca3c0650b40b6e54897ff08f38a4fcd4f513e98368844c837500446fee