[INFO] cloning repository https://github.com/kingeta/triangle_tracing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kingeta/triangle_tracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkingeta%2Ftriangle_tracing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkingeta%2Ftriangle_tracing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd2905d56fbbbfe18b1e622c2d3cdea7330c1531
[INFO] checking kingeta/triangle_tracing against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkingeta%2Ftriangle_tracing" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kingeta/triangle_tracing on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kingeta/triangle_tracing
[INFO] finished tweaking git repo https://github.com/kingeta/triangle_tracing
[INFO] tweaked toml for git repo https://github.com/kingeta/triangle_tracing written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/kingeta/triangle_tracing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f7be3726e1f6d200141e7e0a97eb98b5fd481ab701cf0d151b88620d0c01bf1
[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" "0f7be3726e1f6d200141e7e0a97eb98b5fd481ab701cf0d151b88620d0c01bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f7be3726e1f6d200141e7e0a97eb98b5fd481ab701cf0d151b88620d0c01bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7be3726e1f6d200141e7e0a97eb98b5fd481ab701cf0d151b88620d0c01bf1", kill_on_drop: false }`
[INFO] [stdout] 0f7be3726e1f6d200141e7e0a97eb98b5fd481ab701cf0d151b88620d0c01bf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd8a2b274a28ff3d20e8891a3820cce01755a749d2a71ae8852eb29ca1ecff2f
[INFO] running `Command { std: "docker" "start" "-a" "fd8a2b274a28ff3d20e8891a3820cce01755a749d2a71ae8852eb29ca1ecff2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking obj v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling minifb v0.16.0
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.4
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking png v0.16.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking wayland-sys v0.25.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]    Compiling wayland-scanner v0.25.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking xkb v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling wayland-client v0.25.0
[INFO] [stderr]    Compiling wayland-protocols v0.25.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking wayland-commons v0.25.0
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]     Checking wayland-cursor v0.25.0
[INFO] [stderr]     Checking triangle_tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sphere_camera`
[INFO] [stdout]    --> src/main.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut sphere_camera = DOFCamera::new(PI/3., sphere_camera_pos, -sphere_camera_pos.normalise(), Vec3::Y, sphere_camera_pos.norm(), 0...
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sphere_camera`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `glass_ball`
[INFO] [stdout]    --> src/main.rs:391:9
[INFO] [stdout]     |
[INFO] [stdout] 391 |     let glass_ball = GeneralObject::<Sphere> {
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_glass_ball`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gas`
[INFO] [stdout]    --> src/main.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |     let gas = MediumObject {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_gas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `middle`
[INFO] [stdout]    --> src/main.rs:513:9
[INFO] [stdout]     |
[INFO] [stdout] 513 |     let middle = GeneralObject::<Sphere> {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_middle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut sphere_camera = DOFCamera::new(PI/3., sphere_camera_pos, -sphere_camera_pos.normalise(), Vec3::Y, sphere_camera_pos.norm(), 0...
[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: unused variable: `sphere_camera`
[INFO] [stdout]    --> src/main.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut sphere_camera = DOFCamera::new(PI/3., sphere_camera_pos, -sphere_camera_pos.normalise(), Vec3::Y, sphere_camera_pos.norm(), 0...
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sphere_camera`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `glass_ball`
[INFO] [stdout]    --> src/main.rs:391:9
[INFO] [stdout]     |
[INFO] [stdout] 391 |     let glass_ball = GeneralObject::<Sphere> {
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_glass_ball`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gas`
[INFO] [stdout]    --> src/main.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |     let gas = MediumObject {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_gas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `middle`
[INFO] [stdout]    --> src/main.rs:513:9
[INFO] [stdout]     |
[INFO] [stdout] 513 |     let middle = GeneralObject::<Sphere> {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_middle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut sphere_camera = DOFCamera::new(PI/3., sphere_camera_pos, -sphere_camera_pos.normalise(), Vec3::Y, sphere_camera_pos.norm(), 0...
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.24s
[INFO] running `Command { std: "docker" "inspect" "fd8a2b274a28ff3d20e8891a3820cce01755a749d2a71ae8852eb29ca1ecff2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8a2b274a28ff3d20e8891a3820cce01755a749d2a71ae8852eb29ca1ecff2f", kill_on_drop: false }`
[INFO] [stdout] fd8a2b274a28ff3d20e8891a3820cce01755a749d2a71ae8852eb29ca1ecff2f