[INFO] cloning repository https://github.com/kylestach/rust-trace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kylestach/rust-trace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylestach%2Frust-trace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylestach%2Frust-trace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5be1edd86d2183555c210a2a2b0f9c4ae7bf98dd
[INFO] checking kylestach/rust-trace against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylestach%2Frust-trace" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kylestach/rust-trace on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kylestach/rust-trace
[INFO] finished tweaking git repo https://github.com/kylestach/rust-trace
[INFO] tweaked toml for git repo https://github.com/kylestach/rust-trace written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kylestach/rust-trace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 565b012483aa6c3d71752e6ee333d9ff1ac26df091fe050c05d26d349167018c
[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" "565b012483aa6c3d71752e6ee333d9ff1ac26df091fe050c05d26d349167018c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "565b012483aa6c3d71752e6ee333d9ff1ac26df091fe050c05d26d349167018c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565b012483aa6c3d71752e6ee333d9ff1ac26df091fe050c05d26d349167018c", kill_on_drop: false }`
[INFO] [stdout] 565b012483aa6c3d71752e6ee333d9ff1ac26df091fe050c05d26d349167018c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d44d8c11360ea9e17cd24e49911378787354094af2da480afad450724dff9f9c
[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" "d44d8c11360ea9e17cd24e49911378787354094af2da480afad450724dff9f9c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.2.0
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking rayon v0.6.0
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking enum_primitive v0.1.0
[INFO] [stderr]     Checking nalgebra v0.10.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.10
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking raytracingv2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracing/trace.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn material<'a>(&'a self) -> &'a Box<Material>;
[INFO] [stdout]    |                                          ^^^^^^^^ help: use `dyn`: `dyn Material`
[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/raytracing/trace.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     object: &'a Box<Trace>,
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracing/scene.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub objects: Vec<Box<Trace>>,
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Div`
[INFO] [stdout]  --> src/raytracing/color.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Add, Sub, Mul, Div};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/raytracing/shapes/sphere.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub material: Box<Material>,
[INFO] [stdout]   |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracing/shapes/sphere.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn material<'a>(&'a self) -> &'a Box<Material> {
[INFO] [stdout]    |                                          ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracing/trace.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn material<'a>(&'a self) -> &'a Box<Material>;
[INFO] [stdout]    |                                          ^^^^^^^^ help: use `dyn`: `dyn Material`
[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/raytracing/trace.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     object: &'a Box<Trace>,
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracing/scene.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub objects: Vec<Box<Trace>>,
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Div`
[INFO] [stdout]  --> src/raytracing/color.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Add, Sub, Mul, Div};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/raytracing/shapes/sphere.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub material: Box<Material>,
[INFO] [stdout]   |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracing/shapes/sphere.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn material<'a>(&'a self) -> &'a Box<Material> {
[INFO] [stdout]    |                                          ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/raytracing/render.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     image.save(Path::new("test.png"));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/raytracing/render.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     image.save(Path::new("test.png"));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.33s
[INFO] running `Command { std: "docker" "inspect" "d44d8c11360ea9e17cd24e49911378787354094af2da480afad450724dff9f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44d8c11360ea9e17cd24e49911378787354094af2da480afad450724dff9f9c", kill_on_drop: false }`
[INFO] [stdout] d44d8c11360ea9e17cd24e49911378787354094af2da480afad450724dff9f9c