[INFO] cloning repository https://github.com/clankford/rust-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clankford/rust-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclankford%2Frust-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclankford%2Frust-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b18c2dc55160ebeea1771300026556aa6cc619d1
[INFO] checking clankford/rust-tracer against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclankford%2Frust-tracer" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clankford/rust-tracer on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clankford/rust-tracer
[INFO] finished tweaking git repo https://github.com/clankford/rust-tracer
[INFO] tweaked toml for git repo https://github.com/clankford/rust-tracer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/clankford/rust-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5f33d1d089b5e2216bcf79aeada0bd29c3b674f1e7a8123c0fc4464b2b31a8e
[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" "b5f33d1d089b5e2216bcf79aeada0bd29c3b674f1e7a8123c0fc4464b2b31a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5f33d1d089b5e2216bcf79aeada0bd29c3b674f1e7a8123c0fc4464b2b31a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f33d1d089b5e2216bcf79aeada0bd29c3b674f1e7a8123c0fc4464b2b31a8e", kill_on_drop: false }`
[INFO] [stdout] b5f33d1d089b5e2216bcf79aeada0bd29c3b674f1e7a8123c0fc4464b2b31a8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 42ba493a430df1b15d22e62e90cd79bb01868af5dfc298dea0d45c26532e846a
[INFO] running `Command { std: "docker" "start" "-a" "42ba493a430df1b15d22e62e90cd79bb01868af5dfc298dea0d45c26532e846a", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ray`
[INFO] [stdout]   --> src/ray_tracer/world.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn intersect(ray: Ray) -> Option<Vec<Box<dyn IntersectionObject>>> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `light`
[INFO] [stdout]   --> src/ray_tracer/world.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     light: Light,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `objects`
[INFO] [stdout]   --> src/ray_tracer/world.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     objects: Vec<Box<dyn Object>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray`
[INFO] [stdout]   --> src/ray_tracer/world.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn intersect(ray: Ray) -> Option<Vec<Box<dyn IntersectionObject>>> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "42ba493a430df1b15d22e62e90cd79bb01868af5dfc298dea0d45c26532e846a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ba493a430df1b15d22e62e90cd79bb01868af5dfc298dea0d45c26532e846a", kill_on_drop: false }`
[INFO] [stdout] 42ba493a430df1b15d22e62e90cd79bb01868af5dfc298dea0d45c26532e846a