[INFO] cloning repository https://github.com/mingyli/ray-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mingyli/ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Fray-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Fray-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e978b3f49c2e1f66dfe8458864d559015035c3b2
[INFO] checking mingyli/ray-tracer against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Fray-tracer" "/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/mingyli/ray-tracer on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mingyli/ray-tracer
[INFO] finished tweaking git repo https://github.com/mingyli/ray-tracer
[INFO] tweaked toml for git repo https://github.com/mingyli/ray-tracer written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mingyli/ray-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.2.4
[INFO] [stderr]   Downloaded indicatif v0.14.0
[INFO] [stderr]   Downloaded console v0.9.2
[INFO] [stderr]   Downloaded tokio v0.2.11
[INFO] [stderr]   Downloaded syn v1.0.15
[INFO] [stderr]   Downloaded number_prefix v0.3.0
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71153b2ba177285f1a55705529ad20d5948438d4a0ff6ab0f7705ee3f4464d09
[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" "71153b2ba177285f1a55705529ad20d5948438d4a0ff6ab0f7705ee3f4464d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71153b2ba177285f1a55705529ad20d5948438d4a0ff6ab0f7705ee3f4464d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71153b2ba177285f1a55705529ad20d5948438d4a0ff6ab0f7705ee3f4464d09", kill_on_drop: false }`
[INFO] [stdout] 71153b2ba177285f1a55705529ad20d5948438d4a0ff6ab0f7705ee3f4464d09
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] cc43c2ef1dc6f3734e7add749fc50d7c989a5426bc408892c13226772530192d
[INFO] running `Command { std: "docker" "start" "-a" "cc43c2ef1dc6f3734e7add749fc50d7c989a5426bc408892c13226772530192d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/camera.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(origin: Vec3, lower_left: Vec3, horizontal: Vec3, vertical: Vec3) -> Camera {
[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: `new`
[INFO] [stdout]   --> src/object.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn new(objects: Vec<Box<dyn Hittable + Send + Sync>>) -> World {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `demo`
[INFO] [stdout]   --> src/object.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn demo() -> World {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/camera.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(origin: Vec3, lower_left: Vec3, horizontal: Vec3, vertical: Vec3) -> Camera {
[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: `new`
[INFO] [stdout]   --> src/object.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn new(objects: Vec<Box<dyn Hittable + Send + Sync>>) -> World {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `demo`
[INFO] [stdout]   --> src/object.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn demo() -> World {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.82s
[INFO] running `Command { std: "docker" "inspect" "cc43c2ef1dc6f3734e7add749fc50d7c989a5426bc408892c13226772530192d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc43c2ef1dc6f3734e7add749fc50d7c989a5426bc408892c13226772530192d", kill_on_drop: false }`
[INFO] [stdout] cc43c2ef1dc6f3734e7add749fc50d7c989a5426bc408892c13226772530192d