[INFO] cloning repository https://github.com/bisforboman/RayTracingInOneWeekend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bisforboman/RayTracingInOneWeekend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbisforboman%2FRayTracingInOneWeekend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbisforboman%2FRayTracingInOneWeekend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9b13db4641a00abe8e3c98ab78e3f7bb09c3e5b
[INFO] testing bisforboman/RayTracingInOneWeekend against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbisforboman%2FRayTracingInOneWeekend" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bisforboman/RayTracingInOneWeekend on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bisforboman/RayTracingInOneWeekend
[INFO] finished tweaking git repo https://github.com/bisforboman/RayTracingInOneWeekend
[INFO] tweaked toml for git repo https://github.com/bisforboman/RayTracingInOneWeekend written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/bisforboman/RayTracingInOneWeekend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3c524a21e59935a50e45759a1f22d4ad50ad345f58cd9cf941e95dc819893ab
[INFO] running `Command { std: "docker" "start" "-a" "c3c524a21e59935a50e45759a1f22d4ad50ad345f58cd9cf941e95dc819893ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3c524a21e59935a50e45759a1f22d4ad50ad345f58cd9cf941e95dc819893ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c524a21e59935a50e45759a1f22d4ad50ad345f58cd9cf941e95dc819893ab", kill_on_drop: false }`
[INFO] [stdout] c3c524a21e59935a50e45759a1f22d4ad50ad345f58cd9cf941e95dc819893ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31d6936ef89148dc7cbf61bf44977296af4a3631eb55755aa50b703f0a306595
[INFO] running `Command { std: "docker" "start" "-a" "31d6936ef89148dc7cbf61bf44977296af4a3631eb55755aa50b703f0a306595", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapter2_v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `point`
[INFO] [stdout]   --> src/vec3.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn point(x: f64, y: f64, z: f64) -> Vec3 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec`
[INFO] [stdout]   --> src/vec3.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn vec(x: f64, y: f64, z: f64) -> Vec3 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cross`
[INFO] [stdout]   --> src/vec3.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn cross(u: Vec3, v: Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Ray`
[INFO] [stdout]  --> src/ray.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Ray {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ray`
[INFO] [stdout]  --> src/ray.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn ray(orig: Vec3, dir: Vec3) -> Ray {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]   --> src/ray.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn at(&self, t: f64) -> Vec3 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ray_color`
[INFO] [stdout]   --> src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn ray_color(r: &Ray) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     (1.0 - t) * Vec3::one() + t * color(0.5, 0.7, 1.0);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "31d6936ef89148dc7cbf61bf44977296af4a3631eb55755aa50b703f0a306595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d6936ef89148dc7cbf61bf44977296af4a3631eb55755aa50b703f0a306595", kill_on_drop: false }`
[INFO] [stdout] 31d6936ef89148dc7cbf61bf44977296af4a3631eb55755aa50b703f0a306595
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 351b3e5428bb97ad1e5d97b86c7e9dbba28fa3a14370147ba8001c152015f6dd
[INFO] running `Command { std: "docker" "start" "-a" "351b3e5428bb97ad1e5d97b86c7e9dbba28fa3a14370147ba8001c152015f6dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chapter2_v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `point`
[INFO] [stdout]   --> src/vec3.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn point(x: f64, y: f64, z: f64) -> Vec3 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec`
[INFO] [stdout]   --> src/vec3.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn vec(x: f64, y: f64, z: f64) -> Vec3 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cross`
[INFO] [stdout]   --> src/vec3.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn cross(u: Vec3, v: Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Ray`
[INFO] [stdout]  --> src/ray.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Ray {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ray`
[INFO] [stdout]  --> src/ray.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn ray(orig: Vec3, dir: Vec3) -> Ray {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]   --> src/ray.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn at(&self, t: f64) -> Vec3 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ray_color`
[INFO] [stdout]   --> src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn ray_color(r: &Ray) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     (1.0 - t) * Vec3::one() + t * color(0.5, 0.7, 1.0);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.82s
[INFO] running `Command { std: "docker" "inspect" "351b3e5428bb97ad1e5d97b86c7e9dbba28fa3a14370147ba8001c152015f6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351b3e5428bb97ad1e5d97b86c7e9dbba28fa3a14370147ba8001c152015f6dd", kill_on_drop: false }`
[INFO] [stdout] 351b3e5428bb97ad1e5d97b86c7e9dbba28fa3a14370147ba8001c152015f6dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 451b8534cdc517e3c7a9956be16f8dfc65f46c65c659efb2a0d57ea334d2446a
[INFO] running `Command { std: "docker" "start" "-a" "451b8534cdc517e3c7a9956be16f8dfc65f46c65c659efb2a0d57ea334d2446a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `point`
[INFO] [stderr]   --> src/vec3.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn point(x: f64, y: f64, z: f64) -> Vec3 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vec`
[INFO] [stderr]   --> src/vec3.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn vec(x: f64, y: f64, z: f64) -> Vec3 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cross`
[INFO] [stderr]   --> src/vec3.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn cross(u: Vec3, v: Vec3) -> Vec3 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Ray`
[INFO] [stderr]  --> src/ray.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Ray {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ray`
[INFO] [stderr]  --> src/ray.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn ray(orig: Vec3, dir: Vec3) -> Ray {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `at`
[INFO] [stderr]   --> src/ray.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn at(&self, t: f64) -> Vec3 {
[INFO] [stderr]    |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ray_color`
[INFO] [stderr]   --> src/main.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn ray_color(r: &Ray) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     (1.0 - t) * Vec3::one() + t * color(0.5, 0.7, 1.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter2_v2` (bin "chapter2_v2" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chapter2_v2-97c128c166e137a3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "451b8534cdc517e3c7a9956be16f8dfc65f46c65c659efb2a0d57ea334d2446a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "451b8534cdc517e3c7a9956be16f8dfc65f46c65c659efb2a0d57ea334d2446a", kill_on_drop: false }`
[INFO] [stdout] 451b8534cdc517e3c7a9956be16f8dfc65f46c65c659efb2a0d57ea334d2446a