[INFO] cloning repository https://github.com/agourlay/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/agourlay/ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagourlay%2Fray-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagourlay%2Fray-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00bbd59c33434618922654cdb1016497186a9cba
[INFO] building agourlay/ray-tracer against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagourlay%2Fray-tracer" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agourlay/ray-tracer on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agourlay/ray-tracer
[INFO] finished tweaking git repo https://github.com/agourlay/ray-tracer
[INFO] tweaked toml for git repo https://github.com/agourlay/ray-tracer written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/agourlay/ray-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 198c5bd0e7cebe4f502ee456f08e731ae4aeb2ecf53caaa476258e8a8bbe85d9
[INFO] running `Command { std: "docker" "start" "-a" "198c5bd0e7cebe4f502ee456f08e731ae4aeb2ecf53caaa476258e8a8bbe85d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "198c5bd0e7cebe4f502ee456f08e731ae4aeb2ecf53caaa476258e8a8bbe85d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "198c5bd0e7cebe4f502ee456f08e731ae4aeb2ecf53caaa476258e8a8bbe85d9", kill_on_drop: false }`
[INFO] [stdout] 198c5bd0e7cebe4f502ee456f08e731ae4aeb2ecf53caaa476258e8a8bbe85d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d16704fd71a3c10eea33e53472f2b4044a9fcbf3abebd5f05cb5f3a97010262
[INFO] running `Command { std: "docker" "start" "-a" "8d16704fd71a3c10eea33e53472f2b4044a9fcbf3abebd5f05cb5f3a97010262", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `local_point`
[INFO] [stdout]   --> src/plane.rs:57:31
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn local_normal_at(&self, local_point: &(f64, f64, f64, f64)) -> (f64, f64, f64, f64) {
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_point`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `field_of_view` and `transform` are never read
[INFO] [stdout]   --> src/camera.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Camera {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     field_of_view: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 11 |     transform: Matrix,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `make_with_color` and `color_at` are never used
[INFO] [stdout]   --> src/canvas.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Canvas {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn make_with_color(width: usize, height: usize, color: Color) -> Canvas {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn color_at(self, x: usize, y: usize) -> Option<Color> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `intersection_distance`, `point`, and `inside` are never read
[INFO] [stdout]   --> src/intersection.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct PreparedComputations {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 13 |     pub object_id: usize,
[INFO] [stdout] 14 |     pub intersection_distance: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     pub point: Tuple,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub inside: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/material.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Material {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn new(color: Color, diffuse: f64, specular: f64) -> Material {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `make_matrix_2`, `make_matrix_3`, and `shearing` are never used
[INFO] [stdout]    --> src/matrix.rs:10:12
[INFO] [stdout]     |
[INFO] [stdout] 9   | impl Matrix {
[INFO] [stdout]     | ----------- associated functions in this implementation
[INFO] [stdout] 10  |     pub fn make_matrix_2(aa: f64, ab: f64, ba: f64, bb: f64) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17  |     pub fn make_matrix_3(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 257 |     pub fn shearing(xy: f64, xz: f64, yx: f64, yz: f64, zx: f64, zy: f64) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Projectile` is never constructed
[INFO] [stdout]  --> src/projectile.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Projectile {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Projectile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Env` is never constructed
[INFO] [stdout]   --> src/projectile.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Env {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `tick` and `simulation` are never used
[INFO] [stdout]   --> src/projectile.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Projectile {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     fn tick(self: Projectile, env: &Env) -> Projectile {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn simulation() -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_radius` is never used
[INFO] [stdout]   --> src/sphere.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Sphere {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn set_radius(self, radius: f64) -> Sphere {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tuples_are_equal` is never used
[INFO] [stdout]  --> src/tuple.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn tuples_are_equal(t1: &Tuple, t2: &Tuple) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tuple_is_vector` is never used
[INFO] [stdout]   --> src/tuple.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn tuple_is_vector(t: &Tuple) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tuple_is_point` is never used
[INFO] [stdout]   --> src/tuple.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn tuple_is_point(t: &Tuple) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scale_tuple_division` is never used
[INFO] [stdout]   --> src/tuple.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn scale_tuple_division(v: &Tuple, scale: f64) -> Tuple {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `set_lights` and `default` are never used
[INFO] [stdout]   --> src/world.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl World {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn set_lights(self, lights: Vec<Light>) -> World {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn default() -> World {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "8d16704fd71a3c10eea33e53472f2b4044a9fcbf3abebd5f05cb5f3a97010262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d16704fd71a3c10eea33e53472f2b4044a9fcbf3abebd5f05cb5f3a97010262", kill_on_drop: false }`
[INFO] [stdout] 8d16704fd71a3c10eea33e53472f2b4044a9fcbf3abebd5f05cb5f3a97010262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a8f18d4d8a9b6c99c113e0057ecad437e4ab64edffe2dfd24714bc02ec56f7e
[INFO] running `Command { std: "docker" "start" "-a" "9a8f18d4d8a9b6c99c113e0057ecad437e4ab64edffe2dfd24714bc02ec56f7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `local_point`
[INFO] [stdout]   --> src/plane.rs:57:31
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn local_normal_at(&self, local_point: &(f64, f64, f64, f64)) -> (f64, f64, f64, f64) {
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_point`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_ray`
[INFO] [stdout]   --> src/shape.rs:86:35
[INFO] [stdout]    |
[INFO] [stdout] 86 |         fn local_intersect(&self, local_ray: &Ray) -> Vec<Intersection> {
[INFO] [stdout]    |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_point`
[INFO] [stdout]   --> src/shape.rs:90:35
[INFO] [stdout]    |
[INFO] [stdout] 90 |         fn local_normal_at(&self, local_point: &(f64, f64, f64, f64)) -> (f64, f64, f64, f64) {
[INFO] [stdout]    |                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `intersection_distance` is never read
[INFO] [stdout]   --> src/intersection.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct PreparedComputations {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] 13 |     pub object_id: usize,
[INFO] [stdout] 14 |     pub intersection_distance: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Projectile` is never constructed
[INFO] [stdout]  --> src/projectile.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Projectile {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Projectile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Env` is never constructed
[INFO] [stdout]   --> src/projectile.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Env {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `tick` and `simulation` are never used
[INFO] [stdout]   --> src/projectile.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Projectile {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     fn tick(self: Projectile, env: &Env) -> Projectile {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn simulation() -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tuples_are_equal` is never used
[INFO] [stdout]  --> src/tuple.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn tuples_are_equal(t1: &Tuple, t2: &Tuple) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_lights` is never used
[INFO] [stdout]   --> src/world.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl World {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn set_lights(self, lights: Vec<Light>) -> World {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "9a8f18d4d8a9b6c99c113e0057ecad437e4ab64edffe2dfd24714bc02ec56f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8f18d4d8a9b6c99c113e0057ecad437e4ab64edffe2dfd24714bc02ec56f7e", kill_on_drop: false }`
[INFO] [stdout] 9a8f18d4d8a9b6c99c113e0057ecad437e4ab64edffe2dfd24714bc02ec56f7e