[INFO] cloning repository https://github.com/scatterflower/sdl-raytrace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scatterflower/sdl-raytrace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscatterflower%2Fsdl-raytrace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscatterflower%2Fsdl-raytrace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0bc75ebd046f13b2b01577cc7b9cb1c4133f43c
[INFO] building scatterflower/sdl-raytrace against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscatterflower%2Fsdl-raytrace" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scatterflower/sdl-raytrace on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scatterflower/sdl-raytrace
[INFO] finished tweaking git repo https://github.com/scatterflower/sdl-raytrace
[INFO] tweaked toml for git repo https://github.com/scatterflower/sdl-raytrace written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/scatterflower/sdl-raytrace 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: rust
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f2bbeb6c0b3d803f5c01582df7a4a5a7a87748779d4da13f7dec05150462231
[INFO] running `Command { std: "docker" "start" "-a" "7f2bbeb6c0b3d803f5c01582df7a4a5a7a87748779d4da13f7dec05150462231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f2bbeb6c0b3d803f5c01582df7a4a5a7a87748779d4da13f7dec05150462231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f2bbeb6c0b3d803f5c01582df7a4a5a7a87748779d4da13f7dec05150462231", kill_on_drop: false }`
[INFO] [stdout] 7f2bbeb6c0b3d803f5c01582df7a4a5a7a87748779d4da13f7dec05150462231
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 784520d655b12e6c65e1a2f1dc962bda1b58c7fa8562ca87292cdbadd7c6e72c
[INFO] running `Command { std: "docker" "start" "-a" "784520d655b12e6c65e1a2f1dc962bda1b58c7fa8562ca87292cdbadd7c6e72c", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: rust
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling sdl-raytrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::threadpool::ThreadPool`
[INFO] [stdout]  --> src/render.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::threadpool::ThreadPool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch`
[INFO] [stdout]  --> src/vec3.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::arch;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::object::Object`
[INFO] [stdout]  --> src/render.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::object::Object;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `shadow_origin` is never read
[INFO] [stdout]   --> src/render.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let mut shadow_origin = Vec3f::zero();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reflect_origin` is never read
[INFO] [stdout]   --> src/render.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let mut reflect_origin = Vec3f::zero();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_vec` is never used
[INFO] [stdout]    --> src/vec3.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl Vec3f {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn to_vec(self) -> Vec<f32> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_center` is never used
[INFO] [stdout]   --> src/object.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Object : Send + Sync {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] 14 |     fn ray_intersect(&self, origin: Vec3f, direction: Vec3f) -> RayIntersection;
[INFO] [stdout] 15 |     fn get_center(&self) -> Vec3f;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ThreadPool` is never constructed
[INFO] [stdout]  --> src/threadpool.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ThreadPool {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Job` is never used
[INFO] [stdout]   --> src/threadpool.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Job = Box<dyn FnOnce() + Send + 'static>;
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `execute` are never used
[INFO] [stdout]   --> src/threadpool.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ThreadPool {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(size: usize) -> ThreadPool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn execute<F>(&self, f: F) 
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Worker` is never constructed
[INFO] [stdout]   --> src/threadpool.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Worker {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/threadpool.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Worker {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 44 |     fn new(id: usize, receiver: Arc<Mutex<mpsc::Receiver<Job>>>) -> Worker {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 canvas.draw_point(Point::new(i as i32, j as i32));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 let _ = canvas.draw_point(Point::new(i as i32, j as i32));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `Command { std: "docker" "inspect" "784520d655b12e6c65e1a2f1dc962bda1b58c7fa8562ca87292cdbadd7c6e72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "784520d655b12e6c65e1a2f1dc962bda1b58c7fa8562ca87292cdbadd7c6e72c", kill_on_drop: false }`
[INFO] [stdout] 784520d655b12e6c65e1a2f1dc962bda1b58c7fa8562ca87292cdbadd7c6e72c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ab2df3bce29997ad58f1f5dabde8cf8610abc5fd1a560643621a88cf3b70194
[INFO] running `Command { std: "docker" "start" "-a" "6ab2df3bce29997ad58f1f5dabde8cf8610abc5fd1a560643621a88cf3b70194", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: rust
[INFO] [stderr]    Compiling sdl-raytrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::threadpool::ThreadPool`
[INFO] [stdout]  --> src/render.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::threadpool::ThreadPool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch`
[INFO] [stdout]  --> src/vec3.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::arch;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::object::Object`
[INFO] [stdout]  --> src/render.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::object::Object;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `shadow_origin` is never read
[INFO] [stdout]   --> src/render.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let mut shadow_origin = Vec3f::zero();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reflect_origin` is never read
[INFO] [stdout]   --> src/render.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let mut reflect_origin = Vec3f::zero();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_vec` is never used
[INFO] [stdout]    --> src/vec3.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl Vec3f {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn to_vec(self) -> Vec<f32> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_center` is never used
[INFO] [stdout]   --> src/object.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Object : Send + Sync {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] 14 |     fn ray_intersect(&self, origin: Vec3f, direction: Vec3f) -> RayIntersection;
[INFO] [stdout] 15 |     fn get_center(&self) -> Vec3f;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ThreadPool` is never constructed
[INFO] [stdout]  --> src/threadpool.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ThreadPool {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Job` is never used
[INFO] [stdout]   --> src/threadpool.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Job = Box<dyn FnOnce() + Send + 'static>;
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `execute` are never used
[INFO] [stdout]   --> src/threadpool.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ThreadPool {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(size: usize) -> ThreadPool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn execute<F>(&self, f: F) 
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Worker` is never constructed
[INFO] [stdout]   --> src/threadpool.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Worker {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/threadpool.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Worker {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 44 |     fn new(id: usize, receiver: Arc<Mutex<mpsc::Receiver<Job>>>) -> Worker {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 canvas.draw_point(Point::new(i as i32, j as i32));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 let _ = canvas.draw_point(Point::new(i as i32, j as i32));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "6ab2df3bce29997ad58f1f5dabde8cf8610abc5fd1a560643621a88cf3b70194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab2df3bce29997ad58f1f5dabde8cf8610abc5fd1a560643621a88cf3b70194", kill_on_drop: false }`
[INFO] [stdout] 6ab2df3bce29997ad58f1f5dabde8cf8610abc5fd1a560643621a88cf3b70194