[INFO] cloning repository https://github.com/jksy/ray-tracing-in-one-weekend-with-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jksy/ray-tracing-in-one-weekend-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjksy%2Fray-tracing-in-one-weekend-with-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjksy%2Fray-tracing-in-one-weekend-with-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a7e6737a927b10206aa81144f2a012846bdbeb9f [INFO] building jksy/ray-tracing-in-one-weekend-with-rust 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%2Fjksy%2Fray-tracing-in-one-weekend-with-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jksy/ray-tracing-in-one-weekend-with-rust 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/jksy/ray-tracing-in-one-weekend-with-rust [INFO] finished tweaking git repo https://github.com/jksy/ray-tracing-in-one-weekend-with-rust [INFO] tweaked toml for git repo https://github.com/jksy/ray-tracing-in-one-weekend-with-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jksy/ray-tracing-in-one-weekend-with-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2314774399cf441b002320efa8f3a14348778332033848cec93cc757d60463a9 [INFO] running `Command { std: "docker" "start" "-a" "2314774399cf441b002320efa8f3a14348778332033848cec93cc757d60463a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2314774399cf441b002320efa8f3a14348778332033848cec93cc757d60463a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2314774399cf441b002320efa8f3a14348778332033848cec93cc757d60463a9", kill_on_drop: false }` [INFO] [stdout] 2314774399cf441b002320efa8f3a14348778332033848cec93cc757d60463a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 443f84b232b2481cd667156c31438d2c3ae167fa5fa99a5dc6195db58dde305f [INFO] running `Command { std: "docker" "start" "-a" "443f84b232b2481cd667156c31438d2c3ae167fa5fa99a5dc6195db58dde305f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling raytrace v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cmp` [INFO] [stdout] --> src/raytrace/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/raytrace/mod.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/raytrace/mod.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r_in` [INFO] [stdout] --> src/raytrace/mod.rs:426:22 [INFO] [stdout] | [INFO] [stdout] 426 | fn scatter(self, r_in: &Ray, rec: &HitRecord) -> (bool, Ray, Color) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | for i in 0..sample_per_pixel { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `random0` and `cross` are never used [INFO] [stdout] --> src/raytrace/mod.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 23 | impl Vec3 { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn random0() -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn cross(&self, right: Vec3) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `random_in_hemisphere` and `hit_sphere` are never used [INFO] [stdout] --> src/raytrace/mod.rs:216:8 [INFO] [stdout] | [INFO] [stdout] 182 | impl Ray { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 216 | fn random_in_hemisphere(&self, normal: Vec3) -> Vec3 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 225 | fn hit_sphere(&self, center: Point3, radius: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `front_face` is never read [INFO] [stdout] --> src/raytrace/mod.rs:262:5 [INFO] [stdout] | [INFO] [stdout] 258 | pub struct HitRecord { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 262 | front_face: bool, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_front_face` is never used [INFO] [stdout] --> src/raytrace/mod.rs:277:8 [INFO] [stdout] | [INFO] [stdout] 266 | impl HitRecord { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 277 | fn set_front_face(&mut self, r: &Ray, outward_normal: &Vec3) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | writeln!(stderr(), "\rScanlines remaining: {} ", h); [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.13s [INFO] running `Command { std: "docker" "inspect" "443f84b232b2481cd667156c31438d2c3ae167fa5fa99a5dc6195db58dde305f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "443f84b232b2481cd667156c31438d2c3ae167fa5fa99a5dc6195db58dde305f", kill_on_drop: false }` [INFO] [stdout] 443f84b232b2481cd667156c31438d2c3ae167fa5fa99a5dc6195db58dde305f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5b99e547138514b659e080131789b2ac998c65a3477021ba393147ccf6ba61a3 [INFO] running `Command { std: "docker" "start" "-a" "5b99e547138514b659e080131789b2ac998c65a3477021ba393147ccf6ba61a3", kill_on_drop: false }` [INFO] [stderr] Compiling raytrace v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cmp` [INFO] [stdout] --> src/raytrace/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/raytrace/mod.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/raytrace/mod.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r_in` [INFO] [stdout] --> src/raytrace/mod.rs:426:22 [INFO] [stdout] | [INFO] [stdout] 426 | fn scatter(self, r_in: &Ray, rec: &HitRecord) -> (bool, Ray, Color) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | for i in 0..sample_per_pixel { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `random0` and `cross` are never used [INFO] [stdout] --> src/raytrace/mod.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 23 | impl Vec3 { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn random0() -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn cross(&self, right: Vec3) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `random_in_hemisphere` and `hit_sphere` are never used [INFO] [stdout] --> src/raytrace/mod.rs:216:8 [INFO] [stdout] | [INFO] [stdout] 182 | impl Ray { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 216 | fn random_in_hemisphere(&self, normal: Vec3) -> Vec3 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 225 | fn hit_sphere(&self, center: Point3, radius: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `front_face` is never read [INFO] [stdout] --> src/raytrace/mod.rs:262:5 [INFO] [stdout] | [INFO] [stdout] 258 | pub struct HitRecord { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 262 | front_face: bool, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_front_face` is never used [INFO] [stdout] --> src/raytrace/mod.rs:277:8 [INFO] [stdout] | [INFO] [stdout] 266 | impl HitRecord { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 277 | fn set_front_face(&mut self, r: &Ray, outward_normal: &Vec3) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | writeln!(stderr(), "\rScanlines remaining: {} ", h); [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "5b99e547138514b659e080131789b2ac998c65a3477021ba393147ccf6ba61a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b99e547138514b659e080131789b2ac998c65a3477021ba393147ccf6ba61a3", kill_on_drop: false }` [INFO] [stdout] 5b99e547138514b659e080131789b2ac998c65a3477021ba393147ccf6ba61a3