[INFO] cloning repository https://github.com/timraymond/rust_tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timraymond/rust_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimraymond%2Frust_tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimraymond%2Frust_tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 940475e0bbe80bf2c30503bc2dcc07bcec2ae0c4
[INFO] building timraymond/rust_tracer 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%2Ftimraymond%2Frust_tracer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timraymond/rust_tracer 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/timraymond/rust_tracer
[INFO] finished tweaking git repo https://github.com/timraymond/rust_tracer
[INFO] tweaked toml for git repo https://github.com/timraymond/rust_tracer written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/timraymond/rust_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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2a4a8dcc23ca9db337ffc2f07468456a9d4b3bdcd588a40ab176c7f6dd35522f
[INFO] running `Command { std: "docker" "start" "-a" "2a4a8dcc23ca9db337ffc2f07468456a9d4b3bdcd588a40ab176c7f6dd35522f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a4a8dcc23ca9db337ffc2f07468456a9d4b3bdcd588a40ab176c7f6dd35522f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4a8dcc23ca9db337ffc2f07468456a9d4b3bdcd588a40ab176c7f6dd35522f", kill_on_drop: false }`
[INFO] [stdout] 2a4a8dcc23ca9db337ffc2f07468456a9d4b3bdcd588a40ab176c7f6dd35522f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 16620da5aae5c9dd5b851f60c15b5d23f2f9603e6657c98d785195078b8b0502
[INFO] running `Command { std: "docker" "start" "-a" "16620da5aae5c9dd5b851f60c15b5d23f2f9603e6657c98d785195078b8b0502", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling pbr v1.0.3
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Material`
[INFO] [stdout]  --> src/vec3.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::material::{Material};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/vec3.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         (self.0*self.0 +
[INFO] [stdout]     |         ^
[INFO] [stdout] 120 |          self.1*self.1 +
[INFO] [stdout] 121 |          self.2*self.2)
[INFO] [stdout]     |                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 ~         self.0*self.0 +
[INFO] [stdout] 120 |          self.1*self.1 +
[INFO] [stdout] 121 ~          self.2*self.2
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/vec3.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `unit` and `random` are never used
[INFO] [stdout]   --> src/vec3.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 88 | impl Vec3 {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 89 |     pub fn unit() -> Vec3 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn random(lower: f64, upper: f64) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `Command { std: "docker" "inspect" "16620da5aae5c9dd5b851f60c15b5d23f2f9603e6657c98d785195078b8b0502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16620da5aae5c9dd5b851f60c15b5d23f2f9603e6657c98d785195078b8b0502", kill_on_drop: false }`
[INFO] [stdout] 16620da5aae5c9dd5b851f60c15b5d23f2f9603e6657c98d785195078b8b0502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b96ce94221c91286b0ca674973f27ef28136800300914252add141c1e2d689bb
[INFO] running `Command { std: "docker" "start" "-a" "b96ce94221c91286b0ca674973f27ef28136800300914252add141c1e2d689bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Material`
[INFO] [stdout]  --> src/vec3.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::material::{Material};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/vec3.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         (self.0*self.0 +
[INFO] [stdout]     |         ^
[INFO] [stdout] 120 |          self.1*self.1 +
[INFO] [stdout] 121 |          self.2*self.2)
[INFO] [stdout]     |                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 ~         self.0*self.0 +
[INFO] [stdout] 120 |          self.1*self.1 +
[INFO] [stdout] 121 ~          self.2*self.2
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/vec3.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `random` is never used
[INFO] [stdout]   --> src/vec3.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 88 | impl Vec3 {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn random(lower: f64, upper: f64) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "b96ce94221c91286b0ca674973f27ef28136800300914252add141c1e2d689bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96ce94221c91286b0ca674973f27ef28136800300914252add141c1e2d689bb", kill_on_drop: false }`
[INFO] [stdout] b96ce94221c91286b0ca674973f27ef28136800300914252add141c1e2d689bb