[INFO] updating cached repository https://github.com/pfeff/raytrace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9b7ce85a1f2ccc427181ec9cd020d83fa4fb8b6
[INFO] checking pfeff/raytrace against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfeff%2Fraytrace" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pfeff/raytrace on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pfeff/raytrace
[INFO] finished tweaking git repo https://github.com/pfeff/raytrace
[INFO] tweaked toml for git repo https://github.com/pfeff/raytrace written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/pfeff/raytrace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 752d3460c0c97c63db63b3eb65a7d762246cfa9cd49ba197f534b710d1076b76
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "752d3460c0c97c63db63b3eb65a7d762246cfa9cd49ba197f534b710d1076b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "752d3460c0c97c63db63b3eb65a7d762246cfa9cd49ba197f534b710d1076b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752d3460c0c97c63db63b3eb65a7d762246cfa9cd49ba197f534b710d1076b76", kill_on_drop: false }`
[INFO] [stdout] 752d3460c0c97c63db63b3eb65a7d762246cfa9cd49ba197f534b710d1076b76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d381c717c03b49de8dd12d84aeea2949d8d68f49a02548f8aa2885491a86945e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d381c717c03b49de8dd12d84aeea2949d8d68f49a02548f8aa2885491a86945e", kill_on_drop: false }`
[INFO] [stderr]     Checking assert_approx_eq v1.0.0
[INFO] [stderr]     Checking raytrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `color`
[INFO] [stdout]  --> src/canvas.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use color::{color, white};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_point`
[INFO] [stdout]   --> src/tuple.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn is_point(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_vector`
[INFO] [stdout]   --> src/tuple.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn is_vector(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `point`
[INFO] [stdout]    --> src/tuple.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn point(x: f64, y: f64, z: f64) -> Tuple {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `color`
[INFO] [stdout]  --> src/color.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn color(r: f64, g: f64, b: f64) -> Tuple {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `white`
[INFO] [stdout]   --> src/color.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn white() -> Tuple {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Canvas`
[INFO] [stdout]  --> src/canvas.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Canvas {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pixel_at`
[INFO] [stdout]   --> src/canvas.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn pixel_at(&self, x: usize, y: usize) -> Tuple {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_pixel`
[INFO] [stdout]   --> src/canvas.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn write_pixel(&mut self, x: usize, y: usize, color: Tuple) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `canvas`
[INFO] [stdout]   --> src/canvas.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn canvas(width: usize, height: usize) -> Canvas {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "d381c717c03b49de8dd12d84aeea2949d8d68f49a02548f8aa2885491a86945e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d381c717c03b49de8dd12d84aeea2949d8d68f49a02548f8aa2885491a86945e", kill_on_drop: false }`
[INFO] [stdout] d381c717c03b49de8dd12d84aeea2949d8d68f49a02548f8aa2885491a86945e