[INFO] updating cached repository https://github.com/tuzz/starlight
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40639c02fb48235a5100d96d87a5de3db511bf80
[INFO] checking tuzz/starlight against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fstarlight" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuzz/starlight on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tuzz/starlight
[INFO] finished tweaking git repo https://github.com/tuzz/starlight
[INFO] tweaked toml for git repo https://github.com/tuzz/starlight written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tuzz/starlight already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a2dcceb9d16b8df4a8fdaa3e6316403de355f0d1a4cc749650e205fa4fdb98ab
[INFO] running `"docker" "start" "-a" "a2dcceb9d16b8df4a8fdaa3e6316403de355f0d1a4cc749650e205fa4fdb98ab"`
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking starlight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `lerp`
[INFO] [stderr]   --> src/vector/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn lerp(&self, other: Self, t: f64) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/image/mod.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn get(&self, x: usize, y: usize) -> Vector {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subject`
[INFO] [stderr]   --> src/integrator/test.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let subject = Subject::new(camera());
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_subject`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subject`
[INFO] [stderr]   --> src/integrator/test.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let subject = Subject::new(camera());
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_subject`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subject`
[INFO] [stderr]   --> src/integrator/test.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let subject = Subject::new(camera());
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_subject`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subject`
[INFO] [stderr]   --> src/integrator/test.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let subject = Subject::new(camera());
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_subject`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `it_builds_an_image_with_a_two_dimensional_array_of_pixel_colors`
[INFO] [stderr]  --> src/image/test.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn it_builds_an_image_with_a_two_dimensional_array_of_pixel_colors() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `it_sets_the_pixel_colors_to_black`
[INFO] [stderr]   --> src/image/test.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn it_sets_the_pixel_colors_to_black() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `it_sets_the_color_of_a_pixel`
[INFO] [stderr]   --> src/image/test.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn it_sets_the_color_of_a_pixel() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `"docker" "inspect" "a2dcceb9d16b8df4a8fdaa3e6316403de355f0d1a4cc749650e205fa4fdb98ab"`
[INFO] running `"docker" "rm" "-f" "a2dcceb9d16b8df4a8fdaa3e6316403de355f0d1a4cc749650e205fa4fdb98ab"`
[INFO] [stdout] a2dcceb9d16b8df4a8fdaa3e6316403de355f0d1a4cc749650e205fa4fdb98ab