[INFO] cloning repository https://github.com/dfockler/pathtracer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dfockler/pathtracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfockler%2Fpathtracer"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfockler%2Fpathtracer'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f96e8af5b43886bcc5ecc04a98c064450ba8c898
[INFO] checking dfockler/pathtracer against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfockler%2Fpathtracer" "/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/dfockler/pathtracer on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dfockler/pathtracer
[INFO] finished tweaking git repo https://github.com/dfockler/pathtracer
[INFO] tweaked toml for git repo https://github.com/dfockler/pathtracer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dfockler/pathtracer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 733d62bb7d435f0e94bbeced200bf81c9c199a151e4069ae2d34f10c8b8362ea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "733d62bb7d435f0e94bbeced200bf81c9c199a151e4069ae2d34f10c8b8362ea"`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.2
[INFO] [stderr]     Checking pathtracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `dist`
[INFO] [stderr]   --> src/main.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let dist = start.dist(&end);
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_dist`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PI`
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const PI: u8 = 3;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]    --> src/main.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn add(&self, other: &Vector) -> Vector {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cross`
[INFO] [stderr]    --> src/main.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn cross(&self, other: &Vector) -> Vector {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Light`
[INFO] [stderr]    --> src/main.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | struct Light {
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dist`
[INFO] [stderr]   --> src/main.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let dist = start.dist(&end);
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_dist`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PI`
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const PI: u8 = 3;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]    --> src/main.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn add(&self, other: &Vector) -> Vector {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cross`
[INFO] [stderr]    --> src/main.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn cross(&self, other: &Vector) -> Vector {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Light`
[INFO] [stderr]    --> src/main.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | struct Light {
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.01s
[INFO] running `"docker" "inspect" "733d62bb7d435f0e94bbeced200bf81c9c199a151e4069ae2d34f10c8b8362ea"`
[INFO] running `"docker" "rm" "-f" "733d62bb7d435f0e94bbeced200bf81c9c199a151e4069ae2d34f10c8b8362ea"`
[INFO] [stdout] 733d62bb7d435f0e94bbeced200bf81c9c199a151e4069ae2d34f10c8b8362ea