[INFO] cloning repository https://github.com/tshino/rtow-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tshino/rtow-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftshino%2Frtow-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftshino%2Frtow-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07910546f9344a0a1c75a462c81430f862fe4833
[INFO] checking tshino/rtow-rust against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftshino%2Frtow-rust" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tshino/rtow-rust on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tshino/rtow-rust
[INFO] finished tweaking git repo https://github.com/tshino/rtow-rust
[INFO] tweaked toml for git repo https://github.com/tshino/rtow-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tshino/rtow-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] 66174bb680a861e3d078cdfaf98efe59348561cdeffd15c6162398e3e2cd1976
[INFO] running `"docker" "start" "-a" "66174bb680a861e3d078cdfaf98efe59348561cdeffd15c6162398e3e2cd1976"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rtow-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Vec3`
[INFO] [stderr]  --> src/sphere.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use vec3::{Vec3, Point3};
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cross`
[INFO] [stderr]   --> src/vec3.rs:94:8
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub fn cross(a: Vec3, b: Vec3) -> Vec3 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/sphere.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(center: Point3, radius: f32) -> Sphere {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "66174bb680a861e3d078cdfaf98efe59348561cdeffd15c6162398e3e2cd1976"`
[INFO] running `"docker" "rm" "-f" "66174bb680a861e3d078cdfaf98efe59348561cdeffd15c6162398e3e2cd1976"`
[INFO] [stdout] 66174bb680a861e3d078cdfaf98efe59348561cdeffd15c6162398e3e2cd1976