[INFO] updating cached repository https://github.com/kozmof/mathchain
[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] d688a0aa8972e14a810a56a19d7fc54c50568bf1
[INFO] checking kozmof/mathchain against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkozmof%2Fmathchain" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kozmof/mathchain 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/kozmof/mathchain
[INFO] finished tweaking git repo https://github.com/kozmof/mathchain
[INFO] tweaked toml for git repo https://github.com/kozmof/mathchain written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/kozmof/mathchain 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4744f5827bd319a3d25a0ee90c3f195e373e7edc2ba36a64285c6f46a5e52fae
[INFO] running `"docker" "start" "-a" "4744f5827bd319a3d25a0ee90c3f195e373e7edc2ba36a64285c6f46a5e52fae"`
[INFO] [stderr]     Checking mathchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/vector.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn new(x: T, y: T, z: T) -> Vec3<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `distsq`
[INFO] [stderr]    --> src/vector.rs:181:1
[INFO] [stderr]     |
[INFO] [stderr] 181 | / pub fn distsq<T>(vec1: &Vec3<T>, vec2: &Vec3<T>) -> T where
[INFO] [stderr] 182 | |     T: Mul<Output=T> + Add<Output=T> + Sub<Output=T> + Clone + FloatBound
[INFO] [stderr] 183 | | {
[INFO] [stderr] 184 | |     let dd: T = (vec1.clone().x - vec2.clone().x) * (vec1.clone().x - vec2.clone().x) + (vec1.clone().y - vec2.clone().y) * (vec1.clone().y - vec2.clone().y) + (vec1.clone().z - vec2.clone().z) * (vec1.clone().z - vec2.clone().z);
[INFO] [stderr] 185 | |     dd
[INFO] [stderr] 186 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "4744f5827bd319a3d25a0ee90c3f195e373e7edc2ba36a64285c6f46a5e52fae"`
[INFO] running `"docker" "rm" "-f" "4744f5827bd319a3d25a0ee90c3f195e373e7edc2ba36a64285c6f46a5e52fae"`
[INFO] [stdout] 4744f5827bd319a3d25a0ee90c3f195e373e7edc2ba36a64285c6f46a5e52fae