[INFO] updating cached repository https://github.com/JPMoresmau/rust-interview
[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] b98536660962f2e0ad3d5540cbd877fa38ace622
[INFO] checking JPMoresmau/rust-interview against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPMoresmau%2Frust-interview" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JPMoresmau/rust-interview on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/JPMoresmau/rust-interview
[INFO] finished tweaking git repo https://github.com/JPMoresmau/rust-interview
[INFO] tweaked toml for git repo https://github.com/JPMoresmau/rust-interview written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/JPMoresmau/rust-interview already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] d689ff3ea10e35556664e88e5afd677812c8a69d1bd52bf8848fc169ed7a97b5
[INFO] running `"docker" "start" "-a" "d689ff3ea10e35556664e88e5afd677812c8a69d1bd52bf8848fc169ed7a97b5"`
[INFO] [stderr]     Checking interview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `heap_right`
[INFO] [stderr]    --> src/array.rs:326:4
[INFO] [stderr]     |
[INFO] [stderr] 326 | fn heap_right (i: usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `heap_right`
[INFO] [stderr]    --> src/array.rs:326:4
[INFO] [stderr]     |
[INFO] [stderr] 326 | fn heap_right (i: usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "d689ff3ea10e35556664e88e5afd677812c8a69d1bd52bf8848fc169ed7a97b5"`
[INFO] running `"docker" "rm" "-f" "d689ff3ea10e35556664e88e5afd677812c8a69d1bd52bf8848fc169ed7a97b5"`
[INFO] [stdout] d689ff3ea10e35556664e88e5afd677812c8a69d1bd52bf8848fc169ed7a97b5