[INFO] cloning repository https://github.com/r281GQ/bottles_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r281GQ/bottles_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr281GQ%2Fbottles_rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr281GQ%2Fbottles_rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 35f9d5619678fd68f52e3dd29e0431b8ad1ff444
[INFO] checking r281GQ/bottles_rust against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr281GQ%2Fbottles_rust" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/r281GQ/bottles_rust on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/r281GQ/bottles_rust
[INFO] finished tweaking git repo https://github.com/r281GQ/bottles_rust
[INFO] tweaked toml for git repo https://github.com/r281GQ/bottles_rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/r281GQ/bottles_rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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] 90726f305bc7e0df48c135480105b89727c9c0ce1ffe24c26c15171fb5651846
[INFO] running `"docker" "start" "-a" "90726f305bc7e0df48c135480105b89727c9c0ce1ffe24c26c15171fb5651846"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking bottles_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `create_verse`
[INFO] [stderr]  --> src/song.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn create_verse(from: i32) -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_verses`
[INFO] [stderr]   --> src/song.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn create_verses(from: i32, to: i32) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "90726f305bc7e0df48c135480105b89727c9c0ce1ffe24c26c15171fb5651846"`
[INFO] running `"docker" "rm" "-f" "90726f305bc7e0df48c135480105b89727c9c0ce1ffe24c26c15171fb5651846"`
[INFO] [stdout] 90726f305bc7e0df48c135480105b89727c9c0ce1ffe24c26c15171fb5651846