[INFO] cloning repository https://github.com/rummolprod999/RustExamples
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rummolprod999/RustExamples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frummolprod999%2FRustExamples"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frummolprod999%2FRustExamples'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b54f392ff4cbde8e9c1e1c085e015c6044cbf396
[INFO] checking rummolprod999/RustExamples against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frummolprod999%2FRustExamples" "/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/rummolprod999/RustExamples on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rummolprod999/RustExamples
[INFO] finished tweaking git repo https://github.com/rummolprod999/RustExamples
[INFO] tweaked toml for git repo https://github.com/rummolprod999/RustExamples written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/rummolprod999/RustExamples already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 2ee9a95cd4ec5542113f63d7088df11892362590d419ee5b6a40a8fa0b39c7fe
[INFO] running `"docker" "start" "-a" "2ee9a95cd4ec5542113f63d7088df11892362590d419ee5b6a40a8fa0b39c7fe"`
[INFO] [stderr]     Checking RustExamples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `func_vec`
[INFO] [stderr]   --> src/main.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn func_vec(v: Vec<i32>) -> bool{
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustExamples` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_examples`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `func_vec`
[INFO] [stderr]   --> src/main.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn func_vec(v: Vec<i32>) -> bool{
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustExamples` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_examples`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "2ee9a95cd4ec5542113f63d7088df11892362590d419ee5b6a40a8fa0b39c7fe"`
[INFO] running `"docker" "rm" "-f" "2ee9a95cd4ec5542113f63d7088df11892362590d419ee5b6a40a8fa0b39c7fe"`
[INFO] [stdout] 2ee9a95cd4ec5542113f63d7088df11892362590d419ee5b6a40a8fa0b39c7fe