[INFO] cloning repository https://github.com/gamozolabs/server_simulator_2020
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gamozolabs/server_simulator_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamozolabs%2Fserver_simulator_2020"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamozolabs%2Fserver_simulator_2020'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6beb5ef7e2601ab1a1e7d2ec9b85ed062ac4db0e
[INFO] checking gamozolabs/server_simulator_2020 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamozolabs%2Fserver_simulator_2020" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gamozolabs/server_simulator_2020 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/gamozolabs/server_simulator_2020
[INFO] finished tweaking git repo https://github.com/gamozolabs/server_simulator_2020
[INFO] tweaked toml for git repo https://github.com/gamozolabs/server_simulator_2020 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/gamozolabs/server_simulator_2020 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 92493dc9dc25cfe9ff7d82a1d25f6d82723f829897e769c08de3fc08085f3830
[INFO] running `"docker" "start" "-a" "92493dc9dc25cfe9ff7d82a1d25f6d82723f829897e769c08de3fc08085f3830"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking server_simulator_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:342:5
[INFO] [stderr]     |
[INFO] [stderr] 311 | /     loop {
[INFO] [stderr] 312 | |         for _ in 0..100000 {
[INFO] [stderr] 313 | |             if let Some(system) = database.random_system() {
[INFO] [stderr] 314 | |                 if system.ram() / system.threads() as u64
[INFO] [stderr] ...   |
[INFO] [stderr] 339 | |         }
[INFO] [stderr] 340 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 341 | 
[INFO] [stderr] 342 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:342:5
[INFO] [stderr]     |
[INFO] [stderr] 311 | /     loop {
[INFO] [stderr] 312 | |         for _ in 0..100000 {
[INFO] [stderr] 313 | |             if let Some(system) = database.random_system() {
[INFO] [stderr] 314 | |                 if system.ram() / system.threads() as u64
[INFO] [stderr] ...   |
[INFO] [stderr] 339 | |         }
[INFO] [stderr] 340 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 341 | 
[INFO] [stderr] 342 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.85s
[INFO] running `"docker" "inspect" "92493dc9dc25cfe9ff7d82a1d25f6d82723f829897e769c08de3fc08085f3830"`
[INFO] running `"docker" "rm" "-f" "92493dc9dc25cfe9ff7d82a1d25f6d82723f829897e769c08de3fc08085f3830"`
[INFO] [stdout] 92493dc9dc25cfe9ff7d82a1d25f6d82723f829897e769c08de3fc08085f3830