[INFO] fetching crate grubbnet 0.1.2...
[INFO] checking grubbnet-0.1.2 against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] extracting crate grubbnet 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate grubbnet 0.1.2 on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate grubbnet 0.1.2
[INFO] finished tweaking crates.io crate grubbnet 0.1.2
[INFO] tweaked toml for crates.io crate grubbnet 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate grubbnet 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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] cd0bd0ca802f2b12c80a358bf78351c490411bd3d8bba61cc8227aeddd661d86
[INFO] running `"docker" "start" "-a" "cd0bd0ca802f2b12c80a358bf78351c490411bd3d8bba61cc8227aeddd661d86"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking grubbnet v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> examples/simple_server.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 69  | /     loop {
[INFO] [stderr] 70  | |         // Sleep for a lil bit so we don't hog the CPU
[INFO] [stderr] 71  | |         std::thread::sleep(std::time::Duration::from_millis(100));
[INFO] [stderr] 72  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | |         }
[INFO] [stderr] 133 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 134 | 
[INFO] [stderr] 135 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.19s
[INFO] running `"docker" "inspect" "cd0bd0ca802f2b12c80a358bf78351c490411bd3d8bba61cc8227aeddd661d86"`
[INFO] running `"docker" "rm" "-f" "cd0bd0ca802f2b12c80a358bf78351c490411bd3d8bba61cc8227aeddd661d86"`
[INFO] [stdout] cd0bd0ca802f2b12c80a358bf78351c490411bd3d8bba61cc8227aeddd661d86