[INFO] cloning repository https://github.com/csrene/udpcat
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/csrene/udpcat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsrene%2Fudpcat"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsrene%2Fudpcat'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cef27f903e1b7043089e5bf1970e24320ff60875
[INFO] checking csrene/udpcat against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsrene%2Fudpcat" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/csrene/udpcat on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/csrene/udpcat
[INFO] finished tweaking git repo https://github.com/csrene/udpcat
[INFO] tweaked toml for git repo https://github.com/csrene/udpcat written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/csrene/udpcat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] ec6f87239b5fec72e0ebbff2bc354c7a1cc8b57d7cb897aa37cf286dbbad2a18
[INFO] running `"docker" "start" "-a" "ec6f87239b5fec72e0ebbff2bc354c7a1cc8b57d7cb897aa37cf286dbbad2a18"`
[INFO] [stderr]     Checking udpcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Instant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `UNIX_EPOCH`
[INFO] [stderr]   --> src/main.rs:36:63
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn main() -> std::io::Result<()> {use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stderr]    |                                                               ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 48 | /     loop {
[INFO] [stderr] 49 | |
[INFO] [stderr] 50 | |         let (amt, src) = socket.recv_from(&mut buf)?;
[INFO] [stderr] 51 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 64 | |         }
[INFO] [stderr] 65 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 66 | 
[INFO] [stderr] 67 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Instant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `UNIX_EPOCH`
[INFO] [stderr]   --> src/main.rs:36:63
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn main() -> std::io::Result<()> {use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stderr]    |                                                               ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 48 | /     loop {
[INFO] [stderr] 49 | |
[INFO] [stderr] 50 | |         let (amt, src) = socket.recv_from(&mut buf)?;
[INFO] [stderr] 51 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 64 | |         }
[INFO] [stderr] 65 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 66 | 
[INFO] [stderr] 67 |       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 1.86s
[INFO] running `"docker" "inspect" "ec6f87239b5fec72e0ebbff2bc354c7a1cc8b57d7cb897aa37cf286dbbad2a18"`
[INFO] running `"docker" "rm" "-f" "ec6f87239b5fec72e0ebbff2bc354c7a1cc8b57d7cb897aa37cf286dbbad2a18"`
[INFO] [stdout] ec6f87239b5fec72e0ebbff2bc354c7a1cc8b57d7cb897aa37cf286dbbad2a18