[INFO] cloning repository https://github.com/lluchs/sixpunch
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lluchs/sixpunch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flluchs%2Fsixpunch"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flluchs%2Fsixpunch'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7af24d9e00584a9dea7c37914863a4bb4b76e238
[INFO] checking lluchs/sixpunch against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flluchs%2Fsixpunch" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lluchs/sixpunch on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lluchs/sixpunch
[INFO] finished tweaking git repo https://github.com/lluchs/sixpunch
[INFO] tweaked toml for git repo https://github.com/lluchs/sixpunch written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/lluchs/sixpunch already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cdf5c02a16cbf302cb878e2acab770a7d7b7f4474f59254b6c3b1ddce0514591
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "cdf5c02a16cbf302cb878e2acab770a7d7b7f4474f59254b6c3b1ddce0514591"`
[INFO] [stderr]    Compiling quote v0.3.14
[INFO] [stderr]     Checking serde v0.9.10
[INFO] [stderr]     Checking clap v2.20.5
[INFO] [stderr]    Compiling syn v0.11.8
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.1
[INFO] [stderr]    Compiling serde_derive v0.9.10
[INFO] [stderr]     Checking bincode v1.0.0-alpha5
[INFO] [stderr]     Checking sixpunch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `number_of_bytes`
[INFO] [stderr]   --> src/udp/puncher.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let (number_of_bytes, src_addr)
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_number_of_bytes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `number_of_bytes`
[INFO] [stderr]   --> src/udp/client.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let (number_of_bytes, src_addr)
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_number_of_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/udp/client.rs:111:31
[INFO] [stderr]     |
[INFO] [stderr] 111 |             Message::NotFound(id) => return false,
[INFO] [stderr]     |                               ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `number_of_bytes`
[INFO] [stderr]   --> src/udp/puncher.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let (number_of_bytes, src_addr)
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_number_of_bytes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `number_of_bytes`
[INFO] [stderr]   --> src/udp/client.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let (number_of_bytes, src_addr)
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_number_of_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/udp/client.rs:111:31
[INFO] [stderr]     |
[INFO] [stderr] 111 |             Message::NotFound(id) => return false,
[INFO] [stderr]     |                               ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/udp/client.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |             self.send_msg(msg.clone(), addr);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/udp/client.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |             self.send_msg(msg.clone(), addr);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sub_m`
[INFO] [stderr]   --> src/bin/client.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |         ("host", Some(sub_m)) => {
[INFO] [stderr]    |                       ^^^^^ help: consider prefixing with an underscore: `_sub_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sub_m`
[INFO] [stderr]   --> src/bin/client.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |         ("host", Some(sub_m)) => {
[INFO] [stderr]    |                       ^^^^^ help: consider prefixing with an underscore: `_sub_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.91s
[INFO] running `"docker" "inspect" "cdf5c02a16cbf302cb878e2acab770a7d7b7f4474f59254b6c3b1ddce0514591"`
[INFO] running `"docker" "rm" "-f" "cdf5c02a16cbf302cb878e2acab770a7d7b7f4474f59254b6c3b1ddce0514591"`
[INFO] [stdout] cdf5c02a16cbf302cb878e2acab770a7d7b7f4474f59254b6c3b1ddce0514591