[INFO] updating cached repository lluchs/sixpunch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lluchs/sixpunch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lluchs/sixpunch" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/lluchs/sixpunch"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/lluchs/sixpunch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lluchs/sixpunch" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/lluchs/sixpunch"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/lluchs/sixpunch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7af24d9e00584a9dea7c37914863a4bb4b76e238
[INFO] sha for GitHub repo lluchs/sixpunch: 7af24d9e00584a9dea7c37914863a4bb4b76e238
[INFO] validating manifest of lluchs/sixpunch on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lluchs/sixpunch on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lluchs/sixpunch
[INFO] finished frobbing lluchs/sixpunch
[INFO] frobbed toml for lluchs/sixpunch written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/lluchs/sixpunch/Cargo.toml
[INFO] started frobbing lluchs/sixpunch
[INFO] finished frobbing lluchs/sixpunch
[INFO] frobbed toml for lluchs/sixpunch written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/lluchs/sixpunch/Cargo.toml
[INFO] crate lluchs/sixpunch already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lluchs/sixpunch against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/lluchs/sixpunch:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 79e084963ae41c5ba35ab97b6e5ec81bd3de3d94fd7de69c0e2bdaf5b1b75ca9
[INFO] running `"docker" "start" "-a" "79e084963ae41c5ba35ab97b6e5ec81bd3de3d94fd7de69c0e2bdaf5b1b75ca9"`
[INFO] [stderr]    Compiling quote v0.3.14
[INFO] [stderr]     Checking serde v0.9.10
[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/crater/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 `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: `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 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 23.13s
[INFO] running `"docker" "inspect" "79e084963ae41c5ba35ab97b6e5ec81bd3de3d94fd7de69c0e2bdaf5b1b75ca9"`
[INFO] running `"docker" "rm" "-f" "79e084963ae41c5ba35ab97b6e5ec81bd3de3d94fd7de69c0e2bdaf5b1b75ca9"`
[INFO] [stdout] 79e084963ae41c5ba35ab97b6e5ec81bd3de3d94fd7de69c0e2bdaf5b1b75ca9