[INFO] cloning repository https://github.com/lluchs/sixpunch
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flluchs%2Fsixpunch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7af24d9e00584a9dea7c37914863a4bb4b76e238
[INFO] checking lluchs/sixpunch against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flluchs%2Fsixpunch" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lluchs/sixpunch on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] crate git repo https://github.com/lluchs/sixpunch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28461c46f9cfe376f70e9a212b83a1cc4dc4f10ee65fba235ec9ad7af2cfc7a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "28461c46f9cfe376f70e9a212b83a1cc4dc4f10ee65fba235ec9ad7af2cfc7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28461c46f9cfe376f70e9a212b83a1cc4dc4f10ee65fba235ec9ad7af2cfc7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28461c46f9cfe376f70e9a212b83a1cc4dc4f10ee65fba235ec9ad7af2cfc7a7", kill_on_drop: false }`
[INFO] [stdout] 28461c46f9cfe376f70e9a212b83a1cc4dc4f10ee65fba235ec9ad7af2cfc7a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e2420ad4ae4a576f39a9e3b2f401f2b1ed7f2c75cc3054cba7a3c777f09fd85
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7e2420ad4ae4a576f39a9e3b2f401f2b1ed7f2c75cc3054cba7a3c777f09fd85", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling quote v0.3.14
[INFO] [stderr]     Checking serde v0.9.10
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]    Compiling syn v0.11.8
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking clap v2.20.5
[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] [stdout] warning: unused variable: `number_of_bytes`
[INFO] [stdout]   --> src/udp/puncher.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let (number_of_bytes, src_addr)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_bytes`
[INFO] [stdout]   --> src/udp/client.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let (number_of_bytes, src_addr)
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/udp/client.rs:111:31
[INFO] [stdout]     |
[INFO] [stdout] 111 |             Message::NotFound(id) => return false,
[INFO] [stdout]     |                               ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_bytes`
[INFO] [stdout]   --> src/udp/puncher.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let (number_of_bytes, src_addr)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_bytes`
[INFO] [stdout]   --> src/udp/client.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let (number_of_bytes, src_addr)
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/udp/client.rs:111:31
[INFO] [stdout]     |
[INFO] [stdout] 111 |             Message::NotFound(id) => return false,
[INFO] [stdout]     |                               ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/udp/client.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             self.send_msg(msg.clone(), addr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/udp/client.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             self.send_msg(msg.clone(), addr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_m`
[INFO] [stdout]   --> src/bin/client.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         ("host", Some(sub_m)) => {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_m`
[INFO] [stdout]   --> src/bin/client.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         ("host", Some(sub_m)) => {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.37s
[INFO] running `Command { std: "docker" "inspect" "7e2420ad4ae4a576f39a9e3b2f401f2b1ed7f2c75cc3054cba7a3c777f09fd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e2420ad4ae4a576f39a9e3b2f401f2b1ed7f2c75cc3054cba7a3c777f09fd85", kill_on_drop: false }`
[INFO] [stdout] 7e2420ad4ae4a576f39a9e3b2f401f2b1ed7f2c75cc3054cba7a3c777f09fd85