[INFO] cloning repository https://github.com/evopen/rsstun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evopen/rsstun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevopen%2Frsstun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevopen%2Frsstun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16065beb510de38f80b499ec28834927228d5408
[INFO] testing evopen/rsstun against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevopen%2Frsstun" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evopen/rsstun on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/evopen/rsstun
[INFO] finished tweaking git repo https://github.com/evopen/rsstun
[INFO] tweaked toml for git repo https://github.com/evopen/rsstun written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/evopen/rsstun already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 887214b2dbbf23b5da5c260c6342c466cb31b93f7b12b8b3c03c53be1a7c88b2
[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" "887214b2dbbf23b5da5c260c6342c466cb31b93f7b12b8b3c03c53be1a7c88b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "887214b2dbbf23b5da5c260c6342c466cb31b93f7b12b8b3c03c53be1a7c88b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887214b2dbbf23b5da5c260c6342c466cb31b93f7b12b8b3c03c53be1a7c88b2", kill_on_drop: false }`
[INFO] [stdout] 887214b2dbbf23b5da5c260c6342c466cb31b93f7b12b8b3c03c53be1a7c88b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01ee8e95012e967c524e7a9b798e4ee8007a5343ae4088205e3cd296ddb91214
[INFO] running `Command { std: "docker" "start" "-a" "01ee8e95012e967c524e7a9b798e4ee8007a5343ae4088205e3cd296ddb91214", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rsstun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `net2::UdpSocketExt`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use net2::UdpSocketExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]   --> src/lib.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn stun_test(socket: &UdpSocket) {}
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]   --> src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let ret = stun_test(socket);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stun_host`
[INFO] [stdout]   --> src/lib.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn get_nat_type(socket: &UdpSocket, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_host`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stun_port`
[INFO] [stdout]   --> src/lib.rs:14:54
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn get_nat_type(socket: &UdpSocket, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |                                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]   --> src/lib.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let socket = UdpSocket::bind(SocketAddr::from((source_ip, source_port))).unwrap();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stun_host`
[INFO] [stdout]   --> src/lib.rs:18:57
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn get_ip_info(source_ip: IpAddr, source_port: u16, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |                                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_host`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stun_port`
[INFO] [stdout]   --> src/lib.rs:18:74
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn get_ip_info(source_ip: IpAddr, source_port: u16, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |                                                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `StunMessage`
[INFO] [stdout]  --> src/lib.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum StunMessage {
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stun_test`
[INFO] [stdout]   --> src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn stun_test(socket: &UdpSocket) {}
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_nat_type`
[INFO] [stdout]   --> src/lib.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn get_nat_type(socket: &UdpSocket, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.47s
[INFO] running `Command { std: "docker" "inspect" "01ee8e95012e967c524e7a9b798e4ee8007a5343ae4088205e3cd296ddb91214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ee8e95012e967c524e7a9b798e4ee8007a5343ae4088205e3cd296ddb91214", kill_on_drop: false }`
[INFO] [stdout] 01ee8e95012e967c524e7a9b798e4ee8007a5343ae4088205e3cd296ddb91214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0bbc27e4e35678b09081fd02674d88ecdb210180acfb243ac36b05cf3b0f712
[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" "b0bbc27e4e35678b09081fd02674d88ecdb210180acfb243ac36b05cf3b0f712", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsstun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `net2::UdpSocketExt`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use net2::UdpSocketExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]   --> src/lib.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn stun_test(socket: &UdpSocket) {}
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]   --> src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let ret = stun_test(socket);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stun_host`
[INFO] [stdout]   --> src/lib.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn get_nat_type(socket: &UdpSocket, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_host`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stun_port`
[INFO] [stdout]   --> src/lib.rs:14:54
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn get_nat_type(socket: &UdpSocket, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |                                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]   --> src/lib.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let socket = UdpSocket::bind(SocketAddr::from((source_ip, source_port))).unwrap();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stun_host`
[INFO] [stdout]   --> src/lib.rs:18:57
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn get_ip_info(source_ip: IpAddr, source_port: u16, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |                                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_host`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stun_port`
[INFO] [stdout]   --> src/lib.rs:18:74
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn get_ip_info(source_ip: IpAddr, source_port: u16, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |                                                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `StunMessage`
[INFO] [stdout]  --> src/lib.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum StunMessage {
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stun_test`
[INFO] [stdout]   --> src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn stun_test(socket: &UdpSocket) {}
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_nat_type`
[INFO] [stdout]   --> src/lib.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn get_nat_type(socket: &UdpSocket, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `net2::UdpSocketExt`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use net2::UdpSocketExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]   --> src/lib.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn stun_test(socket: &UdpSocket) {}
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]   --> src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let ret = stun_test(socket);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stun_host`
[INFO] [stdout]   --> src/lib.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn get_nat_type(socket: &UdpSocket, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_host`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stun_port`
[INFO] [stdout]   --> src/lib.rs:14:54
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn get_nat_type(socket: &UdpSocket, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |                                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]   --> src/lib.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let socket = UdpSocket::bind(SocketAddr::from((source_ip, source_port))).unwrap();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stun_host`
[INFO] [stdout]   --> src/lib.rs:18:57
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn get_ip_info(source_ip: IpAddr, source_port: u16, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |                                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_host`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stun_port`
[INFO] [stdout]   --> src/lib.rs:18:74
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn get_ip_info(source_ip: IpAddr, source_port: u16, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |                                                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `StunMessage`
[INFO] [stdout]  --> src/lib.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum StunMessage {
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stun_test`
[INFO] [stdout]   --> src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn stun_test(socket: &UdpSocket) {}
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_nat_type`
[INFO] [stdout]   --> src/lib.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn get_nat_type(socket: &UdpSocket, stun_host: &str, stun_port: u16) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "b0bbc27e4e35678b09081fd02674d88ecdb210180acfb243ac36b05cf3b0f712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0bbc27e4e35678b09081fd02674d88ecdb210180acfb243ac36b05cf3b0f712", kill_on_drop: false }`
[INFO] [stdout] b0bbc27e4e35678b09081fd02674d88ecdb210180acfb243ac36b05cf3b0f712
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3879b4a57345b76d3eaabe98a8e34ade3bd6da7c3426df4d5259766972d66f58
[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" "3879b4a57345b76d3eaabe98a8e34ade3bd6da7c3426df4d5259766972d66f58", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `net2::UdpSocketExt`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use net2::UdpSocketExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `socket`
[INFO] [stderr]   --> src/lib.rs:12:14
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn stun_test(socket: &UdpSocket) {}
[INFO] [stderr]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret`
[INFO] [stderr]   --> src/lib.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let ret = stun_test(socket);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stun_host`
[INFO] [stderr]   --> src/lib.rs:14:37
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn get_nat_type(socket: &UdpSocket, stun_host: &str, stun_port: u16) {
[INFO] [stderr]    |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_host`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stun_port`
[INFO] [stderr]   --> src/lib.rs:14:54
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn get_nat_type(socket: &UdpSocket, stun_host: &str, stun_port: u16) {
[INFO] [stderr]    |                                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_port`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `socket`
[INFO] [stderr]   --> src/lib.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let socket = UdpSocket::bind(SocketAddr::from((source_ip, source_port))).unwrap();
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stun_host`
[INFO] [stderr]   --> src/lib.rs:18:57
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn get_ip_info(source_ip: IpAddr, source_port: u16, stun_host: &str, stun_port: u16) {
[INFO] [stderr]    |                                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_host`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stun_port`
[INFO] [stderr]   --> src/lib.rs:18:74
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn get_ip_info(source_ip: IpAddr, source_port: u16, stun_host: &str, stun_port: u16) {
[INFO] [stderr]    |                                                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stun_port`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `StunMessage`
[INFO] [stderr]  --> src/lib.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum StunMessage {
[INFO] [stderr]   |      ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stun_test`
[INFO] [stderr]   --> src/lib.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn stun_test(socket: &UdpSocket) {}
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_nat_type`
[INFO] [stderr]   --> src/lib.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn get_nat_type(socket: &UdpSocket, stun_host: &str, stun_port: u16) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rsstun` (lib) generated 11 warnings
[INFO] [stderr] warning: `rsstun` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsstun-45271897621ea540)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsstun-5aa4832b583955c8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rsstun
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3879b4a57345b76d3eaabe98a8e34ade3bd6da7c3426df4d5259766972d66f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3879b4a57345b76d3eaabe98a8e34ade3bd6da7c3426df4d5259766972d66f58", kill_on_drop: false }`
[INFO] [stdout] 3879b4a57345b76d3eaabe98a8e34ade3bd6da7c3426df4d5259766972d66f58