[INFO] cloning repository https://github.com/pradt2/always-online-stun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pradt2/always-online-stun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpradt2%2Falways-online-stun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpradt2%2Falways-online-stun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c3d7b645d99da84f7999f48b5210d0317e5067d
[INFO] checking pradt2/always-online-stun against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpradt2%2Falways-online-stun" "/workspace/builds/worker-97/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-97/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pradt2/always-online-stun on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pradt2/always-online-stun
[INFO] finished tweaking git repo https://github.com/pradt2/always-online-stun
[INFO] tweaked toml for git repo https://github.com/pradt2/always-online-stun written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate git repo https://github.com/pradt2/always-online-stun already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded trackable v0.2.24
[INFO] [stderr]   Downloaded bytecodec v0.4.15
[INFO] [stderr]   Downloaded stun_codec v0.1.13
[INFO] [stderr]   Downloaded stunclient v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e26a53828a4e425f9d93c0610b2a917df1a45a025fceb8895c9d88ca3bdae558
[INFO] running `Command { std: "docker" "start" "-a" "e26a53828a4e425f9d93c0610b2a917df1a45a025fceb8895c9d88ca3bdae558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e26a53828a4e425f9d93c0610b2a917df1a45a025fceb8895c9d88ca3bdae558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26a53828a4e425f9d93c0610b2a917df1a45a025fceb8895c9d88ca3bdae558", kill_on_drop: false }`
[INFO] [stdout] e26a53828a4e425f9d93c0610b2a917df1a45a025fceb8895c9d88ca3bdae558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cbb26c1509f4b90b1a6097b89dc4de2e1aac86f6be16fd65535324568f8d54d
[INFO] running `Command { std: "docker" "start" "-a" "3cbb26c1509f4b90b1a6097b89dc4de2e1aac86f6be16fd65535324568f8d54d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking hmac-sha1 v0.1.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]     Checking trackable v1.2.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking bytecodec v0.4.15
[INFO] [stderr]     Checking stun_codec v0.1.13
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking stunclient v0.3.1
[INFO] [stderr]     Checking always-online-stun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stunclient::Error`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use stunclient::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::macros::support::thread_rng_n`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::macros::support::thread_rng_n;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter`
[INFO] [stdout]   --> src/main.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio_stream::{iter, StreamExt};
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/candidates.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::ToSocketAddrs`
[INFO] [stdout]  --> src/candidates.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::ToSocketAddrs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/candidates.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]  --> src/stun.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::future::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SocketAddrV4`, `SocketAddrV6`
[INFO] [stdout]  --> src/stun.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{SocketAddr, SocketAddrV4, SocketAddrV6};
[INFO] [stdout]   |                            ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stunclient::Error`
[INFO] [stdout]  --> src/stun.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use stunclient::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io`
[INFO] [stdout]  --> src/stun.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::io;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stunclient::Error`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use stunclient::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::macros::support::thread_rng_n`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::macros::support::thread_rng_n;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter`
[INFO] [stdout]   --> src/main.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio_stream::{iter, StreamExt};
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/candidates.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::ToSocketAddrs`
[INFO] [stdout]  --> src/candidates.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::ToSocketAddrs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/candidates.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]  --> src/stun.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::future::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SocketAddrV4`, `SocketAddrV6`
[INFO] [stdout]  --> src/stun.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{SocketAddr, SocketAddrV4, SocketAddrV6};
[INFO] [stdout]   |                            ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stunclient::Error`
[INFO] [stdout]  --> src/stun.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use stunclient::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io`
[INFO] [stdout]  --> src/stun.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::io;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]   --> src/main.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio_stream::{iter, StreamExt};
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_stream::StreamExt`
[INFO] [stdout]  --> src/candidates.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_stream::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/stun.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |         .map_err(|err| CheckError::DnsResolutionFailed)?.collect::<Vec<_>>();
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]   --> src/main.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio_stream::{iter, StreamExt};
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_stream::StreamExt`
[INFO] [stdout]  --> src/candidates.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_stream::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/stun.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |         .map_err(|err| CheckError::DnsResolutionFailed)?.collect::<Vec<_>>();
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clean_candidates`
[INFO] [stdout]   --> src/candidates.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub async fn clean_candidates() -> io::Result<()> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_duplicates`
[INFO] [stdout]   --> src/candidates.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn remove_duplicates(candidates: Vec<StunCandidate>) -> Vec<StunCandidate> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clean_candidates`
[INFO] [stdout]   --> src/candidates.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub async fn clean_candidates() -> io::Result<()> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_duplicates`
[INFO] [stdout]   --> src/candidates.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn remove_duplicates(candidates: Vec<StunCandidate>) -> Vec<StunCandidate> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.14s
[INFO] running `Command { std: "docker" "inspect" "3cbb26c1509f4b90b1a6097b89dc4de2e1aac86f6be16fd65535324568f8d54d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cbb26c1509f4b90b1a6097b89dc4de2e1aac86f6be16fd65535324568f8d54d", kill_on_drop: false }`
[INFO] [stdout] 3cbb26c1509f4b90b1a6097b89dc4de2e1aac86f6be16fd65535324568f8d54d