[INFO] cloning repository https://github.com/sejongk/hole-punching-poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sejongk/hole-punching-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsejongk%2Fhole-punching-poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsejongk%2Fhole-punching-poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10613c734cd3d4cc1f4b0bee966ffae9f222296d
[INFO] testing sejongk/hole-punching-poc against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsejongk%2Fhole-punching-poc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sejongk/hole-punching-poc on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sejongk/hole-punching-poc
[INFO] finished tweaking git repo https://github.com/sejongk/hole-punching-poc
[INFO] tweaked toml for git repo https://github.com/sejongk/hole-punching-poc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sejongk/hole-punching-poc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing sejongk/hole-punching-poc against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsejongk%2Fhole-punching-poc" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sejongk/hole-punching-poc on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sejongk/hole-punching-poc
[INFO] finished tweaking git repo https://github.com/sejongk/hole-punching-poc
[INFO] tweaked toml for git repo https://github.com/sejongk/hole-punching-poc written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sejongk/hole-punching-poc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd369a975e116e21af1e70ace20eee5577fffe52c578baf60c6d54d8f0fed0d9
[INFO] running `Command { std: "docker" "start" "-a" "dd369a975e116e21af1e70ace20eee5577fffe52c578baf60c6d54d8f0fed0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd369a975e116e21af1e70ace20eee5577fffe52c578baf60c6d54d8f0fed0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd369a975e116e21af1e70ace20eee5577fffe52c578baf60c6d54d8f0fed0d9", kill_on_drop: false }`
[INFO] [stdout] dd369a975e116e21af1e70ace20eee5577fffe52c578baf60c6d54d8f0fed0d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a2811154e3e0275cd6840d1bd29940ab9b17023a1f5db4e2a2e787bfd2c1cc9
[INFO] running `Command { std: "docker" "start" "-a" "6a2811154e3e0275cd6840d1bd29940ab9b17023a1f5db4e2a2e787bfd2c1cc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
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[INFO] [stderr]    Compiling pin-project-lite v0.2.12
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[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
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[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling memchr v2.5.0
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[INFO] [stderr]    Compiling futures-util v0.3.28
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[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cc v1.0.83
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[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
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[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling tower-service v0.3.2
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[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling webrtc-util v0.7.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling ipnet v2.8.0
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling url v2.4.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling crc-catalog v2.2.0
[INFO] [stderr]    Compiling os_str_bytes v6.5.1
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling http-range-header v0.3.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling crc v3.0.1
[INFO] [stderr]    Compiling md-5 v0.10.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling matchit v0.5.0
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling base64 v0.21.3
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling axum-core v0.2.9
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling tokio-util v0.7.8
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tower-http v0.3.5
[INFO] [stderr]    Compiling h2 v0.3.21
[INFO] [stderr]    Compiling stun v0.4.4
[INFO] [stderr]    Compiling hyper v0.14.27
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling axum v0.5.17
[INFO] [stderr]    Compiling reqwest v0.11.20
[INFO] [stderr]    Compiling hole-punching-poc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/udp_server.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 89  | /     loop {
[INFO] [stdout] 90  | |         let file = File::open(stun_cands_file_name.clone())?;
[INFO] [stdout] 91  | |         let reader = BufReader::new(file);
[INFO] [stdout] 92  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 107 | |         time::sleep(request_period).await;
[INFO] [stdout] 108 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 109 |
[INFO] [stdout] 110 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/udp_server.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 89  | /     loop {
[INFO] [stdout] 90  | |         let file = File::open(stun_cands_file_name.clone())?;
[INFO] [stdout] 91  | |         let reader = BufReader::new(file);
[INFO] [stdout] 92  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 107 | |         time::sleep(request_period).await;
[INFO] [stdout] 108 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 109 |
[INFO] [stdout] 110 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/udp_server.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | /     loop {
[INFO] [stdout] 62 | |         match conn.recv_from(&mut buf).await {
[INFO] [stdout] 63 | |             Ok((len, addr)) => match msg.unmarshal_binary(&buf) {
[INFO] [stdout] 64 | |                 Ok(_) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |         }
[INFO] [stdout] 80 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 81 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/udp_server.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | /     loop {
[INFO] [stdout] 62 | |         match conn.recv_from(&mut buf).await {
[INFO] [stdout] 63 | |             Ok((len, addr)) => match msg.unmarshal_binary(&buf) {
[INFO] [stdout] 64 | |                 Ok(_) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |         }
[INFO] [stdout] 80 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 81 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/udp_server.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | async fn main() -> Result<(), Error> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `keep_connecting_to_allowed_clients` is never used
[INFO] [stdout]    --> src/udp_server.rs:113:10
[INFO] [stdout]     |
[INFO] [stdout] 113 | async fn keep_connecting_to_allowed_clients(
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "6a2811154e3e0275cd6840d1bd29940ab9b17023a1f5db4e2a2e787bfd2c1cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2811154e3e0275cd6840d1bd29940ab9b17023a1f5db4e2a2e787bfd2c1cc9", kill_on_drop: false }`
[INFO] [stdout] 6a2811154e3e0275cd6840d1bd29940ab9b17023a1f5db4e2a2e787bfd2c1cc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b4f2addf30d41d2e8fcab5505f994d777a9630d03ddf59753df011d7d7646f4
[INFO] running `Command { std: "docker" "start" "-a" "1b4f2addf30d41d2e8fcab5505f994d777a9630d03ddf59753df011d7d7646f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling hole-punching-poc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/udp_server.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 89  | /     loop {
[INFO] [stdout] 90  | |         let file = File::open(stun_cands_file_name.clone())?;
[INFO] [stdout] 91  | |         let reader = BufReader::new(file);
[INFO] [stdout] 92  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 107 | |         time::sleep(request_period).await;
[INFO] [stdout] 108 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 109 |
[INFO] [stdout] 110 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/udp_server.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 89  | /     loop {
[INFO] [stdout] 90  | |         let file = File::open(stun_cands_file_name.clone())?;
[INFO] [stdout] 91  | |         let reader = BufReader::new(file);
[INFO] [stdout] 92  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 107 | |         time::sleep(request_period).await;
[INFO] [stdout] 108 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 109 |
[INFO] [stdout] 110 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/udp_server.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | /     loop {
[INFO] [stdout] 62 | |         match conn.recv_from(&mut buf).await {
[INFO] [stdout] 63 | |             Ok((len, addr)) => match msg.unmarshal_binary(&buf) {
[INFO] [stdout] 64 | |                 Ok(_) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |         }
[INFO] [stdout] 80 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 81 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/udp_server.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | /     loop {
[INFO] [stdout] 62 | |         match conn.recv_from(&mut buf).await {
[INFO] [stdout] 63 | |             Ok((len, addr)) => match msg.unmarshal_binary(&buf) {
[INFO] [stdout] 64 | |                 Ok(_) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |         }
[INFO] [stdout] 80 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 81 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/udp_server.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | async fn main() -> Result<(), Error> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `keep_connecting_to_allowed_clients` is never used
[INFO] [stdout]    --> src/udp_server.rs:113:10
[INFO] [stdout]     |
[INFO] [stdout] 113 | async fn keep_connecting_to_allowed_clients(
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "1b4f2addf30d41d2e8fcab5505f994d777a9630d03ddf59753df011d7d7646f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b4f2addf30d41d2e8fcab5505f994d777a9630d03ddf59753df011d7d7646f4", kill_on_drop: false }`
[INFO] [stdout] 1b4f2addf30d41d2e8fcab5505f994d777a9630d03ddf59753df011d7d7646f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f054a1091f86d1fe0b946a715f7e2d9f1140a19eca401b67058e4192e8f3df76
[INFO] running `Command { std: "docker" "start" "-a" "f054a1091f86d1fe0b946a715f7e2d9f1140a19eca401b67058e4192e8f3df76", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/udp_server.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 89  | /     loop {
[INFO] [stderr] 90  | |         let file = File::open(stun_cands_file_name.clone())?;
[INFO] [stderr] 91  | |         let reader = BufReader::new(file);
[INFO] [stderr] 92  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 107 | |         time::sleep(request_period).await;
[INFO] [stderr] 108 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 109 |
[INFO] [stderr] 110 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/udp_server.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | /     loop {
[INFO] [stderr] 62 | |         match conn.recv_from(&mut buf).await {
[INFO] [stderr] 63 | |             Ok((len, addr)) => match msg.unmarshal_binary(&buf) {
[INFO] [stderr] 64 | |                 Ok(_) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |         }
[INFO] [stderr] 80 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 81 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/udp_server.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | async fn main() -> Result<(), Error> {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `keep_connecting_to_allowed_clients` is never used
[INFO] [stderr]    --> src/udp_server.rs:113:10
[INFO] [stderr]     |
[INFO] [stderr] 113 | async fn keep_connecting_to_allowed_clients(
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hole-punching-poc` (bin "server" test) generated 2 warnings
[INFO] [stderr] warning: `hole-punching-poc` (bin "client" test) generated 4 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/udp_client.rs (/opt/rustwide/target/debug/deps/client-5230654e68122cf2)
[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]      Running unittests src/udp_server.rs (/opt/rustwide/target/debug/deps/server-ec18feac0bb3044f)
[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" "f054a1091f86d1fe0b946a715f7e2d9f1140a19eca401b67058e4192e8f3df76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f054a1091f86d1fe0b946a715f7e2d9f1140a19eca401b67058e4192e8f3df76", kill_on_drop: false }`
[INFO] [stdout] f054a1091f86d1fe0b946a715f7e2d9f1140a19eca401b67058e4192e8f3df76
