[INFO] cloning repository https://github.com/wangmarkqi/udp_hole_punching
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wangmarkqi/udp_hole_punching" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangmarkqi%2Fudp_hole_punching", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangmarkqi%2Fudp_hole_punching'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc4dc9effc68425b71747abb0f6aa96044d66834
[INFO] checking wangmarkqi/udp_hole_punching against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangmarkqi%2Fudp_hole_punching" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wangmarkqi/udp_hole_punching on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wangmarkqi/udp_hole_punching
[INFO] finished tweaking git repo https://github.com/wangmarkqi/udp_hole_punching
[INFO] tweaked toml for git repo https://github.com/wangmarkqi/udp_hole_punching written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/wangmarkqi/udp_hole_punching already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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 wasm-bindgen-macro-support v0.2.65
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.65
[INFO] [stderr]   Downloaded sled v0.34.6
[INFO] [stderr]   Downloaded waker-fn v1.0.0
[INFO] [stderr]   Downloaded async-channel v1.1.1
[INFO] [stderr]   Downloaded event-listener v2.2.0
[INFO] [stderr]   Downloaded parking v1.0.5
[INFO] [stderr]   Downloaded concurrent-queue v1.1.1
[INFO] [stderr]   Downloaded blocking v0.4.7
[INFO] [stderr]   Downloaded fastrand v1.3.3
[INFO] [stderr]   Downloaded socket2 v0.3.12
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.65
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] [stderr]   Downloaded bincode v1.3.1
[INFO] [stderr]   Downloaded syn v1.0.35
[INFO] [stderr]   Downloaded smol v0.1.18
[INFO] [stderr]   Downloaded js-sys v0.3.42
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.65
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.15
[INFO] [stderr]   Downloaded futures-lite v0.1.8
[INFO] [stderr]   Downloaded fs2 v0.4.3
[INFO] [stderr]   Downloaded const_fn v0.4.3
[INFO] [stderr]   Downloaded cloudabi v0.1.0
[INFO] [stderr]   Downloaded smallvec v1.5.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.0
[INFO] [stderr]   Downloaded async-std v1.6.2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.65
[INFO] [stderr]   Downloaded web-sys v0.3.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 267c6798aa6a30df8258217cb63da35ee71f71663720068c19a636c6e1d0db73
[INFO] running `Command { std: "docker" "start" "-a" "267c6798aa6a30df8258217cb63da35ee71f71663720068c19a636c6e1d0db73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "267c6798aa6a30df8258217cb63da35ee71f71663720068c19a636c6e1d0db73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267c6798aa6a30df8258217cb63da35ee71f71663720068c19a636c6e1d0db73", kill_on_drop: false }`
[INFO] [stdout] 267c6798aa6a30df8258217cb63da35ee71f71663720068c19a636c6e1d0db73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d53ac30ac1b6e674ed81a28dd11c2ffd71863c8d3b8da72d22147dca93e5d535
[INFO] running `Command { std: "docker" "start" "-a" "d53ac30ac1b6e674ed81a28dd11c2ffd71863c8d3b8da72d22147dca93e5d535", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking parking v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking event-listener v2.2.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking concurrent-queue v1.1.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking async-channel v1.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking futures-lite v0.1.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sled v0.34.6
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking udp_hole_punching v2.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lower`
[INFO] [stdout]   --> src/client/cache_send.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let lower = conf.min_retry_len ;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_lower`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/client/packet.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let remainder = task_total_len % real_capacity_len;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `times`
[INFO] [stdout]    --> src/client/packet.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let times = task_total_len / real_capacity_len;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_times`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/client/listen.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lower`
[INFO] [stdout]   --> src/client/cache_send.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let lower = conf.min_retry_len ;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_lower`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/client/packet.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let remainder = task_total_len % real_capacity_len;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `times`
[INFO] [stdout]    --> src/client/packet.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let times = task_total_len / real_capacity_len;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_times`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/client/packets.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     for i in 0..2000{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/client/packets.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (u,mut pacs) = Packet::new_pacs_from_send_bytes(&v);
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/client/listen.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `PeerAddress` should have an upper case name
[INFO] [stdout]  --> src/client/peer_address.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static PeerAddress: Lazy<Mutex<String>> = Lazy::new(|| {
[INFO] [stdout]   |        ^^^^^^^^^^^ help: convert the identifier to upper case: `PEER_ADDRESS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client/packets.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (u,mut pacs) = Packet::new_pacs_from_send_bytes(&v);
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client/cache_task.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     dbg!(c);
[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]    = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `PeerAddress` should have an upper case name
[INFO] [stdout]  --> src/client/peer_address.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static PeerAddress: Lazy<Mutex<String>> = Lazy::new(|| {
[INFO] [stdout]   |        ^^^^^^^^^^^ help: convert the identifier to upper case: `PEER_ADDRESS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lower`
[INFO] [stdout]   --> src/client/cache_send.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let lower = conf.min_retry_len ;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_lower`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/client/packet.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let remainder = task_total_len % real_capacity_len;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `times`
[INFO] [stdout]    --> src/client/packet.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let times = task_total_len / real_capacity_len;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_times`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/client/listen.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lower`
[INFO] [stdout]   --> src/client/cache_send.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let lower = conf.min_retry_len ;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_lower`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/client/packet.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let remainder = task_total_len % real_capacity_len;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `times`
[INFO] [stdout]    --> src/client/packet.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let times = task_total_len / real_capacity_len;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_times`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/client/packets.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     for i in 0..2000{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/client/packets.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (u,mut pacs) = Packet::new_pacs_from_send_bytes(&v);
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/client/listen.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `PeerAddress` should have an upper case name
[INFO] [stdout]  --> src/client/peer_address.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static PeerAddress: Lazy<Mutex<String>> = Lazy::new(|| {
[INFO] [stdout]   |        ^^^^^^^^^^^ help: convert the identifier to upper case: `PEER_ADDRESS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client/packets.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (u,mut pacs) = Packet::new_pacs_from_send_bytes(&v);
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client/cache_task.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     dbg!(c);
[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]    = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `PeerAddress` should have an upper case name
[INFO] [stdout]  --> src/client/peer_address.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static PeerAddress: Lazy<Mutex<String>> = Lazy::new(|| {
[INFO] [stdout]   |        ^^^^^^^^^^^ help: convert the identifier to upper case: `PEER_ADDRESS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.08s
[INFO] running `Command { std: "docker" "inspect" "d53ac30ac1b6e674ed81a28dd11c2ffd71863c8d3b8da72d22147dca93e5d535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53ac30ac1b6e674ed81a28dd11c2ffd71863c8d3b8da72d22147dca93e5d535", kill_on_drop: false }`
[INFO] [stdout] d53ac30ac1b6e674ed81a28dd11c2ffd71863c8d3b8da72d22147dca93e5d535