[INFO] cloning repository https://github.com/Fattouche/HolePuncher
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fattouche/HolePuncher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFattouche%2FHolePuncher"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFattouche%2FHolePuncher'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db548855de835e484b4abc965df243d06e7d9ecb
[INFO] checking Fattouche/HolePuncher against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFattouche%2FHolePuncher" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fattouche/HolePuncher on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Fattouche/HolePuncher
[INFO] finished tweaking git repo https://github.com/Fattouche/HolePuncher
[INFO] tweaked toml for git repo https://github.com/Fattouche/HolePuncher written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Fattouche/HolePuncher already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf5c0c7277d1a78dbc39c18b8a4f359774704ce16200e7d388cee14e6db21c75
[INFO] running `"docker" "start" "-a" "bf5c0c7277d1a78dbc39c18b8a4f359774704ce16200e7d388cee14e6db21c75"`
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking laminar v0.3.0
[INFO] [stderr]     Checking Holepuncher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/main.rs:6:35
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{BufRead, BufReader, Read, Write};
[INFO] [stderr]   |                                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Socket`
[INFO] [stderr]  --> src/connect.rs:2:23
[INFO] [stderr]   |
[INFO] [stderr] 2 | use laminar::{Packet, Socket, SocketEvent};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `location` is never read
[INFO] [stderr]   --> src/main.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let mut location = String::from("uninitialized");
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/main.rs:64:21
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 let file = File::create(&location).unwrap();
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `timeout_event`
[INFO] [stderr]   --> src/main.rs:82:38
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 SocketEvent::Timeout(timeout_event) => {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_timeout_event`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:56:50
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn recieve_file(reciever: Receiver<SocketEvent>, addr: SocketAddr) -> Result<()> {
[INFO] [stderr]    |                                                  ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/connect.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Err(e) => {
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Holepuncher` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `holepuncher`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/main.rs:6:35
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{BufRead, BufReader, Read, Write};
[INFO] [stderr]   |                                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Socket`
[INFO] [stderr]  --> src/connect.rs:2:23
[INFO] [stderr]   |
[INFO] [stderr] 2 | use laminar::{Packet, Socket, SocketEvent};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `location` is never read
[INFO] [stderr]   --> src/main.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let mut location = String::from("uninitialized");
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/main.rs:64:21
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 let file = File::create(&location).unwrap();
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `timeout_event`
[INFO] [stderr]   --> src/main.rs:82:38
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 SocketEvent::Timeout(timeout_event) => {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_timeout_event`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:56:50
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn recieve_file(reciever: Receiver<SocketEvent>, addr: SocketAddr) -> Result<()> {
[INFO] [stderr]    |                                                  ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/connect.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Err(e) => {
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Holepuncher` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `holepuncher`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `"docker" "inspect" "bf5c0c7277d1a78dbc39c18b8a4f359774704ce16200e7d388cee14e6db21c75"`
[INFO] running `"docker" "rm" "-f" "bf5c0c7277d1a78dbc39c18b8a4f359774704ce16200e7d388cee14e6db21c75"`
[INFO] [stdout] bf5c0c7277d1a78dbc39c18b8a4f359774704ce16200e7d388cee14e6db21c75