[INFO] cloning repository https://github.com/j0n0347/host-finder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j0n0347/host-finder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj0n0347%2Fhost-finder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj0n0347%2Fhost-finder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca2f8c1034bf3892869aaef3fc719ce5090ed795
[INFO] checking j0n0347/host-finder against try#dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e for pr-153721
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj0n0347%2Fhost-finder" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/j0n0347/host-finder
[INFO] finished tweaking git repo https://github.com/j0n0347/host-finder
[INFO] tweaked toml for git repo https://github.com/j0n0347/host-finder written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/j0n0347/host-finder on toolchain dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/j0n0347/host-finder 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" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] aa36409c8831a8306675cbdfc72a1bacf2d35c684fba8719660b13eea85b5ada
[INFO] running `Command { std: "docker" "start" "aa36409c8831a8306675cbdfc72a1bacf2d35c684fba8719660b13eea85b5ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "aa36409c8831a8306675cbdfc72a1bacf2d35c684fba8719660b13eea85b5ada" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa36409c8831a8306675cbdfc72a1bacf2d35c684fba8719660b13eea85b5ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "aa36409c8831a8306675cbdfc72a1bacf2d35c684fba8719660b13eea85b5ada" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
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[INFO] [stderr]    Compiling tokio-macros v2.6.0
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[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]     Checking tokio v1.48.0
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[INFO] [stderr]     Checking clap v4.5.51
[INFO] [stderr]     Checking pnet_packet v0.35.0
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[INFO] [stderr]     Checking host-finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `array`
[INFO] [stdout]  --> src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{array, net::Ipv4Addr, str::FromStr};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_hosts`
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let number_of_hosts = calculate_hosts(prefix);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_hosts`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `array`
[INFO] [stdout]  --> src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{array, net::Ipv4Addr, str::FromStr};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_hosts`
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let number_of_hosts = calculate_hosts(prefix);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_hosts`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/sender.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 let mut sent_packet = MutableEchoReplyPacket::new(&mut buffer).unwrap();
[INFO] [stdout]    |                     ----^^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interface`
[INFO] [stdout]   --> src/bin/sender.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let interface = interfaces
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interface`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/bin/sender.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         Err(e) => panic!("unable to send packet"),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/sender.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     for i in 0..4 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/bin/sender.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Ok((packet, addr)) => {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `net::Ipv4Addr` and `time::Duration`
[INFO] [stdout]  --> src/bin/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{io, net::Ipv4Addr, sync::Arc, time::Duration};
[INFO] [stdout]   |               ^^^^^^^^^^^^^             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `calculate_hosts`
[INFO] [stdout]  --> src/bin/main.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | use host_finder::{calculate_hosts, get_address_subnet, ping::ping_address, populate_addresses};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EtherType` and `MutableEthernetPacket`
[INFO] [stdout]  --> src/bin/receiver.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 | use pnet::packet::ethernet::{EtherType, EtherTypes, EthernetPacket, MutableEthernetPacket};
[INFO] [stdout]   |                              ^^^^^^^^^                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::util::MacAddr`
[INFO] [stdout]   --> src/bin/receiver.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use pnet::util::MacAddr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `net::Ipv4Addr` and `time::Duration`
[INFO] [stdout]  --> src/bin/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{io, net::Ipv4Addr, sync::Arc, time::Duration};
[INFO] [stdout]   |               ^^^^^^^^^^^^^             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `calculate_hosts`
[INFO] [stdout]  --> src/bin/main.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | use host_finder::{calculate_hosts, get_address_subnet, ping::ping_address, populate_addresses};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> tests/integration_tests.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let (address, prefix) = get_address_subnet(&network);
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]   --> tests/integration_tests.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let (address, prefix) = get_address_subnet(&network);
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interface_name`
[INFO] [stdout]    --> src/bin/receiver.rs:126:23
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn handle_ipv6_packet(interface_name: &str, ethernet: &EthernetPacket){
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interface_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ethernet`
[INFO] [stdout]    --> src/bin/receiver.rs:126:45
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn handle_ipv6_packet(interface_name: &str, ethernet: &EthernetPacket){
[INFO] [stdout]     |                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ethernet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EtherType` and `MutableEthernetPacket`
[INFO] [stdout]  --> src/bin/receiver.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 | use pnet::packet::ethernet::{EtherType, EtherTypes, EthernetPacket, MutableEthernetPacket};
[INFO] [stdout]   |                              ^^^^^^^^^                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::util::MacAddr`
[INFO] [stdout]   --> src/bin/receiver.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use pnet::util::MacAddr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/sender.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 let mut sent_packet = MutableEchoReplyPacket::new(&mut buffer).unwrap();
[INFO] [stdout]    |                     ----^^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interface`
[INFO] [stdout]   --> src/bin/sender.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let interface = interfaces
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interface`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/bin/sender.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         Err(e) => panic!("unable to send packet"),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/sender.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     for i in 0..4 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/bin/sender.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Ok((packet, addr)) => {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interface_name`
[INFO] [stdout]    --> src/bin/receiver.rs:126:23
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn handle_ipv6_packet(interface_name: &str, ethernet: &EthernetPacket){
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interface_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ethernet`
[INFO] [stdout]    --> src/bin/receiver.rs:126:45
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn handle_ipv6_packet(interface_name: &str, ethernet: &EthernetPacket){
[INFO] [stdout]     |                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ethernet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: typemap v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "aa36409c8831a8306675cbdfc72a1bacf2d35c684fba8719660b13eea85b5ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa36409c8831a8306675cbdfc72a1bacf2d35c684fba8719660b13eea85b5ada", kill_on_drop: false }`
[INFO] [stdout] aa36409c8831a8306675cbdfc72a1bacf2d35c684fba8719660b13eea85b5ada
