[INFO] cloning repository https://github.com/octorrent/rlibdht
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/octorrent/rlibdht" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foctorrent%2Frlibdht", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foctorrent%2Frlibdht'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eedde0399fad7b80b88029aaa3c03973a4888b11
[INFO] testing octorrent/rlibdht against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foctorrent%2Frlibdht" "/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/octorrent/rlibdht
[INFO] finished tweaking git repo https://github.com/octorrent/rlibdht
[INFO] tweaked toml for git repo https://github.com/octorrent/rlibdht written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/octorrent/rlibdht on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/octorrent/rlibdht 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47a12e05d827e5781248c187be989e1a3da65b09939aaf454a71f7b2629173ec
[INFO] running `Command { std: "docker" "start" "-a" "47a12e05d827e5781248c187be989e1a3da65b09939aaf454a71f7b2629173ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47a12e05d827e5781248c187be989e1a3da65b09939aaf454a71f7b2629173ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a12e05d827e5781248c187be989e1a3da65b09939aaf454a71f7b2629173ec", kill_on_drop: false }`
[INFO] [stdout] 47a12e05d827e5781248c187be989e1a3da65b09939aaf454a71f7b2629173ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec400686b299c9d7967a24d424f5c92285abc233e0434fdf00351b7fdfa9d236
[INFO] running `Command { std: "docker" "start" "-a" "ec400686b299c9d7967a24d424f5c92285abc233e0434fdf00351b7fdfa9d236", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlibbencode v0.1.0
[INFO] [stderr]    Compiling rlibdht v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/kad/server.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BencodeVariable`
[INFO] [stdout]   --> src/kad/server.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rlibbencode::variables::inter::bencode_variable::{BencodeVariable, FromBencode, ToBencode};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/routing/mainline/m_routing_table.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 let id = self.bucket_uid(&n.uid);
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:174:27
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn has_queried(&self, n: &Node, now: u128) -> bool {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:174:37
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn has_queried(&self, n: &Node, now: u128) -> bool {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:178:26
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn bucket_uid(&self, k: &UID) -> usize {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:186:28
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn find_closest(&self, k: &UID, r: usize) -> Vec<Node> {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:186:37
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn find_closest(&self, k: &UID, r: usize) -> Vec<Node> {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:190:27
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn bucket_size(&self, i: usize) -> usize {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]   --> src/refresh/refresh_handler.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let handle = thread::spawn({
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_STALE_COUNT` is never used
[INFO] [stdout]  --> src/routing/mainline/m_bucket.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const MAX_STALE_COUNT: u32 = 1;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cache` is never read
[INFO] [stdout]  --> src/routing/mainline/m_bucket.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MBucket {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 7 |     pub(crate) nodes: Vec<Node>,
[INFO] [stdout] 8 |     pub(crate) cache: Vec<Node>
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/kad/server.rs:106:33
[INFO] [stdout]     |
[INFO] [stdout] 106 | ...                   server.send_to(data.as_slice(), dst_addr);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |                                 let _ = server.send_to(data.as_slice(), dst_addr);
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.12s
[INFO] running `Command { std: "docker" "inspect" "ec400686b299c9d7967a24d424f5c92285abc233e0434fdf00351b7fdfa9d236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec400686b299c9d7967a24d424f5c92285abc233e0434fdf00351b7fdfa9d236", kill_on_drop: false }`
[INFO] [stdout] ec400686b299c9d7967a24d424f5c92285abc233e0434fdf00351b7fdfa9d236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccf76d27da119344a4c4094018306e67f37009ad2f3b8a93d7276a7b7dd9dd42
[INFO] running `Command { std: "docker" "start" "-a" "ccf76d27da119344a4c4094018306e67f37009ad2f3b8a93d7276a7b7dd9dd42", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/kad/server.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BencodeVariable`
[INFO] [stdout]   --> src/kad/server.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rlibbencode::variables::inter::bencode_variable::{BencodeVariable, FromBencode, ToBencode};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/routing/mainline/m_routing_table.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 let id = self.bucket_uid(&n.uid);
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:174:27
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn has_queried(&self, n: &Node, now: u128) -> bool {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:174:37
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn has_queried(&self, n: &Node, now: u128) -> bool {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:178:26
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn bucket_uid(&self, k: &UID) -> usize {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:186:28
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn find_closest(&self, k: &UID, r: usize) -> Vec<Node> {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:186:37
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn find_closest(&self, k: &UID, r: usize) -> Vec<Node> {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:190:27
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn bucket_size(&self, i: usize) -> usize {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]   --> src/refresh/refresh_handler.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let handle = thread::spawn({
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_STALE_COUNT` is never used
[INFO] [stdout]  --> src/routing/mainline/m_bucket.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const MAX_STALE_COUNT: u32 = 1;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cache` is never read
[INFO] [stdout]  --> src/routing/mainline/m_bucket.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MBucket {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 7 |     pub(crate) nodes: Vec<Node>,
[INFO] [stdout] 8 |     pub(crate) cache: Vec<Node>
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rlibdht v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/kad/server.rs:106:33
[INFO] [stdout]     |
[INFO] [stdout] 106 | ...                   server.send_to(data.as_slice(), dst_addr);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |                                 let _ = server.send_to(data.as_slice(), dst_addr);
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/kad/server.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BencodeVariable`
[INFO] [stdout]   --> src/kad/server.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rlibbencode::variables::inter::bencode_variable::{BencodeVariable, FromBencode, ToBencode};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/routing/mainline/m_routing_table.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 let id = self.bucket_uid(&n.uid);
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:174:27
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn has_queried(&self, n: &Node, now: u128) -> bool {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:174:37
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn has_queried(&self, n: &Node, now: u128) -> bool {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:178:26
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn bucket_uid(&self, k: &UID) -> usize {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:186:28
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn find_closest(&self, k: &UID, r: usize) -> Vec<Node> {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:186:37
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn find_closest(&self, k: &UID, r: usize) -> Vec<Node> {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/routing/mainline/m_routing_table.rs:190:27
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn bucket_size(&self, i: usize) -> usize {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]   --> src/refresh/refresh_handler.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let handle = thread::spawn({
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_STALE_COUNT` is never used
[INFO] [stdout]  --> src/routing/mainline/m_bucket.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const MAX_STALE_COUNT: u32 = 1;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cache` is never read
[INFO] [stdout]  --> src/routing/mainline/m_bucket.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MBucket {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 7 |     pub(crate) nodes: Vec<Node>,
[INFO] [stdout] 8 |     pub(crate) cache: Vec<Node>
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `resolve_hostname` is never used
[INFO] [stdout]   --> src/lib.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn resolve_hostname(hostname: &str) -> Result<IpAddr, std::io::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/kad/server.rs:106:33
[INFO] [stdout]     |
[INFO] [stdout] 106 | ...                   server.send_to(data.as_slice(), dst_addr);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |                                 let _ = server.send_to(data.as_slice(), dst_addr);
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `Command { std: "docker" "inspect" "ccf76d27da119344a4c4094018306e67f37009ad2f3b8a93d7276a7b7dd9dd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf76d27da119344a4c4094018306e67f37009ad2f3b8a93d7276a7b7dd9dd42", kill_on_drop: false }`
[INFO] [stdout] ccf76d27da119344a4c4094018306e67f37009ad2f3b8a93d7276a7b7dd9dd42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f2f3a2cf042557d05a2a63afed13ce446df3a089515ed1fbb7d294bd2b1cb98
[INFO] running `Command { std: "docker" "start" "-a" "1f2f3a2cf042557d05a2a63afed13ce446df3a089515ed1fbb7d294bd2b1cb98", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Mutex`
[INFO] [stderr]  --> src/kad/server.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BencodeVariable`
[INFO] [stderr]   --> src/kad/server.rs:12:55
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rlibbencode::variables::inter::bencode_variable::{BencodeVariable, FromBencode, ToBencode};
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/routing/mainline/m_routing_table.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 let id = self.bucket_uid(&n.uid);
[INFO] [stderr]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/routing/mainline/m_routing_table.rs:174:27
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn has_queried(&self, n: &Node, now: u128) -> bool {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]    --> src/routing/mainline/m_routing_table.rs:174:37
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn has_queried(&self, n: &Node, now: u128) -> bool {
[INFO] [stderr]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/routing/mainline/m_routing_table.rs:178:26
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn bucket_uid(&self, k: &UID) -> usize {
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/routing/mainline/m_routing_table.rs:186:28
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn find_closest(&self, k: &UID, r: usize) -> Vec<Node> {
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/routing/mainline/m_routing_table.rs:186:37
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn find_closest(&self, k: &UID, r: usize) -> Vec<Node> {
[INFO] [stderr]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/routing/mainline/m_routing_table.rs:190:27
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn bucket_size(&self, i: usize) -> usize {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handle`
[INFO] [stderr]   --> src/refresh/refresh_handler.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let handle = thread::spawn({
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MAX_STALE_COUNT` is never used
[INFO] [stderr]  --> src/routing/mainline/m_bucket.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | const MAX_STALE_COUNT: u32 = 1;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `cache` is never read
[INFO] [stderr]  --> src/routing/mainline/m_bucket.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct MBucket {
[INFO] [stderr]   |            ------- field in this struct
[INFO] [stderr] 7 |     pub(crate) nodes: Vec<Node>,
[INFO] [stderr] 8 |     pub(crate) cache: Vec<Node>
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/kad/server.rs:106:33
[INFO] [stderr]     |
[INFO] [stderr] 106 | ...                   server.send_to(data.as_slice(), dst_addr);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 106 |                                 let _ = server.send_to(data.as_slice(), dst_addr);
[INFO] [stderr]     |                                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rlibdht` (lib) generated 13 warnings (run `cargo fix --lib -p rlibdht` to apply 1 suggestion)
[INFO] [stderr] warning: function `resolve_hostname` is never used
[INFO] [stderr]   --> src/lib.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn resolve_hostname(hostname: &str) -> Result<IpAddr, std::io::Error> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rlibdht` (lib test) generated 14 warnings (13 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rlibdht-3dfc39a3f0585051)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "1f2f3a2cf042557d05a2a63afed13ce446df3a089515ed1fbb7d294bd2b1cb98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2f3a2cf042557d05a2a63afed13ce446df3a089515ed1fbb7d294bd2b1cb98", kill_on_drop: false }`
[INFO] [stdout] 1f2f3a2cf042557d05a2a63afed13ce446df3a089515ed1fbb7d294bd2b1cb98
