[INFO] fetching crate dhust 0.1.0...
[INFO] testing dhust-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate dhust 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate dhust 0.1.0
[INFO] finished tweaking crates.io crate dhust 0.1.0
[INFO] tweaked toml for crates.io crate dhust 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dhust 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 56 packages to highest compatible versions
[INFO] [stderr]       Adding simple_logger v4.3.3 (available: v5.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded powerfmt v0.2.1
[INFO] [stderr]   Downloaded deranged v0.5.9
[INFO] [stderr]   Downloaded simple_logger v4.3.3
[INFO] [stderr]   Downloaded num_threads v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] df1be1758a9fdf1283e809a7e078f462a6fbb40dcbef5bf29b2dc01ea7476650
[INFO] running `Command { std: "docker" "start" "df1be1758a9fdf1283e809a7e078f462a6fbb40dcbef5bf29b2dc01ea7476650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df1be1758a9fdf1283e809a7e078f462a6fbb40dcbef5bf29b2dc01ea7476650", 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" "df1be1758a9fdf1283e809a7e078f462a6fbb40dcbef5bf29b2dc01ea7476650" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df1be1758a9fdf1283e809a7e078f462a6fbb40dcbef5bf29b2dc01ea7476650", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "df1be1758a9fdf1283e809a7e078f462a6fbb40dcbef5bf29b2dc01ea7476650" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.16.3
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling lazy_static v1.5.1
[INFO] [stderr]    Compiling powerfmt v0.2.1
[INFO] [stderr]    Compiling num_threads v0.1.8
[INFO] [stderr]    Compiling deranged v0.5.9
[INFO] [stderr]    Compiling time-macros v0.2.32
[INFO] [stderr]    Compiling mio v1.2.4
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling time v0.3.55
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling tokio v1.53.3
[INFO] [stderr]    Compiling simple_logger v4.3.3
[INFO] [stderr]    Compiling dhust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `IpAddr`
[INFO] [stdout]  --> src/lib.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{time::Duration, sync::{Arc, Mutex}, net::{IpAddr, Ipv4Addr, SocketAddr, SocketAddrV4}};
[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: `c`
[INFO] [stdout]   --> src/lib.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     async fn fix_fingers(c: Arc<Mutex<chord_node::ChordNode>>) {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/lib.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     async fn stabilize(c: Arc<Mutex<chord_node::ChordNode>>) {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/lib.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |     async fn check_pred(c: Arc<Mutex<chord_node::ChordNode>>) {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub async fn lookups (&self, key: &str) -> SocketAddr {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/lib.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let t = self.data.lock();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `lookup` is never used
[INFO] [stdout]  --> src/chord_node.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl ChordNode {
[INFO] [stdout]   | -------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn lookup() {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 22.11s
[INFO] running `Command { std: "docker" "inspect" "df1be1758a9fdf1283e809a7e078f462a6fbb40dcbef5bf29b2dc01ea7476650", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "df1be1758a9fdf1283e809a7e078f462a6fbb40dcbef5bf29b2dc01ea7476650" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `IpAddr`
[INFO] [stdout]  --> src/lib.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{time::Duration, sync::{Arc, Mutex}, net::{IpAddr, Ipv4Addr, SocketAddr, SocketAddrV4}};
[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: `c`
[INFO] [stdout]   --> src/lib.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     async fn fix_fingers(c: Arc<Mutex<chord_node::ChordNode>>) {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/lib.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     async fn stabilize(c: Arc<Mutex<chord_node::ChordNode>>) {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/lib.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |     async fn check_pred(c: Arc<Mutex<chord_node::ChordNode>>) {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dhust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub async fn lookups (&self, key: &str) -> SocketAddr {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/lib.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let t = self.data.lock();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `lookup` is never used
[INFO] [stdout]  --> src/chord_node.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl ChordNode {
[INFO] [stdout]   | -------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn lookup() {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IpAddr`
[INFO] [stdout]  --> src/lib.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{time::Duration, sync::{Arc, Mutex}, net::{IpAddr, Ipv4Addr, SocketAddr, SocketAddrV4}};
[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: `c`
[INFO] [stdout]   --> src/lib.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     async fn fix_fingers(c: Arc<Mutex<chord_node::ChordNode>>) {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/lib.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     async fn stabilize(c: Arc<Mutex<chord_node::ChordNode>>) {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/lib.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |     async fn check_pred(c: Arc<Mutex<chord_node::ChordNode>>) {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub async fn lookups (&self, key: &str) -> SocketAddr {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/lib.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let t = self.data.lock();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `lookup` is never used
[INFO] [stdout]  --> src/chord_node.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl ChordNode {
[INFO] [stdout]   | -------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn lookup() {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "df1be1758a9fdf1283e809a7e078f462a6fbb40dcbef5bf29b2dc01ea7476650", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "df1be1758a9fdf1283e809a7e078f462a6fbb40dcbef5bf29b2dc01ea7476650" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `IpAddr`
[INFO] [stderr]  --> src/lib.rs:1:53
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{time::Duration, sync::{Arc, Mutex}, net::{IpAddr, Ipv4Addr, SocketAddr, SocketAddrV4}};
[INFO] [stderr]   |                                                     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/lib.rs:43:26
[INFO] [stderr]    |
[INFO] [stderr] 43 |     async fn fix_fingers(c: Arc<Mutex<chord_node::ChordNode>>) {
[INFO] [stderr]    |                          ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/lib.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 |     async fn stabilize(c: Arc<Mutex<chord_node::ChordNode>>) {
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/lib.rs:61:25
[INFO] [stderr]    |
[INFO] [stderr] 61 |     async fn check_pred(c: Arc<Mutex<chord_node::ChordNode>>) {
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/lib.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub async fn lookups (&self, key: &str) -> SocketAddr {
[INFO] [stderr]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/lib.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let t = self.data.lock();
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `lookup` is never used
[INFO] [stderr]  --> src/chord_node.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl ChordNode {
[INFO] [stderr]   | -------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn lookup() {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dhust` (lib) generated 7 warnings (run `cargo fix --lib -p dhust` to apply 6 suggestions)
[INFO] [stderr] warning: `dhust` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/dhust-56edaf7ba9c5b764)
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dhust
[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" "df1be1758a9fdf1283e809a7e078f462a6fbb40dcbef5bf29b2dc01ea7476650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1be1758a9fdf1283e809a7e078f462a6fbb40dcbef5bf29b2dc01ea7476650", kill_on_drop: false }`
[INFO] [stdout] df1be1758a9fdf1283e809a7e078f462a6fbb40dcbef5bf29b2dc01ea7476650
