[INFO] updating cached repository https://github.com/FlorianFranzen/dx
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a740dfa3a27f6700b2a970da1acf202290ce3a2f
[INFO] checking FlorianFranzen/dx against master#b1f395de642e8be7bcbbd2bd8aaadab715851f49 for pr-69410
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlorianFranzen%2Fdx" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FlorianFranzen/dx on toolchain b1f395de642e8be7bcbbd2bd8aaadab715851f49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/FlorianFranzen/dx
[INFO] finished tweaking git repo https://github.com/FlorianFranzen/dx
[INFO] tweaked toml for git repo https://github.com/FlorianFranzen/dx written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/FlorianFranzen/dx already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "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] 123742ae7457255903b18c6a98a19c5506e16d5990d45a201476882a12fbf1ad
[INFO] running `"docker" "start" "-a" "123742ae7457255903b18c6a98a19c5506e16d5990d45a201476882a12fbf1ad"`
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking futures-timer v3.0.1
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]     Checking nohash-hasher v0.1.3
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking ipnet v2.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking ring v0.16.11
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking libz-sys v1.0.25
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.10
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking quicksink v0.1.1
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking salsa20-core v0.2.3
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.58
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking salsa20 v0.3.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking uint v0.8.2
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking thiserror v1.0.10
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking x25519-dalek v0.5.2
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.58
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking wasm-bindgen v0.2.58
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking js-sys v0.3.35
[INFO] [stderr]     Checking futures_codec v0.3.4
[INFO] [stderr]     Checking rw-stream-sink v0.2.1 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking soketto v0.3.2
[INFO] [stderr]     Checking async-tls v0.6.0
[INFO] [stderr]     Checking yamux v0.4.2
[INFO] [stderr]     Checking libp2p-pnet v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]    Compiling libp2p-core v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]    Compiling libp2p-floodsub v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]    Compiling libp2p-gossipsub v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]    Compiling libp2p-secio v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]    Compiling libp2p-noise v0.13.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]    Compiling libp2p-plaintext v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]    Compiling libp2p-identify v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]    Compiling libp2p-kad v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking unsigned-varint v0.3.0
[INFO] [stderr]     Checking parity-multihash v0.2.2 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking multistream-select v0.7.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking parity-multiaddr v0.7.1 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.8
[INFO] [stderr]     Checking libp2p-swarm v0.5.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking libp2p-dns v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking libp2p-uds v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking libp2p-mplex v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking libp2p-yamux v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking libp2p-wasm-ext v0.8.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking libp2p-websocket v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking libp2p-deflate v0.7.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking libp2p-tcp v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking libp2p-mdns v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking libp2p-ping v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking libp2p v0.15.0 (https://github.com/libp2p/rust-libp2p#d5587162)
[INFO] [stderr]     Checking dx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/behaviour.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]    --> src/status/protocol.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     use std::time::Duration;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/behaviour.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `info`
[INFO] [stderr]    --> src/behaviour.rs:140:45
[INFO] [stderr]     |
[INFO] [stderr] 140 | ...                   if let Some(info) = self.get_peer_info(&id) {
[INFO] [stderr]     |                                   ^^^^ help: consider prefixing with an underscore: `_info`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `info`
[INFO] [stderr]    --> src/behaviour.rs:140:45
[INFO] [stderr]     |
[INFO] [stderr] 140 | ...                   if let Some(info) = self.get_peer_info(&id) {
[INFO] [stderr]     |                                   ^^^^ help: consider prefixing with an underscore: `_info`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/behaviour.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let mut cfg = KademliaConfig::default();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Event`
[INFO] [stderr]   --> src/behaviour.rs:37:6
[INFO] [stderr]    |
[INFO] [stderr] 37 | enum Event {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/behaviour.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let mut cfg = KademliaConfig::default();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Event`
[INFO] [stderr]   --> src/behaviour.rs:37:6
[INFO] [stderr]    |
[INFO] [stderr] 37 | enum Event {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TrustedIdentity`
[INFO] [stderr]  --> src/bin/dxstatus.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     TrustedIdentity,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> src/bin/dxstatus.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use async_std::{io, task};
[INFO] [stderr]   |                 ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error::Error`
[INFO] [stderr]   --> src/bin/dxstatus.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::{error::Error, task::{Context, Poll}};
[INFO] [stderr]    |           ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TrustedIdentity`
[INFO] [stderr]  --> src/bin/dxstatus.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     TrustedIdentity,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> src/bin/dxstatus.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use async_std::{io, task};
[INFO] [stderr]   |                 ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error::Error`
[INFO] [stderr]   --> src/bin/dxstatus.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::{error::Error, task::{Context, Poll}};
[INFO] [stderr]    |           ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 58s
[INFO] running `"docker" "inspect" "123742ae7457255903b18c6a98a19c5506e16d5990d45a201476882a12fbf1ad"`
[INFO] running `"docker" "rm" "-f" "123742ae7457255903b18c6a98a19c5506e16d5990d45a201476882a12fbf1ad"`
[INFO] [stdout] 123742ae7457255903b18c6a98a19c5506e16d5990d45a201476882a12fbf1ad