[INFO] cloning repository https://github.com/cydry3/my_tcp_proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cydry3/my_tcp_proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcydry3%2Fmy_tcp_proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcydry3%2Fmy_tcp_proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 496750c58f029b582e57f7cbe535d439196a3503
[INFO] checking cydry3/my_tcp_proxy against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcydry3%2Fmy_tcp_proxy" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cydry3/my_tcp_proxy on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cydry3/my_tcp_proxy
[INFO] finished tweaking git repo https://github.com/cydry3/my_tcp_proxy
[INFO] tweaked toml for git repo https://github.com/cydry3/my_tcp_proxy written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cydry3/my_tcp_proxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bebd6dc29ec0a5181ddb033946ff1a9d1cd257b412f8e373e98147a0384ace87
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bebd6dc29ec0a5181ddb033946ff1a9d1cd257b412f8e373e98147a0384ace87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bebd6dc29ec0a5181ddb033946ff1a9d1cd257b412f8e373e98147a0384ace87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bebd6dc29ec0a5181ddb033946ff1a9d1cd257b412f8e373e98147a0384ace87", kill_on_drop: false }`
[INFO] [stdout] bebd6dc29ec0a5181ddb033946ff1a9d1cd257b412f8e373e98147a0384ace87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ee2d172414653136ccdfcf97178c77a4199a30ec84335ca72b07b0ed3dcb7cc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5ee2d172414653136ccdfcf97178c77a4199a30ec84335ca72b07b0ed3dcb7cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking trust-dns-proto v0.19.4
[INFO] [stderr]     Checking trust-dns-client v0.19.4
[INFO] [stderr]     Checking trust-dns-resolver v0.19.4
[INFO] [stderr]     Checking my_tcp_proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/dns.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trust_dns_proto::DnsStreamHandle`
[INFO] [stdout]  --> src/dns.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use trust_dns_proto::DnsStreamHandle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::*`
[INFO] [stdout]  --> src/dns_tokioasync.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::*;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncResolver`
[INFO] [stdout]  --> src/dns_tokioasync.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use trust_dns_resolver::{AsyncResolver, TokioAsyncResolver};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/dns.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trust_dns_proto::DnsStreamHandle`
[INFO] [stdout]  --> src/dns.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use trust_dns_proto::DnsStreamHandle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::*`
[INFO] [stdout]  --> src/dns_tokioasync.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::*;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::runtime::Runtime`
[INFO] [stdout]  --> src/dns_tokioasync.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::runtime::Runtime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trust_dns_resolver::config::*`
[INFO] [stdout]  --> src/dns_tokioasync.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use trust_dns_resolver::config::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncResolver`, `TokioAsyncResolver`
[INFO] [stdout]  --> src/dns_tokioasync.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use trust_dns_resolver::{AsyncResolver, TokioAsyncResolver};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/dns_tokioasync.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut response = io_loop.block_on(fut_resolved).unwrap();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `connect_authoritative`
[INFO] [stdout]   --> src/dns.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn connect_authoritative(address: &str) -> SyncClient<UdpClientConnection> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query`
[INFO] [stdout]   --> src/dns.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn query(address: &str, name: &str) -> io::Result<Ipv4Addr> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.38s
[INFO] running `Command { std: "docker" "inspect" "5ee2d172414653136ccdfcf97178c77a4199a30ec84335ca72b07b0ed3dcb7cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee2d172414653136ccdfcf97178c77a4199a30ec84335ca72b07b0ed3dcb7cc", kill_on_drop: false }`
[INFO] [stdout] 5ee2d172414653136ccdfcf97178c77a4199a30ec84335ca72b07b0ed3dcb7cc