[INFO] cloning repository https://github.com/MoMus2000/Dns-Resolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MoMus2000/Dns-Resolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoMus2000%2FDns-Resolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoMus2000%2FDns-Resolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95bf25c5dc85a86b2cf53d1a1262bb8cdf20b0b7
[INFO] checking MoMus2000/Dns-Resolver against try#35b6491ce6d2b388d0a5de1e59e2123604af807f for pr-136539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoMus2000%2FDns-Resolver" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MoMus2000/Dns-Resolver on toolchain 35b6491ce6d2b388d0a5de1e59e2123604af807f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MoMus2000/Dns-Resolver
[INFO] finished tweaking git repo https://github.com/MoMus2000/Dns-Resolver
[INFO] tweaked toml for git repo https://github.com/MoMus2000/Dns-Resolver written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MoMus2000/Dns-Resolver 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" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dee4faa8dff208508f1b6ccc4b2b871f805d534b28d4bb28ad19c210d7b11f2
[INFO] running `Command { std: "docker" "start" "-a" "8dee4faa8dff208508f1b6ccc4b2b871f805d534b28d4bb28ad19c210d7b11f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dee4faa8dff208508f1b6ccc4b2b871f805d534b28d4bb28ad19c210d7b11f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dee4faa8dff208508f1b6ccc4b2b871f805d534b28d4bb28ad19c210d7b11f2", kill_on_drop: false }`
[INFO] [stdout] 8dee4faa8dff208508f1b6ccc4b2b871f805d534b28d4bb28ad19c210d7b11f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7697499de27469d2cdc2bcda0ffe674fbb423aeb076f703dfe174fdfe803152e
[INFO] running `Command { std: "docker" "start" "-a" "7697499de27469d2cdc2bcda0ffe674fbb423aeb076f703dfe174fdfe803152e", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking dns-resolver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IpAddr` and `Ipv4Addr`
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::{IpAddr, Ipv4Addr, SocketAddr, UdpSocket};
[INFO] [stdout]   |                ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IpAddr` and `Ipv4Addr`
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::{IpAddr, Ipv4Addr, SocketAddr, UdpSocket};
[INFO] [stdout]   |                ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let header = packet.header;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/main.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn resolve_dns(conn: UdpSocket, buffer: &[u8], sock_addr : SocketAddr){
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sock_addr`
[INFO] [stdout]   --> src/main.rs:47:48
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn resolve_dns(conn: UdpSocket, buffer: &[u8], sock_addr : SocketAddr){
[INFO] [stdout]    |                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sock_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let header = packet.header;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/main.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn resolve_dns(conn: UdpSocket, buffer: &[u8], sock_addr : SocketAddr){
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sock_addr`
[INFO] [stdout]   --> src/main.rs:47:48
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn resolve_dns(conn: UdpSocket, buffer: &[u8], sock_addr : SocketAddr){
[INFO] [stdout]    |                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sock_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "7697499de27469d2cdc2bcda0ffe674fbb423aeb076f703dfe174fdfe803152e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7697499de27469d2cdc2bcda0ffe674fbb423aeb076f703dfe174fdfe803152e", kill_on_drop: false }`
[INFO] [stdout] 7697499de27469d2cdc2bcda0ffe674fbb423aeb076f703dfe174fdfe803152e