[INFO] cloning repository https://github.com/ArjunKrish7356/DNSserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArjunKrish7356/DNSserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArjunKrish7356%2FDNSserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArjunKrish7356%2FDNSserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3e57a8524e4bcf6b2bd75aeb9fe8d7957cdca42
[INFO] checking ArjunKrish7356/DNSserver against master#c8a31b780d5415358566a20b94912620a3f27067 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArjunKrish7356%2FDNSserver" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ArjunKrish7356/DNSserver
[INFO] finished tweaking git repo https://github.com/ArjunKrish7356/DNSserver
[INFO] tweaked toml for git repo https://github.com/ArjunKrish7356/DNSserver written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ArjunKrish7356/DNSserver on toolchain c8a31b780d5415358566a20b94912620a3f27067
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ArjunKrish7356/DNSserver 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" "+c8a31b780d5415358566a20b94912620a3f27067" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9183c0a1ddaea8d8dc71b35894cb73bb1262a10177a92aac51ba8c2e5bd3c091
[INFO] running `Command { std: "docker" "start" "-a" "9183c0a1ddaea8d8dc71b35894cb73bb1262a10177a92aac51ba8c2e5bd3c091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9183c0a1ddaea8d8dc71b35894cb73bb1262a10177a92aac51ba8c2e5bd3c091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9183c0a1ddaea8d8dc71b35894cb73bb1262a10177a92aac51ba8c2e5bd3c091", kill_on_drop: false }`
[INFO] [stdout] 9183c0a1ddaea8d8dc71b35894cb73bb1262a10177a92aac51ba8c2e5bd3c091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36ae0ee103325cfeea2f81094282ee4a71be36dbb4020ac8429dde23f3fe2259
[INFO] running `Command { std: "docker" "start" "-a" "36ae0ee103325cfeea2f81094282ee4a71be36dbb4020ac8429dde23f3fe2259", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.42.0
[INFO] [stderr]     Checking DNSserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `src/DnsFunctions/DnsResolver.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `DNSserver` (bin "DnsResolver" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't read `src/DnsFunctions/DnsResolver.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `DNSserver` (bin "DnsResolver") due to 1 previous error
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/DnsFunctions/asyncDnsResolver.rs:97:10
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let (size, _) = out_socket.recv_from(&mut root_answer_buffer.buf).await
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ttl`
[INFO] [stdout]    --> src/DnsFunctions/asyncDnsResolver.rs:110:53
[INFO] [stdout]     |
[INFO] [stdout] 110 |             Dnspacket::DnsRecord::A { domain, addr, ttl } => return Ok((domain.clone(), *addr)),
[INFO] [stdout]     |                                                     ^^^ help: try ignoring the field: `ttl: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ResultCode` is more private than the item `DnsHeader::rescode`
[INFO] [stdout]    --> src/DnsFunctions/Dnspacket.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub rescode: ResultCode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^ field `DnsHeader::rescode` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `ResultCode` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/DnsFunctions/Dnspacket.rs:187:1
[INFO] [stdout]     |
[INFO] [stdout] 187 | enum ResultCode {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ResolutionFailed` is never constructed
[INFO] [stdout]   --> src/DnsFunctions/DnsErrors.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum DnsResolverError {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     ResolutionFailed,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DnsResolverError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Dnspacket` should have a snake case name
[INFO] [stdout]  --> src/DnsFunctions/asyncDnsResolver.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod Dnspacket;
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to snake case: `dnspacket`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `DnsErrors` should have a snake case name
[INFO] [stdout]  --> src/DnsFunctions/asyncDnsResolver.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod DnsErrors;
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to snake case: `dns_errors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/DnsFunctions/asyncDnsResolver.rs:97:10
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let (size, _) = out_socket.recv_from(&mut root_answer_buffer.buf).await
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ttl`
[INFO] [stdout]    --> src/DnsFunctions/asyncDnsResolver.rs:110:53
[INFO] [stdout]     |
[INFO] [stdout] 110 |             Dnspacket::DnsRecord::A { domain, addr, ttl } => return Ok((domain.clone(), *addr)),
[INFO] [stdout]     |                                                     ^^^ help: try ignoring the field: `ttl: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ResultCode` is more private than the item `DnsHeader::rescode`
[INFO] [stdout]    --> src/DnsFunctions/Dnspacket.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub rescode: ResultCode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^ field `DnsHeader::rescode` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `ResultCode` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/DnsFunctions/Dnspacket.rs:187:1
[INFO] [stdout]     |
[INFO] [stdout] 187 | enum ResultCode {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ResolutionFailed` is never constructed
[INFO] [stdout]   --> src/DnsFunctions/DnsErrors.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum DnsResolverError {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     ResolutionFailed,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DnsResolverError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Dnspacket` should have a snake case name
[INFO] [stdout]  --> src/DnsFunctions/asyncDnsResolver.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod Dnspacket;
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to snake case: `dnspacket`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `DnsErrors` should have a snake case name
[INFO] [stdout]  --> src/DnsFunctions/asyncDnsResolver.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod DnsErrors;
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to snake case: `dns_errors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "36ae0ee103325cfeea2f81094282ee4a71be36dbb4020ac8429dde23f3fe2259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ae0ee103325cfeea2f81094282ee4a71be36dbb4020ac8429dde23f3fe2259", kill_on_drop: false }`
[INFO] [stdout] 36ae0ee103325cfeea2f81094282ee4a71be36dbb4020ac8429dde23f3fe2259
