[INFO] updating cached repository https://github.com/keeperofdakeys/dns-delegation-check
[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] a198cb238874fc5e2db3094017d9162faa820788
[INFO] checking keeperofdakeys/dns-delegation-check against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeeperofdakeys%2Fdns-delegation-check" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keeperofdakeys/dns-delegation-check on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/keeperofdakeys/dns-delegation-check
[INFO] finished tweaking git repo https://github.com/keeperofdakeys/dns-delegation-check
[INFO] tweaked toml for git repo https://github.com/keeperofdakeys/dns-delegation-check written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/keeperofdakeys/dns-delegation-check already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] e759c8b3645e9dca3884b866b29d255fd213fde0c8cda0f11b8e27e2cea9c1f9
[INFO] running `"docker" "start" "-a" "e759c8b3645e9dca3884b866b29d255fd213fde0c8cda0f11b8e27e2cea9c1f9"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]     Checking radix_trie v0.1.4
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.7
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking data-encoding-macro v0.1.7
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking trust-dns v0.16.1
[INFO] [stderr]     Checking dns-delegation-check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::dns`
[INFO] [stderr]  --> src/db.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use super::dns;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RecordType`
[INFO] [stderr]  --> src/db.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 | use trust_dns::rr::{RecordType, RData};
[INFO] [stderr]   |                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/db.rs:140:38
[INFO] [stderr]     |
[INFO] [stderr] 140 |     let mut records = HashSet::new();;
[INFO] [stderr]     |                                      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Ipv4Addr`, `Ipv6Addr`
[INFO] [stderr]  --> src/dns.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net::{Ipv4Addr, Ipv6Addr, IpAddr};
[INFO] [stderr]   |                ^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ClientConnection`, `ClientStreamHandle`
[INFO] [stderr]  --> src/dns.rs:3:32
[INFO] [stderr]   |
[INFO] [stderr] 3 | use trust_dns::client::{Client,ClientConnection, ClientStreamHandle, SyncClient};
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server`
[INFO] [stderr]    --> src/db.rs:142:10
[INFO] [stderr]     |
[INFO] [stderr] 142 |     for (server, entry) in servers {
[INFO] [stderr]     |          ^^^^^^ help: consider prefixing with an underscore: `_server`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `missing_entries` is assigned to, but never used
[INFO] [stderr]    --> src/db.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |     let mut missing_entries = 0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_missing_entries` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name_records`
[INFO] [stderr]    --> src/db.rs:197:11
[INFO] [stderr]     |
[INFO] [stderr] 197 |       let name_records = match self.records.get(name) {
[INFO] [stderr]     |           ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_name_records`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::dns`
[INFO] [stderr]  --> src/db.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use super::dns;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RecordType`
[INFO] [stderr]  --> src/db.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 | use trust_dns::rr::{RecordType, RData};
[INFO] [stderr]   |                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/db.rs:140:38
[INFO] [stderr]     |
[INFO] [stderr] 140 |     let mut records = HashSet::new();;
[INFO] [stderr]     |                                      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Ipv4Addr`, `Ipv6Addr`
[INFO] [stderr]  --> src/dns.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net::{Ipv4Addr, Ipv6Addr, IpAddr};
[INFO] [stderr]   |                ^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ClientConnection`, `ClientStreamHandle`
[INFO] [stderr]  --> src/dns.rs:3:32
[INFO] [stderr]   |
[INFO] [stderr] 3 | use trust_dns::client::{Client,ClientConnection, ClientStreamHandle, SyncClient};
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoEntry`
[INFO] [stderr]   --> src/db.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |   NoEntry,
[INFO] [stderr]    |   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TimeOut`
[INFO] [stderr]   --> src/db.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |   TimeOut,
[INFO] [stderr]    |   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_closest_domain`
[INFO] [stderr]    --> src/db.rs:163:3
[INFO] [stderr]     |
[INFO] [stderr] 163 |   pub fn find_closest_domain(&self, name: &rr::Name) -> rr::Name {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server`
[INFO] [stderr]    --> src/db.rs:142:10
[INFO] [stderr]     |
[INFO] [stderr] 142 |     for (server, entry) in servers {
[INFO] [stderr]     |          ^^^^^^ help: consider prefixing with an underscore: `_server`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `missing_entries` is assigned to, but never used
[INFO] [stderr]    --> src/db.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |     let mut missing_entries = 0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_missing_entries` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name_records`
[INFO] [stderr]    --> src/db.rs:197:11
[INFO] [stderr]     |
[INFO] [stderr] 197 |       let name_records = match self.records.get(name) {
[INFO] [stderr]     |           ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_name_records`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoEntry`
[INFO] [stderr]   --> src/db.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |   NoEntry,
[INFO] [stderr]    |   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TimeOut`
[INFO] [stderr]   --> src/db.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |   TimeOut,
[INFO] [stderr]    |   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_closest_domain`
[INFO] [stderr]    --> src/db.rs:163:3
[INFO] [stderr]     |
[INFO] [stderr] 163 |   pub fn find_closest_domain(&self, name: &rr::Name) -> rr::Name {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.34s
[INFO] running `"docker" "inspect" "e759c8b3645e9dca3884b866b29d255fd213fde0c8cda0f11b8e27e2cea9c1f9"`
[INFO] running `"docker" "rm" "-f" "e759c8b3645e9dca3884b866b29d255fd213fde0c8cda0f11b8e27e2cea9c1f9"`
[INFO] [stdout] e759c8b3645e9dca3884b866b29d255fd213fde0c8cda0f11b8e27e2cea9c1f9