Dec 14 01:14:54.201 INFO testing blechschmidt/masswhois against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 01:14:54.201 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 01:14:54.449 INFO [stdout] 8f515273a6f9cbcd7ce7566a1e03e9bfc05c3898a0e646ae0430037fbb18cdc8
Dec 14 01:14:54.452 INFO running `"docker" "start" "-a" "8f515273a6f9cbcd7ce7566a1e03e9bfc05c3898a0e646ae0430037fbb18cdc8"`
Dec 14 01:14:55.006 INFO [stderr] usermod: no changes
Dec 14 01:14:55.207 INFO [stderr]    Compiling openssl v0.9.13
Dec 14 01:14:55.207 INFO [stderr]    Compiling proc-macro-hack-impl v0.3.3
Dec 14 01:14:55.207 INFO [stderr]    Compiling unindent v0.1.2
Dec 14 01:14:55.207 INFO [stderr]    Compiling trust-dns v0.10.2
Dec 14 01:14:55.207 INFO [stderr]    Compiling netbuf v0.4.0
Dec 14 01:14:55.207 INFO [stderr]    Compiling iovec v0.1.0
Dec 14 01:14:55.207 INFO [stderr]    Compiling net2 v0.2.29
Dec 14 01:14:55.207 INFO [stderr]    Compiling backtrace v0.2.3
Dec 14 01:14:56.547 INFO [stderr]    Compiling bytes v0.4.4
Dec 14 01:14:59.485 INFO [stderr]    Compiling mio v0.6.8
Dec 14 01:14:59.567 INFO [stderr]    Compiling error-chain v0.1.12
Dec 14 01:14:59.579 INFO [stderr]    Compiling proc-macro-hack v0.3.3
Dec 14 01:15:00.775 INFO [stderr]    Compiling indoc-impl v0.2.1
Dec 14 01:15:00.897 INFO [stderr]    Compiling tokio-io v0.1.2
Dec 14 01:15:04.391 INFO [stderr]    Compiling indoc v0.2.1
Dec 14 01:15:04.458 INFO [stderr]    Compiling tokio-core v0.1.7
Dec 14 01:15:08.297 INFO [stderr]    Compiling tokio-openssl v0.1.2
Dec 14 01:15:20.603 INFO [stderr]    Compiling masswhois v0.1.0 (/source)
Dec 14 01:15:23.111 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 14 01:15:23.111 INFO [stderr]    --> src/dnsutils/mod.rs:486:25
Dec 14 01:15:23.111 INFO [stderr]     |
Dec 14 01:15:23.111 INFO [stderr] 486 |         self.expiry.add((ExpiryRef::Positive(keyref, index)), ttl);
Dec 14 01:15:23.111 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 14 01:15:23.111 INFO [stderr]     |
Dec 14 01:15:23.111 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 14 01:15:23.111 INFO [stderr] 
Dec 14 01:15:23.476 INFO [stderr] warning: value assigned to `nocache` is never read
Dec 14 01:15:23.476 INFO [stderr]    --> src/dnsutils/mod.rs:341:17
Dec 14 01:15:23.476 INFO [stderr]     |
Dec 14 01:15:23.476 INFO [stderr] 341 |         let mut nocache = false;
Dec 14 01:15:23.476 INFO [stderr]     |                 ^^^^^^^
Dec 14 01:15:23.476 INFO [stderr]     |
Dec 14 01:15:23.476 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 14 01:15:23.476 INFO [stderr] 
Dec 14 01:15:23.476 INFO [stderr] warning: unused variable: `expiry`
Dec 14 01:15:23.476 INFO [stderr]    --> src/dnsutils/mod.rs:462:13
Dec 14 01:15:23.476 INFO [stderr]     |
Dec 14 01:15:23.476 INFO [stderr] 462 |         let expiry = SystemTime::now() + ttl;
Dec 14 01:15:23.476 INFO [stderr]     |             ^^^^^^ help: consider using `_expiry` instead
Dec 14 01:15:23.476 INFO [stderr]     |
Dec 14 01:15:23.476 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 01:15:23.476 INFO [stderr] 
Dec 14 01:15:23.559 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:15:23.559 INFO [stderr]    --> src/dnsutils/mod.rs:161:19
Dec 14 01:15:23.559 INFO [stderr]     |
Dec 14 01:15:23.559 INFO [stderr] 161 |     fn send_query(mut bufvec: &mut Vec<u8>, qname: &String, qtype: RecordType, sock: &mut UdpSocket, to: &SocketAddr, id: u16) {
Dec 14 01:15:23.559 INFO [stderr]     |                   ----^^^^^^
Dec 14 01:15:23.559 INFO [stderr]     |                   |
Dec 14 01:15:23.559 INFO [stderr]     |                   help: remove this `mut`
Dec 14 01:15:23.559 INFO [stderr]     |
Dec 14 01:15:23.559 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 01:15:23.559 INFO [stderr] 
Dec 14 01:15:23.575 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:15:23.575 INFO [stderr]    --> src/dnsutils/mod.rs:203:13
Dec 14 01:15:23.575 INFO [stderr]     |
Dec 14 01:15:23.575 INFO [stderr] 203 |         let mut recv;
Dec 14 01:15:23.575 INFO [stderr]     |             ----^^^^
Dec 14 01:15:23.575 INFO [stderr]     |             |
Dec 14 01:15:23.575 INFO [stderr]     |             help: remove this `mut`
Dec 14 01:15:23.575 INFO [stderr] 
Dec 14 01:15:23.575 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:15:23.575 INFO [stderr]    --> src/dnsutils/mod.rs:316:17
Dec 14 01:15:23.575 INFO [stderr]     |
Dec 14 01:15:23.575 INFO [stderr] 316 |             let mut res = self.resolving.get_mut(&(qname.clone(), qtype));
Dec 14 01:15:23.575 INFO [stderr]     |                 ----^^^
Dec 14 01:15:23.575 INFO [stderr]     |                 |
Dec 14 01:15:23.575 INFO [stderr]     |                 help: remove this `mut`
Dec 14 01:15:23.575 INFO [stderr] 
Dec 14 01:15:23.575 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:15:23.575 INFO [stderr]    --> src/dnsutils/mod.rs:344:17
Dec 14 01:15:23.575 INFO [stderr]     |
Dec 14 01:15:23.575 INFO [stderr] 344 |             let mut preferred_cache = preferred_cache.unwrap();
Dec 14 01:15:23.575 INFO [stderr]     |                 ----^^^^^^^^^^^^^^^
Dec 14 01:15:23.575 INFO [stderr]     |                 |
Dec 14 01:15:23.575 INFO [stderr]     |                 help: remove this `mut`
Dec 14 01:15:23.575 INFO [stderr] 
Dec 14 01:15:23.587 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:15:23.587 INFO [stderr]    --> src/dnsutils/mod.rs:434:25
Dec 14 01:15:23.587 INFO [stderr]     |
Dec 14 01:15:23.587 INFO [stderr] 434 |                     let mut records = rec.unwrap();
Dec 14 01:15:23.587 INFO [stderr]     |                         ----^^^^^^^
Dec 14 01:15:23.587 INFO [stderr]     |                         |
Dec 14 01:15:23.587 INFO [stderr]     |                         help: remove this `mut`
Dec 14 01:15:23.587 INFO [stderr] 
Dec 14 01:15:23.591 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:15:23.591 INFO [stderr]    --> src/dnsutils/mod.rs:494:21
Dec 14 01:15:23.591 INFO [stderr]     |
Dec 14 01:15:23.591 INFO [stderr] 494 |                 let mut record = result.unwrap();
Dec 14 01:15:23.591 INFO [stderr]     |                     ----^^^^^^
Dec 14 01:15:23.591 INFO [stderr]     |                     |
Dec 14 01:15:23.591 INFO [stderr]     |                     help: remove this `mut`
Dec 14 01:15:23.591 INFO [stderr] 
Dec 14 01:15:23.611 INFO [stderr] warning: field is never used: `encoding`
Dec 14 01:15:23.611 INFO [stderr]   --> src/dnsutils/mod.rs:85:5
Dec 14 01:15:23.611 INFO [stderr]    |
Dec 14 01:15:23.611 INFO [stderr] 85 |     encoding: HashMap<String, &'a String>, // 0x20 encoding
Dec 14 01:15:23.611 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:15:23.611 INFO [stderr]    |
Dec 14 01:15:23.611 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 01:15:23.611 INFO [stderr] 
Dec 14 01:15:23.611 INFO [stderr] warning: field is never used: `resolve_parallel`
Dec 14 01:15:23.611 INFO [stderr]   --> src/dnsutils/mod.rs:91:5
Dec 14 01:15:23.611 INFO [stderr]    |
Dec 14 01:15:23.611 INFO [stderr] 91 |     resolve_parallel: bool,
Dec 14 01:15:23.611 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:15:23.611 INFO [stderr] 
Dec 14 01:15:23.611 INFO [stderr] warning: field is never used: `round_robin`
Dec 14 01:15:23.611 INFO [stderr]   --> src/dnsutils/mod.rs:94:5
Dec 14 01:15:23.611 INFO [stderr]    |
Dec 14 01:15:23.611 INFO [stderr] 94 |     round_robin: RoundRobin,
Dec 14 01:15:23.611 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:15:23.611 INFO [stderr] 
Dec 14 01:15:23.611 INFO [stderr] warning: field is never used: `round_robin_index`
Dec 14 01:15:23.611 INFO [stderr]   --> src/dnsutils/mod.rs:95:5
Dec 14 01:15:23.611 INFO [stderr]    |
Dec 14 01:15:23.611 INFO [stderr] 95 |     round_robin_index: usize,
Dec 14 01:15:23.611 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:15:23.611 INFO [stderr] 
Dec 14 01:15:23.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 01:15:23.619 INFO [stderr]    --> src/dnsutils/mod.rs:164:9
Dec 14 01:15:23.619 INFO [stderr]     |
Dec 14 01:15:23.619 INFO [stderr] 164 |         sock.send_to(msg.to_vec().unwrap().as_slice(), to);
Dec 14 01:15:23.619 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:15:23.619 INFO [stderr]     |
Dec 14 01:15:23.619 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 01:15:23.619 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 01:15:23.619 INFO [stderr] 
Dec 14 01:15:23.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 01:15:23.619 INFO [stderr]    --> src/dnsutils/mod.rs:192:13
Dec 14 01:15:23.619 INFO [stderr]     |
Dec 14 01:15:23.619 INFO [stderr] 192 |             poll.register(self.socket4.as_mut().unwrap(), Token(start_token + added), Ready::readable(), PollOpt::edge());
Dec 14 01:15:23.619 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:15:23.619 INFO [stderr]     |
Dec 14 01:15:23.619 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 01:15:23.619 INFO [stderr] 
Dec 14 01:15:23.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 01:15:23.619 INFO [stderr]    --> src/dnsutils/mod.rs:196:13
Dec 14 01:15:23.619 INFO [stderr]     |
Dec 14 01:15:23.619 INFO [stderr] 196 |             poll.register(self.socket6.as_mut().unwrap(), Token(start_token + added), Ready::readable(), PollOpt::edge());
Dec 14 01:15:23.619 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:15:23.619 INFO [stderr]     |
Dec 14 01:15:23.619 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 01:15:23.619 INFO [stderr] 
Dec 14 01:15:28.707 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.71s
Dec 14 01:15:28.718 INFO [stderr] su: No module specific data is present
Dec 14 01:15:29.547 INFO running `"docker" "inspect" "8f515273a6f9cbcd7ce7566a1e03e9bfc05c3898a0e646ae0430037fbb18cdc8"`
Dec 14 01:15:29.832 INFO running `"docker" "rm" "-f" "8f515273a6f9cbcd7ce7566a1e03e9bfc05c3898a0e646ae0430037fbb18cdc8"`
Dec 14 01:15:30.099 INFO [stdout] 8f515273a6f9cbcd7ce7566a1e03e9bfc05c3898a0e646ae0430037fbb18cdc8
Dec 14 01:15:30.107 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 01:15:30.716 INFO [stdout] 43233f145e5607bbce1e43d3abde48324efccbc4246ac90f8f40125896c025e6
Dec 14 01:15:30.721 INFO running `"docker" "start" "-a" "43233f145e5607bbce1e43d3abde48324efccbc4246ac90f8f40125896c025e6"`
Dec 14 01:15:31.931 INFO [stderr] usermod: no changes
Dec 14 01:15:32.117 INFO [stderr]    Compiling masswhois v0.1.0 (/source)
Dec 14 01:15:34.635 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 14 01:15:34.635 INFO [stderr]    --> src/dnsutils/mod.rs:486:25
Dec 14 01:15:34.635 INFO [stderr]     |
Dec 14 01:15:34.635 INFO [stderr] 486 |         self.expiry.add((ExpiryRef::Positive(keyref, index)), ttl);
Dec 14 01:15:34.635 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 14 01:15:34.635 INFO [stderr]     |
Dec 14 01:15:34.635 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 14 01:15:34.635 INFO [stderr] 
Dec 14 01:15:34.931 INFO [stderr] warning: value assigned to `nocache` is never read
Dec 14 01:15:34.931 INFO [stderr]    --> src/dnsutils/mod.rs:341:17
Dec 14 01:15:34.932 INFO [stderr]     |
Dec 14 01:15:34.932 INFO [stderr] 341 |         let mut nocache = false;
Dec 14 01:15:34.932 INFO [stderr]     |                 ^^^^^^^
Dec 14 01:15:34.932 INFO [stderr]     |
Dec 14 01:15:34.933 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 14 01:15:34.933 INFO [stderr] 
Dec 14 01:15:34.933 INFO [stderr] warning: unused variable: `expiry`
Dec 14 01:15:34.933 INFO [stderr]    --> src/dnsutils/mod.rs:462:13
Dec 14 01:15:34.933 INFO [stderr]     |
Dec 14 01:15:34.934 INFO [stderr] 462 |         let expiry = SystemTime::now() + ttl;
Dec 14 01:15:34.934 INFO [stderr]     |             ^^^^^^ help: consider using `_expiry` instead
Dec 14 01:15:34.934 INFO [stderr]     |
Dec 14 01:15:34.935 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 01:15:34.935 INFO [stderr] 
Dec 14 01:15:34.997 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:15:34.997 INFO [stderr]    --> src/dnsutils/mod.rs:161:19
Dec 14 01:15:34.997 INFO [stderr]     |
Dec 14 01:15:34.998 INFO [stderr] 161 |     fn send_query(mut bufvec: &mut Vec<u8>, qname: &String, qtype: RecordType, sock: &mut UdpSocket, to: &SocketAddr, id: u16) {
Dec 14 01:15:34.998 INFO [stderr]     |                   ----^^^^^^
Dec 14 01:15:34.998 INFO [stderr]     |                   |
Dec 14 01:15:34.999 INFO [stderr]     |                   help: remove this `mut`
Dec 14 01:15:34.999 INFO [stderr]     |
Dec 14 01:15:34.999 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 01:15:34.999 INFO [stderr] 
Dec 14 01:15:35.007 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:15:35.008 INFO [stderr]    --> src/dnsutils/mod.rs:203:13
Dec 14 01:15:35.008 INFO [stderr]     |
Dec 14 01:15:35.008 INFO [stderr] 203 |         let mut recv;
Dec 14 01:15:35.008 INFO [stderr]     |             ----^^^^
Dec 14 01:15:35.009 INFO [stderr]     |             |
Dec 14 01:15:35.009 INFO [stderr]     |             help: remove this `mut`
Dec 14 01:15:35.009 INFO [stderr] 
Dec 14 01:15:35.009 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:15:35.010 INFO [stderr]    --> src/dnsutils/mod.rs:316:17
Dec 14 01:15:35.010 INFO [stderr]     |
Dec 14 01:15:35.010 INFO [stderr] 316 |             let mut res = self.resolving.get_mut(&(qname.clone(), qtype));
Dec 14 01:15:35.011 INFO [stderr]     |                 ----^^^
Dec 14 01:15:35.011 INFO [stderr]     |                 |
Dec 14 01:15:35.011 INFO [stderr]     |                 help: remove this `mut`
Dec 14 01:15:35.011 INFO [stderr] 
Dec 14 01:15:35.012 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:15:35.012 INFO [stderr]    --> src/dnsutils/mod.rs:344:17
Dec 14 01:15:35.012 INFO [stderr]     |
Dec 14 01:15:35.012 INFO [stderr] 344 |             let mut preferred_cache = preferred_cache.unwrap();
Dec 14 01:15:35.013 INFO [stderr]     |                 ----^^^^^^^^^^^^^^^
Dec 14 01:15:35.013 INFO [stderr]     |                 |
Dec 14 01:15:35.013 INFO [stderr]     |                 help: remove this `mut`
Dec 14 01:15:35.013 INFO [stderr] 
Dec 14 01:15:35.017 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:15:35.017 INFO [stderr]    --> src/dnsutils/mod.rs:434:25
Dec 14 01:15:35.017 INFO [stderr]     |
Dec 14 01:15:35.018 INFO [stderr] 434 |                     let mut records = rec.unwrap();
Dec 14 01:15:35.018 INFO [stderr]     |                         ----^^^^^^^
Dec 14 01:15:35.018 INFO [stderr]     |                         |
Dec 14 01:15:35.018 INFO [stderr]     |                         help: remove this `mut`
Dec 14 01:15:35.019 INFO [stderr] 
Dec 14 01:15:35.020 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:15:35.020 INFO [stderr]    --> src/dnsutils/mod.rs:494:21
Dec 14 01:15:35.020 INFO [stderr]     |
Dec 14 01:15:35.021 INFO [stderr] 494 |                 let mut record = result.unwrap();
Dec 14 01:15:35.021 INFO [stderr]     |                     ----^^^^^^
Dec 14 01:15:35.021 INFO [stderr]     |                     |
Dec 14 01:15:35.022 INFO [stderr]     |                     help: remove this `mut`
Dec 14 01:15:35.022 INFO [stderr] 
Dec 14 01:15:35.043 INFO [stderr] warning: field is never used: `encoding`
Dec 14 01:15:35.044 INFO [stderr]   --> src/dnsutils/mod.rs:85:5
Dec 14 01:15:35.044 INFO [stderr]    |
Dec 14 01:15:35.044 INFO [stderr] 85 |     encoding: HashMap<String, &'a String>, // 0x20 encoding
Dec 14 01:15:35.044 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:15:35.045 INFO [stderr]    |
Dec 14 01:15:35.045 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 01:15:35.045 INFO [stderr] 
Dec 14 01:15:35.045 INFO [stderr] warning: field is never used: `resolve_parallel`
Dec 14 01:15:35.046 INFO [stderr]   --> src/dnsutils/mod.rs:91:5
Dec 14 01:15:35.046 INFO [stderr]    |
Dec 14 01:15:35.046 INFO [stderr] 91 |     resolve_parallel: bool,
Dec 14 01:15:35.046 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:15:35.046 INFO [stderr] 
Dec 14 01:15:35.046 INFO [stderr] warning: field is never used: `round_robin`
Dec 14 01:15:35.046 INFO [stderr]   --> src/dnsutils/mod.rs:94:5
Dec 14 01:15:35.046 INFO [stderr]    |
Dec 14 01:15:35.046 INFO [stderr] 94 |     round_robin: RoundRobin,
Dec 14 01:15:35.046 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:15:35.046 INFO [stderr] 
Dec 14 01:15:35.046 INFO [stderr] warning: field is never used: `round_robin_index`
Dec 14 01:15:35.046 INFO [stderr]   --> src/dnsutils/mod.rs:95:5
Dec 14 01:15:35.046 INFO [stderr]    |
Dec 14 01:15:35.046 INFO [stderr] 95 |     round_robin_index: usize,
Dec 14 01:15:35.046 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:15:35.046 INFO [stderr] 
Dec 14 01:15:35.048 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 01:15:35.048 INFO [stderr]    --> src/dnsutils/mod.rs:164:9
Dec 14 01:15:35.048 INFO [stderr]     |
Dec 14 01:15:35.048 INFO [stderr] 164 |         sock.send_to(msg.to_vec().unwrap().as_slice(), to);
Dec 14 01:15:35.049 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:15:35.049 INFO [stderr]     |
Dec 14 01:15:35.049 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 01:15:35.049 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 01:15:35.049 INFO [stderr] 
Dec 14 01:15:35.049 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 01:15:35.049 INFO [stderr]    --> src/dnsutils/mod.rs:192:13
Dec 14 01:15:35.049 INFO [stderr]     |
Dec 14 01:15:35.049 INFO [stderr] 192 |             poll.register(self.socket4.as_mut().unwrap(), Token(start_token + added), Ready::readable(), PollOpt::edge());
Dec 14 01:15:35.049 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:15:35.049 INFO [stderr]     |
Dec 14 01:15:35.049 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 01:15:35.049 INFO [stderr] 
Dec 14 01:15:35.049 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 01:15:35.049 INFO [stderr]    --> src/dnsutils/mod.rs:196:13
Dec 14 01:15:35.049 INFO [stderr]     |
Dec 14 01:15:35.049 INFO [stderr] 196 |             poll.register(self.socket6.as_mut().unwrap(), Token(start_token + added), Ready::readable(), PollOpt::edge());
Dec 14 01:15:35.049 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:15:35.049 INFO [stderr]     |
Dec 14 01:15:35.049 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 01:15:35.049 INFO [stderr] 
Dec 14 01:15:35.444 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
Dec 14 01:15:35.453 INFO [stderr] su: No module specific data is present
Dec 14 01:15:36.478 INFO running `"docker" "inspect" "43233f145e5607bbce1e43d3abde48324efccbc4246ac90f8f40125896c025e6"`
Dec 14 01:15:36.743 INFO running `"docker" "rm" "-f" "43233f145e5607bbce1e43d3abde48324efccbc4246ac90f8f40125896c025e6"`
Dec 14 01:15:36.983 INFO [stdout] 43233f145e5607bbce1e43d3abde48324efccbc4246ac90f8f40125896c025e6
Dec 14 01:15:36.985 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 01:15:37.392 INFO [stdout] fd2a7f3110cec3ed62688d1a2bcc0c3cdf85b7943965d73d3d238524f02cd03f
Dec 14 01:15:37.399 INFO running `"docker" "start" "-a" "fd2a7f3110cec3ed62688d1a2bcc0c3cdf85b7943965d73d3d238524f02cd03f"`
Dec 14 01:15:38.304 INFO [stderr] usermod: no changes
Dec 14 01:15:38.511 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
Dec 14 01:15:38.527 INFO [stderr]      Running /target/debug/deps/masswhois-c51a78605cb874f3
Dec 14 01:15:38.558 INFO [stdout] 
Dec 14 01:15:38.558 INFO [stdout] running 0 tests
Dec 14 01:15:38.558 INFO [stdout] 
Dec 14 01:15:38.558 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 01:15:38.558 INFO [stdout] 
Dec 14 01:15:38.562 INFO [stderr] su: No module specific data is present
Dec 14 01:15:38.971 INFO running `"docker" "inspect" "fd2a7f3110cec3ed62688d1a2bcc0c3cdf85b7943965d73d3d238524f02cd03f"`
Dec 14 01:15:39.108 INFO running `"docker" "rm" "-f" "fd2a7f3110cec3ed62688d1a2bcc0c3cdf85b7943965d73d3d238524f02cd03f"`
Dec 14 01:15:39.338 INFO [stdout] fd2a7f3110cec3ed62688d1a2bcc0c3cdf85b7943965d73d3d238524f02cd03f