Dec 11 21:43:48.792 INFO checking blechschmidt/masswhois against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677 Dec 11 21:43:48.792 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 11 21:43:49.150 INFO [stdout] d5473ca0b92efea46958196b5e6bd9f21b3038e92a980781fabe29d2a3bcc64a Dec 11 21:43:49.156 INFO running `"docker" "start" "-a" "d5473ca0b92efea46958196b5e6bd9f21b3038e92a980781fabe29d2a3bcc64a"` Dec 11 21:43:50.333 INFO [stderr] usermod: no changes Dec 11 21:43:50.588 INFO [stderr] Compiling gcc v0.3.50 Dec 11 21:43:50.596 INFO [stderr] Compiling openssl v0.9.13 Dec 11 21:43:50.601 INFO [stderr] Compiling proc-macro-hack-impl v0.3.3 Dec 11 21:43:50.601 INFO [stderr] Compiling trust-dns v0.10.2 Dec 11 21:43:50.601 INFO [stderr] Compiling unindent v0.1.2 Dec 11 21:43:50.607 INFO [stderr] Checking netbuf v0.4.0 Dec 11 21:43:50.617 INFO [stderr] Checking bytes v0.4.4 Dec 11 21:43:50.632 INFO [stderr] Checking mio v0.6.8 Dec 11 21:43:51.840 INFO [stderr] Checking chrono v0.2.25 Dec 11 21:43:55.850 INFO [stderr] Checking tokio-io v0.1.2 Dec 11 21:43:56.228 INFO [stderr] Compiling proc-macro-hack v0.3.3 Dec 11 21:43:57.421 INFO [stderr] Compiling indoc-impl v0.2.1 Dec 11 21:43:57.802 INFO [stderr] Compiling backtrace-sys v0.1.11 Dec 11 21:43:57.802 INFO [stderr] Compiling openssl-sys v0.9.13 Dec 11 21:43:57.981 INFO [stderr] Checking tokio-core v0.1.7 Dec 11 21:44:01.068 INFO [stderr] Checking indoc v0.2.1 Dec 11 21:44:05.223 INFO [stderr] Checking tokio-openssl v0.1.2 Dec 11 21:44:12.592 INFO [stderr] Checking backtrace v0.2.3 Dec 11 21:44:13.097 INFO [stderr] Checking error-chain v0.1.12 Dec 11 21:44:18.825 INFO [stderr] Checking masswhois v0.1.0 (/source) Dec 11 21:44:21.452 INFO [stderr] warning: unnecessary parentheses around method argument Dec 11 21:44:21.452 INFO [stderr] --> src/dnsutils/mod.rs:486:25 Dec 11 21:44:21.452 INFO [stderr] | Dec 11 21:44:21.452 INFO [stderr] 486 | self.expiry.add((ExpiryRef::Positive(keyref, index)), ttl); Dec 11 21:44:21.452 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Dec 11 21:44:21.452 INFO [stderr] | Dec 11 21:44:21.452 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 11 21:44:21.452 INFO [stderr] Dec 11 21:44:21.788 INFO [stderr] warning: unnecessary parentheses around method argument Dec 11 21:44:21.788 INFO [stderr] --> src/dnsutils/mod.rs:486:25 Dec 11 21:44:21.788 INFO [stderr] | Dec 11 21:44:21.788 INFO [stderr] 486 | self.expiry.add((ExpiryRef::Positive(keyref, index)), ttl); Dec 11 21:44:21.789 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Dec 11 21:44:21.789 INFO [stderr] | Dec 11 21:44:21.789 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 11 21:44:21.789 INFO [stderr] Dec 11 21:44:21.832 INFO [stderr] warning: value assigned to `nocache` is never read Dec 11 21:44:21.832 INFO [stderr] --> src/dnsutils/mod.rs:341:17 Dec 11 21:44:21.832 INFO [stderr] | Dec 11 21:44:21.832 INFO [stderr] 341 | let mut nocache = false; Dec 11 21:44:21.832 INFO [stderr] | ^^^^^^^ Dec 11 21:44:21.832 INFO [stderr] | Dec 11 21:44:21.832 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 11 21:44:21.832 INFO [stderr] Dec 11 21:44:21.833 INFO [stderr] warning: unused variable: `expiry` Dec 11 21:44:21.833 INFO [stderr] --> src/dnsutils/mod.rs:462:13 Dec 11 21:44:21.833 INFO [stderr] | Dec 11 21:44:21.833 INFO [stderr] 462 | let expiry = SystemTime::now() + ttl; Dec 11 21:44:21.833 INFO [stderr] | ^^^^^^ help: consider using `_expiry` instead Dec 11 21:44:21.833 INFO [stderr] | Dec 11 21:44:21.833 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 11 21:44:21.833 INFO [stderr] Dec 11 21:44:21.935 INFO [stderr] warning: variable does not need to be mutable Dec 11 21:44:21.935 INFO [stderr] --> src/dnsutils/mod.rs:161:19 Dec 11 21:44:21.935 INFO [stderr] | Dec 11 21:44:21.935 INFO [stderr] 161 | fn send_query(mut bufvec: &mut Vec, qname: &String, qtype: RecordType, sock: &mut UdpSocket, to: &SocketAddr, id: u16) { Dec 11 21:44:21.935 INFO [stderr] | ----^^^^^^ Dec 11 21:44:21.935 INFO [stderr] | | Dec 11 21:44:21.935 INFO [stderr] | help: remove this `mut` Dec 11 21:44:21.935 INFO [stderr] | Dec 11 21:44:21.935 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 11 21:44:21.935 INFO [stderr] Dec 11 21:44:21.952 INFO [stderr] warning: variable does not need to be mutable Dec 11 21:44:21.952 INFO [stderr] --> src/dnsutils/mod.rs:203:13 Dec 11 21:44:21.952 INFO [stderr] | Dec 11 21:44:21.952 INFO [stderr] 203 | let mut recv; Dec 11 21:44:21.952 INFO [stderr] | ----^^^^ Dec 11 21:44:21.952 INFO [stderr] | | Dec 11 21:44:21.952 INFO [stderr] | help: remove this `mut` Dec 11 21:44:21.952 INFO [stderr] Dec 11 21:44:21.952 INFO [stderr] warning: variable does not need to be mutable Dec 11 21:44:21.952 INFO [stderr] --> src/dnsutils/mod.rs:316:17 Dec 11 21:44:21.952 INFO [stderr] | Dec 11 21:44:21.952 INFO [stderr] 316 | let mut res = self.resolving.get_mut(&(qname.clone(), qtype)); Dec 11 21:44:21.952 INFO [stderr] | ----^^^ Dec 11 21:44:21.952 INFO [stderr] | | Dec 11 21:44:21.952 INFO [stderr] | help: remove this `mut` Dec 11 21:44:21.952 INFO [stderr] Dec 11 21:44:21.952 INFO [stderr] warning: variable does not need to be mutable Dec 11 21:44:21.952 INFO [stderr] --> src/dnsutils/mod.rs:344:17 Dec 11 21:44:21.952 INFO [stderr] | Dec 11 21:44:21.952 INFO [stderr] 344 | let mut preferred_cache = preferred_cache.unwrap(); Dec 11 21:44:21.952 INFO [stderr] | ----^^^^^^^^^^^^^^^ Dec 11 21:44:21.952 INFO [stderr] | | Dec 11 21:44:21.952 INFO [stderr] | help: remove this `mut` Dec 11 21:44:21.952 INFO [stderr] Dec 11 21:44:21.968 INFO [stderr] warning: variable does not need to be mutable Dec 11 21:44:21.968 INFO [stderr] --> src/dnsutils/mod.rs:434:25 Dec 11 21:44:21.968 INFO [stderr] | Dec 11 21:44:21.968 INFO [stderr] 434 | let mut records = rec.unwrap(); Dec 11 21:44:21.968 INFO [stderr] | ----^^^^^^^ Dec 11 21:44:21.968 INFO [stderr] | | Dec 11 21:44:21.968 INFO [stderr] | help: remove this `mut` Dec 11 21:44:21.968 INFO [stderr] Dec 11 21:44:21.968 INFO [stderr] warning: variable does not need to be mutable Dec 11 21:44:21.968 INFO [stderr] --> src/dnsutils/mod.rs:494:21 Dec 11 21:44:21.968 INFO [stderr] | Dec 11 21:44:21.968 INFO [stderr] 494 | let mut record = result.unwrap(); Dec 11 21:44:21.968 INFO [stderr] | ----^^^^^^ Dec 11 21:44:21.968 INFO [stderr] | | Dec 11 21:44:21.968 INFO [stderr] | help: remove this `mut` Dec 11 21:44:21.968 INFO [stderr] Dec 11 21:44:21.992 INFO [stderr] warning: field is never used: `encoding` Dec 11 21:44:21.992 INFO [stderr] --> src/dnsutils/mod.rs:85:5 Dec 11 21:44:21.992 INFO [stderr] | Dec 11 21:44:21.992 INFO [stderr] 85 | encoding: HashMap, // 0x20 encoding Dec 11 21:44:21.992 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 21:44:21.992 INFO [stderr] | Dec 11 21:44:21.992 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 11 21:44:21.992 INFO [stderr] Dec 11 21:44:21.992 INFO [stderr] warning: field is never used: `resolve_parallel` Dec 11 21:44:21.992 INFO [stderr] --> src/dnsutils/mod.rs:91:5 Dec 11 21:44:21.992 INFO [stderr] | Dec 11 21:44:21.992 INFO [stderr] 91 | resolve_parallel: bool, Dec 11 21:44:21.992 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 11 21:44:21.992 INFO [stderr] Dec 11 21:44:21.992 INFO [stderr] warning: field is never used: `round_robin` Dec 11 21:44:21.992 INFO [stderr] --> src/dnsutils/mod.rs:94:5 Dec 11 21:44:21.992 INFO [stderr] | Dec 11 21:44:21.992 INFO [stderr] 94 | round_robin: RoundRobin, Dec 11 21:44:21.992 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 21:44:21.992 INFO [stderr] Dec 11 21:44:21.992 INFO [stderr] warning: field is never used: `round_robin_index` Dec 11 21:44:21.992 INFO [stderr] --> src/dnsutils/mod.rs:95:5 Dec 11 21:44:21.992 INFO [stderr] | Dec 11 21:44:21.992 INFO [stderr] 95 | round_robin_index: usize, Dec 11 21:44:21.992 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 21:44:21.992 INFO [stderr] Dec 11 21:44:22.000 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 11 21:44:22.000 INFO [stderr] --> src/dnsutils/mod.rs:164:9 Dec 11 21:44:22.000 INFO [stderr] | Dec 11 21:44:22.000 INFO [stderr] 164 | sock.send_to(msg.to_vec().unwrap().as_slice(), to); Dec 11 21:44:22.000 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 21:44:22.000 INFO [stderr] | Dec 11 21:44:22.000 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 11 21:44:22.000 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 11 21:44:22.000 INFO [stderr] Dec 11 21:44:22.004 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 11 21:44:22.004 INFO [stderr] --> src/dnsutils/mod.rs:192:13 Dec 11 21:44:22.004 INFO [stderr] | Dec 11 21:44:22.004 INFO [stderr] 192 | poll.register(self.socket4.as_mut().unwrap(), Token(start_token + added), Ready::readable(), PollOpt::edge()); Dec 11 21:44:22.004 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 21:44:22.004 INFO [stderr] | Dec 11 21:44:22.004 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 11 21:44:22.004 INFO [stderr] Dec 11 21:44:22.004 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 11 21:44:22.004 INFO [stderr] --> src/dnsutils/mod.rs:196:13 Dec 11 21:44:22.004 INFO [stderr] | Dec 11 21:44:22.004 INFO [stderr] 196 | poll.register(self.socket6.as_mut().unwrap(), Token(start_token + added), Ready::readable(), PollOpt::edge()); Dec 11 21:44:22.004 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 21:44:22.004 INFO [stderr] | Dec 11 21:44:22.004 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 11 21:44:22.004 INFO [stderr] Dec 11 21:44:22.228 INFO [stderr] warning: value assigned to `nocache` is never read Dec 11 21:44:22.228 INFO [stderr] --> src/dnsutils/mod.rs:341:17 Dec 11 21:44:22.228 INFO [stderr] | Dec 11 21:44:22.228 INFO [stderr] 341 | let mut nocache = false; Dec 11 21:44:22.228 INFO [stderr] | ^^^^^^^ Dec 11 21:44:22.228 INFO [stderr] | Dec 11 21:44:22.228 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 11 21:44:22.228 INFO [stderr] Dec 11 21:44:22.228 INFO [stderr] warning: unused variable: `expiry` Dec 11 21:44:22.228 INFO [stderr] --> src/dnsutils/mod.rs:462:13 Dec 11 21:44:22.228 INFO [stderr] | Dec 11 21:44:22.230 INFO [stderr] 462 | let expiry = SystemTime::now() + ttl; Dec 11 21:44:22.230 INFO [stderr] | ^^^^^^ help: consider using `_expiry` instead Dec 11 21:44:22.230 INFO [stderr] | Dec 11 21:44:22.230 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 11 21:44:22.231 INFO [stderr] Dec 11 21:44:22.312 INFO [stderr] warning: variable does not need to be mutable Dec 11 21:44:22.312 INFO [stderr] --> src/dnsutils/mod.rs:161:19 Dec 11 21:44:22.312 INFO [stderr] | Dec 11 21:44:22.312 INFO [stderr] 161 | fn send_query(mut bufvec: &mut Vec, qname: &String, qtype: RecordType, sock: &mut UdpSocket, to: &SocketAddr, id: u16) { Dec 11 21:44:22.312 INFO [stderr] | ----^^^^^^ Dec 11 21:44:22.312 INFO [stderr] | | Dec 11 21:44:22.312 INFO [stderr] | help: remove this `mut` Dec 11 21:44:22.312 INFO [stderr] | Dec 11 21:44:22.312 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 11 21:44:22.312 INFO [stderr] Dec 11 21:44:22.324 INFO [stderr] warning: variable does not need to be mutable Dec 11 21:44:22.324 INFO [stderr] --> src/dnsutils/mod.rs:203:13 Dec 11 21:44:22.324 INFO [stderr] | Dec 11 21:44:22.324 INFO [stderr] 203 | let mut recv; Dec 11 21:44:22.324 INFO [stderr] | ----^^^^ Dec 11 21:44:22.324 INFO [stderr] | | Dec 11 21:44:22.324 INFO [stderr] | help: remove this `mut` Dec 11 21:44:22.328 INFO [stderr] Dec 11 21:44:22.328 INFO [stderr] warning: variable does not need to be mutable Dec 11 21:44:22.328 INFO [stderr] --> src/dnsutils/mod.rs:316:17 Dec 11 21:44:22.328 INFO [stderr] | Dec 11 21:44:22.328 INFO [stderr] 316 | let mut res = self.resolving.get_mut(&(qname.clone(), qtype)); Dec 11 21:44:22.328 INFO [stderr] | ----^^^ Dec 11 21:44:22.328 INFO [stderr] | | Dec 11 21:44:22.328 INFO [stderr] | help: remove this `mut` Dec 11 21:44:22.328 INFO [stderr] Dec 11 21:44:22.328 INFO [stderr] warning: variable does not need to be mutable Dec 11 21:44:22.328 INFO [stderr] --> src/dnsutils/mod.rs:344:17 Dec 11 21:44:22.328 INFO [stderr] | Dec 11 21:44:22.328 INFO [stderr] 344 | let mut preferred_cache = preferred_cache.unwrap(); Dec 11 21:44:22.328 INFO [stderr] | ----^^^^^^^^^^^^^^^ Dec 11 21:44:22.328 INFO [stderr] | | Dec 11 21:44:22.328 INFO [stderr] | help: remove this `mut` Dec 11 21:44:22.328 INFO [stderr] Dec 11 21:44:22.340 INFO [stderr] warning: variable does not need to be mutable Dec 11 21:44:22.340 INFO [stderr] --> src/dnsutils/mod.rs:434:25 Dec 11 21:44:22.340 INFO [stderr] | Dec 11 21:44:22.340 INFO [stderr] 434 | let mut records = rec.unwrap(); Dec 11 21:44:22.340 INFO [stderr] | ----^^^^^^^ Dec 11 21:44:22.340 INFO [stderr] | | Dec 11 21:44:22.340 INFO [stderr] | help: remove this `mut` Dec 11 21:44:22.340 INFO [stderr] Dec 11 21:44:22.344 INFO [stderr] warning: variable does not need to be mutable Dec 11 21:44:22.344 INFO [stderr] --> src/dnsutils/mod.rs:494:21 Dec 11 21:44:22.344 INFO [stderr] | Dec 11 21:44:22.344 INFO [stderr] 494 | let mut record = result.unwrap(); Dec 11 21:44:22.344 INFO [stderr] | ----^^^^^^ Dec 11 21:44:22.344 INFO [stderr] | | Dec 11 21:44:22.344 INFO [stderr] | help: remove this `mut` Dec 11 21:44:22.344 INFO [stderr] Dec 11 21:44:22.360 INFO [stderr] warning: field is never used: `encoding` Dec 11 21:44:22.360 INFO [stderr] --> src/dnsutils/mod.rs:85:5 Dec 11 21:44:22.360 INFO [stderr] | Dec 11 21:44:22.360 INFO [stderr] 85 | encoding: HashMap, // 0x20 encoding Dec 11 21:44:22.360 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 21:44:22.360 INFO [stderr] | Dec 11 21:44:22.360 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 11 21:44:22.360 INFO [stderr] Dec 11 21:44:22.360 INFO [stderr] warning: field is never used: `resolve_parallel` Dec 11 21:44:22.360 INFO [stderr] --> src/dnsutils/mod.rs:91:5 Dec 11 21:44:22.360 INFO [stderr] | Dec 11 21:44:22.360 INFO [stderr] 91 | resolve_parallel: bool, Dec 11 21:44:22.360 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 11 21:44:22.360 INFO [stderr] Dec 11 21:44:22.360 INFO [stderr] warning: field is never used: `round_robin` Dec 11 21:44:22.360 INFO [stderr] --> src/dnsutils/mod.rs:94:5 Dec 11 21:44:22.360 INFO [stderr] | Dec 11 21:44:22.360 INFO [stderr] 94 | round_robin: RoundRobin, Dec 11 21:44:22.360 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 21:44:22.360 INFO [stderr] Dec 11 21:44:22.368 INFO [stderr] warning: field is never used: `round_robin_index` Dec 11 21:44:22.368 INFO [stderr] --> src/dnsutils/mod.rs:95:5 Dec 11 21:44:22.368 INFO [stderr] | Dec 11 21:44:22.368 INFO [stderr] 95 | round_robin_index: usize, Dec 11 21:44:22.368 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 21:44:22.368 INFO [stderr] Dec 11 21:44:22.368 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 11 21:44:22.368 INFO [stderr] --> src/dnsutils/mod.rs:164:9 Dec 11 21:44:22.368 INFO [stderr] | Dec 11 21:44:22.368 INFO [stderr] 164 | sock.send_to(msg.to_vec().unwrap().as_slice(), to); Dec 11 21:44:22.368 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 21:44:22.368 INFO [stderr] | Dec 11 21:44:22.368 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 11 21:44:22.368 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 11 21:44:22.368 INFO [stderr] Dec 11 21:44:22.368 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 11 21:44:22.368 INFO [stderr] --> src/dnsutils/mod.rs:192:13 Dec 11 21:44:22.368 INFO [stderr] | Dec 11 21:44:22.368 INFO [stderr] 192 | poll.register(self.socket4.as_mut().unwrap(), Token(start_token + added), Ready::readable(), PollOpt::edge()); Dec 11 21:44:22.368 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 21:44:22.368 INFO [stderr] | Dec 11 21:44:22.368 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 11 21:44:22.369 INFO [stderr] Dec 11 21:44:22.369 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 11 21:44:22.369 INFO [stderr] --> src/dnsutils/mod.rs:196:13 Dec 11 21:44:22.369 INFO [stderr] | Dec 11 21:44:22.369 INFO [stderr] 196 | poll.register(self.socket6.as_mut().unwrap(), Token(start_token + added), Ready::readable(), PollOpt::edge()); Dec 11 21:44:22.369 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 21:44:22.369 INFO [stderr] | Dec 11 21:44:22.369 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 11 21:44:22.369 INFO [stderr] Dec 11 21:44:22.424 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.06s Dec 11 21:44:22.436 INFO [stderr] su: No module specific data is present Dec 11 21:44:23.070 INFO running `"docker" "inspect" "d5473ca0b92efea46958196b5e6bd9f21b3038e92a980781fabe29d2a3bcc64a"` Dec 11 21:44:23.374 INFO running `"docker" "rm" "-f" "d5473ca0b92efea46958196b5e6bd9f21b3038e92a980781fabe29d2a3bcc64a"` Dec 11 21:44:23.620 INFO [stdout] d5473ca0b92efea46958196b5e6bd9f21b3038e92a980781fabe29d2a3bcc64a