Dec 18 15:03:42.501 INFO checking iching-0.3.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252 Dec 18 15:03:42.545 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/iching/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"` Dec 18 15:03:42.797 INFO [stdout] 0a86b2e86afff1ead671b4f11986b2a1a13b85e5a3b48dd6f352fae8d8d6220b Dec 18 15:03:42.802 INFO running `"docker" "start" "-a" "0a86b2e86afff1ead671b4f11986b2a1a13b85e5a3b48dd6f352fae8d8d6220b"` Dec 18 15:03:43.496 INFO [stderr] Checking iching v0.3.1 (/opt/crater/workdir) Dec 18 15:03:44.232 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.232 INFO [stderr] --> src/hexagram_repository.rs:68:9 Dec 18 15:03:44.232 INFO [stderr] | Dec 18 15:03:44.232 INFO [stderr] 68 | writeln!(f, " {} (No. {})", self.get_symbol(), self.get_number()); Dec 18 15:03:44.232 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.232 INFO [stderr] | Dec 18 15:03:44.232 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 18 15:03:44.232 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.232 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.232 INFO [stderr] Dec 18 15:03:44.232 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.232 INFO [stderr] --> src/hexagram_repository.rs:69:9 Dec 18 15:03:44.232 INFO [stderr] | Dec 18 15:03:44.232 INFO [stderr] 69 | writeln!(f, "{} - {}", self.get_chinese_name(), self.get_localized_name()); Dec 18 15:03:44.232 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.232 INFO [stderr] | Dec 18 15:03:44.232 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.232 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.233 INFO [stderr] Dec 18 15:03:44.233 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.233 INFO [stderr] --> src/hexagram_repository.rs:70:9 Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] 70 | writeln!(f); Dec 18 15:03:44.233 INFO [stderr] | ^^^^^^^^^^^^ Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.233 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.233 INFO [stderr] Dec 18 15:03:44.233 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.233 INFO [stderr] --> src/hexagram_repository.rs:71:9 Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] 71 | writeln!(f, " Judgement:"); Dec 18 15:03:44.233 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.233 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.233 INFO [stderr] Dec 18 15:03:44.233 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.233 INFO [stderr] --> src/hexagram_repository.rs:72:9 Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] 72 | writeln!(f, "{}", self.get_judgement()); Dec 18 15:03:44.233 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.233 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.233 INFO [stderr] Dec 18 15:03:44.233 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.233 INFO [stderr] --> src/hexagram_repository.rs:73:9 Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] 73 | writeln!(f, " Images:"); Dec 18 15:03:44.233 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.233 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.233 INFO [stderr] Dec 18 15:03:44.233 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.233 INFO [stderr] --> src/hexagram_repository.rs:74:9 Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] 74 | writeln!(f, "{}", self.get_images()); Dec 18 15:03:44.233 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.233 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.233 INFO [stderr] Dec 18 15:03:44.233 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.233 INFO [stderr] --> src/trigram.rs:234:9 Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] 234 | writeln!(f, "{} (No. {})", self.symbol(), self.number()); Dec 18 15:03:44.233 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.233 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.233 INFO [stderr] Dec 18 15:03:44.233 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.233 INFO [stderr] --> src/trigram.rs:235:9 Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] 235 | writeln!(f, "{} - {}", self.romanized(), self.english_translation()); Dec 18 15:03:44.233 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.233 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.233 INFO [stderr] Dec 18 15:03:44.233 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.233 INFO [stderr] --> src/trigram.rs:236:9 Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] 236 | writeln!(f); Dec 18 15:03:44.233 INFO [stderr] | ^^^^^^^^^^^^ Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.233 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.233 INFO [stderr] Dec 18 15:03:44.233 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.233 INFO [stderr] --> src/trigram.rs:237:9 Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] 237 | writeln!(f, "Attribute: {}", self.attribute()); Dec 18 15:03:44.233 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.233 INFO [stderr] | Dec 18 15:03:44.233 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.233 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.233 INFO [stderr] Dec 18 15:03:44.233 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.233 INFO [stderr] --> src/trigram.rs:238:9 Dec 18 15:03:44.234 INFO [stderr] | Dec 18 15:03:44.234 INFO [stderr] 238 | writeln!(f, "Image in nature: {}", self.image()); Dec 18 15:03:44.234 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.234 INFO [stderr] | Dec 18 15:03:44.234 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.234 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.234 INFO [stderr] Dec 18 15:03:44.234 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.234 INFO [stderr] --> src/trigram.rs:239:9 Dec 18 15:03:44.234 INFO [stderr] | Dec 18 15:03:44.234 INFO [stderr] 239 | writeln!(f, "Family Relationship: {}", self.family_relationship()); Dec 18 15:03:44.234 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.234 INFO [stderr] | Dec 18 15:03:44.234 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.234 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.234 INFO [stderr] Dec 18 15:03:44.247 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.247 INFO [stderr] --> src/hexagram_repository.rs:68:9 Dec 18 15:03:44.247 INFO [stderr] | Dec 18 15:03:44.247 INFO [stderr] 68 | writeln!(f, " {} (No. {})", self.get_symbol(), self.get_number()); Dec 18 15:03:44.247 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.247 INFO [stderr] | Dec 18 15:03:44.247 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 18 15:03:44.247 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.247 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.247 INFO [stderr] Dec 18 15:03:44.247 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.247 INFO [stderr] --> src/hexagram_repository.rs:69:9 Dec 18 15:03:44.247 INFO [stderr] | Dec 18 15:03:44.247 INFO [stderr] 69 | writeln!(f, "{} - {}", self.get_chinese_name(), self.get_localized_name()); Dec 18 15:03:44.247 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.247 INFO [stderr] | Dec 18 15:03:44.247 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.247 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.247 INFO [stderr] Dec 18 15:03:44.247 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.247 INFO [stderr] --> src/hexagram_repository.rs:70:9 Dec 18 15:03:44.247 INFO [stderr] | Dec 18 15:03:44.247 INFO [stderr] 70 | writeln!(f); Dec 18 15:03:44.247 INFO [stderr] | ^^^^^^^^^^^^ Dec 18 15:03:44.247 INFO [stderr] | Dec 18 15:03:44.247 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.247 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.247 INFO [stderr] Dec 18 15:03:44.247 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.247 INFO [stderr] --> src/hexagram_repository.rs:71:9 Dec 18 15:03:44.247 INFO [stderr] | Dec 18 15:03:44.247 INFO [stderr] 71 | writeln!(f, " Judgement:"); Dec 18 15:03:44.247 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.247 INFO [stderr] | Dec 18 15:03:44.247 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.247 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.247 INFO [stderr] Dec 18 15:03:44.247 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.247 INFO [stderr] --> src/hexagram_repository.rs:72:9 Dec 18 15:03:44.247 INFO [stderr] | Dec 18 15:03:44.247 INFO [stderr] 72 | writeln!(f, "{}", self.get_judgement()); Dec 18 15:03:44.247 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.247 INFO [stderr] | Dec 18 15:03:44.247 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.247 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.247 INFO [stderr] Dec 18 15:03:44.247 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.247 INFO [stderr] --> src/hexagram_repository.rs:73:9 Dec 18 15:03:44.247 INFO [stderr] | Dec 18 15:03:44.247 INFO [stderr] 73 | writeln!(f, " Images:"); Dec 18 15:03:44.247 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.247 INFO [stderr] | Dec 18 15:03:44.247 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.247 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.247 INFO [stderr] Dec 18 15:03:44.247 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.247 INFO [stderr] --> src/hexagram_repository.rs:74:9 Dec 18 15:03:44.247 INFO [stderr] | Dec 18 15:03:44.247 INFO [stderr] 74 | writeln!(f, "{}", self.get_images()); Dec 18 15:03:44.247 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.247 INFO [stderr] | Dec 18 15:03:44.247 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.247 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.247 INFO [stderr] Dec 18 15:03:44.250 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.250 INFO [stderr] --> src/trigram.rs:234:9 Dec 18 15:03:44.250 INFO [stderr] | Dec 18 15:03:44.250 INFO [stderr] 234 | writeln!(f, "{} (No. {})", self.symbol(), self.number()); Dec 18 15:03:44.250 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.250 INFO [stderr] | Dec 18 15:03:44.250 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.250 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.250 INFO [stderr] Dec 18 15:03:44.250 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.250 INFO [stderr] --> src/trigram.rs:235:9 Dec 18 15:03:44.250 INFO [stderr] | Dec 18 15:03:44.250 INFO [stderr] 235 | writeln!(f, "{} - {}", self.romanized(), self.english_translation()); Dec 18 15:03:44.250 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.250 INFO [stderr] | Dec 18 15:03:44.250 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.250 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.250 INFO [stderr] Dec 18 15:03:44.250 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.250 INFO [stderr] --> src/trigram.rs:236:9 Dec 18 15:03:44.250 INFO [stderr] | Dec 18 15:03:44.250 INFO [stderr] 236 | writeln!(f); Dec 18 15:03:44.250 INFO [stderr] | ^^^^^^^^^^^^ Dec 18 15:03:44.250 INFO [stderr] | Dec 18 15:03:44.250 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.250 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.250 INFO [stderr] Dec 18 15:03:44.250 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.250 INFO [stderr] --> src/trigram.rs:237:9 Dec 18 15:03:44.250 INFO [stderr] | Dec 18 15:03:44.250 INFO [stderr] 237 | writeln!(f, "Attribute: {}", self.attribute()); Dec 18 15:03:44.250 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.250 INFO [stderr] | Dec 18 15:03:44.250 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.250 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.250 INFO [stderr] Dec 18 15:03:44.250 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.250 INFO [stderr] --> src/trigram.rs:238:9 Dec 18 15:03:44.251 INFO [stderr] | Dec 18 15:03:44.251 INFO [stderr] 238 | writeln!(f, "Image in nature: {}", self.image()); Dec 18 15:03:44.251 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.251 INFO [stderr] | Dec 18 15:03:44.251 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.251 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.251 INFO [stderr] Dec 18 15:03:44.251 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 15:03:44.251 INFO [stderr] --> src/trigram.rs:239:9 Dec 18 15:03:44.251 INFO [stderr] | Dec 18 15:03:44.251 INFO [stderr] 239 | writeln!(f, "Family Relationship: {}", self.family_relationship()); Dec 18 15:03:44.251 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 15:03:44.251 INFO [stderr] | Dec 18 15:03:44.251 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 15:03:44.251 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 18 15:03:44.251 INFO [stderr] Dec 18 15:03:45.798 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.38s Dec 18 15:03:46.080 INFO running `"docker" "inspect" "0a86b2e86afff1ead671b4f11986b2a1a13b85e5a3b48dd6f352fae8d8d6220b"` Dec 18 15:03:46.160 INFO running `"docker" "rm" "-f" "0a86b2e86afff1ead671b4f11986b2a1a13b85e5a3b48dd6f352fae8d8d6220b"` Dec 18 15:03:46.227 INFO [stdout] 0a86b2e86afff1ead671b4f11986b2a1a13b85e5a3b48dd6f352fae8d8d6220b