Nov 30 08:04:47.789 INFO checking Velfi/i-ching against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 08:04:47.789 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 08:04:48.373 INFO [stdout] de10194b7cf089e35102b1709a871f3aaa7d2e8fefbe23ed8208c5b1ae4f7b77
Nov 30 08:04:48.373 INFO running `"docker" "start" "-a" "de10194b7cf089e35102b1709a871f3aaa7d2e8fefbe23ed8208c5b1ae4f7b77"`
Nov 30 08:04:49.252 INFO [stderr] usermod: no changes
Nov 30 08:04:49.388 INFO [stderr]     Checking iching v0.3.1 (/source)
Nov 30 08:04:50.484 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.484 INFO [stderr]   --> src/hexagram_repository.rs:68:9
Nov 30 08:04:50.484 INFO [stderr]    |
Nov 30 08:04:50.484 INFO [stderr] 68 |         writeln!(f, "  {} (No. {})", self.get_symbol(), self.get_number());
Nov 30 08:04:50.484 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.484 INFO [stderr]    |
Nov 30 08:04:50.484 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 08:04:50.484 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.484 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)
Nov 30 08:04:50.484 INFO [stderr] 
Nov 30 08:04:50.484 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.484 INFO [stderr]   --> src/hexagram_repository.rs:69:9
Nov 30 08:04:50.484 INFO [stderr]    |
Nov 30 08:04:50.484 INFO [stderr] 69 |         writeln!(f, "{} - {}", self.get_chinese_name(), self.get_localized_name());
Nov 30 08:04:50.484 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.484 INFO [stderr]    |
Nov 30 08:04:50.484 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.484 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)
Nov 30 08:04:50.484 INFO [stderr] 
Nov 30 08:04:50.484 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.484 INFO [stderr]   --> src/hexagram_repository.rs:70:9
Nov 30 08:04:50.484 INFO [stderr]    |
Nov 30 08:04:50.484 INFO [stderr] 70 |         writeln!(f);
Nov 30 08:04:50.484 INFO [stderr]    |         ^^^^^^^^^^^^
Nov 30 08:04:50.484 INFO [stderr]    |
Nov 30 08:04:50.484 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.484 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)
Nov 30 08:04:50.484 INFO [stderr] 
Nov 30 08:04:50.484 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.484 INFO [stderr]   --> src/hexagram_repository.rs:71:9
Nov 30 08:04:50.484 INFO [stderr]    |
Nov 30 08:04:50.484 INFO [stderr] 71 |         writeln!(f, "  Judgement:");
Nov 30 08:04:50.484 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.484 INFO [stderr]    |
Nov 30 08:04:50.484 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.484 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)
Nov 30 08:04:50.484 INFO [stderr] 
Nov 30 08:04:50.484 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.484 INFO [stderr]   --> src/hexagram_repository.rs:72:9
Nov 30 08:04:50.484 INFO [stderr]    |
Nov 30 08:04:50.484 INFO [stderr] 72 |         writeln!(f, "{}", self.get_judgement());
Nov 30 08:04:50.485 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.485 INFO [stderr]    |
Nov 30 08:04:50.485 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.485 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)
Nov 30 08:04:50.485 INFO [stderr] 
Nov 30 08:04:50.485 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.485 INFO [stderr]   --> src/hexagram_repository.rs:73:9
Nov 30 08:04:50.485 INFO [stderr]    |
Nov 30 08:04:50.485 INFO [stderr] 73 |         writeln!(f, "  Images:");
Nov 30 08:04:50.485 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.485 INFO [stderr]    |
Nov 30 08:04:50.485 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.485 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)
Nov 30 08:04:50.485 INFO [stderr] 
Nov 30 08:04:50.485 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.485 INFO [stderr]   --> src/hexagram_repository.rs:74:9
Nov 30 08:04:50.485 INFO [stderr]    |
Nov 30 08:04:50.485 INFO [stderr] 74 |         writeln!(f, "{}", self.get_images());
Nov 30 08:04:50.485 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.485 INFO [stderr]    |
Nov 30 08:04:50.485 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.485 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)
Nov 30 08:04:50.485 INFO [stderr] 
Nov 30 08:04:50.503 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.503 INFO [stderr]    --> src/trigram.rs:234:9
Nov 30 08:04:50.503 INFO [stderr]     |
Nov 30 08:04:50.503 INFO [stderr] 234 |         writeln!(f, "{} (No. {})", self.symbol(), self.number());
Nov 30 08:04:50.503 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.503 INFO [stderr]     |
Nov 30 08:04:50.503 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.503 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)
Nov 30 08:04:50.503 INFO [stderr] 
Nov 30 08:04:50.503 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.503 INFO [stderr]    --> src/trigram.rs:235:9
Nov 30 08:04:50.503 INFO [stderr]     |
Nov 30 08:04:50.504 INFO [stderr] 235 |         writeln!(f, "{} - {}", self.romanized(), self.english_translation());
Nov 30 08:04:50.504 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.504 INFO [stderr]     |
Nov 30 08:04:50.504 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.504 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)
Nov 30 08:04:50.504 INFO [stderr] 
Nov 30 08:04:50.504 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.504 INFO [stderr]    --> src/trigram.rs:236:9
Nov 30 08:04:50.504 INFO [stderr]     |
Nov 30 08:04:50.504 INFO [stderr] 236 |         writeln!(f);
Nov 30 08:04:50.504 INFO [stderr]     |         ^^^^^^^^^^^^
Nov 30 08:04:50.504 INFO [stderr]     |
Nov 30 08:04:50.504 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.504 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)
Nov 30 08:04:50.504 INFO [stderr] 
Nov 30 08:04:50.504 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.504 INFO [stderr]    --> src/trigram.rs:237:9
Nov 30 08:04:50.504 INFO [stderr]     |
Nov 30 08:04:50.504 INFO [stderr] 237 |         writeln!(f, "Attribute: {}", self.attribute());
Nov 30 08:04:50.504 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.504 INFO [stderr]     |
Nov 30 08:04:50.504 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.504 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)
Nov 30 08:04:50.504 INFO [stderr] 
Nov 30 08:04:50.504 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.504 INFO [stderr]    --> src/trigram.rs:238:9
Nov 30 08:04:50.504 INFO [stderr]     |
Nov 30 08:04:50.504 INFO [stderr] 238 |         writeln!(f, "Image in nature: {}", self.image());
Nov 30 08:04:50.504 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.504 INFO [stderr]     |
Nov 30 08:04:50.505 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.505 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)
Nov 30 08:04:50.505 INFO [stderr] 
Nov 30 08:04:50.505 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.505 INFO [stderr]    --> src/trigram.rs:239:9
Nov 30 08:04:50.505 INFO [stderr]     |
Nov 30 08:04:50.505 INFO [stderr] 239 |         writeln!(f, "Family Relationship: {}", self.family_relationship());
Nov 30 08:04:50.505 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.505 INFO [stderr]     |
Nov 30 08:04:50.505 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.505 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)
Nov 30 08:04:50.505 INFO [stderr] 
Nov 30 08:04:50.544 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.544 INFO [stderr]   --> src/hexagram_repository.rs:68:9
Nov 30 08:04:50.544 INFO [stderr]    |
Nov 30 08:04:50.544 INFO [stderr] 68 |         writeln!(f, "  {} (No. {})", self.get_symbol(), self.get_number());
Nov 30 08:04:50.544 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.544 INFO [stderr]    |
Nov 30 08:04:50.544 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 08:04:50.544 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.544 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)
Nov 30 08:04:50.544 INFO [stderr] 
Nov 30 08:04:50.544 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.544 INFO [stderr]   --> src/hexagram_repository.rs:69:9
Nov 30 08:04:50.544 INFO [stderr]    |
Nov 30 08:04:50.544 INFO [stderr] 69 |         writeln!(f, "{} - {}", self.get_chinese_name(), self.get_localized_name());
Nov 30 08:04:50.544 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.544 INFO [stderr]    |
Nov 30 08:04:50.544 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.545 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)
Nov 30 08:04:50.545 INFO [stderr] 
Nov 30 08:04:50.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.545 INFO [stderr]   --> src/hexagram_repository.rs:70:9
Nov 30 08:04:50.545 INFO [stderr]    |
Nov 30 08:04:50.545 INFO [stderr] 70 |         writeln!(f);
Nov 30 08:04:50.545 INFO [stderr]    |         ^^^^^^^^^^^^
Nov 30 08:04:50.545 INFO [stderr]    |
Nov 30 08:04:50.545 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.545 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)
Nov 30 08:04:50.545 INFO [stderr] 
Nov 30 08:04:50.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.545 INFO [stderr]   --> src/hexagram_repository.rs:71:9
Nov 30 08:04:50.545 INFO [stderr]    |
Nov 30 08:04:50.545 INFO [stderr] 71 |         writeln!(f, "  Judgement:");
Nov 30 08:04:50.545 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.545 INFO [stderr]    |
Nov 30 08:04:50.545 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.545 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)
Nov 30 08:04:50.545 INFO [stderr] 
Nov 30 08:04:50.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.545 INFO [stderr]   --> src/hexagram_repository.rs:72:9
Nov 30 08:04:50.545 INFO [stderr]    |
Nov 30 08:04:50.545 INFO [stderr] 72 |         writeln!(f, "{}", self.get_judgement());
Nov 30 08:04:50.545 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.545 INFO [stderr]    |
Nov 30 08:04:50.545 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.547 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)
Nov 30 08:04:50.547 INFO [stderr] 
Nov 30 08:04:50.547 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.547 INFO [stderr]   --> src/hexagram_repository.rs:73:9
Nov 30 08:04:50.547 INFO [stderr]    |
Nov 30 08:04:50.547 INFO [stderr] 73 |         writeln!(f, "  Images:");
Nov 30 08:04:50.547 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.547 INFO [stderr]    |
Nov 30 08:04:50.547 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.548 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)
Nov 30 08:04:50.548 INFO [stderr] 
Nov 30 08:04:50.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.548 INFO [stderr]   --> src/hexagram_repository.rs:74:9
Nov 30 08:04:50.548 INFO [stderr]    |
Nov 30 08:04:50.548 INFO [stderr] 74 |         writeln!(f, "{}", self.get_images());
Nov 30 08:04:50.548 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.548 INFO [stderr]    |
Nov 30 08:04:50.548 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.548 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)
Nov 30 08:04:50.548 INFO [stderr] 
Nov 30 08:04:50.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.552 INFO [stderr]    --> src/trigram.rs:234:9
Nov 30 08:04:50.552 INFO [stderr]     |
Nov 30 08:04:50.552 INFO [stderr] 234 |         writeln!(f, "{} (No. {})", self.symbol(), self.number());
Nov 30 08:04:50.552 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.552 INFO [stderr]     |
Nov 30 08:04:50.552 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.552 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)
Nov 30 08:04:50.552 INFO [stderr] 
Nov 30 08:04:50.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.552 INFO [stderr]    --> src/trigram.rs:235:9
Nov 30 08:04:50.552 INFO [stderr]     |
Nov 30 08:04:50.552 INFO [stderr] 235 |         writeln!(f, "{} - {}", self.romanized(), self.english_translation());
Nov 30 08:04:50.552 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.552 INFO [stderr]     |
Nov 30 08:04:50.552 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.552 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)
Nov 30 08:04:50.552 INFO [stderr] 
Nov 30 08:04:50.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.552 INFO [stderr]    --> src/trigram.rs:236:9
Nov 30 08:04:50.552 INFO [stderr]     |
Nov 30 08:04:50.552 INFO [stderr] 236 |         writeln!(f);
Nov 30 08:04:50.552 INFO [stderr]     |         ^^^^^^^^^^^^
Nov 30 08:04:50.552 INFO [stderr]     |
Nov 30 08:04:50.552 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.552 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)
Nov 30 08:04:50.552 INFO [stderr] 
Nov 30 08:04:50.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.552 INFO [stderr]    --> src/trigram.rs:237:9
Nov 30 08:04:50.552 INFO [stderr]     |
Nov 30 08:04:50.552 INFO [stderr] 237 |         writeln!(f, "Attribute: {}", self.attribute());
Nov 30 08:04:50.552 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.552 INFO [stderr]     |
Nov 30 08:04:50.553 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.553 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)
Nov 30 08:04:50.553 INFO [stderr] 
Nov 30 08:04:50.553 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.553 INFO [stderr]    --> src/trigram.rs:238:9
Nov 30 08:04:50.553 INFO [stderr]     |
Nov 30 08:04:50.553 INFO [stderr] 238 |         writeln!(f, "Image in nature: {}", self.image());
Nov 30 08:04:50.553 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.553 INFO [stderr]     |
Nov 30 08:04:50.553 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.553 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)
Nov 30 08:04:50.553 INFO [stderr] 
Nov 30 08:04:50.553 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:04:50.553 INFO [stderr]    --> src/trigram.rs:239:9
Nov 30 08:04:50.553 INFO [stderr]     |
Nov 30 08:04:50.553 INFO [stderr] 239 |         writeln!(f, "Family Relationship: {}", self.family_relationship());
Nov 30 08:04:50.553 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:04:50.553 INFO [stderr]     |
Nov 30 08:04:50.553 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:04:50.553 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)
Nov 30 08:04:50.553 INFO [stderr] 
Nov 30 08:04:54.748 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.47s
Nov 30 08:04:54.759 INFO [stderr] su: No module specific data is present
Nov 30 08:04:55.554 INFO running `"docker" "inspect" "de10194b7cf089e35102b1709a871f3aaa7d2e8fefbe23ed8208c5b1ae4f7b77"`
Nov 30 08:04:55.806 INFO running `"docker" "rm" "-f" "de10194b7cf089e35102b1709a871f3aaa7d2e8fefbe23ed8208c5b1ae4f7b77"`
Nov 30 08:04:56.171 INFO [stdout] de10194b7cf089e35102b1709a871f3aaa7d2e8fefbe23ed8208c5b1ae4f7b77