Dec 04 23:36:00.212 INFO checking Velfi/i-ching against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 23:36:00.212 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 23:36:00.617 INFO [stdout] 6f1036534987218d7fb12b9a06f1cc6e336705c928eff06b426add2b9a375f74
Dec 04 23:36:00.624 INFO running `"docker" "start" "-a" "6f1036534987218d7fb12b9a06f1cc6e336705c928eff06b426add2b9a375f74"`
Dec 04 23:36:01.486 INFO [stderr] usermod: no changes
Dec 04 23:36:01.667 INFO [stderr]    Compiling proc-macro2 v0.4.21
Dec 04 23:36:05.429 INFO [stderr]    Compiling quote v0.6.10
Dec 04 23:36:06.564 INFO [stderr]    Compiling syn v0.15.18
Dec 04 23:36:14.323 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 04 23:36:28.152 INFO [stderr]     Checking iching v0.3.1 (/source)
Dec 04 23:36:29.555 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.555 INFO [stderr]   --> src/hexagram_repository.rs:68:9
Dec 04 23:36:29.555 INFO [stderr]    |
Dec 04 23:36:29.555 INFO [stderr] 68 |         writeln!(f, "  {} (No. {})", self.get_symbol(), self.get_number());
Dec 04 23:36:29.555 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.555 INFO [stderr]    |
Dec 04 23:36:29.555 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 23:36:29.555 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.555 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 04 23:36:29.555 INFO [stderr] 
Dec 04 23:36:29.555 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.555 INFO [stderr]   --> src/hexagram_repository.rs:69:9
Dec 04 23:36:29.555 INFO [stderr]    |
Dec 04 23:36:29.555 INFO [stderr] 69 |         writeln!(f, "{} - {}", self.get_chinese_name(), self.get_localized_name());
Dec 04 23:36:29.555 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.555 INFO [stderr]    |
Dec 04 23:36:29.555 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.555 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 04 23:36:29.555 INFO [stderr] 
Dec 04 23:36:29.555 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.555 INFO [stderr]   --> src/hexagram_repository.rs:70:9
Dec 04 23:36:29.555 INFO [stderr]    |
Dec 04 23:36:29.555 INFO [stderr] 70 |         writeln!(f);
Dec 04 23:36:29.555 INFO [stderr]    |         ^^^^^^^^^^^^
Dec 04 23:36:29.555 INFO [stderr]    |
Dec 04 23:36:29.555 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.555 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 04 23:36:29.555 INFO [stderr] 
Dec 04 23:36:29.555 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.555 INFO [stderr]   --> src/hexagram_repository.rs:71:9
Dec 04 23:36:29.555 INFO [stderr]    |
Dec 04 23:36:29.555 INFO [stderr] 71 |         writeln!(f, "  Judgement:");
Dec 04 23:36:29.555 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.555 INFO [stderr]    |
Dec 04 23:36:29.555 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.555 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 04 23:36:29.555 INFO [stderr] 
Dec 04 23:36:29.555 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.555 INFO [stderr]   --> src/hexagram_repository.rs:72:9
Dec 04 23:36:29.555 INFO [stderr]    |
Dec 04 23:36:29.555 INFO [stderr] 72 |         writeln!(f, "{}", self.get_judgement());
Dec 04 23:36:29.555 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.555 INFO [stderr]    |
Dec 04 23:36:29.555 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.555 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 04 23:36:29.555 INFO [stderr] 
Dec 04 23:36:29.555 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.555 INFO [stderr]   --> src/hexagram_repository.rs:73:9
Dec 04 23:36:29.555 INFO [stderr]    |
Dec 04 23:36:29.555 INFO [stderr] 73 |         writeln!(f, "  Images:");
Dec 04 23:36:29.555 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.558 INFO [stderr]    |
Dec 04 23:36:29.559 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.559 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 04 23:36:29.559 INFO [stderr] 
Dec 04 23:36:29.559 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.559 INFO [stderr]   --> src/hexagram_repository.rs:74:9
Dec 04 23:36:29.559 INFO [stderr]    |
Dec 04 23:36:29.559 INFO [stderr] 74 |         writeln!(f, "{}", self.get_images());
Dec 04 23:36:29.559 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.559 INFO [stderr]    |
Dec 04 23:36:29.559 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.559 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 04 23:36:29.559 INFO [stderr] 
Dec 04 23:36:29.559 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.559 INFO [stderr]    --> src/trigram.rs:234:9
Dec 04 23:36:29.562 INFO [stderr]     |
Dec 04 23:36:29.563 INFO [stderr] 234 |         writeln!(f, "{} (No. {})", self.symbol(), self.number());
Dec 04 23:36:29.563 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.563 INFO [stderr]     |
Dec 04 23:36:29.563 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.563 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 04 23:36:29.563 INFO [stderr] 
Dec 04 23:36:29.563 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.563 INFO [stderr]    --> src/trigram.rs:235:9
Dec 04 23:36:29.563 INFO [stderr]     |
Dec 04 23:36:29.563 INFO [stderr] 235 |         writeln!(f, "{} - {}", self.romanized(), self.english_translation());
Dec 04 23:36:29.563 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.563 INFO [stderr]     |
Dec 04 23:36:29.563 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.563 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 04 23:36:29.563 INFO [stderr] 
Dec 04 23:36:29.563 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.563 INFO [stderr]    --> src/trigram.rs:236:9
Dec 04 23:36:29.563 INFO [stderr]     |
Dec 04 23:36:29.563 INFO [stderr] 236 |         writeln!(f);
Dec 04 23:36:29.563 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 04 23:36:29.563 INFO [stderr]     |
Dec 04 23:36:29.566 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.567 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 04 23:36:29.567 INFO [stderr] 
Dec 04 23:36:29.567 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.567 INFO [stderr]    --> src/trigram.rs:237:9
Dec 04 23:36:29.567 INFO [stderr]     |
Dec 04 23:36:29.567 INFO [stderr] 237 |         writeln!(f, "Attribute: {}", self.attribute());
Dec 04 23:36:29.567 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.567 INFO [stderr]     |
Dec 04 23:36:29.567 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.567 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 04 23:36:29.567 INFO [stderr] 
Dec 04 23:36:29.567 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.567 INFO [stderr]    --> src/trigram.rs:238:9
Dec 04 23:36:29.567 INFO [stderr]     |
Dec 04 23:36:29.567 INFO [stderr] 238 |         writeln!(f, "Image in nature: {}", self.image());
Dec 04 23:36:29.567 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.567 INFO [stderr]     |
Dec 04 23:36:29.567 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.567 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 04 23:36:29.567 INFO [stderr] 
Dec 04 23:36:29.567 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.570 INFO [stderr]    --> src/trigram.rs:239:9
Dec 04 23:36:29.571 INFO [stderr]     |
Dec 04 23:36:29.571 INFO [stderr] 239 |         writeln!(f, "Family Relationship: {}", self.family_relationship());
Dec 04 23:36:29.571 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.571 INFO [stderr]     |
Dec 04 23:36:29.571 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.571 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 04 23:36:29.571 INFO [stderr] 
Dec 04 23:36:29.663 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.663 INFO [stderr]   --> src/hexagram_repository.rs:68:9
Dec 04 23:36:29.663 INFO [stderr]    |
Dec 04 23:36:29.663 INFO [stderr] 68 |         writeln!(f, "  {} (No. {})", self.get_symbol(), self.get_number());
Dec 04 23:36:29.663 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.663 INFO [stderr]    |
Dec 04 23:36:29.663 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 23:36:29.663 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.663 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 04 23:36:29.663 INFO [stderr] 
Dec 04 23:36:29.663 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.663 INFO [stderr]   --> src/hexagram_repository.rs:69:9
Dec 04 23:36:29.663 INFO [stderr]    |
Dec 04 23:36:29.663 INFO [stderr] 69 |         writeln!(f, "{} - {}", self.get_chinese_name(), self.get_localized_name());
Dec 04 23:36:29.663 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.663 INFO [stderr]    |
Dec 04 23:36:29.663 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.663 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 04 23:36:29.663 INFO [stderr] 
Dec 04 23:36:29.663 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.663 INFO [stderr]   --> src/hexagram_repository.rs:70:9
Dec 04 23:36:29.663 INFO [stderr]    |
Dec 04 23:36:29.663 INFO [stderr] 70 |         writeln!(f);
Dec 04 23:36:29.663 INFO [stderr]    |         ^^^^^^^^^^^^
Dec 04 23:36:29.663 INFO [stderr]    |
Dec 04 23:36:29.663 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.663 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 04 23:36:29.663 INFO [stderr] 
Dec 04 23:36:29.663 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.663 INFO [stderr]   --> src/hexagram_repository.rs:71:9
Dec 04 23:36:29.663 INFO [stderr]    |
Dec 04 23:36:29.663 INFO [stderr] 71 |         writeln!(f, "  Judgement:");
Dec 04 23:36:29.663 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.663 INFO [stderr]    |
Dec 04 23:36:29.663 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.663 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 04 23:36:29.663 INFO [stderr] 
Dec 04 23:36:29.663 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.663 INFO [stderr]   --> src/hexagram_repository.rs:72:9
Dec 04 23:36:29.663 INFO [stderr]    |
Dec 04 23:36:29.663 INFO [stderr] 72 |         writeln!(f, "{}", self.get_judgement());
Dec 04 23:36:29.663 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.663 INFO [stderr]    |
Dec 04 23:36:29.663 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.663 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 04 23:36:29.663 INFO [stderr] 
Dec 04 23:36:29.663 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.663 INFO [stderr]   --> src/hexagram_repository.rs:73:9
Dec 04 23:36:29.663 INFO [stderr]    |
Dec 04 23:36:29.663 INFO [stderr] 73 |         writeln!(f, "  Images:");
Dec 04 23:36:29.663 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.663 INFO [stderr]    |
Dec 04 23:36:29.663 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.663 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 04 23:36:29.663 INFO [stderr] 
Dec 04 23:36:29.663 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.663 INFO [stderr]   --> src/hexagram_repository.rs:74:9
Dec 04 23:36:29.663 INFO [stderr]    |
Dec 04 23:36:29.663 INFO [stderr] 74 |         writeln!(f, "{}", self.get_images());
Dec 04 23:36:29.663 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.663 INFO [stderr]    |
Dec 04 23:36:29.663 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.663 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 04 23:36:29.663 INFO [stderr] 
Dec 04 23:36:29.671 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.671 INFO [stderr]    --> src/trigram.rs:234:9
Dec 04 23:36:29.671 INFO [stderr]     |
Dec 04 23:36:29.671 INFO [stderr] 234 |         writeln!(f, "{} (No. {})", self.symbol(), self.number());
Dec 04 23:36:29.671 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.671 INFO [stderr]     |
Dec 04 23:36:29.671 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.671 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 04 23:36:29.671 INFO [stderr] 
Dec 04 23:36:29.671 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.671 INFO [stderr]    --> src/trigram.rs:235:9
Dec 04 23:36:29.671 INFO [stderr]     |
Dec 04 23:36:29.671 INFO [stderr] 235 |         writeln!(f, "{} - {}", self.romanized(), self.english_translation());
Dec 04 23:36:29.671 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.671 INFO [stderr]     |
Dec 04 23:36:29.671 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.671 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 04 23:36:29.671 INFO [stderr] 
Dec 04 23:36:29.671 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.671 INFO [stderr]    --> src/trigram.rs:236:9
Dec 04 23:36:29.671 INFO [stderr]     |
Dec 04 23:36:29.671 INFO [stderr] 236 |         writeln!(f);
Dec 04 23:36:29.671 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 04 23:36:29.671 INFO [stderr]     |
Dec 04 23:36:29.671 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.671 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 04 23:36:29.671 INFO [stderr] 
Dec 04 23:36:29.671 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.671 INFO [stderr]    --> src/trigram.rs:237:9
Dec 04 23:36:29.671 INFO [stderr]     |
Dec 04 23:36:29.671 INFO [stderr] 237 |         writeln!(f, "Attribute: {}", self.attribute());
Dec 04 23:36:29.671 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.671 INFO [stderr]     |
Dec 04 23:36:29.671 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.671 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 04 23:36:29.671 INFO [stderr] 
Dec 04 23:36:29.671 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.671 INFO [stderr]    --> src/trigram.rs:238:9
Dec 04 23:36:29.671 INFO [stderr]     |
Dec 04 23:36:29.671 INFO [stderr] 238 |         writeln!(f, "Image in nature: {}", self.image());
Dec 04 23:36:29.671 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.671 INFO [stderr]     |
Dec 04 23:36:29.671 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.671 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 04 23:36:29.671 INFO [stderr] 
Dec 04 23:36:29.671 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:36:29.671 INFO [stderr]    --> src/trigram.rs:239:9
Dec 04 23:36:29.671 INFO [stderr]     |
Dec 04 23:36:29.671 INFO [stderr] 239 |         writeln!(f, "Family Relationship: {}", self.family_relationship());
Dec 04 23:36:29.671 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:36:29.671 INFO [stderr]     |
Dec 04 23:36:29.671 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:36:29.671 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 04 23:36:29.671 INFO [stderr] 
Dec 04 23:36:34.068 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.56s
Dec 04 23:36:34.081 INFO [stderr] su: No module specific data is present
Dec 04 23:36:35.533 INFO running `"docker" "inspect" "6f1036534987218d7fb12b9a06f1cc6e336705c928eff06b426add2b9a375f74"`
Dec 04 23:36:35.836 INFO running `"docker" "rm" "-f" "6f1036534987218d7fb12b9a06f1cc6e336705c928eff06b426add2b9a375f74"`
Dec 04 23:36:36.159 INFO [stdout] 6f1036534987218d7fb12b9a06f1cc6e336705c928eff06b426add2b9a375f74