Nov 28 23:37:59.835 INFO checking iching-0.3.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 23:37:59.835 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 23:38:00.082 INFO [stdout] c1cdc98f371cea14f2f667c48aeabf1b745345c3fac1f35f7ec691915cabc31b
Nov 28 23:38:00.087 INFO running `"docker" "start" "-a" "c1cdc98f371cea14f2f667c48aeabf1b745345c3fac1f35f7ec691915cabc31b"`
Nov 28 23:38:00.617 INFO [stderr] usermod: no changes
Nov 28 23:38:00.681 INFO [stderr]     Checking iching v0.3.1 (/source)
Nov 28 23:38:01.912 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:01.913 INFO [stderr]   --> src/hexagram_repository.rs:68:9
Nov 28 23:38:01.914 INFO [stderr]    |
Nov 28 23:38:01.914 INFO [stderr] 68 |         writeln!(f, "  {} (No. {})", self.get_symbol(), self.get_number());
Nov 28 23:38:01.915 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:01.915 INFO [stderr]    |
Nov 28 23:38:01.916 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 23:38:01.916 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:01.916 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 28 23:38:01.917 INFO [stderr] 
Nov 28 23:38:01.917 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:01.917 INFO [stderr]   --> src/hexagram_repository.rs:69:9
Nov 28 23:38:01.918 INFO [stderr]    |
Nov 28 23:38:01.918 INFO [stderr] 69 |         writeln!(f, "{} - {}", self.get_chinese_name(), self.get_localized_name());
Nov 28 23:38:01.918 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:01.919 INFO [stderr]    |
Nov 28 23:38:01.919 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:01.919 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 28 23:38:01.920 INFO [stderr] 
Nov 28 23:38:01.920 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:01.920 INFO [stderr]   --> src/hexagram_repository.rs:70:9
Nov 28 23:38:01.921 INFO [stderr]    |
Nov 28 23:38:01.921 INFO [stderr] 70 |         writeln!(f);
Nov 28 23:38:01.921 INFO [stderr]    |         ^^^^^^^^^^^^
Nov 28 23:38:01.922 INFO [stderr]    |
Nov 28 23:38:01.922 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:01.922 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 28 23:38:01.923 INFO [stderr] 
Nov 28 23:38:01.923 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:01.923 INFO [stderr]   --> src/hexagram_repository.rs:71:9
Nov 28 23:38:01.924 INFO [stderr]    |
Nov 28 23:38:01.924 INFO [stderr] 71 |         writeln!(f, "  Judgement:");
Nov 28 23:38:01.924 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:01.925 INFO [stderr]    |
Nov 28 23:38:01.925 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:01.925 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 28 23:38:01.926 INFO [stderr] 
Nov 28 23:38:01.926 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:01.927 INFO [stderr]   --> src/hexagram_repository.rs:72:9
Nov 28 23:38:01.927 INFO [stderr]    |
Nov 28 23:38:01.927 INFO [stderr] 72 |         writeln!(f, "{}", self.get_judgement());
Nov 28 23:38:01.928 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:01.928 INFO [stderr]    |
Nov 28 23:38:01.928 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:01.929 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 28 23:38:01.929 INFO [stderr] 
Nov 28 23:38:01.929 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:01.930 INFO [stderr]   --> src/hexagram_repository.rs:73:9
Nov 28 23:38:01.930 INFO [stderr]    |
Nov 28 23:38:01.930 INFO [stderr] 73 |         writeln!(f, "  Images:");
Nov 28 23:38:01.931 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:01.931 INFO [stderr]    |
Nov 28 23:38:01.931 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:01.932 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 28 23:38:01.932 INFO [stderr] 
Nov 28 23:38:01.933 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:01.933 INFO [stderr]   --> src/hexagram_repository.rs:74:9
Nov 28 23:38:01.933 INFO [stderr]    |
Nov 28 23:38:01.933 INFO [stderr] 74 |         writeln!(f, "{}", self.get_images());
Nov 28 23:38:01.934 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:01.934 INFO [stderr]    |
Nov 28 23:38:01.935 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:01.935 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 28 23:38:01.935 INFO [stderr] 
Nov 28 23:38:01.948 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:01.948 INFO [stderr]    --> src/trigram.rs:234:9
Nov 28 23:38:01.949 INFO [stderr]     |
Nov 28 23:38:01.949 INFO [stderr] 234 |         writeln!(f, "{} (No. {})", self.symbol(), self.number());
Nov 28 23:38:01.949 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:01.950 INFO [stderr]     |
Nov 28 23:38:01.950 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:01.951 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 28 23:38:01.951 INFO [stderr] 
Nov 28 23:38:01.951 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:01.952 INFO [stderr]    --> src/trigram.rs:235:9
Nov 28 23:38:01.952 INFO [stderr]     |
Nov 28 23:38:01.952 INFO [stderr] 235 |         writeln!(f, "{} - {}", self.romanized(), self.english_translation());
Nov 28 23:38:01.953 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:01.953 INFO [stderr]     |
Nov 28 23:38:01.953 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:01.954 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 28 23:38:01.954 INFO [stderr] 
Nov 28 23:38:01.954 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:01.955 INFO [stderr]    --> src/trigram.rs:236:9
Nov 28 23:38:01.955 INFO [stderr]     |
Nov 28 23:38:01.955 INFO [stderr] 236 |         writeln!(f);
Nov 28 23:38:01.956 INFO [stderr]     |         ^^^^^^^^^^^^
Nov 28 23:38:01.956 INFO [stderr]     |
Nov 28 23:38:01.957 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:01.957 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 28 23:38:01.957 INFO [stderr] 
Nov 28 23:38:01.958 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:01.958 INFO [stderr]    --> src/trigram.rs:237:9
Nov 28 23:38:01.958 INFO [stderr]     |
Nov 28 23:38:01.959 INFO [stderr] 237 |         writeln!(f, "Attribute: {}", self.attribute());
Nov 28 23:38:01.959 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:01.959 INFO [stderr]     |
Nov 28 23:38:01.960 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:01.960 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 28 23:38:01.960 INFO [stderr] 
Nov 28 23:38:01.961 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:01.961 INFO [stderr]    --> src/trigram.rs:238:9
Nov 28 23:38:01.961 INFO [stderr]     |
Nov 28 23:38:01.962 INFO [stderr] 238 |         writeln!(f, "Image in nature: {}", self.image());
Nov 28 23:38:01.962 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:01.962 INFO [stderr]     |
Nov 28 23:38:01.963 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:01.963 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 28 23:38:01.963 INFO [stderr] 
Nov 28 23:38:01.964 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:01.964 INFO [stderr]    --> src/trigram.rs:239:9
Nov 28 23:38:01.965 INFO [stderr]     |
Nov 28 23:38:01.965 INFO [stderr] 239 |         writeln!(f, "Family Relationship: {}", self.family_relationship());
Nov 28 23:38:01.965 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:01.966 INFO [stderr]     |
Nov 28 23:38:01.966 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:01.966 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 28 23:38:01.966 INFO [stderr] 
Nov 28 23:38:03.156 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:03.156 INFO [stderr]   --> src/hexagram_repository.rs:68:9
Nov 28 23:38:03.156 INFO [stderr]    |
Nov 28 23:38:03.156 INFO [stderr] 68 |         writeln!(f, "  {} (No. {})", self.get_symbol(), self.get_number());
Nov 28 23:38:03.156 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:03.156 INFO [stderr]    |
Nov 28 23:38:03.156 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 23:38:03.156 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:03.156 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 28 23:38:03.156 INFO [stderr] 
Nov 28 23:38:03.164 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:03.164 INFO [stderr]   --> src/hexagram_repository.rs:69:9
Nov 28 23:38:03.164 INFO [stderr]    |
Nov 28 23:38:03.164 INFO [stderr] 69 |         writeln!(f, "{} - {}", self.get_chinese_name(), self.get_localized_name());
Nov 28 23:38:03.164 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:03.164 INFO [stderr]    |
Nov 28 23:38:03.164 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:03.164 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 28 23:38:03.164 INFO [stderr] 
Nov 28 23:38:03.164 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:03.164 INFO [stderr]   --> src/hexagram_repository.rs:70:9
Nov 28 23:38:03.165 INFO [stderr]    |
Nov 28 23:38:03.165 INFO [stderr] 70 |         writeln!(f);
Nov 28 23:38:03.165 INFO [stderr]    |         ^^^^^^^^^^^^
Nov 28 23:38:03.165 INFO [stderr]    |
Nov 28 23:38:03.165 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:03.165 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 28 23:38:03.165 INFO [stderr] 
Nov 28 23:38:03.165 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:03.165 INFO [stderr]   --> src/hexagram_repository.rs:71:9
Nov 28 23:38:03.165 INFO [stderr]    |
Nov 28 23:38:03.165 INFO [stderr] 71 |         writeln!(f, "  Judgement:");
Nov 28 23:38:03.165 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:03.165 INFO [stderr]    |
Nov 28 23:38:03.165 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:03.165 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 28 23:38:03.165 INFO [stderr] 
Nov 28 23:38:03.165 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:03.165 INFO [stderr]   --> src/hexagram_repository.rs:72:9
Nov 28 23:38:03.165 INFO [stderr]    |
Nov 28 23:38:03.165 INFO [stderr] 72 |         writeln!(f, "{}", self.get_judgement());
Nov 28 23:38:03.165 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:03.165 INFO [stderr]    |
Nov 28 23:38:03.165 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:03.165 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 28 23:38:03.165 INFO [stderr] 
Nov 28 23:38:03.165 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:03.165 INFO [stderr]   --> src/hexagram_repository.rs:73:9
Nov 28 23:38:03.165 INFO [stderr]    |
Nov 28 23:38:03.165 INFO [stderr] 73 |         writeln!(f, "  Images:");
Nov 28 23:38:03.165 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:03.165 INFO [stderr]    |
Nov 28 23:38:03.165 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:03.165 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 28 23:38:03.165 INFO [stderr] 
Nov 28 23:38:03.165 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:03.165 INFO [stderr]   --> src/hexagram_repository.rs:74:9
Nov 28 23:38:03.165 INFO [stderr]    |
Nov 28 23:38:03.165 INFO [stderr] 74 |         writeln!(f, "{}", self.get_images());
Nov 28 23:38:03.165 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:03.165 INFO [stderr]    |
Nov 28 23:38:03.165 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:03.165 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 28 23:38:03.165 INFO [stderr] 
Nov 28 23:38:03.184 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:03.184 INFO [stderr]    --> src/trigram.rs:234:9
Nov 28 23:38:03.184 INFO [stderr]     |
Nov 28 23:38:03.184 INFO [stderr] 234 |         writeln!(f, "{} (No. {})", self.symbol(), self.number());
Nov 28 23:38:03.184 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:03.196 INFO [stderr]     |
Nov 28 23:38:03.196 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:03.196 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 28 23:38:03.196 INFO [stderr] 
Nov 28 23:38:03.196 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:03.196 INFO [stderr]    --> src/trigram.rs:235:9
Nov 28 23:38:03.196 INFO [stderr]     |
Nov 28 23:38:03.196 INFO [stderr] 235 |         writeln!(f, "{} - {}", self.romanized(), self.english_translation());
Nov 28 23:38:03.196 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:03.196 INFO [stderr]     |
Nov 28 23:38:03.196 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:03.196 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 28 23:38:03.196 INFO [stderr] 
Nov 28 23:38:03.196 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:03.196 INFO [stderr]    --> src/trigram.rs:236:9
Nov 28 23:38:03.196 INFO [stderr]     |
Nov 28 23:38:03.196 INFO [stderr] 236 |         writeln!(f);
Nov 28 23:38:03.196 INFO [stderr]     |         ^^^^^^^^^^^^
Nov 28 23:38:03.196 INFO [stderr]     |
Nov 28 23:38:03.196 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:03.196 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 28 23:38:03.196 INFO [stderr] 
Nov 28 23:38:03.196 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:03.196 INFO [stderr]    --> src/trigram.rs:237:9
Nov 28 23:38:03.196 INFO [stderr]     |
Nov 28 23:38:03.196 INFO [stderr] 237 |         writeln!(f, "Attribute: {}", self.attribute());
Nov 28 23:38:03.196 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:03.196 INFO [stderr]     |
Nov 28 23:38:03.196 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:03.196 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 28 23:38:03.196 INFO [stderr] 
Nov 28 23:38:03.196 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:03.196 INFO [stderr]    --> src/trigram.rs:238:9
Nov 28 23:38:03.196 INFO [stderr]     |
Nov 28 23:38:03.197 INFO [stderr] 238 |         writeln!(f, "Image in nature: {}", self.image());
Nov 28 23:38:03.197 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:03.197 INFO [stderr]     |
Nov 28 23:38:03.197 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:03.197 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 28 23:38:03.197 INFO [stderr] 
Nov 28 23:38:03.197 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:38:03.197 INFO [stderr]    --> src/trigram.rs:239:9
Nov 28 23:38:03.197 INFO [stderr]     |
Nov 28 23:38:03.197 INFO [stderr] 239 |         writeln!(f, "Family Relationship: {}", self.family_relationship());
Nov 28 23:38:03.197 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:38:03.197 INFO [stderr]     |
Nov 28 23:38:03.197 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:38:03.197 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 28 23:38:03.197 INFO [stderr] 
Nov 28 23:38:06.100 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.46s
Nov 28 23:38:06.112 INFO [stderr] su: No module specific data is present
Nov 28 23:38:06.776 INFO running `"docker" "inspect" "c1cdc98f371cea14f2f667c48aeabf1b745345c3fac1f35f7ec691915cabc31b"`
Nov 28 23:38:06.952 INFO running `"docker" "rm" "-f" "c1cdc98f371cea14f2f667c48aeabf1b745345c3fac1f35f7ec691915cabc31b"`
Nov 28 23:38:07.123 INFO [stdout] c1cdc98f371cea14f2f667c48aeabf1b745345c3fac1f35f7ec691915cabc31b