[INFO] updating cached repository https://github.com/smith-30/rust-aoj
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4c8780c812d0193f92f833d2ef13881463bf589
[INFO] testing smith-30/rust-aoj against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmith-30%2Frust-aoj" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smith-30/rust-aoj on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/smith-30/rust-aoj
[INFO] finished tweaking git repo https://github.com/smith-30/rust-aoj
[INFO] tweaked toml for git repo https://github.com/smith-30/rust-aoj written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/smith-30/rust-aoj already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b53ad9d7798c1bf21e87b6339048e711a9d4ee46e381a25bd14c1e69a607a70e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b53ad9d7798c1bf21e87b6339048e711a9d4ee46e381a25bd14c1e69a607a70e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b53ad9d7798c1bf21e87b6339048e711a9d4ee46e381a25bd14c1e69a607a70e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53ad9d7798c1bf21e87b6339048e711a9d4ee46e381a25bd14c1e69a607a70e", kill_on_drop: false }`
[INFO] [stdout] b53ad9d7798c1bf21e87b6339048e711a9d4ee46e381a25bd14c1e69a607a70e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdf7a52594ffb83c670fdce5de30cf876e65b4607d8a4f041231b2cbe0ed901c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cdf7a52594ffb83c670fdce5de30cf876e65b4607d8a4f041231b2cbe0ed901c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling round v0.1.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling libmath v0.2.0
[INFO] [stderr]    Compiling AOJ v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `AOJ` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `aoj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "cdf7a52594ffb83c670fdce5de30cf876e65b4607d8a4f041231b2cbe0ed901c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf7a52594ffb83c670fdce5de30cf876e65b4607d8a4f041231b2cbe0ed901c", kill_on_drop: false }`
[INFO] [stdout] cdf7a52594ffb83c670fdce5de30cf876e65b4607d8a4f041231b2cbe0ed901c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 53fec97e4a541ee66935eace4c38c1dd6ac04809083b04f16e19a9fb2c250600
[INFO] running `Command { std: "docker" "start" "-a" "53fec97e4a541ee66935eace4c38c1dd6ac04809083b04f16e19a9fb2c250600", kill_on_drop: false }`
[INFO] [stderr]    Compiling AOJ v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> examples/debt_hell.rs:57:11
[INFO] [stdout]    |
[INFO] [stdout] 57 |         1 ... 100 => return num,
[INFO] [stdout]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> examples/digit_number.rs:28:61
[INFO] [stdout]    |
[INFO] [stdout] 28 |         Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> examples/digit_number.rs:35:61
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> examples/reverse_sequence.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     /**
[INFO] [stdout] 28 | |      * Stringをchar型に変換
[INFO] [stdout] 29 | |      * 逆順にしてRevオブジェクトに詰められる
[INFO] [stdout] 30 | |      * オブジェクト内を操作してStringにする
[INFO] [stdout] 31 | |      *
[INFO] [stdout] 32 | |      * Stringを文字の集合として捉えることができるので可能
[INFO] [stdout] 33 | |      */
[INFO] [stdout]    | |_______^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `AOJ` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `aoj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> examples/english_sentence.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | /     /**
[INFO] [stdout] 67 | |      * @Todo
[INFO] [stdout] 68 | |      * value assigned to `word_appeared_count` is never read
[INFO] [stdout] 69 | |      * 解決する
[INFO] [stdout] 70 | |      */
[INFO] [stdout]    | |_______^
[INFO] [stdout] 71 |       let mut word_appeared_count = 0;
[INFO] [stdout]    |       -------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> examples/english_sentence.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /     /**
[INFO] [stdout] 76 | |      * @Todo こいつうまく書くタイミング。。
[INFO] [stdout] 77 | |      */
[INFO] [stdout]    | |_______^
[INFO] [stdout] 78 |       x.sort();
[INFO] [stdout]    |       -------- rustdoc does not generate documentation for expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `word_appeared_count` is never read
[INFO] [stdout]   --> examples/english_sentence.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut word_appeared_count = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> examples/list_of_top_3_hills.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     /**
[INFO] [stdout] 43 | |      * テキストをvecに区切って格納
[INFO] [stdout] 44 | |      */
[INFO] [stdout]    | |_______^
[INFO] [stdout] 45 |       let mut reader = content.lines();
[INFO] [stdout]    |       --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> examples/list_of_top_3_hills.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     /**
[INFO] [stdout] 59 | |      * sort
[INFO] [stdout] 60 | |      */
[INFO] [stdout]    | |_______^
[INFO] [stdout] 61 |       let mut made_changes = true;
[INFO] [stdout]    |       ---------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> examples/list_of_top_3_hills.rs:28:61
[INFO] [stdout]    |
[INFO] [stdout] 28 |         Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> examples/list_of_top_3_hills.rs:35:61
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "53fec97e4a541ee66935eace4c38c1dd6ac04809083b04f16e19a9fb2c250600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53fec97e4a541ee66935eace4c38c1dd6ac04809083b04f16e19a9fb2c250600", kill_on_drop: false }`
[INFO] [stdout] 53fec97e4a541ee66935eace4c38c1dd6ac04809083b04f16e19a9fb2c250600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 840c5ef3d649e9ae11c287df1dccaa3586aeaa1fa0a590bfdb0f6f307a65ebee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "840c5ef3d649e9ae11c287df1dccaa3586aeaa1fa0a590bfdb0f6f307a65ebee", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: crate `AOJ` should have a snake case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]   = help: convert the identifier to snake case: `aoj`
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> examples/debt_hell.rs:57:11
[INFO] [stderr]    |
[INFO] [stderr] 57 |         1 ... 100 => return num,
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> examples/digit_number.rs:28:61
[INFO] [stderr]    |
[INFO] [stderr] 28 |         Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> examples/digit_number.rs:35:61
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> examples/reverse_sequence.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     /**
[INFO] [stderr] 28 | |      * Stringをchar型に変換
[INFO] [stderr] 29 | |      * 逆順にしてRevオブジェクトに詰められる
[INFO] [stderr] 30 | |      * オブジェクト内を操作してStringにする
[INFO] [stderr] 31 | |      *
[INFO] [stderr] 32 | |      * Stringを文字の集合として捉えることができるので可能
[INFO] [stderr] 33 | |      */
[INFO] [stderr]    | |_______^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> examples/english_sentence.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 | /     /**
[INFO] [stderr] 67 | |      * @Todo
[INFO] [stderr] 68 | |      * value assigned to `word_appeared_count` is never read
[INFO] [stderr] 69 | |      * 解決する
[INFO] [stderr] 70 | |      */
[INFO] [stderr]    | |_______^
[INFO] [stderr] 71 |       let mut word_appeared_count = 0;
[INFO] [stderr]    |       -------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> examples/list_of_top_3_hills.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | /     /**
[INFO] [stderr] 43 | |      * テキストをvecに区切って格納
[INFO] [stderr] 44 | |      */
[INFO] [stderr]    | |_______^
[INFO] [stderr] 45 |       let mut reader = content.lines();
[INFO] [stderr]    |       --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> examples/list_of_top_3_hills.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 | /     /**
[INFO] [stderr] 59 | |      * sort
[INFO] [stderr] 60 | |      */
[INFO] [stderr]    | |_______^
[INFO] [stderr] 61 |       let mut made_changes = true;
[INFO] [stderr]    |       ---------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> examples/english_sentence.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     /**
[INFO] [stderr] 76 | |      * @Todo こいつうまく書くタイミング。。
[INFO] [stderr] 77 | |      */
[INFO] [stderr]    | |_______^
[INFO] [stderr] 78 |       x.sort();
[INFO] [stderr]    |       -------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> examples/list_of_top_3_hills.rs:28:61
[INFO] [stderr]    |
[INFO] [stderr] 28 |         Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `word_appeared_count` is never read
[INFO] [stderr]   --> examples/english_sentence.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut word_appeared_count = 0;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> examples/list_of_top_3_hills.rs:35:61
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/AOJ-5684929b7098e93c
[INFO] running `Command { std: "docker" "inspect" "840c5ef3d649e9ae11c287df1dccaa3586aeaa1fa0a590bfdb0f6f307a65ebee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840c5ef3d649e9ae11c287df1dccaa3586aeaa1fa0a590bfdb0f6f307a65ebee", kill_on_drop: false }`
[INFO] [stdout] 840c5ef3d649e9ae11c287df1dccaa3586aeaa1fa0a590bfdb0f6f307a65ebee