[INFO] cloning 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" "clone" "--bare" "https://github.com/smith-30/rust-aoj" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmith-30%2Frust-aoj", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmith-30%2Frust-aoj'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4c8780c812d0193f92f833d2ef13881463bf589
[INFO] checking smith-30/rust-aoj against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmith-30%2Frust-aoj" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smith-30/rust-aoj on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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-14/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" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libmath v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ac4c53b4918abe48d3218f43ae5a66a3385a0d8032be40c5ddc62be4542c0b8
[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" "6ac4c53b4918abe48d3218f43ae5a66a3385a0d8032be40c5ddc62be4542c0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ac4c53b4918abe48d3218f43ae5a66a3385a0d8032be40c5ddc62be4542c0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac4c53b4918abe48d3218f43ae5a66a3385a0d8032be40c5ddc62be4542c0b8", kill_on_drop: false }`
[INFO] [stdout] 6ac4c53b4918abe48d3218f43ae5a66a3385a0d8032be40c5ddc62be4542c0b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d9f63cdfe359826840ffbc182cf793e08052038d178f252a9b415bbcdfe3e76
[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" "4d9f63cdfe359826840ffbc182cf793e08052038d178f252a9b415bbcdfe3e76", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking round v0.1.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking libmath v0.2.0
[INFO] [stderr]     Checking AOJ v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/bench_test.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[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/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: 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/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: `...` 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: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: 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: 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: 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] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[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] [stderr] error: could not compile `AOJ`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4d9f63cdfe359826840ffbc182cf793e08052038d178f252a9b415bbcdfe3e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d9f63cdfe359826840ffbc182cf793e08052038d178f252a9b415bbcdfe3e76", kill_on_drop: false }`
[INFO] [stdout] 4d9f63cdfe359826840ffbc182cf793e08052038d178f252a9b415bbcdfe3e76
