[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#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmith-30%2Frust-aoj" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/smith-30/rust-aoj on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking smith-30/rust-aoj against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmith-30%2Frust-aoj" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/smith-30/rust-aoj on toolchain 047472f299946caf090d1b5608ae4bd9f0416256 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libmath v0.2.0 [INFO] [stderr] Downloaded round v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0ecc0d2bdcf11c0c431f50310b3190e400b9c7ab4c29900e836a1bade86450a1 [INFO] running `Command { std: "docker" "start" "-a" "0ecc0d2bdcf11c0c431f50310b3190e400b9c7ab4c29900e836a1bade86450a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0ecc0d2bdcf11c0c431f50310b3190e400b9c7ab4c29900e836a1bade86450a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ecc0d2bdcf11c0c431f50310b3190e400b9c7ab4c29900e836a1bade86450a1", kill_on_drop: false }` [INFO] [stdout] 0ecc0d2bdcf11c0c431f50310b3190e400b9c7ab4c29900e836a1bade86450a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Ddereferencing_mut_binding" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2159f2e7996b2f422e8f6e733a2ed77df7668772257e5dbf339a1119586f4f88 [INFO] running `Command { std: "docker" "start" "-a" "2159f2e7996b2f422e8f6e733a2ed77df7668772257e5dbf339a1119586f4f88", 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] 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] = help: use `/* */` for a plain comment [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] = help: use `/* */` for a plain comment [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] = help: use `/* */` for a plain comment [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] = help: use `/* */` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `AOJ` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `aoj` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `AOJ` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `aoj` [INFO] [stdout] = note: `#[warn(non_snake_case)]` 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] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` 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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> examples/list_of_top_3_hills.rs:28:68 [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 method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> examples/list_of_top_3_hills.rs:35:68 [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: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> examples/digit_number.rs:28:68 [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 method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> examples/digit_number.rs:35:68 [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `word_appeared_count` is never read [INFO] [stdout] --> examples/english_sentence.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let mut word_appeared_count = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `Command { std: "docker" "inspect" "2159f2e7996b2f422e8f6e733a2ed77df7668772257e5dbf339a1119586f4f88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2159f2e7996b2f422e8f6e733a2ed77df7668772257e5dbf339a1119586f4f88", kill_on_drop: false }` [INFO] [stdout] 2159f2e7996b2f422e8f6e733a2ed77df7668772257e5dbf339a1119586f4f88