[INFO] cloning repository https://github.com/raimon49/rust-string-and-text-study [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raimon49/rust-string-and-text-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-string-and-text-study", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-string-and-text-study'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d5c5e9c2c1da9a832e100d4df282c201e83ca55c [INFO] testing raimon49/rust-string-and-text-study against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-string-and-text-study" "/workspace/builds/worker-27/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/raimon49/rust-string-and-text-study on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/raimon49/rust-string-and-text-study [INFO] finished tweaking git repo https://github.com/raimon49/rust-string-and-text-study [INFO] tweaked toml for git repo https://github.com/raimon49/rust-string-and-text-study written to /workspace/builds/worker-27/source/Cargo.toml [INFO] crate git repo https://github.com/raimon49/rust-string-and-text-study already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2bc4b0483b68e1501b87fefc0a835103d15b20a0ca6b3c327e586dc232fdc46e [INFO] running `Command { std: "docker" "start" "-a" "2bc4b0483b68e1501b87fefc0a835103d15b20a0ca6b3c327e586dc232fdc46e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2bc4b0483b68e1501b87fefc0a835103d15b20a0ca6b3c327e586dc232fdc46e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bc4b0483b68e1501b87fefc0a835103d15b20a0ca6b3c327e586dc232fdc46e", kill_on_drop: false }` [INFO] [stdout] 2bc4b0483b68e1501b87fefc0a835103d15b20a0ca6b3c327e586dc232fdc46e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28192bef46829d55ebb1de029bc221efb3bdc5c8f8245b63d8055a4ce1a14056 [INFO] running `Command { std: "docker" "start" "-a" "28192bef46829d55ebb1de029bc221efb3bdc5c8f8245b63d8055a4ce1a14056", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling rust-string-and-text-study v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:515:42 [INFO] [stdout] | [INFO] [stdout] 515 | struct Complex { r: f64, i: f64 }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:565:42 [INFO] [stdout] | [INFO] [stdout] 565 | struct Complex { r: f64, i: f64 }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `log` [INFO] [stdout] --> src/main.rs:618:22 [INFO] [stdout] | [INFO] [stdout] 618 | macro_rules! log { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufRead` [INFO] [stdout] --> src/main.rs:668:13 [INFO] [stdout] | [INFO] [stdout] 668 | use std::io::BufRead; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/main.rs:662:9 [INFO] [stdout] | [INFO] [stdout] 662 | / ... lazy_static! { [INFO] [stdout] 663 | | ... // 3rd parthのlazy_staticクレートで提供されるマクロで宣言したSEMVERは [INFO] [stdout] 664 | | ... // 最初に参照解決されたタイミングまで初期化が遅延されるためRegex::new()のコストを1回きりに最小化できる ... [INFO] [stdout] 665 | | ... static ref SEMVER: Regex = Regex::new(r"(\d+)\.(\d+)\.(\d+)(-[-.[:alnum:]]*)?").expect("error parsing regex"); [INFO] [stdout] 666 | | ... } [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stdin` [INFO] [stdout] --> src/main.rs:670:13 [INFO] [stdout] | [INFO] [stdout] 670 | let stdin = std::io::stdin(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r` [INFO] [stdout] --> src/main.rs:515:26 [INFO] [stdout] | [INFO] [stdout] 515 | struct Complex { r: f64, i: f64 }; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Complex` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:514:24 [INFO] [stdout] | [INFO] [stdout] 514 | #[derive(Copy, Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `i` [INFO] [stdout] --> src/main.rs:515:34 [INFO] [stdout] | [INFO] [stdout] 515 | struct Complex { r: f64, i: f64 }; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Complex` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:514:24 [INFO] [stdout] | [INFO] [stdout] 514 | #[derive(Copy, Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `logging_enabled` [INFO] [stdout] --> src/main.rs:595:12 [INFO] [stdout] | [INFO] [stdout] 595 | fn logging_enabled() -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `write_log_entry` [INFO] [stdout] --> src/main.rs:602:12 [INFO] [stdout] | [INFO] [stdout] 602 | fn write_log_entry(entry: std::fmt::Arguments) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.78s [INFO] running `Command { std: "docker" "inspect" "28192bef46829d55ebb1de029bc221efb3bdc5c8f8245b63d8055a4ce1a14056", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28192bef46829d55ebb1de029bc221efb3bdc5c8f8245b63d8055a4ce1a14056", kill_on_drop: false }` [INFO] [stdout] 28192bef46829d55ebb1de029bc221efb3bdc5c8f8245b63d8055a4ce1a14056 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e447e41cb9de8e30795c54dcffb9fe109a1bed6dafb666a9d9f946bf7390763 [INFO] running `Command { std: "docker" "start" "-a" "7e447e41cb9de8e30795c54dcffb9fe109a1bed6dafb666a9d9f946bf7390763", kill_on_drop: false }` [INFO] [stderr] Compiling rust-string-and-text-study v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:515:42 [INFO] [stdout] | [INFO] [stdout] 515 | struct Complex { r: f64, i: f64 }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:565:42 [INFO] [stdout] | [INFO] [stdout] 565 | struct Complex { r: f64, i: f64 }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `log` [INFO] [stdout] --> src/main.rs:618:22 [INFO] [stdout] | [INFO] [stdout] 618 | macro_rules! log { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufRead` [INFO] [stdout] --> src/main.rs:668:13 [INFO] [stdout] | [INFO] [stdout] 668 | use std::io::BufRead; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/main.rs:662:9 [INFO] [stdout] | [INFO] [stdout] 662 | / ... lazy_static! { [INFO] [stdout] 663 | | ... // 3rd parthのlazy_staticクレートで提供されるマクロで宣言したSEMVERは [INFO] [stdout] 664 | | ... // 最初に参照解決されたタイミングまで初期化が遅延されるためRegex::new()のコストを1回きりに最小化できる ... [INFO] [stdout] 665 | | ... static ref SEMVER: Regex = Regex::new(r"(\d+)\.(\d+)\.(\d+)(-[-.[:alnum:]]*)?").expect("error parsing regex"); [INFO] [stdout] 666 | | ... } [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stdin` [INFO] [stdout] --> src/main.rs:670:13 [INFO] [stdout] | [INFO] [stdout] 670 | let stdin = std::io::stdin(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "7e447e41cb9de8e30795c54dcffb9fe109a1bed6dafb666a9d9f946bf7390763", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e447e41cb9de8e30795c54dcffb9fe109a1bed6dafb666a9d9f946bf7390763", kill_on_drop: false }` [INFO] [stdout] 7e447e41cb9de8e30795c54dcffb9fe109a1bed6dafb666a9d9f946bf7390763 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 30f618b383631885f426fc7b134832aec9fe4cfa40ba5b4f1edcb073d2aee291 [INFO] running `Command { std: "docker" "start" "-a" "30f618b383631885f426fc7b134832aec9fe4cfa40ba5b4f1edcb073d2aee291", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:515:42 [INFO] [stderr] | [INFO] [stderr] 515 | struct Complex { r: f64, i: f64 }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:565:42 [INFO] [stderr] | [INFO] [stderr] 565 | struct Complex { r: f64, i: f64 }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unused macro definition: `log` [INFO] [stderr] --> src/main.rs:618:22 [INFO] [stderr] | [INFO] [stderr] 618 | macro_rules! log { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::BufRead` [INFO] [stderr] --> src/main.rs:668:13 [INFO] [stderr] | [INFO] [stderr] 668 | use std::io::BufRead; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stderr] --> src/main.rs:662:9 [INFO] [stderr] | [INFO] [stderr] 662 | / ... lazy_static! { [INFO] [stderr] 663 | | ... // 3rd parthのlazy_staticクレートで提供されるマクロで宣言したSEMVERは [INFO] [stderr] 664 | | ... // 最初に参照解決されたタイミングまで初期化が遅延されるためRegex::new()のコストを1回きりに最小化できる ... [INFO] [stderr] 665 | | ... static ref SEMVER: Regex = Regex::new(r"(\d+)\.(\d+)\.(\d+)(-[-.[:alnum:]]*)?").expect("error parsing regex"); [INFO] [stderr] 666 | | ... } [INFO] [stderr] | |_______^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stdin` [INFO] [stderr] --> src/main.rs:670:13 [INFO] [stderr] | [INFO] [stderr] 670 | let stdin = std::io::stdin(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust-string-and-text-study` (bin "rust-string-and-text-study" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_string_and_text_study-b36b42078b4b4caf) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "30f618b383631885f426fc7b134832aec9fe4cfa40ba5b4f1edcb073d2aee291", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30f618b383631885f426fc7b134832aec9fe4cfa40ba5b4f1edcb073d2aee291", kill_on_drop: false }` [INFO] [stdout] 30f618b383631885f426fc7b134832aec9fe4cfa40ba5b4f1edcb073d2aee291