[INFO] cloning repository https://github.com/load28/awesome_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/load28/awesome_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fload28%2Fawesome_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fload28%2Fawesome_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8e56f40169ddc55266b8d4964b287e72a5db8cec [INFO] checking load28/awesome_rust against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fload28%2Fawesome_rust" "/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/load28/awesome_rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/load28/awesome_rust [INFO] finished tweaking git repo https://github.com/load28/awesome_rust [INFO] tweaked toml for git repo https://github.com/load28/awesome_rust written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/load28/awesome_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec78b0928a781346c7d4e165073649ff1becfd79ce3d9f8695e3b3d1fd4a52c3 [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" "ec78b0928a781346c7d4e165073649ff1becfd79ce3d9f8695e3b3d1fd4a52c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec78b0928a781346c7d4e165073649ff1becfd79ce3d9f8695e3b3d1fd4a52c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec78b0928a781346c7d4e165073649ff1becfd79ce3d9f8695e3b3d1fd4a52c3", kill_on_drop: false }` [INFO] [stdout] ec78b0928a781346c7d4e165073649ff1becfd79ce3d9f8695e3b3d1fd4a52c3 [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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b90b41888eaa1c25300338729443d8f1ef98e78a69417a818fe46025792f103 [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" "9b90b41888eaa1c25300338729443d8f1ef98e78a69417a818fe46025792f103", kill_on_drop: false }` [INFO] [stderr] Checking untitled1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `one` [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let one = a[0]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_one` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `two` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let two = a[1]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_two` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | let s = "hello"; // 스트링 리터럴 (문자열은 고정된 크기 - 컴파일 타입에서 고정된 사이즈를 가지고 있기 때문에 스택에 저장 !, String 타입 ... [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s4` [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let s4 = s3.clone(); // 클론을 통해서 깊은 복사를 수행 할 수 있음 [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | let y = x; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 168 | let b = &a[1..]; // 스트링 리터럴이 불변인 이유는 불변 참조자를 통해서 슬라이스가 만들어지기 때문이다 ... [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `none` [INFO] [stdout] --> src/rust_enum.rs:61:7 [INFO] [stdout] | [INFO] [stdout] 61 | let none: Option = None; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `one` [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let one = a[0]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_one` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `two` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let two = a[1]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_two` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | let s = "hello"; // 스트링 리터럴 (문자열은 고정된 크기 - 컴파일 타입에서 고정된 사이즈를 가지고 있기 때문에 스택에 저장 !, String 타입 ... [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s4` [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let s4 = s3.clone(); // 클론을 통해서 깊은 복사를 수행 할 수 있음 [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | let y = x; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 168 | let b = &a[1..]; // 스트링 리터럴이 불변인 이유는 불변 참조자를 통해서 슬라이스가 만들어지기 때문이다 ... [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `none` [INFO] [stdout] --> src/rust_enum.rs:61:7 [INFO] [stdout] | [INFO] [stdout] 61 | let none: Option = None; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `White` [INFO] [stdout] --> src/rust_enum.rs:38:3 [INFO] [stdout] | [INFO] [stdout] 38 | White(i8, i8, i8), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Green` [INFO] [stdout] --> src/rust_enum.rs:40:3 [INFO] [stdout] | [INFO] [stdout] 40 | Green(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Palate` [INFO] [stdout] --> src/rust_enum.rs:41:3 [INFO] [stdout] | [INFO] [stdout] 41 | / Palate { [INFO] [stdout] 42 | | color: String, [INFO] [stdout] 43 | | opacity: i8 [INFO] [stdout] 44 | | } [INFO] [stdout] | |___^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_ownership` [INFO] [stdout] --> src/main.rs:136:4 [INFO] [stdout] | [INFO] [stdout] 136 | fn take_ownership(some: String) -> (String, i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | 10 + 1; // 더하기 연산도 하나의 표현식이기 때문에 결과를 반환한다 [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_ipAddr` should have a snake case name [INFO] [stdout] --> src/rust_enum.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn get_ipAddr() -> IpAddrKind { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `get_ip_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `White` [INFO] [stdout] --> src/rust_enum.rs:38:3 [INFO] [stdout] | [INFO] [stdout] 38 | White(i8, i8, i8), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Green` [INFO] [stdout] --> src/rust_enum.rs:40:3 [INFO] [stdout] | [INFO] [stdout] 40 | Green(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Palate` [INFO] [stdout] --> src/rust_enum.rs:41:3 [INFO] [stdout] | [INFO] [stdout] 41 | / Palate { [INFO] [stdout] 42 | | color: String, [INFO] [stdout] 43 | | opacity: i8 [INFO] [stdout] 44 | | } [INFO] [stdout] | |___^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_ownership` [INFO] [stdout] --> src/main.rs:136:4 [INFO] [stdout] | [INFO] [stdout] 136 | fn take_ownership(some: String) -> (String, i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | 10 + 1; // 더하기 연산도 하나의 표현식이기 때문에 결과를 반환한다 [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_ipAddr` should have a snake case name [INFO] [stdout] --> src/rust_enum.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn get_ipAddr() -> IpAddrKind { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `get_ip_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "9b90b41888eaa1c25300338729443d8f1ef98e78a69417a818fe46025792f103", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b90b41888eaa1c25300338729443d8f1ef98e78a69417a818fe46025792f103", kill_on_drop: false }` [INFO] [stdout] 9b90b41888eaa1c25300338729443d8f1ef98e78a69417a818fe46025792f103