[INFO] cloning repository https://github.com/Mr-Malomz/rustlang_journey [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mr-Malomz/rustlang_journey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMr-Malomz%2Frustlang_journey"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMr-Malomz%2Frustlang_journey'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d1a46c6130df8a3c1879806fc863571e86c9422c [INFO] checking Mr-Malomz/rustlang_journey against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMr-Malomz%2Frustlang_journey" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Mr-Malomz/rustlang_journey on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Mr-Malomz/rustlang_journey [INFO] finished tweaking git repo https://github.com/Mr-Malomz/rustlang_journey [INFO] tweaked toml for git repo https://github.com/Mr-Malomz/rustlang_journey written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/Mr-Malomz/rustlang_journey already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b2ec33a8ea2776151fc74f5a6aa7f954d3a49b62ba6d427d752d12b642335888 [INFO] running `"docker" "start" "-a" "b2ec33a8ea2776151fc74f5a6aa7f954d3a49b62ba6d427d752d12b642335888"` [INFO] [stderr] Checking rustlang_journey v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `four` [INFO] [stderr] --> src/enums.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let four = IpAddrKind::V4; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `five` [INFO] [stderr] --> src/enums.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let five: &str; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_five` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `V4` [INFO] [stderr] --> src/enums.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | V4, [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `V6` [INFO] [stderr] --> src/enums.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | V6, [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `V4` [INFO] [stderr] --> src/enums.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | V4(u8, u8, u8, u8), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `V6` [INFO] [stderr] --> src/enums.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | V6(String), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quit` [INFO] [stderr] --> src/enums.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | Quit, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Move` [INFO] [stderr] --> src/enums.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | Move { x: i32, y: i32 }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Write` [INFO] [stderr] --> src/enums.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | Write(String), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ChangeColor` [INFO] [stderr] --> src/enums.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | ChangeColor(i32, i32, i32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Some` [INFO] [stderr] --> src/enums.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | Some(T), //this are Options in rust; they're used to check if variable is null or not [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Penny` [INFO] [stderr] --> src/enums.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | Penny, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> src/enums.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> src/enums.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quarter` [INFO] [stderr] --> src/enums.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | Quarter, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `instanceOfEnum` [INFO] [stderr] --> src/enums.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn instanceOfEnum(coin: Coin) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `owner` [INFO] [stderr] --> src/ownership.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn owner() { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `calculate_length` [INFO] [stderr] --> src/ownership.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn calculate_length(s: &String) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `first_word` [INFO] [stderr] --> src/ownership.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn first_word(s: &String) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Rectangle` [INFO] [stderr] --> src/structs.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | pub struct Rectangle { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `area` [INFO] [stderr] --> src/structs.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | fn area(&self) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `area` [INFO] [stderr] --> src/structs.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn area(rectangle: Rectangle) -> u32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `print_area` [INFO] [stderr] --> src/implementation.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn print_area(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `instanceOfEnum` should have a snake case name [INFO] [stderr] --> src/enums.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn instanceOfEnum(coin: Coin) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `instance_of_enum` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 24 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `four` [INFO] [stderr] --> src/enums.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let four = IpAddrKind::V4; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `five` [INFO] [stderr] --> src/enums.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let five: &str; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_five` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `V4` [INFO] [stderr] --> src/enums.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | V4, [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `V6` [INFO] [stderr] --> src/enums.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | V6, [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `V4` [INFO] [stderr] --> src/enums.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | V4(u8, u8, u8, u8), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `V6` [INFO] [stderr] --> src/enums.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | V6(String), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quit` [INFO] [stderr] --> src/enums.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | Quit, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Move` [INFO] [stderr] --> src/enums.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | Move { x: i32, y: i32 }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Write` [INFO] [stderr] --> src/enums.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | Write(String), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ChangeColor` [INFO] [stderr] --> src/enums.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | ChangeColor(i32, i32, i32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Some` [INFO] [stderr] --> src/enums.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | Some(T), //this are Options in rust; they're used to check if variable is null or not [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Penny` [INFO] [stderr] --> src/enums.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | Penny, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> src/enums.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> src/enums.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quarter` [INFO] [stderr] --> src/enums.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | Quarter, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `instanceOfEnum` [INFO] [stderr] --> src/enums.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn instanceOfEnum(coin: Coin) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `owner` [INFO] [stderr] --> src/ownership.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn owner() { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `calculate_length` [INFO] [stderr] --> src/ownership.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn calculate_length(s: &String) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `first_word` [INFO] [stderr] --> src/ownership.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn first_word(s: &String) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Rectangle` [INFO] [stderr] --> src/structs.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | pub struct Rectangle { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `area` [INFO] [stderr] --> src/structs.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | fn area(&self) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `area` [INFO] [stderr] --> src/structs.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn area(rectangle: Rectangle) -> u32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `print_area` [INFO] [stderr] --> src/implementation.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn print_area(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `instanceOfEnum` should have a snake case name [INFO] [stderr] --> src/enums.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn instanceOfEnum(coin: Coin) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `instance_of_enum` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 24 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `"docker" "inspect" "b2ec33a8ea2776151fc74f5a6aa7f954d3a49b62ba6d427d752d12b642335888"` [INFO] running `"docker" "rm" "-f" "b2ec33a8ea2776151fc74f5a6aa7f954d3a49b62ba6d427d752d12b642335888"` [INFO] [stdout] b2ec33a8ea2776151fc74f5a6aa7f954d3a49b62ba6d427d752d12b642335888