[INFO] cloning repository https://github.com/Medsko/study-crate [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Medsko/study-crate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMedsko%2Fstudy-crate", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMedsko%2Fstudy-crate'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2f21157493b3574c7d1d682316c7df5ba4a16c80 [INFO] checking Medsko/study-crate against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMedsko%2Fstudy-crate" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Medsko/study-crate on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Medsko/study-crate [INFO] finished tweaking git repo https://github.com/Medsko/study-crate [INFO] tweaked toml for git repo https://github.com/Medsko/study-crate written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/Medsko/study-crate already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65dd12b6af65e0353389d05af578664df218b67ba7440e9e63865a37329a25a1 [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" "65dd12b6af65e0353389d05af578664df218b67ba7440e9e63865a37329a25a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65dd12b6af65e0353389d05af578664df218b67ba7440e9e63865a37329a25a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65dd12b6af65e0353389d05af578664df218b67ba7440e9e63865a37329a25a1", kill_on_drop: false }` [INFO] [stdout] 65dd12b6af65e0353389d05af578664df218b67ba7440e9e63865a37329a25a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4d89a4ffb130a5ee5d703a86ffbc1f39b9b23443c79533064dc17e26859c80d [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" "b4d89a4ffb130a5ee5d703a86ffbc1f39b9b23443c79533064dc17e26859c80d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking study-crate v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `second_user` [INFO] [stdout] --> src/prepackages/structs.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let second_user = User { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_user` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `black` [INFO] [stdout] --> src/prepackages/structs.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let black = Color(0,0,0); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_black` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `origin` [INFO] [stdout] --> src/prepackages/structs.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let origin = Point(0,0,0); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `four` [INFO] [stdout] --> src/prepackages/enums/enums.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let four = IpAddrKind::V4; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hip` [INFO] [stdout] --> src/prepackages/enums/enums.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let hip = IpAddrKind::V6; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_hip` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/prepackages/enums/enums.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let loopback = IpAddr { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `concise_loopback` [INFO] [stdout] --> src/prepackages/enums/enums.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let concise_loopback = ConciseIpAddr::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_concise_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/prepackages/enums/enums.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let home = ConciseIpAddr::V4(127, 0, 0, 1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `yet_another_string` [INFO] [stdout] --> src/prepackages/ownership.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let yet_another_string = "Hi".to_string(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_yet_another_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `immutable_pointer` [INFO] [stdout] --> src/prepackages/ownership.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let immutable_pointer = &yet_another_string; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_immutable_pointer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `another_immutable_pointer` [INFO] [stdout] --> src/prepackages/ownership.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let another_immutable_pointer = &yet_another_string; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another_immutable_pointer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pointer` [INFO] [stdout] --> src/prepackages/ownership.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | let pointer = &mut yet_another_string; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pointer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `splice_first_four_chars` [INFO] [stdout] --> src/prepackages/ownership.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | let splice_first_four_chars = &s[0..4]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_splice_first_four_chars` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `splice_first_four_chars_also` [INFO] [stdout] --> src/prepackages/ownership.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | let splice_first_four_chars_also = &s[..4]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_splice_first_four_chars_also` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `splice_chars_from_fourth` [INFO] [stdout] --> src/prepackages/ownership.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | let splice_chars_from_fourth = &s[4..]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_splice_chars_from_fourth` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hello_file` [INFO] [stdout] --> src/exceptions.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let hello_file = match File::open("hello.txt") { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hello_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/exceptions.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | Err(error) => panic!("Could not read the current directory!") [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/collections/vectors.rs:35:39 [INFO] [stdout] | [INFO] [stdout] 35 | match counts.iter().max_by_key(|&(key, value)| value) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `second_user` [INFO] [stdout] --> src/prepackages/structs.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let second_user = User { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_user` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `black` [INFO] [stdout] --> src/prepackages/structs.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let black = Color(0,0,0); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_black` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `origin` [INFO] [stdout] --> src/prepackages/structs.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let origin = Point(0,0,0); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `four` [INFO] [stdout] --> src/prepackages/enums/enums.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let four = IpAddrKind::V4; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hip` [INFO] [stdout] --> src/prepackages/enums/enums.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let hip = IpAddrKind::V6; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_hip` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/prepackages/enums/enums.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let loopback = IpAddr { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `concise_loopback` [INFO] [stdout] --> src/prepackages/enums/enums.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let concise_loopback = ConciseIpAddr::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_concise_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/prepackages/enums/enums.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let home = ConciseIpAddr::V4(127, 0, 0, 1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `yet_another_string` [INFO] [stdout] --> src/prepackages/ownership.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let yet_another_string = "Hi".to_string(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_yet_another_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `immutable_pointer` [INFO] [stdout] --> src/prepackages/ownership.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let immutable_pointer = &yet_another_string; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_immutable_pointer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `another_immutable_pointer` [INFO] [stdout] --> src/prepackages/ownership.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let another_immutable_pointer = &yet_another_string; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another_immutable_pointer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pointer` [INFO] [stdout] --> src/prepackages/ownership.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | let pointer = &mut yet_another_string; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pointer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `splice_first_four_chars` [INFO] [stdout] --> src/prepackages/ownership.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | let splice_first_four_chars = &s[0..4]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_splice_first_four_chars` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `splice_first_four_chars_also` [INFO] [stdout] --> src/prepackages/ownership.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | let splice_first_four_chars_also = &s[..4]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_splice_first_four_chars_also` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `splice_chars_from_fourth` [INFO] [stdout] --> src/prepackages/ownership.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | let splice_chars_from_fourth = &s[4..]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_splice_chars_from_fourth` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hello_file` [INFO] [stdout] --> src/exceptions.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let hello_file = match File::open("hello.txt") { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hello_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/exceptions.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | Err(error) => panic!("Could not read the current directory!") [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/collections/vectors.rs:35:39 [INFO] [stdout] | [INFO] [stdout] 35 | match counts.iter().max_by_key(|&(key, value)| value) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `User` [INFO] [stdout] --> src/prepackages/structs.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Color` [INFO] [stdout] --> src/prepackages/structs.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct Color(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> src/prepackages/structs.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct Point(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_structs` [INFO] [stdout] --> src/prepackages/structs.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn first_structs() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `build_user` [INFO] [stdout] --> src/prepackages/structs.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn build_user(email: String, username1: String) -> User { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_square` [INFO] [stdout] --> src/prepackages/structs.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | fn is_square(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `transform_to_circle` [INFO] [stdout] --> src/prepackages/structs.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | fn transform_to_circle(self) -> Circle { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `can_hold` [INFO] [stdout] --> src/prepackages/structs.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 83 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `stretch` [INFO] [stdout] --> src/prepackages/structs.rs:87:8 [INFO] [stdout] | [INFO] [stdout] 87 | fn stretch(&mut self, add_height: u32, add_width: u32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> src/prepackages/enums/enums.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | Quit, // - geen velden (Unit struct) [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ChangeColor` [INFO] [stdout] --> src/prepackages/enums/enums.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | ChangeColor(i32, i32, i32), // - (idem) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alabama` [INFO] [stdout] --> src/prepackages/enums/matching.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Alabama, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> src/prepackages/enums/matching.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Oregon` [INFO] [stdout] --> src/prepackages/enums/matching.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Oregon, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Coin` [INFO] [stdout] --> src/prepackages/enums/matching.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 9 | enum Coin { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value_in_cents` [INFO] [stdout] --> src/prepackages/enums/matching.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | fn value_in_cents(&self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `plus_one` [INFO] [stdout] --> src/prepackages/enums/matching.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn plus_one(x: Option) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `slice_first_word` [INFO] [stdout] --> src/prepackages/ownership.rs:121:4 [INFO] [stdout] | [INFO] [stdout] 121 | fn slice_first_word(s: &String) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_word` [INFO] [stdout] --> src/prepackages/ownership.rs:137:4 [INFO] [stdout] | [INFO] [stdout] 137 | fn first_word(s: &String) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `User` [INFO] [stdout] --> src/prepackages/structs.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Color` [INFO] [stdout] --> src/prepackages/structs.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct Color(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> src/prepackages/structs.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct Point(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_structs` [INFO] [stdout] --> src/prepackages/structs.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn first_structs() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `build_user` [INFO] [stdout] --> src/prepackages/structs.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn build_user(email: String, username1: String) -> User { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_square` [INFO] [stdout] --> src/prepackages/structs.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | fn is_square(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `transform_to_circle` [INFO] [stdout] --> src/prepackages/structs.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | fn transform_to_circle(self) -> Circle { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `can_hold` [INFO] [stdout] --> src/prepackages/structs.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 83 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `stretch` [INFO] [stdout] --> src/prepackages/structs.rs:87:8 [INFO] [stdout] | [INFO] [stdout] 87 | fn stretch(&mut self, add_height: u32, add_width: u32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> src/prepackages/enums/enums.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | Quit, // - geen velden (Unit struct) [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ChangeColor` [INFO] [stdout] --> src/prepackages/enums/enums.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | ChangeColor(i32, i32, i32), // - (idem) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alabama` [INFO] [stdout] --> src/prepackages/enums/matching.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Alabama, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> src/prepackages/enums/matching.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Oregon` [INFO] [stdout] --> src/prepackages/enums/matching.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Oregon, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Coin` [INFO] [stdout] --> src/prepackages/enums/matching.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 9 | enum Coin { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value_in_cents` [INFO] [stdout] --> src/prepackages/enums/matching.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | fn value_in_cents(&self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `plus_one` [INFO] [stdout] --> src/prepackages/enums/matching.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn plus_one(x: Option) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `slice_first_word` [INFO] [stdout] --> src/prepackages/ownership.rs:121:4 [INFO] [stdout] | [INFO] [stdout] 121 | fn slice_first_word(s: &String) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_word` [INFO] [stdout] --> src/prepackages/ownership.rs:137:4 [INFO] [stdout] | [INFO] [stdout] 137 | fn first_word(s: &String) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 37 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 37 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.39s [INFO] running `Command { std: "docker" "inspect" "b4d89a4ffb130a5ee5d703a86ffbc1f39b9b23443c79533064dc17e26859c80d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4d89a4ffb130a5ee5d703a86ffbc1f39b9b23443c79533064dc17e26859c80d", kill_on_drop: false }` [INFO] [stdout] b4d89a4ffb130a5ee5d703a86ffbc1f39b9b23443c79533064dc17e26859c80d