[INFO] cloning repository https://github.com/danielc92/learning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielc92/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielc92%2Flearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielc92%2Flearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23ccfc34e5883ee77ec11f69c2f608412fb6bcd5 [INFO] testing danielc92/learning-rust against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielc92%2Flearning-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danielc92/learning-rust 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/danielc92/learning-rust [INFO] finished tweaking git repo https://github.com/danielc92/learning-rust [INFO] tweaked toml for git repo https://github.com/danielc92/learning-rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/danielc92/learning-rust 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] Downloading crates ... [INFO] [stderr] Downloaded ring v0.16.14 [INFO] [stderr] Downloaded jsonwebtoken v7.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 81150f23fa1e104b35d1eebf68ce2411fb4878aa2965611136994a769221c5ea [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" "81150f23fa1e104b35d1eebf68ce2411fb4878aa2965611136994a769221c5ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81150f23fa1e104b35d1eebf68ce2411fb4878aa2965611136994a769221c5ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81150f23fa1e104b35d1eebf68ce2411fb4878aa2965611136994a769221c5ea", kill_on_drop: false }` [INFO] [stdout] 81150f23fa1e104b35d1eebf68ce2411fb4878aa2965611136994a769221c5ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 283392637e9131a8871038bd1b14a8ede3f41e07cd386f7f03d27b5cc3e5c455 [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" "283392637e9131a8871038bd1b14a8ede3f41e07cd386f7f03d27b5cc3e5c455", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling arc-swap v0.4.7 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling serde v1.0.111 [INFO] [stderr] Compiling openssl v0.10.29 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling tinyvec v0.3.3 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling serde_json v1.0.55 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Compiling base64 v0.12.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling indexmap v1.4.0 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling ring v0.16.14 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Compiling pem v0.8.1 [INFO] [stderr] Compiling simple_asn1 v0.4.0 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.111 [INFO] [stderr] Compiling tokio v0.2.21 [INFO] [stderr] Compiling pin-project v0.4.22 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tokio-tls v0.3.1 [INFO] [stderr] Compiling h2 v0.2.5 [INFO] [stderr] Compiling hyper v0.13.6 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling jsonwebtoken v7.1.1 [INFO] [stderr] Compiling hyper-tls v0.4.1 [INFO] [stderr] Compiling reqwest v0.10.6 [INFO] [stderr] Compiling learning-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `is_watching` [INFO] [stdout] --> src/bool_stuff.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let is_watching: bool = false; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_watching` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/stdin_stuff.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | Ok(x) => Ok(buffer.trim().to_string()), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/looping_stuff.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut my_array: [i32; 10] = [1, 123, 32, 4, 33, 5235, 4325, 345, 23, 3]; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `linear_search` [INFO] [stdout] --> src/algorithm_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn linear_search(sample: &[usize; 10], target: &usize) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `binary_search` [INFO] [stdout] --> src/algorithm_stuff.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn binary_search(sample: &[usize; 10], target: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `userId` [INFO] [stdout] --> src/api_stuff.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | userId: i32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/api_stuff.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/api_stuff.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | id: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/api_stuff.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `title` [INFO] [stdout] --> src/api_stuff.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | title: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/api_stuff.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `completed` [INFO] [stdout] --> src/api_stuff.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | completed: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/api_stuff.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_todos` [INFO] [stdout] --> src/api_stuff.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | pub async fn get_todos() -> Result, Error> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `try_it_out` [INFO] [stdout] --> src/array_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn try_it_out() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `try_it_out` [INFO] [stdout] --> src/bool_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn try_it_out() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/datetime_stuff.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Direction` [INFO] [stdout] --> src/enum_stuff.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum Direction { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `display_dir` [INFO] [stdout] --> src/enum_stuff.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn display_dir() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `file_read_to_succeed` [INFO] [stdout] --> src/error_handling.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn file_read_to_succeed() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `file_read_to_fail` [INFO] [stdout] --> src/error_handling.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn file_read_to_fail() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `area_of_square` [INFO] [stdout] --> src/function_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn area_of_square(length: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sum_array_nums` [INFO] [stdout] --> src/function_stuff.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn sum_array_nums(arr: &[i32]) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `loop_until` [INFO] [stdout] --> src/function_stuff.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn loop_until(number: i32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `match_student` [INFO] [stdout] --> src/function_stuff.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn match_student(grade: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `if_elsing` [INFO] [stdout] --> src/function_stuff.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn if_elsing(name: &String) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `loop_with_break` [INFO] [stdout] --> src/looping_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn loop_with_break() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `loop_array_with_an_index` [INFO] [stdout] --> src/looping_stuff.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn loop_array_with_an_index() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `while_with_break` [INFO] [stdout] --> src/looping_stuff.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn while_with_break() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `validate_name` [INFO] [stdout] --> src/some_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn validate_name(name: &String) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `validate_number` [INFO] [stdout] --> src/some_stuff.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn validate_number(number: &i32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_to_option` [INFO] [stdout] --> src/some_stuff.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn add_to_option(x: Option) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `return_enrolled` [INFO] [stdout] --> src/some_stuff.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn return_enrolled(name: &str) -> Option<&str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_input` [INFO] [stdout] --> src/stdin_stuff.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn get_input(q: &str) -> io::Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `a_task` [INFO] [stdout] --> src/struct_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn a_task() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `a_coord` [INFO] [stdout] --> src/struct_stuff.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn a_coord() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `a_basket` [INFO] [stdout] --> src/struct_stuff.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn a_basket() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `try_it_out` [INFO] [stdout] --> src/token_stuff.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn try_it_out() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `try_it_out` [INFO] [stdout] --> src/variable_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn try_it_out() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `userId` should have a snake case name [INFO] [stdout] --> src/api_stuff.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | userId: i32, [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `user_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 36 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 21s [INFO] running `Command { std: "docker" "inspect" "283392637e9131a8871038bd1b14a8ede3f41e07cd386f7f03d27b5cc3e5c455", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "283392637e9131a8871038bd1b14a8ede3f41e07cd386f7f03d27b5cc3e5c455", kill_on_drop: false }` [INFO] [stdout] 283392637e9131a8871038bd1b14a8ede3f41e07cd386f7f03d27b5cc3e5c455 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fee3db3dbd4ee89698802d6a5bc282f5fe2f0b9ee6276b46052de8948f10660f [INFO] running `Command { std: "docker" "start" "-a" "fee3db3dbd4ee89698802d6a5bc282f5fe2f0b9ee6276b46052de8948f10660f", kill_on_drop: false }` [INFO] [stderr] Compiling learning-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `is_watching` [INFO] [stdout] --> src/bool_stuff.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let is_watching: bool = false; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_watching` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/stdin_stuff.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | Ok(x) => Ok(buffer.trim().to_string()), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/looping_stuff.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut my_array: [i32; 10] = [1, 123, 32, 4, 33, 5235, 4325, 345, 23, 3]; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `linear_search` [INFO] [stdout] --> src/algorithm_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn linear_search(sample: &[usize; 10], target: &usize) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `binary_search` [INFO] [stdout] --> src/algorithm_stuff.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn binary_search(sample: &[usize; 10], target: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `userId` [INFO] [stdout] --> src/api_stuff.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | userId: i32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/api_stuff.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/api_stuff.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | id: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/api_stuff.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `title` [INFO] [stdout] --> src/api_stuff.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | title: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/api_stuff.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `completed` [INFO] [stdout] --> src/api_stuff.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | completed: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/api_stuff.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_todos` [INFO] [stdout] --> src/api_stuff.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | pub async fn get_todos() -> Result, Error> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `try_it_out` [INFO] [stdout] --> src/array_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn try_it_out() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `try_it_out` [INFO] [stdout] --> src/bool_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn try_it_out() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/datetime_stuff.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Direction` [INFO] [stdout] --> src/enum_stuff.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum Direction { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `display_dir` [INFO] [stdout] --> src/enum_stuff.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn display_dir() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `file_read_to_succeed` [INFO] [stdout] --> src/error_handling.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn file_read_to_succeed() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `file_read_to_fail` [INFO] [stdout] --> src/error_handling.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn file_read_to_fail() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `area_of_square` [INFO] [stdout] --> src/function_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn area_of_square(length: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sum_array_nums` [INFO] [stdout] --> src/function_stuff.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn sum_array_nums(arr: &[i32]) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `loop_until` [INFO] [stdout] --> src/function_stuff.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn loop_until(number: i32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `match_student` [INFO] [stdout] --> src/function_stuff.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn match_student(grade: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `if_elsing` [INFO] [stdout] --> src/function_stuff.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn if_elsing(name: &String) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `loop_with_break` [INFO] [stdout] --> src/looping_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn loop_with_break() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `loop_array_with_an_index` [INFO] [stdout] --> src/looping_stuff.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn loop_array_with_an_index() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `while_with_break` [INFO] [stdout] --> src/looping_stuff.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn while_with_break() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `validate_name` [INFO] [stdout] --> src/some_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn validate_name(name: &String) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `validate_number` [INFO] [stdout] --> src/some_stuff.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn validate_number(number: &i32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_to_option` [INFO] [stdout] --> src/some_stuff.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn add_to_option(x: Option) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `return_enrolled` [INFO] [stdout] --> src/some_stuff.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn return_enrolled(name: &str) -> Option<&str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_input` [INFO] [stdout] --> src/stdin_stuff.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn get_input(q: &str) -> io::Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `a_task` [INFO] [stdout] --> src/struct_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn a_task() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `a_coord` [INFO] [stdout] --> src/struct_stuff.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn a_coord() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `a_basket` [INFO] [stdout] --> src/struct_stuff.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn a_basket() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `try_it_out` [INFO] [stdout] --> src/token_stuff.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn try_it_out() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `try_it_out` [INFO] [stdout] --> src/variable_stuff.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn try_it_out() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `userId` should have a snake case name [INFO] [stdout] --> src/api_stuff.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | userId: i32, [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `user_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 36 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.65s [INFO] running `Command { std: "docker" "inspect" "fee3db3dbd4ee89698802d6a5bc282f5fe2f0b9ee6276b46052de8948f10660f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fee3db3dbd4ee89698802d6a5bc282f5fe2f0b9ee6276b46052de8948f10660f", kill_on_drop: false }` [INFO] [stdout] fee3db3dbd4ee89698802d6a5bc282f5fe2f0b9ee6276b46052de8948f10660f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ad2f20ce232abcd4d552d6bd0399a5b0bae8cc9ae49968e9214b026fdda9ea51 [INFO] running `Command { std: "docker" "start" "-a" "ad2f20ce232abcd4d552d6bd0399a5b0bae8cc9ae49968e9214b026fdda9ea51", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `is_watching` [INFO] [stderr] --> src/bool_stuff.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let is_watching: bool = false; [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_watching` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/stdin_stuff.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | Ok(x) => Ok(buffer.trim().to_string()), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/looping_stuff.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut my_array: [i32; 10] = [1, 123, 32, 4, 33, 5235, 4325, 345, 23, 3]; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `linear_search` [INFO] [stderr] --> src/algorithm_stuff.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn linear_search(sample: &[usize; 10], target: &usize) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `binary_search` [INFO] [stderr] --> src/algorithm_stuff.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn binary_search(sample: &[usize; 10], target: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `userId` [INFO] [stderr] --> src/api_stuff.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | userId: i32, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/api_stuff.rs:13:23 [INFO] [stderr] | [INFO] [stderr] 13 | #[derive(Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/api_stuff.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | id: i32, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/api_stuff.rs:13:23 [INFO] [stderr] | [INFO] [stderr] 13 | #[derive(Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `title` [INFO] [stderr] --> src/api_stuff.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | title: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/api_stuff.rs:13:23 [INFO] [stderr] | [INFO] [stderr] 13 | #[derive(Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `completed` [INFO] [stderr] --> src/api_stuff.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | completed: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/api_stuff.rs:13:23 [INFO] [stderr] | [INFO] [stderr] 13 | #[derive(Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_todos` [INFO] [stderr] --> src/api_stuff.rs:21:14 [INFO] [stderr] | [INFO] [stderr] 21 | pub async fn get_todos() -> Result, Error> { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `try_it_out` [INFO] [stderr] --> src/array_stuff.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn try_it_out() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `try_it_out` [INFO] [stderr] --> src/bool_stuff.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn try_it_out() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/datetime_stuff.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Direction` [INFO] [stderr] --> src/enum_stuff.rs:1:6 [INFO] [stderr] | [INFO] [stderr] 1 | enum Direction { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `display_dir` [INFO] [stderr] --> src/enum_stuff.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn display_dir() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `file_read_to_succeed` [INFO] [stderr] --> src/error_handling.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn file_read_to_succeed() -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `file_read_to_fail` [INFO] [stderr] --> src/error_handling.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn file_read_to_fail() -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `area_of_square` [INFO] [stderr] --> src/function_stuff.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn area_of_square(length: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sum_array_nums` [INFO] [stderr] --> src/function_stuff.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn sum_array_nums(arr: &[i32]) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `loop_until` [INFO] [stderr] --> src/function_stuff.rs:21:8 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn loop_until(number: i32) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `match_student` [INFO] [stderr] --> src/function_stuff.rs:33:8 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn match_student(grade: u16) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `if_elsing` [INFO] [stderr] --> src/function_stuff.rs:42:8 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn if_elsing(name: &String) -> String { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `loop_with_break` [INFO] [stderr] --> src/looping_stuff.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn loop_with_break() { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `loop_array_with_an_index` [INFO] [stderr] --> src/looping_stuff.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn loop_array_with_an_index() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `while_with_break` [INFO] [stderr] --> src/looping_stuff.rs:21:8 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn while_with_break() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `validate_name` [INFO] [stderr] --> src/some_stuff.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn validate_name(name: &String) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `validate_number` [INFO] [stderr] --> src/some_stuff.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn validate_number(number: &i32) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_to_option` [INFO] [stderr] --> src/some_stuff.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn add_to_option(x: Option) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `return_enrolled` [INFO] [stderr] --> src/some_stuff.rs:33:4 [INFO] [stderr] | [INFO] [stderr] 33 | fn return_enrolled(name: &str) -> Option<&str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_input` [INFO] [stderr] --> src/stdin_stuff.rs:3:8 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] 3 | pub fn get_input(q: &str) -> io::Result { [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: function is never used: `a_task` [INFO] [stderr] --> src/struct_stuff.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn a_task() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `a_coord` [INFO] [stderr] --> src/struct_stuff.rs:27:8 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn a_coord() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `a_basket` [INFO] [stderr] --> src/struct_stuff.rs:44:8 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn a_basket() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `try_it_out` [INFO] [stderr] --> src/token_stuff.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn try_it_out() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `try_it_out` [INFO] [stderr] --> src/variable_stuff.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn try_it_out() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `userId` should have a snake case name [INFO] [stderr] --> src/api_stuff.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | userId: i32, [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `user_id` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `learning-rust` (bin "learning-rust" test) generated 36 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/learning_rust-ed23d025e9ad9f58) [INFO] running `Command { std: "docker" "inspect" "ad2f20ce232abcd4d552d6bd0399a5b0bae8cc9ae49968e9214b026fdda9ea51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad2f20ce232abcd4d552d6bd0399a5b0bae8cc9ae49968e9214b026fdda9ea51", kill_on_drop: false }` [INFO] [stdout] ad2f20ce232abcd4d552d6bd0399a5b0bae8cc9ae49968e9214b026fdda9ea51