[INFO] fetching crate rudabai 2.0.4...
[INFO] testing rudabai-2.0.4 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate rudabai 2.0.4 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rudabai 2.0.4
[INFO] finished tweaking crates.io crate rudabai 2.0.4
[INFO] tweaked toml for crates.io crate rudabai 2.0.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rudabai 2.0.4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rudabai 2.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9db24c125c77e8e8a0781e682e7d45d60c3508958a1b75c1998f063435ab5a61
[INFO] running `Command { std: "docker" "start" "-a" "9db24c125c77e8e8a0781e682e7d45d60c3508958a1b75c1998f063435ab5a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9db24c125c77e8e8a0781e682e7d45d60c3508958a1b75c1998f063435ab5a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db24c125c77e8e8a0781e682e7d45d60c3508958a1b75c1998f063435ab5a61", kill_on_drop: false }`
[INFO] [stdout] 9db24c125c77e8e8a0781e682e7d45d60c3508958a1b75c1998f063435ab5a61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ce268a1ca445e9164fdbced4ff2aa134409bad35e0fdaf6197546c997f19e2d
[INFO] running `Command { std: "docker" "start" "-a" "3ce268a1ca445e9164fdbced4ff2aa134409bad35e0fdaf6197546c997f19e2d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rudabai v2.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut user_exists = "username already in use";
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut user_file_content : &mut String = &mut"".to_string(); // : &str= "username";
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `username`
[INFO] [stdout]   --> src/main.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn register_new_user(username: String, password: String) -> Result<usize, io::Error>{
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout] 46 |     let user_file = File::open("{username}.txt");
[INFO] [stdout]    |                     ---------------------------- you might have meant to use string interpolation in this string literal
[INFO] [stdout] ...
[INFO] [stdout] 62 |             ErrorKind::NotFound => match File::create("{username}.txt"){
[INFO] [stdout]    |                                          ------------------------------ you might have meant to use string interpolation in this string literal
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: string interpolation only works in `format!` invocations
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let user_file = format!(File::open("{username}.txt"));
[INFO] [stdout]    |                     ++++++++                            +
[INFO] [stdout] help: string interpolation only works in `format!` invocations
[INFO] [stdout]    |
[INFO] [stdout] 62 |             ErrorKind::NotFound => match format!(File::create("{username}.txt")){
[INFO] [stdout]    |                                          ++++++++                              +
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn register_new_user(_username: String, password: String) -> Result<usize, io::Error>{
[INFO] [stdout]    |                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `password`
[INFO] [stdout]   --> src/main.rs:45:40
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn register_new_user(username: String, password: String) -> Result<usize, io::Error>{
[INFO] [stdout]    |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_exists`
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut user_exists = "username already in use";
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_exists`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `register_new_user` is never used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn register_new_user(username: String, password: String) -> Result<usize, io::Error>{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     check_password(username);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let _ = check_password(username);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `myUsername` should have a snake case name
[INFO] [stdout]   --> src/main.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn check_password(myUsername: String) -> Result<String, io::Error>{
[INFO] [stdout]    |                   ^^^^^^^^^^ help: convert the identifier to snake case: `my_username`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "3ce268a1ca445e9164fdbced4ff2aa134409bad35e0fdaf6197546c997f19e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce268a1ca445e9164fdbced4ff2aa134409bad35e0fdaf6197546c997f19e2d", kill_on_drop: false }`
[INFO] [stdout] 3ce268a1ca445e9164fdbced4ff2aa134409bad35e0fdaf6197546c997f19e2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c45f73ed306c715d81de5f2516124c421126fafaec0010a487625d6e1c60cbe0
[INFO] running `Command { std: "docker" "start" "-a" "c45f73ed306c715d81de5f2516124c421126fafaec0010a487625d6e1c60cbe0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rudabai v2.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut user_exists = "username already in use";
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut user_file_content : &mut String = &mut"".to_string(); // : &str= "username";
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `username`
[INFO] [stdout]   --> src/main.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn register_new_user(username: String, password: String) -> Result<usize, io::Error>{
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout] 46 |     let user_file = File::open("{username}.txt");
[INFO] [stdout]    |                     ---------------------------- you might have meant to use string interpolation in this string literal
[INFO] [stdout] ...
[INFO] [stdout] 62 |             ErrorKind::NotFound => match File::create("{username}.txt"){
[INFO] [stdout]    |                                          ------------------------------ you might have meant to use string interpolation in this string literal
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: string interpolation only works in `format!` invocations
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let user_file = format!(File::open("{username}.txt"));
[INFO] [stdout]    |                     ++++++++                            +
[INFO] [stdout] help: string interpolation only works in `format!` invocations
[INFO] [stdout]    |
[INFO] [stdout] 62 |             ErrorKind::NotFound => match format!(File::create("{username}.txt")){
[INFO] [stdout]    |                                          ++++++++                              +
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn register_new_user(_username: String, password: String) -> Result<usize, io::Error>{
[INFO] [stdout]    |                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `password`
[INFO] [stdout]   --> src/main.rs:45:40
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn register_new_user(username: String, password: String) -> Result<usize, io::Error>{
[INFO] [stdout]    |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_exists`
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut user_exists = "username already in use";
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_exists`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `register_new_user` is never used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn register_new_user(username: String, password: String) -> Result<usize, io::Error>{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     check_password(username);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let _ = check_password(username);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `myUsername` should have a snake case name
[INFO] [stdout]   --> src/main.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn check_password(myUsername: String) -> Result<String, io::Error>{
[INFO] [stdout]    |                   ^^^^^^^^^^ help: convert the identifier to snake case: `my_username`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "c45f73ed306c715d81de5f2516124c421126fafaec0010a487625d6e1c60cbe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45f73ed306c715d81de5f2516124c421126fafaec0010a487625d6e1c60cbe0", kill_on_drop: false }`
[INFO] [stdout] c45f73ed306c715d81de5f2516124c421126fafaec0010a487625d6e1c60cbe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f49c0f6b3b45bd7ba124c73b0d372eb610595fad031889ce31bafdfb9343a6c7
[INFO] running `Command { std: "docker" "start" "-a" "f49c0f6b3b45bd7ba124c73b0d372eb610595fad031889ce31bafdfb9343a6c7", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut user_exists = "username already in use";
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let mut user_file_content : &mut String = &mut"".to_string(); // : &str= "username";
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `username`
[INFO] [stderr]   --> src/main.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn register_new_user(username: String, password: String) -> Result<usize, io::Error>{
[INFO] [stderr]    |                      ^^^^^^^^
[INFO] [stderr] 46 |     let user_file = File::open("{username}.txt");
[INFO] [stderr]    |                     ---------------------------- you might have meant to use string interpolation in this string literal
[INFO] [stderr] ...
[INFO] [stderr] 62 |             ErrorKind::NotFound => match File::create("{username}.txt"){
[INFO] [stderr]    |                                          ------------------------------ you might have meant to use string interpolation in this string literal
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: string interpolation only works in `format!` invocations
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let user_file = format!(File::open("{username}.txt"));
[INFO] [stderr]    |                     ++++++++                            +
[INFO] [stderr] help: string interpolation only works in `format!` invocations
[INFO] [stderr]    |
[INFO] [stderr] 62 |             ErrorKind::NotFound => match format!(File::create("{username}.txt")){
[INFO] [stderr]    |                                          ++++++++                              +
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn register_new_user(_username: String, password: String) -> Result<usize, io::Error>{
[INFO] [stderr]    |                      +
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `password`
[INFO] [stderr]   --> src/main.rs:45:40
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn register_new_user(username: String, password: String) -> Result<usize, io::Error>{
[INFO] [stderr]    |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user_exists`
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut user_exists = "username already in use";
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_exists`
[INFO] [stderr] 
[INFO] [stderr] warning: function `register_new_user` is never used
[INFO] [stderr]   --> src/main.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn register_new_user(username: String, password: String) -> Result<usize, io::Error>{
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     check_password(username);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let _ = check_password(username);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `myUsername` should have a snake case name
[INFO] [stderr]   --> src/main.rs:30:19
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn check_password(myUsername: String) -> Result<String, io::Error>{
[INFO] [stderr]    |                   ^^^^^^^^^^ help: convert the identifier to snake case: `my_username`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rudabai` (bin "rudabai" test) generated 8 warnings (run `cargo fix --bin "rudabai" -p rudabai --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rudabai-5a44c301b9b3869e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f49c0f6b3b45bd7ba124c73b0d372eb610595fad031889ce31bafdfb9343a6c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49c0f6b3b45bd7ba124c73b0d372eb610595fad031889ce31bafdfb9343a6c7", kill_on_drop: false }`
[INFO] [stdout] f49c0f6b3b45bd7ba124c73b0d372eb610595fad031889ce31bafdfb9343a6c7
