[INFO] fetching crate rudabai 2.0.4... [INFO] checking rudabai-2.0.4 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate rudabai 2.0.4 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rudabai 2.0.4 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 162224dca2849d688a340bfb579f3c3cf9026d674dbb0e4abd42c102f8d045b5 [INFO] running `Command { std: "docker" "start" "-a" "162224dca2849d688a340bfb579f3c3cf9026d674dbb0e4abd42c102f8d045b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "162224dca2849d688a340bfb579f3c3cf9026d674dbb0e4abd42c102f8d045b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "162224dca2849d688a340bfb579f3c3cf9026d674dbb0e4abd42c102f8d045b5", kill_on_drop: false }` [INFO] [stdout] 162224dca2849d688a340bfb579f3c3cf9026d674dbb0e4abd42c102f8d045b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48e46fc640649426ecd4325a26e328a2b32a92eea284621207a2557baa88ee72 [INFO] running `Command { std: "docker" "start" "-a" "48e46fc640649426ecd4325a26e328a2b32a92eea284621207a2557baa88ee72", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking rudabai v2.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `user_exists` [INFO] [stdout] --> src/main.rs:47:13 [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] = note: `#[warn(unused_variables)]` on by default [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{ [INFO] [stdout] | ^^^^^^^^ unused variable [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] help: string interpolation only works in `format!` invocations [INFO] [stdout] | [INFO] [stdout] 46 | let user_file = File::open(format!("{username}.txt")); [INFO] [stdout] | ++++++++ + [INFO] [stdout] help: string interpolation only works in `format!` invocations [INFO] [stdout] | [INFO] [stdout] 62 | ErrorKind::NotFound => match File::create(format!("{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{ [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{ [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password` [INFO] [stdout] [INFO] [stdout] [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)]` 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: 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{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user_exists` [INFO] [stdout] --> src/main.rs:47:13 [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] = note: `#[warn(unused_variables)]` on by default [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{ [INFO] [stdout] | ^^^^^^^^ unused variable [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] help: string interpolation only works in `format!` invocations [INFO] [stdout] | [INFO] [stdout] 46 | let user_file = File::open(format!("{username}.txt")); [INFO] [stdout] | ++++++++ + [INFO] [stdout] help: string interpolation only works in `format!` invocations [INFO] [stdout] | [INFO] [stdout] 62 | ErrorKind::NotFound => match File::create(format!("{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{ [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{ [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password` [INFO] [stdout] [INFO] [stdout] [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)]` 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: 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{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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)]` 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{ [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `my_username` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` 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)]` 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{ [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `my_username` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "48e46fc640649426ecd4325a26e328a2b32a92eea284621207a2557baa88ee72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48e46fc640649426ecd4325a26e328a2b32a92eea284621207a2557baa88ee72", kill_on_drop: false }` [INFO] [stdout] 48e46fc640649426ecd4325a26e328a2b32a92eea284621207a2557baa88ee72