[INFO] cloning repository https://github.com/rllullt/hello-world-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rllullt/hello-world-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frllullt%2Fhello-world-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frllullt%2Fhello-world-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 791f6ad8d0982210445a4759910685c29368a355 [INFO] testing rllullt/hello-world-rust against beta-2025-09-21 for beta-1.91-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frllullt%2Fhello-world-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rllullt/hello-world-rust [INFO] finished tweaking git repo https://github.com/rllullt/hello-world-rust [INFO] tweaked toml for git repo https://github.com/rllullt/hello-world-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rllullt/hello-world-rust on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rllullt/hello-world-rust 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a1360f3ed9be4beb54afc8260c6e2570b51f6096c30e0fa3241e737bf9e9e7f [INFO] running `Command { std: "docker" "start" "-a" "7a1360f3ed9be4beb54afc8260c6e2570b51f6096c30e0fa3241e737bf9e9e7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a1360f3ed9be4beb54afc8260c6e2570b51f6096c30e0fa3241e737bf9e9e7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a1360f3ed9be4beb54afc8260c6e2570b51f6096c30e0fa3241e737bf9e9e7f", kill_on_drop: false }` [INFO] [stdout] 7a1360f3ed9be4beb54afc8260c6e2570b51f6096c30e0fa3241e737bf9e9e7f [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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 897041d70cab8d253dcbe880d273194d527d4a923b38ceae352f07569a541f19 [INFO] running `Command { std: "docker" "start" "-a" "897041d70cab8d253dcbe880d273194d527d4a923b38ceae352f07569a541f19", kill_on_drop: false }` [INFO] [stderr] Compiling hello-world-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/structs_and_enums.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | fn add(a: Newtons, b: Newtons) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/structs_and_enums.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | fn add(a: Newtons, b: Newtons) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `height` is never read [INFO] [stdout] --> src/main.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut height = 190; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/structs_and_enums.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | struct Newtons(f64); [INFO] [stdout] | ------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Newtons` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `add` is never used [INFO] [stdout] --> src/structs_and_enums.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl Newtons { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 9 | fn add(a: Newtons, b: Newtons) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Right` is never constructed [INFO] [stdout] --> src/structs_and_enums.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 15 | enum Direction { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 16 | Left, [INFO] [stdout] 17 | Right, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Direction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/structs_and_enums.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | Run(Direction), // Tuple variant [INFO] [stdout] | --- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PlayerMove` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 22 - Run(Direction), // Tuple variant [INFO] [stdout] 22 + Run(()), // Tuple variant [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Pass` and `Teleport` are never constructed [INFO] [stdout] --> src/structs_and_enums.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | enum PlayerMove { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 21 | Pass, // Simple variant [INFO] [stdout] | ^^^^ [INFO] [stdout] 22 | Run(Direction), // Tuple variant [INFO] [stdout] 23 | Teleport { x: u32, y: u32 }, // Struct variant [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PlayerMove` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Operation` is never used [INFO] [stdout] --> src/expression_evaluation.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | enum Operation { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Expression` is never used [INFO] [stdout] --> src/expression_evaluation.rs:17:6 [INFO] [stdout] | [INFO] [stdout] 17 | enum Expression { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `eval` is never used [INFO] [stdout] --> src/expression_evaluation.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn eval(e: Expression) -> i64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `min` is never used [INFO] [stdout] --> src/generic_min.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn min(a: T, b: T) -> T [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/structs_and_enums.rs:30:49 [INFO] [stdout] | [INFO] [stdout] 30 | println!("- {}: {:#x}", stringify!($e), transmute::<_, $bit_type>($e)); [INFO] [stdout] | -------------------------^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u8::from` [INFO] [stdout] ... [INFO] [stdout] 87 | dbg_bits!(false, u8); [INFO] [stdout] | -------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] = note: this warning originates in the macro `dbg_bits` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/structs_and_enums.rs:30:49 [INFO] [stdout] | [INFO] [stdout] 30 | println!("- {}: {:#x}", stringify!($e), transmute::<_, $bit_type>($e)); [INFO] [stdout] | -------------------------^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u8::from` [INFO] [stdout] ... [INFO] [stdout] 88 | dbg_bits!(true, u8); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `dbg_bits` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "897041d70cab8d253dcbe880d273194d527d4a923b38ceae352f07569a541f19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "897041d70cab8d253dcbe880d273194d527d4a923b38ceae352f07569a541f19", kill_on_drop: false }` [INFO] [stdout] 897041d70cab8d253dcbe880d273194d527d4a923b38ceae352f07569a541f19 [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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d3a4ff9739301df52addc521c8298a5ea88e9a8b27cb729345f8225d75edbfa [INFO] running `Command { std: "docker" "start" "-a" "2d3a4ff9739301df52addc521c8298a5ea88e9a8b27cb729345f8225d75edbfa", kill_on_drop: false }` [INFO] [stderr] Compiling hello-world-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/structs_and_enums.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | fn add(a: Newtons, b: Newtons) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/structs_and_enums.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | fn add(a: Newtons, b: Newtons) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `height` is never read [INFO] [stdout] --> src/main.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut height = 190; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/structs_and_enums.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | struct Newtons(f64); [INFO] [stdout] | ------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Newtons` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `add` is never used [INFO] [stdout] --> src/structs_and_enums.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl Newtons { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 9 | fn add(a: Newtons, b: Newtons) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Right` is never constructed [INFO] [stdout] --> src/structs_and_enums.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 15 | enum Direction { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 16 | Left, [INFO] [stdout] 17 | Right, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Direction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/structs_and_enums.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | Run(Direction), // Tuple variant [INFO] [stdout] | --- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PlayerMove` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 22 - Run(Direction), // Tuple variant [INFO] [stdout] 22 + Run(()), // Tuple variant [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Pass` and `Teleport` are never constructed [INFO] [stdout] --> src/structs_and_enums.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | enum PlayerMove { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 21 | Pass, // Simple variant [INFO] [stdout] | ^^^^ [INFO] [stdout] 22 | Run(Direction), // Tuple variant [INFO] [stdout] 23 | Teleport { x: u32, y: u32 }, // Struct variant [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PlayerMove` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/structs_and_enums.rs:30:49 [INFO] [stdout] | [INFO] [stdout] 30 | println!("- {}: {:#x}", stringify!($e), transmute::<_, $bit_type>($e)); [INFO] [stdout] | -------------------------^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u8::from` [INFO] [stdout] ... [INFO] [stdout] 87 | dbg_bits!(false, u8); [INFO] [stdout] | -------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] = note: this warning originates in the macro `dbg_bits` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/structs_and_enums.rs:30:49 [INFO] [stdout] | [INFO] [stdout] 30 | println!("- {}: {:#x}", stringify!($e), transmute::<_, $bit_type>($e)); [INFO] [stdout] | -------------------------^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u8::from` [INFO] [stdout] ... [INFO] [stdout] 88 | dbg_bits!(true, u8); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `dbg_bits` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "2d3a4ff9739301df52addc521c8298a5ea88e9a8b27cb729345f8225d75edbfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d3a4ff9739301df52addc521c8298a5ea88e9a8b27cb729345f8225d75edbfa", kill_on_drop: false }` [INFO] [stdout] 2d3a4ff9739301df52addc521c8298a5ea88e9a8b27cb729345f8225d75edbfa [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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 072195ed15477d50a7c40dc68383649fc564e39f8aea0b9700e4c777dd9f03de [INFO] running `Command { std: "docker" "start" "-a" "072195ed15477d50a7c40dc68383649fc564e39f8aea0b9700e4c777dd9f03de", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/structs_and_enums.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | fn add(a: Newtons, b: Newtons) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/structs_and_enums.rs:9:24 [INFO] [stderr] | [INFO] [stderr] 9 | fn add(a: Newtons, b: Newtons) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `height` is never read [INFO] [stderr] --> src/main.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 19 | let mut height = 190; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/structs_and_enums.rs:7:16 [INFO] [stderr] | [INFO] [stderr] 7 | struct Newtons(f64); [INFO] [stderr] | ------- ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `Newtons` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `add` is never used [INFO] [stderr] --> src/structs_and_enums.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 8 | impl Newtons { [INFO] [stderr] | ------------ associated function in this implementation [INFO] [stderr] 9 | fn add(a: Newtons, b: Newtons) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant `Right` is never constructed [INFO] [stderr] --> src/structs_and_enums.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 15 | enum Direction { [INFO] [stderr] | --------- variant in this enum [INFO] [stderr] 16 | Left, [INFO] [stderr] 17 | Right, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Direction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/structs_and_enums.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | Run(Direction), // Tuple variant [INFO] [stderr] | --- ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `PlayerMove` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 22 - Run(Direction), // Tuple variant [INFO] [stderr] 22 + Run(()), // Tuple variant [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variants `Pass` and `Teleport` are never constructed [INFO] [stderr] --> src/structs_and_enums.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 20 | enum PlayerMove { [INFO] [stderr] | ---------- variants in this enum [INFO] [stderr] 21 | Pass, // Simple variant [INFO] [stderr] | ^^^^ [INFO] [stderr] 22 | Run(Direction), // Tuple variant [INFO] [stderr] 23 | Teleport { x: u32, y: u32 }, // Struct variant [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `PlayerMove` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: unnecessary transmute [INFO] [stderr] --> src/structs_and_enums.rs:30:49 [INFO] [stderr] | [INFO] [stderr] 30 | println!("- {}: {:#x}", stringify!($e), transmute::<_, $bit_type>($e)); [INFO] [stderr] | -------------------------^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: replace this with: `u8::from` [INFO] [stderr] ... [INFO] [stderr] 87 | dbg_bits!(false, u8); [INFO] [stderr] | -------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stderr] = note: this warning originates in the macro `dbg_bits` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unnecessary transmute [INFO] [stderr] --> src/structs_and_enums.rs:30:49 [INFO] [stderr] | [INFO] [stderr] 30 | println!("- {}: {:#x}", stringify!($e), transmute::<_, $bit_type>($e)); [INFO] [stderr] | -------------------------^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: replace this with: `u8::from` [INFO] [stderr] ... [INFO] [stderr] 88 | dbg_bits!(true, u8); [INFO] [stderr] | ------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `dbg_bits` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `hello-world-rust` (bin "hello-world-rust" test) generated 10 warnings (run `cargo fix --bin "hello-world-rust" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_world_rust-0e7623b154f28ea9) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test expression_evaluation::test_div ... ok [INFO] [stdout] test expression_evaluation::test_recursion ... ok [INFO] [stdout] test expression_evaluation::test_sum ... ok [INFO] [stdout] test expression_evaluation::test_zeros ... ok [INFO] [stdout] test generic_min::chars ... ok [INFO] [stdout] test generic_min::integers ... ok [INFO] [stdout] test generic_min::strings ... ok [INFO] [stdout] test expression_evaluation::test_value ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "072195ed15477d50a7c40dc68383649fc564e39f8aea0b9700e4c777dd9f03de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "072195ed15477d50a7c40dc68383649fc564e39f8aea0b9700e4c777dd9f03de", kill_on_drop: false }` [INFO] [stdout] 072195ed15477d50a7c40dc68383649fc564e39f8aea0b9700e4c777dd9f03de