[INFO] cloning repository https://github.com/kaojo/sudojo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaojo/sudojo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaojo%2Fsudojo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaojo%2Fsudojo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] adb8e9e8e6331231215574817f28e0db40b5b7a6 [INFO] testing kaojo/sudojo against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaojo%2Fsudojo" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kaojo/sudojo on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kaojo/sudojo [INFO] finished tweaking git repo https://github.com/kaojo/sudojo [INFO] tweaked toml for git repo https://github.com/kaojo/sudojo written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kaojo/sudojo 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7b5ed200465a7da7d78e35d324951a197799b87cc2ffda9c236bef3f2d08ad36 [INFO] running `Command { std: "docker" "start" "-a" "7b5ed200465a7da7d78e35d324951a197799b87cc2ffda9c236bef3f2d08ad36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b5ed200465a7da7d78e35d324951a197799b87cc2ffda9c236bef3f2d08ad36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b5ed200465a7da7d78e35d324951a197799b87cc2ffda9c236bef3f2d08ad36", kill_on_drop: false }` [INFO] [stdout] 7b5ed200465a7da7d78e35d324951a197799b87cc2ffda9c236bef3f2d08ad36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 297dfe84e0b7c25f64cbb5ef688b74cc36369a2ab6810ae8c763752c1f061920 [INFO] running `Command { std: "docker" "start" "-a" "297dfe84e0b7c25f64cbb5ef688b74cc36369a2ab6810ae8c763752c1f061920", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling sudojo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/cmdwrapper/mod.rs:13:25 [INFO] [stdout] | [INFO] [stdout] 13 | fn start(&mut self, &Option); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Option` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/cmdwrapper/mod.rs:31:17 [INFO] [stdout] | [INFO] [stdout] 31 | &self.app.start(start_choice); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = &self.app.start(start_choice); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/cmdwrapper/mod.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | &self.app.start(&Some(choice)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = &self.app.start(&Some(choice)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/sudoku/mod.rs:59:40 [INFO] [stdout] | [INFO] [stdout] 59 | for &(x,y,value) in square_map.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 59 | for &(x,y,value) in square_map.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 59 - for &(x,y,value) in square_map.into_iter() { [INFO] [stdout] 59 + for &(x,y,value) in square_map { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/sudoku/mod.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | &self.init(); [INFO] [stdout] | ^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = &self.init(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | writeln!(f, "Board"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | writeln!(f, "-------------------------"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:59:21 [INFO] [stdout] | [INFO] [stdout] 59 | write!(f, "| "); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | / write!( [INFO] [stdout] 62 | | f, [INFO] [stdout] 63 | | "{} ", [INFO] [stdout] 64 | | match self.get_square(&Coordinate::new(x, y)) [INFO] [stdout] ... | [INFO] [stdout] 71 | | ); [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | writeln!(f, "|"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (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 0.30s [INFO] running `Command { std: "docker" "inspect" "297dfe84e0b7c25f64cbb5ef688b74cc36369a2ab6810ae8c763752c1f061920", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "297dfe84e0b7c25f64cbb5ef688b74cc36369a2ab6810ae8c763752c1f061920", kill_on_drop: false }` [INFO] [stdout] 297dfe84e0b7c25f64cbb5ef688b74cc36369a2ab6810ae8c763752c1f061920 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 50acf57bfd5461fdd21c86dd8f0d8b69c60430b852e33945fa92f8352b01733b [INFO] running `Command { std: "docker" "start" "-a" "50acf57bfd5461fdd21c86dd8f0d8b69c60430b852e33945fa92f8352b01733b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/cmdwrapper/mod.rs:13:25 [INFO] [stdout] | [INFO] [stdout] 13 | fn start(&mut self, &Option); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Option` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/cmdwrapper/mod.rs:31:17 [INFO] [stdout] | [INFO] [stdout] 31 | &self.app.start(start_choice); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = &self.app.start(start_choice); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/cmdwrapper/mod.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | &self.app.start(&Some(choice)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = &self.app.start(&Some(choice)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sudojo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/sudoku/mod.rs:59:40 [INFO] [stdout] | [INFO] [stdout] 59 | for &(x,y,value) in square_map.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 59 | for &(x,y,value) in square_map.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 59 - for &(x,y,value) in square_map.into_iter() { [INFO] [stdout] 59 + for &(x,y,value) in square_map { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/sudoku/mod.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | &self.init(); [INFO] [stdout] | ^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = &self.init(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | writeln!(f, "Board"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | writeln!(f, "-------------------------"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:59:21 [INFO] [stdout] | [INFO] [stdout] 59 | write!(f, "| "); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | / write!( [INFO] [stdout] 62 | | f, [INFO] [stdout] 63 | | "{} ", [INFO] [stdout] 64 | | match self.get_square(&Coordinate::new(x, y)) [INFO] [stdout] ... | [INFO] [stdout] 71 | | ); [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | writeln!(f, "|"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/cmdwrapper/mod.rs:13:25 [INFO] [stdout] | [INFO] [stdout] 13 | fn start(&mut self, &Option); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Option` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/cmdwrapper/mod.rs:31:17 [INFO] [stdout] | [INFO] [stdout] 31 | &self.app.start(start_choice); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = &self.app.start(start_choice); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/cmdwrapper/mod.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | &self.app.start(&Some(choice)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = &self.app.start(&Some(choice)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/sudoku/mod.rs:59:40 [INFO] [stdout] | [INFO] [stdout] 59 | for &(x,y,value) in square_map.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 59 | for &(x,y,value) in square_map.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 59 - for &(x,y,value) in square_map.into_iter() { [INFO] [stdout] 59 + for &(x,y,value) in square_map { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/sudoku/mod.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | &self.init(); [INFO] [stdout] | ^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = &self.init(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | writeln!(f, "Board"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | writeln!(f, "-------------------------"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:59:21 [INFO] [stdout] | [INFO] [stdout] 59 | write!(f, "| "); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | / write!( [INFO] [stdout] 62 | | f, [INFO] [stdout] 63 | | "{} ", [INFO] [stdout] 64 | | match self.get_square(&Coordinate::new(x, y)) [INFO] [stdout] ... | [INFO] [stdout] 71 | | ); [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/game/board.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | writeln!(f, "|"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (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 0.22s [INFO] running `Command { std: "docker" "inspect" "50acf57bfd5461fdd21c86dd8f0d8b69c60430b852e33945fa92f8352b01733b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50acf57bfd5461fdd21c86dd8f0d8b69c60430b852e33945fa92f8352b01733b", kill_on_drop: false }` [INFO] [stdout] 50acf57bfd5461fdd21c86dd8f0d8b69c60430b852e33945fa92f8352b01733b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0b3ffcb9c972b23ab0ebc7d583e42175e339ed5513c25dd9eddf41d7a43439e3 [INFO] running `Command { std: "docker" "start" "-a" "0b3ffcb9c972b23ab0ebc7d583e42175e339ed5513c25dd9eddf41d7a43439e3", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/cmdwrapper/mod.rs:13:25 [INFO] [stderr] | [INFO] [stderr] 13 | fn start(&mut self, &Option); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Option` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/cmdwrapper/mod.rs:31:17 [INFO] [stderr] | [INFO] [stderr] 31 | &self.app.start(start_choice); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 31 | let _ = &self.app.start(start_choice); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/cmdwrapper/mod.rs:39:17 [INFO] [stderr] | [INFO] [stderr] 39 | &self.app.start(&Some(choice)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 39 | let _ = &self.app.start(&Some(choice)); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stderr] --> src/sudoku/mod.rs:59:40 [INFO] [stderr] | [INFO] [stderr] 59 | for &(x,y,value) in square_map.into_iter() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 59 | for &(x,y,value) in square_map.iter() { [INFO] [stderr] | ~~~~ [INFO] [stderr] help: or remove `.into_iter()` to iterate by value [INFO] [stderr] | [INFO] [stderr] 59 - for &(x,y,value) in square_map.into_iter() { [INFO] [stderr] 59 + for &(x,y,value) in square_map { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/sudoku/mod.rs:76:17 [INFO] [stderr] | [INFO] [stderr] 76 | &self.init(); [INFO] [stderr] | ^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 76 | let _ = &self.init(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | writeln!(f, "Board"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:55:17 [INFO] [stderr] | [INFO] [stderr] 55 | writeln!(f, "-------------------------"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:59:21 [INFO] [stderr] | [INFO] [stderr] 59 | write!(f, "| "); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | / write!( [INFO] [stderr] 62 | | f, [INFO] [stderr] 63 | | "{} ", [INFO] [stderr] 64 | | match self.get_square(&Coordinate::new(x, y)) [INFO] [stderr] ... | [INFO] [stderr] 71 | | ); [INFO] [stderr] | |_________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:73:13 [INFO] [stderr] | [INFO] [stderr] 73 | writeln!(f, "|"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `sudojo` (lib) generated 10 warnings (run `cargo fix --lib -p sudojo` to apply 2 suggestions) [INFO] [stderr] warning: `sudojo` (lib test) generated 10 warnings (10 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudojo-424aabe2e37642f8) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sudojo-1624db92a517ef4b) [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] [stderr] Doc-tests sudojo [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" "0b3ffcb9c972b23ab0ebc7d583e42175e339ed5513c25dd9eddf41d7a43439e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b3ffcb9c972b23ab0ebc7d583e42175e339ed5513c25dd9eddf41d7a43439e3", kill_on_drop: false }` [INFO] [stdout] 0b3ffcb9c972b23ab0ebc7d583e42175e339ed5513c25dd9eddf41d7a43439e3