[INFO] cloning repository https://github.com/aspedrosa/MineSweeper-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aspedrosa/MineSweeper-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faspedrosa%2FMineSweeper-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faspedrosa%2FMineSweeper-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b5ecbf89cb989bf7f91f79cdd162aa1337a5555d [INFO] testing aspedrosa/MineSweeper-rs against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faspedrosa%2FMineSweeper-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/aspedrosa/MineSweeper-rs [INFO] finished tweaking git repo https://github.com/aspedrosa/MineSweeper-rs [INFO] tweaked toml for git repo https://github.com/aspedrosa/MineSweeper-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/aspedrosa/MineSweeper-rs on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/aspedrosa/MineSweeper-rs 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_core v0.6.1 [INFO] [stderr] Downloaded wasi v0.10.1+wasi-snapshot-preview1 [INFO] [stderr] Downloaded itertools v0.10.0 [INFO] [stderr] Downloaded libc v0.2.82 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6f6e3e53bf888255f4264d1aa4866317f096d4c5e759cdca9f674f2166c040d [INFO] running `Command { std: "docker" "start" "-a" "b6f6e3e53bf888255f4264d1aa4866317f096d4c5e759cdca9f674f2166c040d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6f6e3e53bf888255f4264d1aa4866317f096d4c5e759cdca9f674f2166c040d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6f6e3e53bf888255f4264d1aa4866317f096d4c5e759cdca9f674f2166c040d", kill_on_drop: false }` [INFO] [stdout] b6f6e3e53bf888255f4264d1aa4866317f096d4c5e759cdca9f674f2166c040d [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 14216646c8a94bfb2e887e00fff9b819c9d8b5f94778aac9eb5dab4c07b6a335 [INFO] running `Command { std: "docker" "start" "-a" "14216646c8a94bfb2e887e00fff9b819c9d8b5f94778aac9eb5dab4c07b6a335", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling rand_core v0.6.1 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling mineswipper v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BorrowMut` and `Borrow` [INFO] [stdout] --> src/board.rs:11:19 [INFO] [stdout] | [INFO] [stdout] 11 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/input/plays.rs:104:5 [INFO] [stdout] | [INFO] [stdout] 104 | /// TODO return more specific error [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 105 | / if inputs.len() != 2 { [INFO] [stdout] 106 | | return Err(InvalidPlay {}); [INFO] [stdout] 107 | | } [INFO] [stdout] | |_____- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/input/plays.rs:124:5 [INFO] [stdout] | [INFO] [stdout] 124 | /// TODO return a more specific error [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 125 | / if inputs.len() != 3 { [INFO] [stdout] 126 | | return Err(InvalidPlay {}); [INFO] [stdout] 127 | | } [INFO] [stdout] | |_____- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/input/plays.rs:131:5 [INFO] [stdout] | [INFO] [stdout] 131 | /// TODO return a more specific error [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 132 | / let mode = match inputs[0] { [INFO] [stdout] 133 | | "u" => PlayMode::Unmark, [INFO] [stdout] 134 | | "m" => PlayMode::Mark, [INFO] [stdout] 135 | | "d" => PlayMode::Dig, [INFO] [stdout] 136 | | _ => return Err(InvalidPlay {}), [INFO] [stdout] 137 | | }; [INFO] [stdout] | |______- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `read_parameters` [INFO] [stdout] --> src/main.rs:17:31 [INFO] [stdout] | [INFO] [stdout] 17 | use crate::input::arguments::{read_parameters, Parameters}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/board.rs:254:13 [INFO] [stdout] | [INFO] [stdout] 254 | let mut cell = &mut self.board[play.0 as usize][play.1 as usize]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_parameters` is never used [INFO] [stdout] --> src/input/arguments.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn read_parameters() -> Parameters { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `EMPTY_CELLS` should have a snake case name [INFO] [stdout] --> src/board.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | let EMPTY_CELLS = 40; // TODO calculate this according to difficulty [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `empty_cells` [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/input/arguments.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | io::stdout().flush(); [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] 50 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/input/arguments.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | io::stdin().read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 51 | let _ = io::stdin().read_line(&mut input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/input/arguments.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/input/arguments.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | io::stdin().read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 60 | let _ = io::stdin().read_line(&mut input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/input/arguments.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/input/arguments.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | io::stdin().read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = io::stdin().read_line(&mut input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/input/plays.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/input/plays.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 77 | io::stdin().read_line(input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = io::stdin().read_line(input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.37s [INFO] running `Command { std: "docker" "inspect" "14216646c8a94bfb2e887e00fff9b819c9d8b5f94778aac9eb5dab4c07b6a335", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14216646c8a94bfb2e887e00fff9b819c9d8b5f94778aac9eb5dab4c07b6a335", kill_on_drop: false }` [INFO] [stdout] 14216646c8a94bfb2e887e00fff9b819c9d8b5f94778aac9eb5dab4c07b6a335 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] b170ce68a3478267b395f72ca431f9980b1f201e665a2021aabf7a43441fb8f4 [INFO] running `Command { std: "docker" "start" "-a" "b170ce68a3478267b395f72ca431f9980b1f201e665a2021aabf7a43441fb8f4", kill_on_drop: false }` [INFO] [stderr] Compiling mineswipper v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BorrowMut` and `Borrow` [INFO] [stdout] --> src/board.rs:11:19 [INFO] [stdout] | [INFO] [stdout] 11 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/input/plays.rs:104:5 [INFO] [stdout] | [INFO] [stdout] 104 | /// TODO return more specific error [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 105 | / if inputs.len() != 2 { [INFO] [stdout] 106 | | return Err(InvalidPlay {}); [INFO] [stdout] 107 | | } [INFO] [stdout] | |_____- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/input/plays.rs:124:5 [INFO] [stdout] | [INFO] [stdout] 124 | /// TODO return a more specific error [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 125 | / if inputs.len() != 3 { [INFO] [stdout] 126 | | return Err(InvalidPlay {}); [INFO] [stdout] 127 | | } [INFO] [stdout] | |_____- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/input/plays.rs:131:5 [INFO] [stdout] | [INFO] [stdout] 131 | /// TODO return a more specific error [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 132 | / let mode = match inputs[0] { [INFO] [stdout] 133 | | "u" => PlayMode::Unmark, [INFO] [stdout] 134 | | "m" => PlayMode::Mark, [INFO] [stdout] 135 | | "d" => PlayMode::Dig, [INFO] [stdout] 136 | | _ => return Err(InvalidPlay {}), [INFO] [stdout] 137 | | }; [INFO] [stdout] | |______- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `read_parameters` [INFO] [stdout] --> src/main.rs:17:31 [INFO] [stdout] | [INFO] [stdout] 17 | use crate::input::arguments::{read_parameters, Parameters}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/board.rs:254:13 [INFO] [stdout] | [INFO] [stdout] 254 | let mut cell = &mut self.board[play.0 as usize][play.1 as usize]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_parameters` is never used [INFO] [stdout] --> src/input/arguments.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn read_parameters() -> Parameters { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `EMPTY_CELLS` should have a snake case name [INFO] [stdout] --> src/board.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | let EMPTY_CELLS = 40; // TODO calculate this according to difficulty [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `empty_cells` [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/input/arguments.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | io::stdout().flush(); [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] 50 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/input/arguments.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | io::stdin().read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 51 | let _ = io::stdin().read_line(&mut input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/input/arguments.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/input/arguments.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | io::stdin().read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 60 | let _ = io::stdin().read_line(&mut input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/input/arguments.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/input/arguments.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | io::stdin().read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = io::stdin().read_line(&mut input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/input/plays.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/input/plays.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 77 | io::stdin().read_line(input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = io::stdin().read_line(input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "b170ce68a3478267b395f72ca431f9980b1f201e665a2021aabf7a43441fb8f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b170ce68a3478267b395f72ca431f9980b1f201e665a2021aabf7a43441fb8f4", kill_on_drop: false }` [INFO] [stdout] b170ce68a3478267b395f72ca431f9980b1f201e665a2021aabf7a43441fb8f4 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] a17b74ee7ef6c8c9712bd60d121a47fc6254f421d06a9f2f055b93e91d04e7c8 [INFO] running `Command { std: "docker" "start" "-a" "a17b74ee7ef6c8c9712bd60d121a47fc6254f421d06a9f2f055b93e91d04e7c8", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `BorrowMut` and `Borrow` [INFO] [stderr] --> src/board.rs:11:19 [INFO] [stderr] | [INFO] [stderr] 11 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/input/plays.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | /// TODO return more specific error [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 105 | / if inputs.len() != 2 { [INFO] [stderr] 106 | | return Err(InvalidPlay {}); [INFO] [stderr] 107 | | } [INFO] [stderr] | |_____- rustdoc does not generate documentation for expressions [INFO] [stderr] | [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/input/plays.rs:124:5 [INFO] [stderr] | [INFO] [stderr] 124 | /// TODO return a more specific error [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 125 | / if inputs.len() != 3 { [INFO] [stderr] 126 | | return Err(InvalidPlay {}); [INFO] [stderr] 127 | | } [INFO] [stderr] | |_____- rustdoc does not generate documentation for expressions [INFO] [stderr] | [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/input/plays.rs:131:5 [INFO] [stderr] | [INFO] [stderr] 131 | /// TODO return a more specific error [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 132 | / let mode = match inputs[0] { [INFO] [stderr] 133 | | "u" => PlayMode::Unmark, [INFO] [stderr] 134 | | "m" => PlayMode::Mark, [INFO] [stderr] 135 | | "d" => PlayMode::Dig, [INFO] [stderr] 136 | | _ => return Err(InvalidPlay {}), [INFO] [stderr] 137 | | }; [INFO] [stderr] | |______- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: unused import: `read_parameters` [INFO] [stderr] --> src/main.rs:17:31 [INFO] [stderr] | [INFO] [stderr] 17 | use crate::input::arguments::{read_parameters, Parameters}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/board.rs:254:13 [INFO] [stderr] | [INFO] [stderr] 254 | let mut cell = &mut self.board[play.0 as usize][play.1 as usize]; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `read_parameters` is never used [INFO] [stderr] --> src/input/arguments.rs:47:8 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn read_parameters() -> Parameters { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `EMPTY_CELLS` should have a snake case name [INFO] [stderr] --> src/board.rs:148:13 [INFO] [stderr] | [INFO] [stderr] 148 | let EMPTY_CELLS = 40; // TODO calculate this according to difficulty [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `empty_cells` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/input/arguments.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | io::stdout().flush(); [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)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 50 | let _ = io::stdout().flush(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/input/arguments.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | io::stdin().read_line(&mut input); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 51 | let _ = io::stdin().read_line(&mut input); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/input/arguments.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 58 | let _ = io::stdout().flush(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/input/arguments.rs:60:5 [INFO] [stderr] | [INFO] [stderr] 60 | io::stdin().read_line(&mut input); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 60 | let _ = io::stdin().read_line(&mut input); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/input/arguments.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 67 | let _ = io::stdout().flush(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/input/arguments.rs:69:5 [INFO] [stderr] | [INFO] [stderr] 69 | io::stdin().read_line(&mut input); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 69 | let _ = io::stdin().read_line(&mut input); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/input/plays.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 76 | let _ = io::stdout().flush(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/input/plays.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | io::stdin().read_line(input); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 77 | let _ = io::stdin().read_line(input); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `mineswipper` (bin "mineswipper" test) generated 16 warnings (run `cargo fix --bin "mineswipper" --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mineswipper-2b426afa36024a3f) [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" "a17b74ee7ef6c8c9712bd60d121a47fc6254f421d06a9f2f055b93e91d04e7c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a17b74ee7ef6c8c9712bd60d121a47fc6254f421d06a9f2f055b93e91d04e7c8", kill_on_drop: false }` [INFO] [stdout] a17b74ee7ef6c8c9712bd60d121a47fc6254f421d06a9f2f055b93e91d04e7c8