[INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/fsmonitor-watchman.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper/hooks/fsmonitor-watchman.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/description' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper/description': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] [stderr] fatal: sha1 file '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper/objects/pack/tmp_rev_Giwz64' write error. Out of diskspace [INFO] [stderr] fatal: fetch-pack: invalid index-pack output [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/info/exclude' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper/info/exclude': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/fsmonitor-watchman.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper/hooks/fsmonitor-watchman.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 7) [INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 8) [INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 9) [INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 10) [INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 11) [INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 12) [INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 13) [INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c5b73ef1a3098b82dd3a54f6dd564ae1abff13ff [INFO] checking jakeec/minesweeper against try#d12484522bcab8d07e325c6570f226a2faace3f7 for pr-128425-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakeec/minesweeper on toolchain d12484522bcab8d07e325c6570f226a2faace3f7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jakeec/minesweeper [INFO] finished tweaking git repo https://github.com/jakeec/minesweeper [INFO] tweaked toml for git repo https://github.com/jakeec/minesweeper written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jakeec/minesweeper 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" "+d12484522bcab8d07e325c6570f226a2faace3f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getch v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fd91ed2a9422f45f74ee6e37d4c244e9dbec91d210a08669ce56c067c81b0843 [INFO] running `Command { std: "docker" "start" "-a" "fd91ed2a9422f45f74ee6e37d4c244e9dbec91d210a08669ce56c067c81b0843", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd91ed2a9422f45f74ee6e37d4c244e9dbec91d210a08669ce56c067c81b0843", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd91ed2a9422f45f74ee6e37d4c244e9dbec91d210a08669ce56c067c81b0843", kill_on_drop: false }` [INFO] [stdout] fd91ed2a9422f45f74ee6e37d4c244e9dbec91d210a08669ce56c067c81b0843 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f6a4153979c39ac29a4a64f322eb9827a031b91b2aa43ee242e7b4b3e025fa5 [INFO] running `Command { std: "docker" "start" "-a" "5f6a4153979c39ac29a4a64f322eb9827a031b91b2aa43ee242e7b4b3e025fa5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking getch v0.2.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking minesweeper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Stdin` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Stdin; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Stdin` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Stdin; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/minesweeper.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | for x in 0..dimensions.x { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/minesweeper.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | for y in 0..dimensions.y { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/minesweeper.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | for x in 0..dimensions.x { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/minesweeper.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | for y in 0..dimensions.y { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | Err(err) => None, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | Err(err) => None, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Win` is never constructed [INFO] [stdout] --> src/minesweeper.rs:127:5 [INFO] [stdout] | [INFO] [stdout] 126 | pub enum GameState { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 127 | Win, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Win` is never constructed [INFO] [stdout] --> src/minesweeper.rs:127:5 [INFO] [stdout] | [INFO] [stdout] 126 | pub enum GameState { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 127 | Win, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | 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] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 29 | let _ = stdin.read_line(&mut input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | 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] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 29 | let _ = stdin.read_line(&mut input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/minesweeper.rs:207:25 [INFO] [stdout] | [INFO] [stdout] 207 | / match revealed { [INFO] [stdout] 208 | | HiddenState::Hidden => write!(&mut stdout, "⬜ "), [INFO] [stdout] 209 | | HiddenState::Flagged => write!(&mut stdout, "🚩 "), [INFO] [stdout] 210 | | HiddenState::Revealed => match state { [INFO] [stdout] ... | [INFO] [stdout] 214 | | }, [INFO] [stdout] 215 | | }; [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] 207 | let _ = match revealed { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/minesweeper.rs:207:25 [INFO] [stdout] | [INFO] [stdout] 207 | / match revealed { [INFO] [stdout] 208 | | HiddenState::Hidden => write!(&mut stdout, "⬜ "), [INFO] [stdout] 209 | | HiddenState::Flagged => write!(&mut stdout, "🚩 "), [INFO] [stdout] 210 | | HiddenState::Revealed => match state { [INFO] [stdout] ... | [INFO] [stdout] 214 | | }, [INFO] [stdout] 215 | | }; [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] 207 | let _ = match revealed { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.58s [INFO] running `Command { std: "docker" "inspect" "5f6a4153979c39ac29a4a64f322eb9827a031b91b2aa43ee242e7b4b3e025fa5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f6a4153979c39ac29a4a64f322eb9827a031b91b2aa43ee242e7b4b3e025fa5", kill_on_drop: false }` [INFO] [stdout] 5f6a4153979c39ac29a4a64f322eb9827a031b91b2aa43ee242e7b4b3e025fa5