[INFO] updating cached repository https://github.com/robcampbell79/tic-tac-toe [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] bcc278fb4f216389748a14d8d034836dc9acf7a0 [INFO] testing robcampbell79/tic-tac-toe against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobcampbell79%2Ftic-tac-toe" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/robcampbell79/tic-tac-toe on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/robcampbell79/tic-tac-toe [INFO] finished tweaking git repo https://github.com/robcampbell79/tic-tac-toe [INFO] tweaked toml for git repo https://github.com/robcampbell79/tic-tac-toe written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/robcampbell79/tic-tac-toe already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3526de9af25ef5decfd5ab69b4a946d7055732a6e134a08df06b267ec721a728 [INFO] running `"docker" "start" "-a" "3526de9af25ef5decfd5ab69b4a946d7055732a6e134a08df06b267ec721a728"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling tic-tac-toe v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:149:13 [INFO] [stderr] | [INFO] [stderr] 149 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: value assigned to `winner` is never read [INFO] [stderr] --> src/lib.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut winner: bool = false; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let mut row_name = make_move[0..1].trim(); [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let mut row_num = make_move[1..2].trim(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | let mut marker = &player.marker; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `marker` [INFO] [stderr] --> src/main.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let mut marker: String; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_marker` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index_num` [INFO] [stderr] --> src/main.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let mut index_num: usize; [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_num` [INFO] [stderr] [INFO] [stderr] warning: variable `games_played` is assigned to, but never used [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut games_played: u32 = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_games_played` instead [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `"docker" "inspect" "3526de9af25ef5decfd5ab69b4a946d7055732a6e134a08df06b267ec721a728"` [INFO] running `"docker" "rm" "-f" "3526de9af25ef5decfd5ab69b4a946d7055732a6e134a08df06b267ec721a728"` [INFO] [stdout] 3526de9af25ef5decfd5ab69b4a946d7055732a6e134a08df06b267ec721a728 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9cf8b4af761bcf98dae53c827669a586d3095d68a95ddc21b3bf707358aa01af [INFO] running `"docker" "start" "-a" "9cf8b4af761bcf98dae53c827669a586d3095d68a95ddc21b3bf707358aa01af"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling tic-tac-toe v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:149:13 [INFO] [stderr] | [INFO] [stderr] 149 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: value assigned to `winner` is never read [INFO] [stderr] --> src/lib.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut winner: bool = false; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let mut row_name = make_move[0..1].trim(); [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let mut row_num = make_move[1..2].trim(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | let mut marker = &player.marker; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:149:13 [INFO] [stderr] | [INFO] [stderr] 149 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused variable: `marker` [INFO] [stderr] --> src/main.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let mut marker: String; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_marker` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index_num` [INFO] [stderr] --> src/main.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let mut index_num: usize; [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_num` [INFO] [stderr] [INFO] [stderr] warning: variable `games_played` is assigned to, but never used [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut games_played: u32 = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_games_played` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `winner` is never read [INFO] [stderr] --> src/lib.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut winner: bool = false; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let mut row_name = make_move[0..1].trim(); [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let mut row_num = make_move[1..2].trim(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | let mut marker = &player.marker; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `"docker" "inspect" "9cf8b4af761bcf98dae53c827669a586d3095d68a95ddc21b3bf707358aa01af"` [INFO] running `"docker" "rm" "-f" "9cf8b4af761bcf98dae53c827669a586d3095d68a95ddc21b3bf707358aa01af"` [INFO] [stdout] 9cf8b4af761bcf98dae53c827669a586d3095d68a95ddc21b3bf707358aa01af [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 99d1fc27b106d47305b8a7b926851bf8ccc94705a9cf7be4c8982c304979d6f4 [INFO] running `"docker" "start" "-a" "99d1fc27b106d47305b8a7b926851bf8ccc94705a9cf7be4c8982c304979d6f4"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:149:13 [INFO] [stderr] | [INFO] [stderr] 149 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: value assigned to `winner` is never read [INFO] [stderr] --> src/lib.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut winner: bool = false; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let mut row_name = make_move[0..1].trim(); [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let mut row_num = make_move[1..2].trim(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | let mut marker = &player.marker; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around pattern [INFO] [stderr] --> src/lib.rs:149:13 [INFO] [stderr] | [INFO] [stderr] 149 | (_) => println!("Invalid number."), [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: value assigned to `winner` is never read [INFO] [stderr] --> src/lib.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut winner: bool = false; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let mut row_name = make_move[0..1].trim(); [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let mut row_num = make_move[1..2].trim(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | let mut marker = &player.marker; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `marker` [INFO] [stderr] --> src/main.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let mut marker: String; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_marker` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index_num` [INFO] [stderr] --> src/main.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let mut index_num: usize; [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_num` [INFO] [stderr] [INFO] [stderr] warning: variable `games_played` is assigned to, but never used [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut games_played: u32 = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_games_played` instead [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tic_tac_toe-3c7e4b65c801f750 [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tic_tac_toe-7bf6360ab4c7a94b [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 [INFO] [stdout] [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 [INFO] [stdout] [INFO] [stderr] Doc-tests tic-tac-toe [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "99d1fc27b106d47305b8a7b926851bf8ccc94705a9cf7be4c8982c304979d6f4"` [INFO] running `"docker" "rm" "-f" "99d1fc27b106d47305b8a7b926851bf8ccc94705a9cf7be4c8982c304979d6f4"` [INFO] [stdout] 99d1fc27b106d47305b8a7b926851bf8ccc94705a9cf7be4c8982c304979d6f4