[INFO] cloning repository https://github.com/robcampbell79/tic-tac-toe [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robcampbell79/tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobcampbell79%2Ftic-tac-toe", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobcampbell79%2Ftic-tac-toe'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bcc278fb4f216389748a14d8d034836dc9acf7a0 [INFO] checking robcampbell79/tic-tac-toe against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobcampbell79%2Ftic-tac-toe" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/robcampbell79/tic-tac-toe on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-8/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 363a6c61a891258735a5cca9722b02cad1cac22a56ee8898a86851342ce6fd97 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "363a6c61a891258735a5cca9722b02cad1cac22a56ee8898a86851342ce6fd97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "363a6c61a891258735a5cca9722b02cad1cac22a56ee8898a86851342ce6fd97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "363a6c61a891258735a5cca9722b02cad1cac22a56ee8898a86851342ce6fd97", kill_on_drop: false }` [INFO] [stdout] 363a6c61a891258735a5cca9722b02cad1cac22a56ee8898a86851342ce6fd97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be8489ceed90cb8a8b447efa472a098f72e4e87ab10ac3df928fa7b03b202890 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "be8489ceed90cb8a8b447efa472a098f72e4e87ab10ac3df928fa7b03b202890", kill_on_drop: false }` [INFO] [stderr] Checking tic-tac-toe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around pattern [INFO] [stdout] --> src/lib.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | (_) => println!("Invalid number."), [INFO] [stdout] | ^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around pattern [INFO] [stdout] --> src/lib.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 123 | (_) => println!("Invalid number."), [INFO] [stdout] | ^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around pattern [INFO] [stdout] --> src/lib.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | (_) => println!("Invalid number."), [INFO] [stdout] | ^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around pattern [INFO] [stdout] --> src/lib.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | (_) => println!("Invalid number."), [INFO] [stdout] | ^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around pattern [INFO] [stdout] --> src/lib.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 123 | (_) => println!("Invalid number."), [INFO] [stdout] | ^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around pattern [INFO] [stdout] --> src/lib.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | (_) => println!("Invalid number."), [INFO] [stdout] | ^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `winner` is never read [INFO] [stdout] --> src/lib.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | let mut winner: bool = false; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let mut row_name = make_move[0..1].trim(); [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let mut row_num = make_move[1..2].trim(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let mut marker = &player.marker; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `winner` is never read [INFO] [stdout] --> src/lib.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | let mut winner: bool = false; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let mut row_name = make_move[0..1].trim(); [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let mut row_num = make_move[1..2].trim(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let mut marker = &player.marker; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `marker` [INFO] [stdout] --> src/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let mut marker: String; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_marker` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index_num` [INFO] [stdout] --> src/main.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut index_num: usize; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `games_played` is assigned to, but never used [INFO] [stdout] --> src/main.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut games_played: u32 = 0; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_games_played` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `marker` [INFO] [stdout] --> src/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let mut marker: String; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_marker` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index_num` [INFO] [stdout] --> src/main.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut index_num: usize; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `games_played` is assigned to, but never used [INFO] [stdout] --> src/main.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut games_played: u32 = 0; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_games_played` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.17s [INFO] running `Command { std: "docker" "inspect" "be8489ceed90cb8a8b447efa472a098f72e4e87ab10ac3df928fa7b03b202890", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be8489ceed90cb8a8b447efa472a098f72e4e87ab10ac3df928fa7b03b202890", kill_on_drop: false }` [INFO] [stdout] be8489ceed90cb8a8b447efa472a098f72e4e87ab10ac3df928fa7b03b202890