[INFO] cloning repository https://github.com/jeromew21/rust-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/jeromew21/rust-tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeromew21%2Frust-tic-tac-toe", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeromew21%2Frust-tic-tac-toe'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 70d2f3e372b20e44eb425dac86cb22b0f11df24d [INFO] checking jeromew21/rust-tic-tac-toe against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeromew21%2Frust-tic-tac-toe" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jeromew21/rust-tic-tac-toe on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jeromew21/rust-tic-tac-toe [INFO] finished tweaking git repo https://github.com/jeromew21/rust-tic-tac-toe [INFO] tweaked toml for git repo https://github.com/jeromew21/rust-tic-tac-toe written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/jeromew21/rust-tic-tac-toe already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db504a8896fbae59650c0d2d1fb70650c7133ecce90723b3d6089e7565fe1ed3 [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" "db504a8896fbae59650c0d2d1fb70650c7133ecce90723b3d6089e7565fe1ed3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db504a8896fbae59650c0d2d1fb70650c7133ecce90723b3d6089e7565fe1ed3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db504a8896fbae59650c0d2d1fb70650c7133ecce90723b3d6089e7565fe1ed3", kill_on_drop: false }` [INFO] [stdout] db504a8896fbae59650c0d2d1fb70650c7133ecce90723b3d6089e7565fe1ed3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 032e6d3aad95605253f7decb3d13bb153911f73c043da1656c3973a57d8730ca [INFO] running `Command { std: "docker" "start" "-a" "032e6d3aad95605253f7decb3d13bb153911f73c043da1656c3973a57d8730ca", kill_on_drop: false }` [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking tic-tac-toe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ttt.rs:91:17 [INFO] [stdout] | [INFO] [stdout] 77 | space => { [INFO] [stdout] | ----- matches any value [INFO] [stdout] ... [INFO] [stdout] 91 | _ => panic!("Wrong turn") [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:138:17 [INFO] [stdout] | [INFO] [stdout] 138 | let num = [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:151:25 [INFO] [stdout] | [INFO] [stdout] 151 | Err(error) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `space` [INFO] [stdout] --> src/ttt.rs:75:54 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn make_move(&mut self, location: usize, space: &Space) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_space` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/ttt.rs:183:29 [INFO] [stdout] | [INFO] [stdout] 183 | if let Some(c) = i.move_index { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut reader = BufReader::new(data); [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: unreachable pattern [INFO] [stdout] --> src/ttt.rs:91:17 [INFO] [stdout] | [INFO] [stdout] 77 | space => { [INFO] [stdout] | ----- matches any value [INFO] [stdout] ... [INFO] [stdout] 91 | _ => panic!("Wrong turn") [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:138:17 [INFO] [stdout] | [INFO] [stdout] 138 | let num = [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:151:25 [INFO] [stdout] | [INFO] [stdout] 151 | Err(error) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `space` [INFO] [stdout] --> src/ttt.rs:75:54 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn make_move(&mut self, location: usize, space: &Space) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_space` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/ttt.rs:183:29 [INFO] [stdout] | [INFO] [stdout] 183 | if let Some(c) = i.move_index { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut reader = BufReader::new(data); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | std::io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | File::create(RECORD_FILE); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 82 | fs::write(RECORD_FILE, data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/ttt.rs:78:24 [INFO] [stdout] | [INFO] [stdout] 78 | if location < 0 || location > 8 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | std::io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | File::create(RECORD_FILE); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 82 | fs::write(RECORD_FILE, data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/ttt.rs:78:24 [INFO] [stdout] | [INFO] [stdout] 78 | if location < 0 || location > 8 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.31s [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "032e6d3aad95605253f7decb3d13bb153911f73c043da1656c3973a57d8730ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "032e6d3aad95605253f7decb3d13bb153911f73c043da1656c3973a57d8730ca", kill_on_drop: false }` [INFO] [stdout] 032e6d3aad95605253f7decb3d13bb153911f73c043da1656c3973a57d8730ca