[INFO] cloning repository https://github.com/jeromew21/rust-tic-tac-toe [INFO] running `"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"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeromew21%2Frust-tic-tac-toe'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 70d2f3e372b20e44eb425dac86cb22b0f11df24d [INFO] testing jeromew21/rust-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%2Fjeromew21%2Frust-tic-tac-toe" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jeromew21/rust-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/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-5/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 `"/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4fc089551e37aa0572d7e12b9fa571a1a99c2149a85a279a47b3b62e32c135df [INFO] running `"docker" "start" "-a" "4fc089551e37aa0572d7e12b9fa571a1a99c2149a85a279a47b3b62e32c135df"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling tic-tac-toe v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ttt.rs:91:17 [INFO] [stderr] | [INFO] [stderr] 77 | space => { [INFO] [stderr] | ----- matches any value [INFO] [stderr] ... [INFO] [stderr] 91 | _ => panic!("Wrong turn") [INFO] [stderr] | ^ unreachable pattern [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:138:17 [INFO] [stderr] | [INFO] [stderr] 138 | let num = [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `error` [INFO] [stderr] --> src/main.rs:151:25 [INFO] [stderr] | [INFO] [stderr] 151 | Err(error) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `space` [INFO] [stderr] --> src/ttt.rs:75:54 [INFO] [stderr] | [INFO] [stderr] 75 | pub fn make_move(&mut self, location: usize, space: &Space) -> bool { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_space` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/ttt.rs:183:29 [INFO] [stderr] | [INFO] [stderr] 183 | if let Some(c) = i.move_index { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | let mut reader = BufReader::new(data); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | std::io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | File::create(RECORD_FILE); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:82:5 [INFO] [stderr] | [INFO] [stderr] 82 | fs::write(RECORD_FILE, data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/ttt.rs:78:24 [INFO] [stderr] | [INFO] [stderr] 78 | if location < 0 || location > 8 { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.57s [INFO] running `"docker" "inspect" "4fc089551e37aa0572d7e12b9fa571a1a99c2149a85a279a47b3b62e32c135df"` [INFO] running `"docker" "rm" "-f" "4fc089551e37aa0572d7e12b9fa571a1a99c2149a85a279a47b3b62e32c135df"` [INFO] [stdout] 4fc089551e37aa0572d7e12b9fa571a1a99c2149a85a279a47b3b62e32c135df [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c0630e8fc5330e5b0918f4e9d5016d44875fe977f84646de582e7f6a75c9f2fc [INFO] running `"docker" "start" "-a" "c0630e8fc5330e5b0918f4e9d5016d44875fe977f84646de582e7f6a75c9f2fc"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling tic-tac-toe v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ttt.rs:91:17 [INFO] [stderr] | [INFO] [stderr] 77 | space => { [INFO] [stderr] | ----- matches any value [INFO] [stderr] ... [INFO] [stderr] 91 | _ => panic!("Wrong turn") [INFO] [stderr] | ^ unreachable pattern [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:138:17 [INFO] [stderr] | [INFO] [stderr] 138 | let num = [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `error` [INFO] [stderr] --> src/main.rs:151:25 [INFO] [stderr] | [INFO] [stderr] 151 | Err(error) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `space` [INFO] [stderr] --> src/ttt.rs:75:54 [INFO] [stderr] | [INFO] [stderr] 75 | pub fn make_move(&mut self, location: usize, space: &Space) -> bool { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_space` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/ttt.rs:183:29 [INFO] [stderr] | [INFO] [stderr] 183 | if let Some(c) = i.move_index { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | let mut reader = BufReader::new(data); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | std::io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | File::create(RECORD_FILE); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:82:5 [INFO] [stderr] | [INFO] [stderr] 82 | fs::write(RECORD_FILE, data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/ttt.rs:78:24 [INFO] [stderr] | [INFO] [stderr] 78 | if location < 0 || location > 8 { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `"docker" "inspect" "c0630e8fc5330e5b0918f4e9d5016d44875fe977f84646de582e7f6a75c9f2fc"` [INFO] running `"docker" "rm" "-f" "c0630e8fc5330e5b0918f4e9d5016d44875fe977f84646de582e7f6a75c9f2fc"` [INFO] [stdout] c0630e8fc5330e5b0918f4e9d5016d44875fe977f84646de582e7f6a75c9f2fc [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a2c35e960085a1e38a88540d250c2c46d941a40436eb93f29447347a094d47b2 [INFO] running `"docker" "start" "-a" "a2c35e960085a1e38a88540d250c2c46d941a40436eb93f29447347a094d47b2"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ttt.rs:91:17 [INFO] [stderr] | [INFO] [stderr] 77 | space => { [INFO] [stderr] | ----- matches any value [INFO] [stderr] ... [INFO] [stderr] 91 | _ => panic!("Wrong turn") [INFO] [stderr] | ^ unreachable pattern [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:138:17 [INFO] [stderr] | [INFO] [stderr] 138 | let num = [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `error` [INFO] [stderr] --> src/main.rs:151:25 [INFO] [stderr] | [INFO] [stderr] 151 | Err(error) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `space` [INFO] [stderr] --> src/ttt.rs:75:54 [INFO] [stderr] | [INFO] [stderr] 75 | pub fn make_move(&mut self, location: usize, space: &Space) -> bool { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_space` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/ttt.rs:183:29 [INFO] [stderr] | [INFO] [stderr] 183 | if let Some(c) = i.move_index { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | let mut reader = BufReader::new(data); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | std::io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | File::create(RECORD_FILE); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:82:5 [INFO] [stderr] | [INFO] [stderr] 82 | fs::write(RECORD_FILE, data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/ttt.rs:78:24 [INFO] [stderr] | [INFO] [stderr] 78 | if location < 0 || location > 8 { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tic_tac_toe-5dd1023fba61ed85 [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" "a2c35e960085a1e38a88540d250c2c46d941a40436eb93f29447347a094d47b2"` [INFO] running `"docker" "rm" "-f" "a2c35e960085a1e38a88540d250c2c46d941a40436eb93f29447347a094d47b2"` [INFO] [stdout] a2c35e960085a1e38a88540d250c2c46d941a40436eb93f29447347a094d47b2