[INFO] updating cached repository jeromew21/rust-tic-tac-toe [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jeromew21/rust-tic-tac-toe [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jeromew21/rust-tic-tac-toe" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jeromew21/rust-tic-tac-toe"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jeromew21/rust-tic-tac-toe'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jeromew21/rust-tic-tac-toe" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jeromew21/rust-tic-tac-toe"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jeromew21/rust-tic-tac-toe'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 70d2f3e372b20e44eb425dac86cb22b0f11df24d [INFO] sha for GitHub repo jeromew21/rust-tic-tac-toe: 70d2f3e372b20e44eb425dac86cb22b0f11df24d [INFO] validating manifest of jeromew21/rust-tic-tac-toe on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jeromew21/rust-tic-tac-toe on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jeromew21/rust-tic-tac-toe [INFO] finished frobbing jeromew21/rust-tic-tac-toe [INFO] frobbed toml for jeromew21/rust-tic-tac-toe written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jeromew21/rust-tic-tac-toe/Cargo.toml [INFO] started frobbing jeromew21/rust-tic-tac-toe [INFO] finished frobbing jeromew21/rust-tic-tac-toe [INFO] frobbed toml for jeromew21/rust-tic-tac-toe written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jeromew21/rust-tic-tac-toe/Cargo.toml [INFO] crate jeromew21/rust-tic-tac-toe has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing jeromew21/rust-tic-tac-toe against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jeromew21/rust-tic-tac-toe:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"` [INFO] [stdout] 8eff7d59bbb6486e61753afefa013219f5e08020729daa9a1588c626628b6237 [INFO] running `"docker" "start" "-a" "8eff7d59bbb6486e61753afefa013219f5e08020729daa9a1588c626628b6237"` [INFO] [stderr] Compiling tic-tac-toe v0.1.0 (/opt/crater/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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_c` [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: 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] Finished dev [unoptimized + debuginfo] target(s) in 1.94s [INFO] running `"docker" "inspect" "8eff7d59bbb6486e61753afefa013219f5e08020729daa9a1588c626628b6237"` [INFO] running `"docker" "rm" "-f" "8eff7d59bbb6486e61753afefa013219f5e08020729daa9a1588c626628b6237"` [INFO] [stdout] 8eff7d59bbb6486e61753afefa013219f5e08020729daa9a1588c626628b6237 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jeromew21/rust-tic-tac-toe:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 21c270e4b5d8d000aa7f5ab78beeb47785bd873687c24e1bac6f45e2f0261794 [INFO] running `"docker" "start" "-a" "21c270e4b5d8d000aa7f5ab78beeb47785bd873687c24e1bac6f45e2f0261794"` [INFO] [stderr] Compiling tic-tac-toe v0.1.0 (/opt/crater/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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_c` [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: 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] Finished dev [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `"docker" "inspect" "21c270e4b5d8d000aa7f5ab78beeb47785bd873687c24e1bac6f45e2f0261794"` [INFO] running `"docker" "rm" "-f" "21c270e4b5d8d000aa7f5ab78beeb47785bd873687c24e1bac6f45e2f0261794"` [INFO] [stdout] 21c270e4b5d8d000aa7f5ab78beeb47785bd873687c24e1bac6f45e2f0261794 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jeromew21/rust-tic-tac-toe:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"` [INFO] [stdout] 69c2b3afa1bb8cdbd51723bd238b9d19d3452bb881dbb3de440941d9e6930f9d [INFO] running `"docker" "start" "-a" "69c2b3afa1bb8cdbd51723bd238b9d19d3452bb881dbb3de440941d9e6930f9d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/tic_tac_toe-5b7a6ccd1132dff8 [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" "69c2b3afa1bb8cdbd51723bd238b9d19d3452bb881dbb3de440941d9e6930f9d"` [INFO] running `"docker" "rm" "-f" "69c2b3afa1bb8cdbd51723bd238b9d19d3452bb881dbb3de440941d9e6930f9d"` [INFO] [stdout] 69c2b3afa1bb8cdbd51723bd238b9d19d3452bb881dbb3de440941d9e6930f9d