[INFO] updating cached repository https://github.com/jakeec/minesweeper [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] c5b73ef1a3098b82dd3a54f6dd564ae1abff13ff [INFO] testing jakeec/minesweeper against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakeec/minesweeper on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jakeec/minesweeper [INFO] finished tweaking git repo https://github.com/jakeec/minesweeper [INFO] tweaked toml for git repo https://github.com/jakeec/minesweeper written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/jakeec/minesweeper already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.44.0" "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] 66dd0c56bf7126298f1a2c89c7d50d117cc38c91101961de925942138b7d303d [INFO] running `"docker" "start" "-a" "66dd0c56bf7126298f1a2c89c7d50d117cc38c91101961de925942138b7d303d"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling getch v0.2.1 [INFO] [stderr] Compiling minesweeper v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::io::Stdin` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::Stdin; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:8:13 [INFO] [stderr] | [INFO] [stderr] 8 | Err(err) => None, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/minesweeper.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | for x in 0..dimensions.x { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/minesweeper.rs:44:17 [INFO] [stderr] | [INFO] [stderr] 44 | for y in 0..dimensions.y { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Win` [INFO] [stderr] --> src/minesweeper.rs:127:5 [INFO] [stderr] | [INFO] [stderr] 127 | Win, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | stdin.read_line(&mut input); [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/minesweeper.rs:207:25 [INFO] [stderr] | [INFO] [stderr] 207 | / match revealed { [INFO] [stderr] 208 | | HiddenState::Hidden => write!(&mut stdout, "⬜ "), [INFO] [stderr] 209 | | HiddenState::Flagged => write!(&mut stdout, "🚩 "), [INFO] [stderr] 210 | | HiddenState::Revealed => match state { [INFO] [stderr] ... | [INFO] [stderr] 214 | | }, [INFO] [stderr] 215 | | }; [INFO] [stderr] | |__________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.15s [INFO] running `"docker" "inspect" "66dd0c56bf7126298f1a2c89c7d50d117cc38c91101961de925942138b7d303d"` [INFO] running `"docker" "rm" "-f" "66dd0c56bf7126298f1a2c89c7d50d117cc38c91101961de925942138b7d303d"` [INFO] [stdout] 66dd0c56bf7126298f1a2c89c7d50d117cc38c91101961de925942138b7d303d [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.44.0" "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] 7f286d29190260b260d84669a9817bb92169911f2c4115d2ab59e184606b26b8 [INFO] running `"docker" "start" "-a" "7f286d29190260b260d84669a9817bb92169911f2c4115d2ab59e184606b26b8"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling minesweeper v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::io::Stdin` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::Stdin; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:8:13 [INFO] [stderr] | [INFO] [stderr] 8 | Err(err) => None, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/minesweeper.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | for x in 0..dimensions.x { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/minesweeper.rs:44:17 [INFO] [stderr] | [INFO] [stderr] 44 | for y in 0..dimensions.y { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Win` [INFO] [stderr] --> src/minesweeper.rs:127:5 [INFO] [stderr] | [INFO] [stderr] 127 | Win, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | stdin.read_line(&mut input); [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/minesweeper.rs:207:25 [INFO] [stderr] | [INFO] [stderr] 207 | / match revealed { [INFO] [stderr] 208 | | HiddenState::Hidden => write!(&mut stdout, "⬜ "), [INFO] [stderr] 209 | | HiddenState::Flagged => write!(&mut stdout, "🚩 "), [INFO] [stderr] 210 | | HiddenState::Revealed => match state { [INFO] [stderr] ... | [INFO] [stderr] 214 | | }, [INFO] [stderr] 215 | | }; [INFO] [stderr] | |__________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `"docker" "inspect" "7f286d29190260b260d84669a9817bb92169911f2c4115d2ab59e184606b26b8"` [INFO] running `"docker" "rm" "-f" "7f286d29190260b260d84669a9817bb92169911f2c4115d2ab59e184606b26b8"` [INFO] [stdout] 7f286d29190260b260d84669a9817bb92169911f2c4115d2ab59e184606b26b8 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.44.0" "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] efc088d2146b31dce8287962306778d578230661e71312ecaa5bc3b41140c568 [INFO] running `"docker" "start" "-a" "efc088d2146b31dce8287962306778d578230661e71312ecaa5bc3b41140c568"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `std::io::Stdin` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::Stdin; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:8:13 [INFO] [stderr] | [INFO] [stderr] 8 | Err(err) => None, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/minesweeper.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | for x in 0..dimensions.x { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/minesweeper.rs:44:17 [INFO] [stderr] | [INFO] [stderr] 44 | for y in 0..dimensions.y { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Win` [INFO] [stderr] --> src/minesweeper.rs:127:5 [INFO] [stderr] | [INFO] [stderr] 127 | Win, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | stdin.read_line(&mut input); [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/minesweeper.rs:207:25 [INFO] [stderr] | [INFO] [stderr] 207 | / match revealed { [INFO] [stderr] 208 | | HiddenState::Hidden => write!(&mut stdout, "⬜ "), [INFO] [stderr] 209 | | HiddenState::Flagged => write!(&mut stdout, "🚩 "), [INFO] [stderr] 210 | | HiddenState::Revealed => match state { [INFO] [stderr] ... | [INFO] [stderr] 214 | | }, [INFO] [stderr] 215 | | }; [INFO] [stderr] | |__________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/minesweeper-a9661b1fb7af61e4 [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" "efc088d2146b31dce8287962306778d578230661e71312ecaa5bc3b41140c568"` [INFO] running `"docker" "rm" "-f" "efc088d2146b31dce8287962306778d578230661e71312ecaa5bc3b41140c568"` [INFO] [stdout] efc088d2146b31dce8287962306778d578230661e71312ecaa5bc3b41140c568