[INFO] updating cached repository strangelovephd/minesweeper [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/strangelovephd/minesweeper [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/strangelovephd/minesweeper" "work/ex/beta-1.38-1/sources/1.37.0/gh/strangelovephd/minesweeper"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/strangelovephd/minesweeper'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/strangelovephd/minesweeper" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/strangelovephd/minesweeper"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/strangelovephd/minesweeper'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9ebc94507a558f3c8f62f0ad5a29af86bbf794e3 [INFO] sha for GitHub repo strangelovephd/minesweeper: 9ebc94507a558f3c8f62f0ad5a29af86bbf794e3 [INFO] validating manifest of strangelovephd/minesweeper on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of strangelovephd/minesweeper on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing strangelovephd/minesweeper [INFO] finished frobbing strangelovephd/minesweeper [INFO] frobbed toml for strangelovephd/minesweeper written to work/ex/beta-1.38-1/sources/1.37.0/gh/strangelovephd/minesweeper/Cargo.toml [INFO] started frobbing strangelovephd/minesweeper [INFO] finished frobbing strangelovephd/minesweeper [INFO] frobbed toml for strangelovephd/minesweeper written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/strangelovephd/minesweeper/Cargo.toml [INFO] crate strangelovephd/minesweeper already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing strangelovephd/minesweeper against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/strangelovephd/minesweeper:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 3d73626008d046adaf07b4bd0e8d37b83e358597bc01eac0416c3511346588da [INFO] running `"docker" "start" "-a" "3d73626008d046adaf07b4bd0e8d37b83e358597bc01eac0416c3511346588da"` [INFO] [stderr] Compiling rusttype v0.7.4 [INFO] [stderr] Compiling num-derive v0.2.4 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling png v0.14.0 [INFO] [stderr] Compiling pistoncore-input v0.23.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling andrew v0.1.6 [INFO] [stderr] Compiling piston2d-graphics v0.30.0 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling smithay-client-toolkit v0.4.4 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling pistoncore-window v0.35.0 [INFO] [stderr] Compiling tiff v0.2.2 [INFO] [stderr] Compiling pistoncore-event_loop v0.40.0 [INFO] [stderr] Compiling winit v0.18.1 [INFO] [stderr] Compiling image v0.21.0 [INFO] [stderr] Compiling piston v0.40.0 [INFO] [stderr] Compiling glutin v0.19.0 [INFO] [stderr] Compiling pistoncore-glutin_window v0.52.0 [INFO] [stderr] Compiling piston2d-opengl_graphics v0.59.0 [INFO] [stderr] Compiling minesweeper v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `temp_val` [INFO] [stderr] --> src/minesweeper.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | let temp_val: i32 = index as i32; [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_temp_val` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pos` [INFO] [stderr] --> src/minesweeper_controller.rs:27:46 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_pos` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/minesweeper_controller.rs:27:61 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/minesweeper_controller.rs:27:72 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | let mut minesweeper_controller = MinesweeperController::new(minesweeper); [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: variant is never constructed: `Intermediate` [INFO] [stderr] --> src/minesweeper.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | Intermediate, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Expert` [INFO] [stderr] --> src/minesweeper.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | Expert, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `init` [INFO] [stderr] --> src/minesweeper.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn init(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Open` [INFO] [stderr] --> src/minesweeper.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | Open(u8), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/minesweeper.rs:106:5 [INFO] [stderr] | [INFO] [stderr] 106 | pub fn new() -> Cell { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `toggle` [INFO] [stderr] --> src/minesweeper.rs:115:5 [INFO] [stderr] | [INFO] [stderr] 115 | pub fn toggle(&mut self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `event` [INFO] [stderr] --> src/minesweeper_controller.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 13s [INFO] running `"docker" "inspect" "3d73626008d046adaf07b4bd0e8d37b83e358597bc01eac0416c3511346588da"` [INFO] running `"docker" "rm" "-f" "3d73626008d046adaf07b4bd0e8d37b83e358597bc01eac0416c3511346588da"` [INFO] [stdout] 3d73626008d046adaf07b4bd0e8d37b83e358597bc01eac0416c3511346588da [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/strangelovephd/minesweeper:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 7b0a9e5c5b8eabd8cd487e31bf3b46e047694e7ac310e85453b8c7551c7c3ac9 [INFO] running `"docker" "start" "-a" "7b0a9e5c5b8eabd8cd487e31bf3b46e047694e7ac310e85453b8c7551c7c3ac9"` [INFO] [stderr] Compiling minesweeper v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `temp_val` [INFO] [stderr] --> src/minesweeper.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | let temp_val: i32 = index as i32; [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_temp_val` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pos` [INFO] [stderr] --> src/minesweeper_controller.rs:27:46 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_pos` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/minesweeper_controller.rs:27:61 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/minesweeper_controller.rs:27:72 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | let mut minesweeper_controller = MinesweeperController::new(minesweeper); [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: variant is never constructed: `Intermediate` [INFO] [stderr] --> src/minesweeper.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | Intermediate, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Expert` [INFO] [stderr] --> src/minesweeper.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | Expert, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `init` [INFO] [stderr] --> src/minesweeper.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn init(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Open` [INFO] [stderr] --> src/minesweeper.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | Open(u8), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/minesweeper.rs:106:5 [INFO] [stderr] | [INFO] [stderr] 106 | pub fn new() -> Cell { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `toggle` [INFO] [stderr] --> src/minesweeper.rs:115:5 [INFO] [stderr] | [INFO] [stderr] 115 | pub fn toggle(&mut self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `event` [INFO] [stderr] --> src/minesweeper_controller.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.37s [INFO] running `"docker" "inspect" "7b0a9e5c5b8eabd8cd487e31bf3b46e047694e7ac310e85453b8c7551c7c3ac9"` [INFO] running `"docker" "rm" "-f" "7b0a9e5c5b8eabd8cd487e31bf3b46e047694e7ac310e85453b8c7551c7c3ac9"` [INFO] [stdout] 7b0a9e5c5b8eabd8cd487e31bf3b46e047694e7ac310e85453b8c7551c7c3ac9 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/strangelovephd/minesweeper:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 541aad5b3922518d1d2ce9e9dfb793754d860672e321d2057befa8b4e5a6ecea [INFO] running `"docker" "start" "-a" "541aad5b3922518d1d2ce9e9dfb793754d860672e321d2057befa8b4e5a6ecea"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.34s [INFO] [stderr] Running /opt/crater/target/debug/deps/minesweeper-9f98dc1e8c8dfdf3 [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" "541aad5b3922518d1d2ce9e9dfb793754d860672e321d2057befa8b4e5a6ecea"` [INFO] running `"docker" "rm" "-f" "541aad5b3922518d1d2ce9e9dfb793754d860672e321d2057befa8b4e5a6ecea"` [INFO] [stdout] 541aad5b3922518d1d2ce9e9dfb793754d860672e321d2057befa8b4e5a6ecea