[INFO] updating cached repository atmoPunk/minesweeper_rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/atmoPunk/minesweeper_rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/atmoPunk/minesweeper_rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/atmoPunk/minesweeper_rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/atmoPunk/minesweeper_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/atmoPunk/minesweeper_rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/atmoPunk/minesweeper_rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/atmoPunk/minesweeper_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f95cc74911a8c7894c2c896948db92c722912ea1
[INFO] sha for GitHub repo atmoPunk/minesweeper_rs: f95cc74911a8c7894c2c896948db92c722912ea1
[INFO] validating manifest of atmoPunk/minesweeper_rs 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 atmoPunk/minesweeper_rs 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 atmoPunk/minesweeper_rs
[INFO] finished frobbing atmoPunk/minesweeper_rs
[INFO] frobbed toml for atmoPunk/minesweeper_rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/atmoPunk/minesweeper_rs/Cargo.toml
[INFO] started frobbing atmoPunk/minesweeper_rs
[INFO] finished frobbing atmoPunk/minesweeper_rs
[INFO] frobbed toml for atmoPunk/minesweeper_rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/atmoPunk/minesweeper_rs/Cargo.toml
[INFO] crate atmoPunk/minesweeper_rs 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 atmoPunk/minesweeper_rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/atmoPunk/minesweeper_rs:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] fc472df0e4f30b65268ef78fc7df3b4bacac8b8c1bca7e9eb5a706d7f3c30ef9
[INFO] running `"docker" "start" "-a" "fc472df0e4f30b65268ef78fc7df3b4bacac8b8c1bca7e9eb5a706d7f3c30ef9"`
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling rusttype v0.7.7
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling piston2d-graphics v0.32.0
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling image v0.21.2
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling pistoncore-input v0.28.0
[INFO] [stderr]    Compiling pistoncore-window v0.43.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.48.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling piston v0.48.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.65.0
[INFO] [stderr]    Compiling winit v0.19.1
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling glutin v0.21.0
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.5
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.61.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.62.1
[INFO] [stderr]    Compiling piston-gfx_texture v0.36.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.61.0
[INFO] [stderr]    Compiling piston_window v0.99.0
[INFO] [stderr]    Compiling minesweeper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/tile.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/board.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 143 |         match self.get_tile_real(mouse_pos[0], mouse_pos[1]) {
[INFO] [stderr]     |               ---- immutable borrow occurs here
[INFO] [stderr] 144 |             Some(tile) => {
[INFO] [stderr] 145 |                 open_mine = self.open_neighbors(tile.pos_x, tile.pos_y);
[INFO] [stderr]     |                             ^^^^                ---------- immutable borrow later used here
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `mine_count`
[INFO] [stderr]  --> src/board.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     mine_count: i32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 12s
[INFO] running `"docker" "inspect" "fc472df0e4f30b65268ef78fc7df3b4bacac8b8c1bca7e9eb5a706d7f3c30ef9"`
[INFO] running `"docker" "rm" "-f" "fc472df0e4f30b65268ef78fc7df3b4bacac8b8c1bca7e9eb5a706d7f3c30ef9"`
[INFO] [stdout] fc472df0e4f30b65268ef78fc7df3b4bacac8b8c1bca7e9eb5a706d7f3c30ef9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/atmoPunk/minesweeper_rs:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] df389ce947b6f192eadc5e0c9c53e6bea528c5c9110cb72ed0dbded180de2374
[INFO] running `"docker" "start" "-a" "df389ce947b6f192eadc5e0c9c53e6bea528c5c9110cb72ed0dbded180de2374"`
[INFO] [stderr]    Compiling minesweeper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/tile.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/board.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 143 |         match self.get_tile_real(mouse_pos[0], mouse_pos[1]) {
[INFO] [stderr]     |               ---- immutable borrow occurs here
[INFO] [stderr] 144 |             Some(tile) => {
[INFO] [stderr] 145 |                 open_mine = self.open_neighbors(tile.pos_x, tile.pos_y);
[INFO] [stderr]     |                             ^^^^                ---------- immutable borrow later used here
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `mine_count`
[INFO] [stderr]  --> src/board.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     mine_count: i32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `"docker" "inspect" "df389ce947b6f192eadc5e0c9c53e6bea528c5c9110cb72ed0dbded180de2374"`
[INFO] running `"docker" "rm" "-f" "df389ce947b6f192eadc5e0c9c53e6bea528c5c9110cb72ed0dbded180de2374"`
[INFO] [stdout] df389ce947b6f192eadc5e0c9c53e6bea528c5c9110cb72ed0dbded180de2374
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/atmoPunk/minesweeper_rs:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 8f4ad8c4e264a74539fed482ef5f9925cc8325721ad4897d8828d8b9f2da0f5c
[INFO] running `"docker" "start" "-a" "8f4ad8c4e264a74539fed482ef5f9925cc8325721ad4897d8828d8b9f2da0f5c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minesweeper-050c1961302c2a04
[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" "8f4ad8c4e264a74539fed482ef5f9925cc8325721ad4897d8828d8b9f2da0f5c"`
[INFO] running `"docker" "rm" "-f" "8f4ad8c4e264a74539fed482ef5f9925cc8325721ad4897d8828d8b9f2da0f5c"`
[INFO] [stdout] 8f4ad8c4e264a74539fed482ef5f9925cc8325721ad4897d8828d8b9f2da0f5c