[INFO] cloning repository Trolley33/rust-minesweeper
[INFO] running `"git" "clone" "--bare" "git://github.com/Trolley33/rust-minesweeper.git" "work/cache/sources/gh/Trolley33/rust-minesweeper"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Trolley33/rust-minesweeper'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Trolley33/rust-minesweeper" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Trolley33/rust-minesweeper"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Trolley33/rust-minesweeper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Trolley33/rust-minesweeper" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Trolley33/rust-minesweeper"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Trolley33/rust-minesweeper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8fc1dd5156ea3dbdee0a05ca6b5aa6e6d7df61d9
[INFO] sha for GitHub repo Trolley33/rust-minesweeper: 8fc1dd5156ea3dbdee0a05ca6b5aa6e6d7df61d9
[INFO] validating manifest of Trolley33/rust-minesweeper on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Trolley33/rust-minesweeper on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Trolley33/rust-minesweeper
[INFO] finished frobbing Trolley33/rust-minesweeper
[INFO] frobbed toml for Trolley33/rust-minesweeper written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Trolley33/rust-minesweeper/Cargo.toml
[INFO] started frobbing Trolley33/rust-minesweeper
[INFO] finished frobbing Trolley33/rust-minesweeper
[INFO] frobbed toml for Trolley33/rust-minesweeper written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Trolley33/rust-minesweeper/Cargo.toml
[INFO] crate Trolley33/rust-minesweeper already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Trolley33/rust-minesweeper against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Trolley33/rust-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=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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 809f927da7d45aec2724fd8e773f98e114aab814929b9a03398454632ca6fa35
[INFO] running `"docker" "start" "-a" "809f927da7d45aec2724fd8e773f98e114aab814929b9a03398454632ca6fa35"`
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking pistoncore-window v0.43.0
[INFO] [stderr]     Checking glutin v0.19.0
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.2
[INFO] [stderr]     Checking pistoncore-event_loop v0.48.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.61.0
[INFO] [stderr]     Checking piston v0.48.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.65.0
[INFO] [stderr]     Checking minesweeper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `font`
[INFO] [stderr]    --> src/main.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |     let ref font = assets.join("FiraSans-Regular.ttf");
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_font`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:48:26
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `tile_bomb_values`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     tile_bomb_values: [[u32; NUM_TILES as usize]; NUM_TILES as usize],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `font`
[INFO] [stderr]    --> src/main.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |     let ref font = assets.join("FiraSans-Regular.ttf");
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_font`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:48:26
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `tile_bomb_values`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     tile_bomb_values: [[u32; NUM_TILES as usize]; NUM_TILES as usize],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.89s
[INFO] running `"docker" "inspect" "809f927da7d45aec2724fd8e773f98e114aab814929b9a03398454632ca6fa35"`
[INFO] running `"docker" "rm" "-f" "809f927da7d45aec2724fd8e773f98e114aab814929b9a03398454632ca6fa35"`
[INFO] [stdout] 809f927da7d45aec2724fd8e773f98e114aab814929b9a03398454632ca6fa35