[INFO] cloning repository https://github.com/aricasas/minesweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aricasas/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faricasas%2Fminesweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faricasas%2Fminesweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9483add5f220de7c2f76bda63767f36a68cc76d6
[INFO] checking aricasas/minesweeper against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faricasas%2Fminesweeper" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aricasas/minesweeper on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aricasas/minesweeper
[INFO] finished tweaking git repo https://github.com/aricasas/minesweeper
[INFO] tweaked toml for git repo https://github.com/aricasas/minesweeper written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/aricasas/minesweeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3ae4af617dc707a0f83eb40ac9b427563651d4ea9a42a0c783caee4a7c9c050
[INFO] running `Command { std: "docker" "start" "-a" "d3ae4af617dc707a0f83eb40ac9b427563651d4ea9a42a0c783caee4a7c9c050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3ae4af617dc707a0f83eb40ac9b427563651d4ea9a42a0c783caee4a7c9c050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3ae4af617dc707a0f83eb40ac9b427563651d4ea9a42a0c783caee4a7c9c050", kill_on_drop: false }`
[INFO] [stdout] d3ae4af617dc707a0f83eb40ac9b427563651d4ea9a42a0c783caee4a7c9c050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 524e90b685caa431b7a91c3d2fe5268f2564fb8ae97c63eb2526eb09fd258584
[INFO] running `Command { std: "docker" "start" "-a" "524e90b685caa431b7a91c3d2fe5268f2564fb8ae97c63eb2526eb09fd258584", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `protected_x`
[INFO] [stdout]   --> src/minefield.rs:49:31
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn create_new_mine_layout(protected_x: u8, protected_y: u8) -> [usize; 30] {
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protected_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `protected_y`
[INFO] [stdout]   --> src/minefield.rs:49:48
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn create_new_mine_layout(protected_x: u8, protected_y: u8) -> [usize; 30] {
[INFO] [stdout]    |                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protected_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `protected_x`
[INFO] [stdout]   --> src/minefield.rs:49:31
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn create_new_mine_layout(protected_x: u8, protected_y: u8) -> [usize; 30] {
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protected_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `protected_y`
[INFO] [stdout]   --> src/minefield.rs:49:48
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn create_new_mine_layout(protected_x: u8, protected_y: u8) -> [usize; 30] {
[INFO] [stdout]    |                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protected_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mines`
[INFO] [stdout]  --> src/cells.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Mines(u8),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MissedMine`
[INFO] [stdout]  --> src/cells.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     MissedMine,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadFlag`
[INFO] [stdout]   --> src/cells.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     BadFlag,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_new_mine_layout`
[INFO] [stdout]   --> src/minefield.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn create_new_mine_layout(protected_x: u8, protected_y: u8) -> [usize; 30] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mines`
[INFO] [stdout]  --> src/cells.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Mines(u8),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MissedMine`
[INFO] [stdout]  --> src/cells.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     MissedMine,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadFlag`
[INFO] [stdout]   --> src/cells.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     BadFlag,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_new_mine_layout`
[INFO] [stdout]   --> src/minefield.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn create_new_mine_layout(protected_x: u8, protected_y: u8) -> [usize; 30] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "524e90b685caa431b7a91c3d2fe5268f2564fb8ae97c63eb2526eb09fd258584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524e90b685caa431b7a91c3d2fe5268f2564fb8ae97c63eb2526eb09fd258584", kill_on_drop: false }`
[INFO] [stdout] 524e90b685caa431b7a91c3d2fe5268f2564fb8ae97c63eb2526eb09fd258584