[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] testing aricasas/minesweeper against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faricasas%2Fminesweeper" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aricasas/minesweeper on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37bfa4343b17d4797a342752591c78f5cc0c7c519cda409d4e1f12f8735db929
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "37bfa4343b17d4797a342752591c78f5cc0c7c519cda409d4e1f12f8735db929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37bfa4343b17d4797a342752591c78f5cc0c7c519cda409d4e1f12f8735db929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37bfa4343b17d4797a342752591c78f5cc0c7c519cda409d4e1f12f8735db929", kill_on_drop: false }`
[INFO] [stdout] 37bfa4343b17d4797a342752591c78f5cc0c7c519cda409d4e1f12f8735db929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc5ec530102edd8a6f550655261ffe8e3f72e77bab7c3baa3069d29d4f2f091c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc5ec530102edd8a6f550655261ffe8e3f72e77bab7c3baa3069d29d4f2f091c", kill_on_drop: false }`
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling 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: 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 4.30s
[INFO] running `Command { std: "docker" "inspect" "cc5ec530102edd8a6f550655261ffe8e3f72e77bab7c3baa3069d29d4f2f091c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5ec530102edd8a6f550655261ffe8e3f72e77bab7c3baa3069d29d4f2f091c", kill_on_drop: false }`
[INFO] [stdout] cc5ec530102edd8a6f550655261ffe8e3f72e77bab7c3baa3069d29d4f2f091c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a982b71a4bad2788a0355351ae91fd7d90790748dae8490a662221dbc19cb94
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4a982b71a4bad2788a0355351ae91fd7d90790748dae8490a662221dbc19cb94", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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 test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "4a982b71a4bad2788a0355351ae91fd7d90790748dae8490a662221dbc19cb94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a982b71a4bad2788a0355351ae91fd7d90790748dae8490a662221dbc19cb94", kill_on_drop: false }`
[INFO] [stdout] 4a982b71a4bad2788a0355351ae91fd7d90790748dae8490a662221dbc19cb94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98ec293737b0a26c7375a8b414a2464628108596c6c306ae9aab27f6f36b4be3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "98ec293737b0a26c7375a8b414a2464628108596c6c306ae9aab27f6f36b4be3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `protected_x`
[INFO] [stderr]   --> src/minefield.rs:49:31
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn create_new_mine_layout(protected_x: u8, protected_y: u8) -> [usize; 30] {
[INFO] [stderr]    |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protected_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `protected_y`
[INFO] [stderr]   --> src/minefield.rs:49:48
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn create_new_mine_layout(protected_x: u8, protected_y: u8) -> [usize; 30] {
[INFO] [stderr]    |                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protected_y`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Mines`
[INFO] [stderr]  --> src/cells.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Mines(u8),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MissedMine`
[INFO] [stderr]  --> src/cells.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     MissedMine,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BadFlag`
[INFO] [stderr]   --> src/cells.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     BadFlag,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `create_new_mine_layout`
[INFO] [stderr]   --> src/minefield.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn create_new_mine_layout(protected_x: u8, protected_y: u8) -> [usize; 30] {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minesweeper-92b9eef8999f38c2
[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 `Command { std: "docker" "inspect" "98ec293737b0a26c7375a8b414a2464628108596c6c306ae9aab27f6f36b4be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ec293737b0a26c7375a8b414a2464628108596c6c306ae9aab27f6f36b4be3", kill_on_drop: false }`
[INFO] [stdout] 98ec293737b0a26c7375a8b414a2464628108596c6c306ae9aab27f6f36b4be3