[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] fbd498e81497e34574fe987f50b8bc4a3fc7cbc0
[INFO] testing aricasas/minesweeper against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faricasas%2Fminesweeper" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aricasas/minesweeper on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-8/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a26e1af2a2915591d0bdb48b1df73be1d5bda3728e25cf1a00dc97303f8005e1
[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" "a26e1af2a2915591d0bdb48b1df73be1d5bda3728e25cf1a00dc97303f8005e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a26e1af2a2915591d0bdb48b1df73be1d5bda3728e25cf1a00dc97303f8005e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26e1af2a2915591d0bdb48b1df73be1d5bda3728e25cf1a00dc97303f8005e1", kill_on_drop: false }`
[INFO] [stdout] a26e1af2a2915591d0bdb48b1df73be1d5bda3728e25cf1a00dc97303f8005e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 016f73369776f98f79b882b5fc10ad619c657c17bd57225b591bf84816166abd
[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" "016f73369776f98f79b882b5fc10ad619c657c17bd57225b591bf84816166abd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[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:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     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:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     MissedMine,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadFlag`
[INFO] [stdout]  --> src/cells.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     BadFlag,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `uncover`
[INFO] [stdout]   --> src/cells.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn uncover(&self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `uncover_surroundings`
[INFO] [stdout]   --> src/cells.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn uncover_surroundings(&self) {
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "016f73369776f98f79b882b5fc10ad619c657c17bd57225b591bf84816166abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016f73369776f98f79b882b5fc10ad619c657c17bd57225b591bf84816166abd", kill_on_drop: false }`
[INFO] [stdout] 016f73369776f98f79b882b5fc10ad619c657c17bd57225b591bf84816166abd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc036642f628e6329771e432b725690e3ecebff34dcc845e7f28b933b6d66ba0
[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" "dc036642f628e6329771e432b725690e3ecebff34dcc845e7f28b933b6d66ba0", 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:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     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:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     MissedMine,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadFlag`
[INFO] [stdout]  --> src/cells.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     BadFlag,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `uncover`
[INFO] [stdout]   --> src/cells.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn uncover(&self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `uncover_surroundings`
[INFO] [stdout]   --> src/cells.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn uncover_surroundings(&self) {
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "dc036642f628e6329771e432b725690e3ecebff34dcc845e7f28b933b6d66ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc036642f628e6329771e432b725690e3ecebff34dcc845e7f28b933b6d66ba0", kill_on_drop: false }`
[INFO] [stdout] dc036642f628e6329771e432b725690e3ecebff34dcc845e7f28b933b6d66ba0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56ef8a0cc3c3c9da9fe9c3de0533b8567b11d1f1e8f6d87559fe6d424dd80084
[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" "56ef8a0cc3c3c9da9fe9c3de0533b8567b11d1f1e8f6d87559fe6d424dd80084", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `protected_x`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/minefield.rs:49:31
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 49 |     fn create_new_mine_layout(protected_x: u8, protected_y: u8) -> [usize; 30] {
[INFO] [stdout] 
[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:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     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:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     MissedMine,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BadFlag`
[INFO] [stderr]  --> src/cells.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     BadFlag,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `uncover`
[INFO] [stderr]   --> src/cells.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn uncover(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `uncover_surroundings`
[INFO] [stderr]   --> src/cells.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn uncover_surroundings(&self) {
[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: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minesweeper-11b293e9e564827e
[INFO] running `Command { std: "docker" "inspect" "56ef8a0cc3c3c9da9fe9c3de0533b8567b11d1f1e8f6d87559fe6d424dd80084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ef8a0cc3c3c9da9fe9c3de0533b8567b11d1f1e8f6d87559fe6d424dd80084", kill_on_drop: false }`
[INFO] [stdout] 56ef8a0cc3c3c9da9fe9c3de0533b8567b11d1f1e8f6d87559fe6d424dd80084
