[INFO] cloning repository https://github.com/GlitchyCat/minesweeper-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GlitchyCat/minesweeper-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlitchyCat%2Fminesweeper-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlitchyCat%2Fminesweeper-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 186a61cd0f108198c7658a644a3b3e49d11a6301
[INFO] testing GlitchyCat/minesweeper-rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlitchyCat%2Fminesweeper-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GlitchyCat/minesweeper-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GlitchyCat/minesweeper-rust
[INFO] finished tweaking git repo https://github.com/GlitchyCat/minesweeper-rust
[INFO] tweaked toml for git repo https://github.com/GlitchyCat/minesweeper-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/GlitchyCat/minesweeper-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ff8a6ef649d203351ae9966175a5cac839e630fb8d9f6e2a0daeacdcf9e2d7a5
[INFO] running `Command { std: "docker" "start" "-a" "ff8a6ef649d203351ae9966175a5cac839e630fb8d9f6e2a0daeacdcf9e2d7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff8a6ef649d203351ae9966175a5cac839e630fb8d9f6e2a0daeacdcf9e2d7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8a6ef649d203351ae9966175a5cac839e630fb8d9f6e2a0daeacdcf9e2d7a5", kill_on_drop: false }`
[INFO] [stdout] ff8a6ef649d203351ae9966175a5cac839e630fb8d9f6e2a0daeacdcf9e2d7a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e65624f8c9bee76fe22004eee5e05ea96b5454a2828ec27dca96b13cb59b6f7c
[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" "e65624f8c9bee76fe22004eee5e05ea96b5454a2828ec27dca96b13cb59b6f7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `exploded_mine_pos`
[INFO] [stdout]   --> src/controller.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn exploded_mine_pos(&self) -> Option<(u32, u32)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `num_correctly_flagged`
[INFO] [stdout]   --> src/controller.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn num_correctly_flagged(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `num_flagged`
[INFO] [stdout]    --> src/model.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn num_flagged(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.30s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e65624f8c9bee76fe22004eee5e05ea96b5454a2828ec27dca96b13cb59b6f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e65624f8c9bee76fe22004eee5e05ea96b5454a2828ec27dca96b13cb59b6f7c", kill_on_drop: false }`
[INFO] [stdout] e65624f8c9bee76fe22004eee5e05ea96b5454a2828ec27dca96b13cb59b6f7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86eaee378e365669048d0d1529cfb26cc6b8eb383cfdb7bd1746ee6a4232a8f8
[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" "86eaee378e365669048d0d1529cfb26cc6b8eb383cfdb7bd1746ee6a4232a8f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `exploded_mine_pos`
[INFO] [stdout]   --> src/controller.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn exploded_mine_pos(&self) -> Option<(u32, u32)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `num_correctly_flagged`
[INFO] [stdout]   --> src/controller.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn num_correctly_flagged(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `num_flagged`
[INFO] [stdout]    --> src/model.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn num_flagged(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "86eaee378e365669048d0d1529cfb26cc6b8eb383cfdb7bd1746ee6a4232a8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86eaee378e365669048d0d1529cfb26cc6b8eb383cfdb7bd1746ee6a4232a8f8", kill_on_drop: false }`
[INFO] [stdout] 86eaee378e365669048d0d1529cfb26cc6b8eb383cfdb7bd1746ee6a4232a8f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c5ecc968ff5b4a92092c7c587781d6b81a2f1322dc22592cb421f1800bbab5f
[INFO] running `Command { std: "docker" "start" "-a" "9c5ecc968ff5b4a92092c7c587781d6b81a2f1322dc22592cb421f1800bbab5f", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `exploded_mine_pos`
[INFO] [stderr]   --> src/controller.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn exploded_mine_pos(&self) -> Option<(u32, u32)> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `num_correctly_flagged`
[INFO] [stderr]   --> src/controller.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn num_correctly_flagged(&self) -> u32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `num_flagged`
[INFO] [stderr]    --> src/model.rs:101:12
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn num_flagged(&self) -> u32 {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minesweeper-26c99b07337a7da7
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c5ecc968ff5b4a92092c7c587781d6b81a2f1322dc22592cb421f1800bbab5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c5ecc968ff5b4a92092c7c587781d6b81a2f1322dc22592cb421f1800bbab5f", kill_on_drop: false }`
[INFO] [stdout] 9c5ecc968ff5b4a92092c7c587781d6b81a2f1322dc22592cb421f1800bbab5f