[INFO] cloning repository https://github.com/pepone42/minesweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pepone42/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepone42%2Fminesweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepone42%2Fminesweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07d4413426c90c5ed81c444d5760b3fac2fbdb51
[INFO] testing pepone42/minesweeper against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepone42%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/pepone42/minesweeper on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pepone42/minesweeper
[INFO] finished tweaking git repo https://github.com/pepone42/minesweeper
[INFO] tweaked toml for git repo https://github.com/pepone42/minesweeper written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/pepone42/minesweeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded constant_time_eq v0.1.4
[INFO] [stderr]   Downloaded redox_users v0.3.1
[INFO] [stderr]   Downloaded backtrace v0.3.35
[INFO] [stderr]   Downloaded rust-argon2 v0.5.1
[INFO] [stderr]   Downloaded blake2b_simd v0.5.7
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded rustyline v5.0.2
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded cc v1.0.40
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] 87f83386fed40353bfbed618bad1e843dceff6aa9c0a30473461e8906f3e35dd
[INFO] running `Command { std: "docker" "start" "-a" "87f83386fed40353bfbed618bad1e843dceff6aa9c0a30473461e8906f3e35dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87f83386fed40353bfbed618bad1e843dceff6aa9c0a30473461e8906f3e35dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f83386fed40353bfbed618bad1e843dceff6aa9c0a30473461e8906f3e35dd", kill_on_drop: false }`
[INFO] [stdout] 87f83386fed40353bfbed618bad1e843dceff6aa9c0a30473461e8906f3e35dd
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 872c8dd704d1127d771c1e2ecd6755a09a3c84cd5c33f30c69272f55d74971b0
[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" "872c8dd704d1127d771c1e2ecd6755a09a3c84cd5c33f30c69272f55d74971b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling rustyline v5.0.2
[INFO] [stderr]    Compiling mine2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/towdarray.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn set(&mut self, x: usize, y: usize, value: T) {
[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: `point_to_position`
[INFO] [stdout]   --> src/towdarray.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn point_to_position(&self, x: usize, y: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.11s
[INFO] running `Command { std: "docker" "inspect" "872c8dd704d1127d771c1e2ecd6755a09a3c84cd5c33f30c69272f55d74971b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872c8dd704d1127d771c1e2ecd6755a09a3c84cd5c33f30c69272f55d74971b0", kill_on_drop: false }`
[INFO] [stdout] 872c8dd704d1127d771c1e2ecd6755a09a3c84cd5c33f30c69272f55d74971b0
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", 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] 9a28ab33e4c5fe6dfc888f8dceca7c24feb08d0a374987079d19dc707d8c34a6
[INFO] running `Command { std: "docker" "start" "-a" "9a28ab33e4c5fe6dfc888f8dceca7c24feb08d0a374987079d19dc707d8c34a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling mine2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/towdarray.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn set(&mut self, x: usize, y: usize, value: T) {
[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: `point_to_position`
[INFO] [stdout]   --> src/towdarray.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn point_to_position(&self, x: usize, y: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "9a28ab33e4c5fe6dfc888f8dceca7c24feb08d0a374987079d19dc707d8c34a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a28ab33e4c5fe6dfc888f8dceca7c24feb08d0a374987079d19dc707d8c34a6", kill_on_drop: false }`
[INFO] [stdout] 9a28ab33e4c5fe6dfc888f8dceca7c24feb08d0a374987079d19dc707d8c34a6
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] df36f9e543ed2ec32e7fbd58910c97a084d814922c38e8f789f862f3256a2945
[INFO] running `Command { std: "docker" "start" "-a" "df36f9e543ed2ec32e7fbd58910c97a084d814922c38e8f789f862f3256a2945", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/towdarray.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn set(&mut self, x: usize, y: usize, value: T) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `point_to_position`
[INFO] [stderr]   --> src/towdarray.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn point_to_position(&self, x: usize, y: usize) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mine2` (bin "mine2" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mine2-36b489efff6c065a)
[INFO] [stdout] 
[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" "df36f9e543ed2ec32e7fbd58910c97a084d814922c38e8f789f862f3256a2945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df36f9e543ed2ec32e7fbd58910c97a084d814922c38e8f789f862f3256a2945", kill_on_drop: false }`
[INFO] [stdout] df36f9e543ed2ec32e7fbd58910c97a084d814922c38e8f789f862f3256a2945