[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] checking pepone42/minesweeper against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepone42%2Fminesweeper" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pepone42/minesweeper on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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-6/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" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blake2b_simd v0.5.7
[INFO] [stderr]   Downloaded rustyline v5.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef06050b016c9c8752310f3d57793cc8ecc157c0e8fbc0a6c65dbd292dd12d82
[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" "ef06050b016c9c8752310f3d57793cc8ecc157c0e8fbc0a6c65dbd292dd12d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef06050b016c9c8752310f3d57793cc8ecc157c0e8fbc0a6c65dbd292dd12d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef06050b016c9c8752310f3d57793cc8ecc157c0e8fbc0a6c65dbd292dd12d82", kill_on_drop: false }`
[INFO] [stdout] ef06050b016c9c8752310f3d57793cc8ecc157c0e8fbc0a6c65dbd292dd12d82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--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] 0adca136c5d1b627003be7ce5465be9248e00306ce7d3c34a7e8e41eb1ddb11b
[INFO] running `Command { std: "docker" "start" "-a" "0adca136c5d1b627003be7ce5465be9248e00306ce7d3c34a7e8e41eb1ddb11b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking getrandom v0.1.11
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking rustyline v5.0.2
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.61s
[INFO] running `Command { std: "docker" "inspect" "0adca136c5d1b627003be7ce5465be9248e00306ce7d3c34a7e8e41eb1ddb11b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0adca136c5d1b627003be7ce5465be9248e00306ce7d3c34a7e8e41eb1ddb11b", kill_on_drop: false }`
[INFO] [stdout] 0adca136c5d1b627003be7ce5465be9248e00306ce7d3c34a7e8e41eb1ddb11b