[INFO] cloning repository https://github.com/xumarcus/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xumarcus/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxumarcus%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxumarcus%2Fminesweeper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e0a6e215d07071c5702b8888c8d25f13c095b197 [INFO] checking xumarcus/minesweeper against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxumarcus%2Fminesweeper" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xumarcus/minesweeper on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xumarcus/minesweeper [INFO] finished tweaking git repo https://github.com/xumarcus/minesweeper [INFO] tweaked toml for git repo https://github.com/xumarcus/minesweeper written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/xumarcus/minesweeper already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9fa9ba9be6daa6f50afcf973e409db748b292d022aba6f8fcd06a870108a83e9 [INFO] running `Command { std: "docker" "start" "-a" "9fa9ba9be6daa6f50afcf973e409db748b292d022aba6f8fcd06a870108a83e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9fa9ba9be6daa6f50afcf973e409db748b292d022aba6f8fcd06a870108a83e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fa9ba9be6daa6f50afcf973e409db748b292d022aba6f8fcd06a870108a83e9", kill_on_drop: false }` [INFO] [stdout] 9fa9ba9be6daa6f50afcf973e409db748b292d022aba6f8fcd06a870108a83e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e4781927292a0ce674a960887a8eae72eb02ad55fa13b520a1cc66a9e1f98eb [INFO] running `Command { std: "docker" "start" "-a" "6e4781927292a0ce674a960887a8eae72eb02ad55fa13b520a1cc66a9e1f98eb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling radium v0.6.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking funty v1.2.0 [INFO] [stderr] Checking wyz v0.4.0 [INFO] [stderr] Checking noisy_float v0.2.0 [INFO] [stderr] Checking arrayvec v0.7.1 [INFO] [stderr] Checking strum v0.21.0 [INFO] [stderr] Checking bitvec v0.22.3 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking simple_logger v1.11.0 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling strum_macros v0.21.1 [INFO] [stderr] Checking thiserror v1.0.25 [INFO] [stderr] Checking minesweeper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `config` is never read [INFO] [stdout] --> src/solve.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Solver { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 22 | config: Config, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Solver` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/solve.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | drop(x); [INFO] [stdout] | ^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(NoisyFloat, usize)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 204 - drop(x); [INFO] [stdout] 204 + let _ = x; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `config` is never read [INFO] [stdout] --> src/solve.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Solver { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 22 | config: Config, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Solver` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/solve.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | drop(x); [INFO] [stdout] | ^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(NoisyFloat, usize)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 204 - drop(x); [INFO] [stdout] 204 + let _ = x; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.33s [INFO] running `Command { std: "docker" "inspect" "6e4781927292a0ce674a960887a8eae72eb02ad55fa13b520a1cc66a9e1f98eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e4781927292a0ce674a960887a8eae72eb02ad55fa13b520a1cc66a9e1f98eb", kill_on_drop: false }` [INFO] [stdout] 6e4781927292a0ce674a960887a8eae72eb02ad55fa13b520a1cc66a9e1f98eb [INFO] checking xumarcus/minesweeper against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxumarcus%2Fminesweeper" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xumarcus/minesweeper on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xumarcus/minesweeper [INFO] finished tweaking git repo https://github.com/xumarcus/minesweeper [INFO] tweaked toml for git repo https://github.com/xumarcus/minesweeper written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/xumarcus/minesweeper already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] daca40ac7a510a525da9ef110b77618759f5b2f9fbd45f37307d9b3643d0c4e8 [INFO] running `Command { std: "docker" "start" "-a" "daca40ac7a510a525da9ef110b77618759f5b2f9fbd45f37307d9b3643d0c4e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "daca40ac7a510a525da9ef110b77618759f5b2f9fbd45f37307d9b3643d0c4e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "daca40ac7a510a525da9ef110b77618759f5b2f9fbd45f37307d9b3643d0c4e8", kill_on_drop: false }` [INFO] [stdout] daca40ac7a510a525da9ef110b77618759f5b2f9fbd45f37307d9b3643d0c4e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a6e38d95f85aca99cf0a4456ee52312cd725ddd356f74baec26bc89c621bf820 [INFO] running `Command { std: "docker" "start" "-a" "a6e38d95f85aca99cf0a4456ee52312cd725ddd356f74baec26bc89c621bf820", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling radium v0.6.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking funty v1.2.0 [INFO] [stderr] Checking wyz v0.4.0 [INFO] [stderr] Checking noisy_float v0.2.0 [INFO] [stderr] Checking arrayvec v0.7.1 [INFO] [stderr] Checking strum v0.21.0 [INFO] [stderr] Checking bitvec v0.22.3 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking simple_logger v1.11.0 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling strum_macros v0.21.1 [INFO] [stderr] Checking thiserror v1.0.25 [INFO] [stderr] Checking minesweeper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `config` is never read [INFO] [stdout] --> src/solve.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Solver { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 22 | config: Config, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Solver` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `config` is never read [INFO] [stdout] --> src/solve.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Solver { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 22 | config: Config, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Solver` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/solve.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | drop(x); [INFO] [stdout] | ^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(NoisyFloat, usize)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 204 - drop(x); [INFO] [stdout] 204 + let _ = x; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/solve.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | drop(x); [INFO] [stdout] | ^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(NoisyFloat, usize)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 204 - drop(x); [INFO] [stdout] 204 + let _ = x; [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` profile [unoptimized + debuginfo] target(s) in 11.37s [INFO] running `Command { std: "docker" "inspect" "a6e38d95f85aca99cf0a4456ee52312cd725ddd356f74baec26bc89c621bf820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6e38d95f85aca99cf0a4456ee52312cd725ddd356f74baec26bc89c621bf820", kill_on_drop: false }` [INFO] [stdout] a6e38d95f85aca99cf0a4456ee52312cd725ddd356f74baec26bc89c621bf820