[INFO] cloning repository https://github.com/jakeec/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c5b73ef1a3098b82dd3a54f6dd564ae1abff13ff [INFO] testing jakeec/minesweeper against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Fminesweeper" "/workspace/builds/worker-33/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakeec/minesweeper on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jakeec/minesweeper [INFO] finished tweaking git repo https://github.com/jakeec/minesweeper [INFO] tweaked toml for git repo https://github.com/jakeec/minesweeper written to /workspace/builds/worker-33/source/Cargo.toml [INFO] crate git repo https://github.com/jakeec/minesweeper already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c0fec5a8f6c28f6e1ed6767e0a53138db95842decffe6a3d7b7c281cb9a95225 [INFO] running `Command { std: "docker" "start" "-a" "c0fec5a8f6c28f6e1ed6767e0a53138db95842decffe6a3d7b7c281cb9a95225", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c0fec5a8f6c28f6e1ed6767e0a53138db95842decffe6a3d7b7c281cb9a95225", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0fec5a8f6c28f6e1ed6767e0a53138db95842decffe6a3d7b7c281cb9a95225", kill_on_drop: false }` [INFO] [stdout] c0fec5a8f6c28f6e1ed6767e0a53138db95842decffe6a3d7b7c281cb9a95225 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e650f003453553288dd1dca3587d63ddb9ea030022ebd6fa5d1a1f9810ff0450 [INFO] running `Command { std: "docker" "start" "-a" "e650f003453553288dd1dca3587d63ddb9ea030022ebd6fa5d1a1f9810ff0450", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling getch v0.2.1 [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: unused import: `std::io::Stdin` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Stdin; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | Err(err) => None, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/minesweeper.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | for x in 0..dimensions.x { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/minesweeper.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | for y in 0..dimensions.y { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Win` [INFO] [stdout] --> src/minesweeper.rs:127:5 [INFO] [stdout] | [INFO] [stdout] 127 | Win, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | stdin.read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/minesweeper.rs:207:25 [INFO] [stdout] | [INFO] [stdout] 207 | / match revealed { [INFO] [stdout] 208 | | HiddenState::Hidden => write!(&mut stdout, "⬜ "), [INFO] [stdout] 209 | | HiddenState::Flagged => write!(&mut stdout, "🚩 "), [INFO] [stdout] 210 | | HiddenState::Revealed => match state { [INFO] [stdout] ... | [INFO] [stdout] 214 | | }, [INFO] [stdout] 215 | | }; [INFO] [stdout] | |__________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 00s [INFO] running `Command { std: "docker" "inspect" "e650f003453553288dd1dca3587d63ddb9ea030022ebd6fa5d1a1f9810ff0450", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e650f003453553288dd1dca3587d63ddb9ea030022ebd6fa5d1a1f9810ff0450", kill_on_drop: false }` [INFO] [stdout] e650f003453553288dd1dca3587d63ddb9ea030022ebd6fa5d1a1f9810ff0450 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c463d1c7f9d00cb17e155a5318b3ee9a604a4c6da59ef1548ee0230f4d680591 [INFO] running `Command { std: "docker" "start" "-a" "c463d1c7f9d00cb17e155a5318b3ee9a604a4c6da59ef1548ee0230f4d680591", kill_on_drop: false }` [INFO] [stderr] Compiling minesweeper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Stdin` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Stdin; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | Err(err) => None, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/minesweeper.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | for x in 0..dimensions.x { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/minesweeper.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | for y in 0..dimensions.y { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Win` [INFO] [stdout] --> src/minesweeper.rs:127:5 [INFO] [stdout] | [INFO] [stdout] 127 | Win, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | stdin.read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/minesweeper.rs:207:25 [INFO] [stdout] | [INFO] [stdout] 207 | / match revealed { [INFO] [stdout] 208 | | HiddenState::Hidden => write!(&mut stdout, "⬜ "), [INFO] [stdout] 209 | | HiddenState::Flagged => write!(&mut stdout, "🚩 "), [INFO] [stdout] 210 | | HiddenState::Revealed => match state { [INFO] [stdout] ... | [INFO] [stdout] 214 | | }, [INFO] [stdout] 215 | | }; [INFO] [stdout] | |__________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "c463d1c7f9d00cb17e155a5318b3ee9a604a4c6da59ef1548ee0230f4d680591", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c463d1c7f9d00cb17e155a5318b3ee9a604a4c6da59ef1548ee0230f4d680591", kill_on_drop: false }` [INFO] [stdout] c463d1c7f9d00cb17e155a5318b3ee9a604a4c6da59ef1548ee0230f4d680591 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1c157ca6c707d1debec5f23f760bb048e4ecf208a9f4058e2c73c263f2aa36af [INFO] running `Command { std: "docker" "start" "-a" "1c157ca6c707d1debec5f23f760bb048e4ecf208a9f4058e2c73c263f2aa36af", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::io::Stdin` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::Stdin; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:8:13 [INFO] [stderr] | [INFO] [stderr] 8 | Err(err) => None, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/minesweeper.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | for x in 0..dimensions.x { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/minesweeper.rs:44:17 [INFO] [stderr] | [INFO] [stderr] 44 | for y in 0..dimensions.y { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Win` [INFO] [stderr] --> src/minesweeper.rs:127:5 [INFO] [stderr] | [INFO] [stderr] 127 | Win, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | stdin.read_line(&mut input); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/minesweeper.rs:207:25 [INFO] [stderr] | [INFO] [stderr] 207 | / match revealed { [INFO] [stderr] 208 | | HiddenState::Hidden => write!(&mut stdout, "⬜ "), [INFO] [stderr] 209 | | HiddenState::Flagged => write!(&mut stdout, "🚩 "), [INFO] [stderr] 210 | | HiddenState::Revealed => match state { [INFO] [stderr] ... | [INFO] [stderr] 214 | | }, [INFO] [stderr] 215 | | }; [INFO] [stderr] | |__________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `minesweeper` (bin "minesweeper" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/minesweeper-ea1f197ec8006d88) [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" "1c157ca6c707d1debec5f23f760bb048e4ecf208a9f4058e2c73c263f2aa36af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c157ca6c707d1debec5f23f760bb048e4ecf208a9f4058e2c73c263f2aa36af", kill_on_drop: false }` [INFO] [stdout] 1c157ca6c707d1debec5f23f760bb048e4ecf208a9f4058e2c73c263f2aa36af