[INFO] cloning repository https://github.com/strangelovephd/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/strangelovephd/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrangelovephd%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrangelovephd%2Fminesweeper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9ebc94507a558f3c8f62f0ad5a29af86bbf794e3 [INFO] checking strangelovephd/minesweeper against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrangelovephd%2Fminesweeper" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/strangelovephd/minesweeper on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/strangelovephd/minesweeper [INFO] finished tweaking git repo https://github.com/strangelovephd/minesweeper [INFO] tweaked toml for git repo https://github.com/strangelovephd/minesweeper written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/strangelovephd/minesweeper already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded piston2d-graphics v0.30.0 [INFO] [stderr] Downloaded piston2d-opengl_graphics v0.59.0 [INFO] [stderr] Downloaded pistoncore-glutin_window v0.52.0 [INFO] [stderr] Downloaded pistoncore-window v0.35.0 [INFO] [stderr] Downloaded pistoncore-event_loop v0.40.0 [INFO] [stderr] Downloaded piston v0.40.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7722725f57a8552bde66f2cb0c312abe5523aa4d191deaf1783392d1d1d91c01 [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" "7722725f57a8552bde66f2cb0c312abe5523aa4d191deaf1783392d1d1d91c01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7722725f57a8552bde66f2cb0c312abe5523aa4d191deaf1783392d1d1d91c01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7722725f57a8552bde66f2cb0c312abe5523aa4d191deaf1783392d1d1d91c01", kill_on_drop: false }` [INFO] [stdout] 7722725f57a8552bde66f2cb0c312abe5523aa4d191deaf1783392d1d1d91c01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 4e8f32598b712ee140ab67ae97d244e5e348ed8a6b7a698c802adec85d94503d [INFO] running `Command { std: "docker" "start" "-a" "4e8f32598b712ee140ab67ae97d244e5e348ed8a6b7a698c802adec85d94503d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking piston-float v0.3.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling serde v1.0.87 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking downcast-rs v1.0.3 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Checking shader_version v0.3.0 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking piston-texture v0.6.0 [INFO] [stderr] Checking safe-transmute v0.10.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking read_color v1.0.0 [INFO] [stderr] Checking interpolation v0.2.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking piston-shaders_graphics2d v0.3.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.2 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking piston-viewport v0.5.0 [INFO] [stderr] Checking vecmath v0.3.1 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking inflate v0.4.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking smallvec v0.6.8 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking nix v0.12.0 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking wayland-sys v0.21.11 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Compiling wayland-scanner v0.21.11 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking ordered-float v1.0.1 [INFO] [stderr] Checking approx v0.3.1 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Compiling glutin v0.19.0 [INFO] [stderr] Checking rusttype v0.7.4 [INFO] [stderr] Checking png v0.14.0 [INFO] [stderr] Checking andrew v0.1.6 [INFO] [stderr] Checking piston2d-graphics v0.30.0 [INFO] [stderr] Compiling wayland-client v0.21.11 [INFO] [stderr] Compiling wayland-protocols v0.21.11 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Compiling serde_derive v1.0.87 [INFO] [stderr] Compiling num-derive v0.2.4 [INFO] [stderr] Checking wayland-commons v0.21.11 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking image v0.21.0 [INFO] [stderr] Checking pistoncore-input v0.23.0 [INFO] [stderr] Checking piston2d-opengl_graphics v0.59.0 [INFO] [stderr] Checking smithay-client-toolkit v0.4.4 [INFO] [stderr] Checking pistoncore-window v0.35.0 [INFO] [stderr] Checking pistoncore-event_loop v0.40.0 [INFO] [stderr] Checking piston v0.40.0 [INFO] [stderr] Checking winit v0.18.1 [INFO] [stderr] Checking pistoncore-glutin_window v0.52.0 [INFO] [stderr] Checking minesweeper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `temp_val` [INFO] [stdout] --> src/minesweeper.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | let temp_val: i32 = index as i32; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_val` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/minesweeper_controller.rs:27:46 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/minesweeper_controller.rs:27:61 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/minesweeper_controller.rs:27:72 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let mut minesweeper_controller = MinesweeperController::new(minesweeper); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Intermediate` [INFO] [stdout] --> src/minesweeper.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | Intermediate, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Expert` [INFO] [stdout] --> src/minesweeper.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | Expert, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `init` [INFO] [stdout] --> src/minesweeper.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn init(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Open` [INFO] [stdout] --> src/minesweeper.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | Open(u8), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/minesweeper.rs:106:12 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn new() -> Cell { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `toggle` [INFO] [stdout] --> src/minesweeper.rs:115:12 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn toggle(&mut self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `event` [INFO] [stdout] --> src/minesweeper_controller.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `temp_val` [INFO] [stdout] --> src/minesweeper.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | let temp_val: i32 = index as i32; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_val` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/minesweeper_controller.rs:27:46 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/minesweeper_controller.rs:27:61 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/minesweeper_controller.rs:27:72 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let mut minesweeper_controller = MinesweeperController::new(minesweeper); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Intermediate` [INFO] [stdout] --> src/minesweeper.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | Intermediate, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Expert` [INFO] [stdout] --> src/minesweeper.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | Expert, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `init` [INFO] [stdout] --> src/minesweeper.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn init(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Open` [INFO] [stdout] --> src/minesweeper.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | Open(u8), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/minesweeper.rs:106:12 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn new() -> Cell { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `toggle` [INFO] [stdout] --> src/minesweeper.rs:115:12 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn toggle(&mut self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `event` [INFO] [stdout] --> src/minesweeper_controller.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn event(&mut self, pos: [f64; 2], size: f64, e: &E) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 06s [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4e8f32598b712ee140ab67ae97d244e5e348ed8a6b7a698c802adec85d94503d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e8f32598b712ee140ab67ae97d244e5e348ed8a6b7a698c802adec85d94503d", kill_on_drop: false }` [INFO] [stdout] 4e8f32598b712ee140ab67ae97d244e5e348ed8a6b7a698c802adec85d94503d