[INFO] cloning repository smalois/rust-mine [INFO] running `"git" "clone" "--bare" "git://github.com/smalois/rust-mine.git" "work/cache/sources/gh/smalois/rust-mine"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/smalois/rust-mine'... [INFO] running `"git" "clone" "work/cache/sources/gh/smalois/rust-mine" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/smalois/rust-mine"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/smalois/rust-mine'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/smalois/rust-mine" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/smalois/rust-mine"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/smalois/rust-mine'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e45ec80e4fa5ccc982c7bd856041e10d01a2d7ad [INFO] sha for GitHub repo smalois/rust-mine: e45ec80e4fa5ccc982c7bd856041e10d01a2d7ad [INFO] validating manifest of smalois/rust-mine on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of smalois/rust-mine on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing smalois/rust-mine [INFO] finished frobbing smalois/rust-mine [INFO] frobbed toml for smalois/rust-mine written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/smalois/rust-mine/Cargo.toml [INFO] started frobbing smalois/rust-mine [INFO] finished frobbing smalois/rust-mine [INFO] frobbed toml for smalois/rust-mine written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/smalois/rust-mine/Cargo.toml [INFO] crate smalois/rust-mine already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking smalois/rust-mine against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-1/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/smalois/rust-mine:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ae8b3826182d3589b00320693c0a1adb53d5310667d90d601bdaa137bb2dcd35 [INFO] running `"docker" "start" "-a" "ae8b3826182d3589b00320693c0a1adb53d5310667d90d601bdaa137bb2dcd35"` [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Compiling sdl2-sys v0.31.0 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking num-iter v0.1.37 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking sdl2 v0.31.0 [INFO] [stderr] Checking mine v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/view/mod.rs:57:29 [INFO] [stderr] | [INFO] [stderr] 57 | /* x */ (self.side_margin_width + (x * cell_w)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/view/mod.rs:58:29 [INFO] [stderr] | [INFO] [stderr] 58 | /* y */ (self.top_margin_height + (y * cell_h)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::mouse::MouseButton` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use sdl2::mouse::MouseButton; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/view/mod.rs:57:29 [INFO] [stderr] | [INFO] [stderr] 57 | /* x */ (self.side_margin_width + (x * cell_w)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/view/mod.rs:58:29 [INFO] [stderr] | [INFO] [stderr] 58 | /* y */ (self.top_margin_height + (y * cell_h)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::mouse::MouseButton` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use sdl2::mouse::MouseButton; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_buttons` [INFO] [stderr] --> src/main.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | let new_buttons = &buttons - &prev_buttons; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_new_buttons` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_buttons` [INFO] [stderr] --> src/main.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | let new_buttons = &buttons - &prev_buttons; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_new_buttons` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/view/mod.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let mut canvas = window.into_canvas().build().unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/view/mod.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let mut event_pump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/view/mod.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | let mut v : View = View { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/view/mod.rs:56:17 [INFO] [stderr] | [INFO] [stderr] 56 | / self.canvas.fill_rect(Rect::new( [INFO] [stderr] 57 | | /* x */ (self.side_margin_width + (x * cell_w)), [INFO] [stderr] 58 | | /* y */ (self.top_margin_height + (y * cell_h)), [INFO] [stderr] 59 | | /* w */ (cell_w - 5) as u32, [INFO] [stderr] 60 | | /* h */ (cell_h - 5) as u32)); [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: variable does not need to be mutable [INFO] [stderr] --> src/view/mod.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let mut canvas = window.into_canvas().build().unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/view/mod.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let mut event_pump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/view/mod.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | let mut v : View = View { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/view/mod.rs:56:17 [INFO] [stderr] | [INFO] [stderr] 56 | / self.canvas.fill_rect(Rect::new( [INFO] [stderr] 57 | | /* x */ (self.side_margin_width + (x * cell_w)), [INFO] [stderr] 58 | | /* y */ (self.top_margin_height + (y * cell_h)), [INFO] [stderr] 59 | | /* w */ (cell_w - 5) as u32, [INFO] [stderr] 60 | | /* h */ (cell_h - 5) as u32)); [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] Finished dev [unoptimized + debuginfo] target(s) in 9.75s [INFO] running `"docker" "inspect" "ae8b3826182d3589b00320693c0a1adb53d5310667d90d601bdaa137bb2dcd35"` [INFO] running `"docker" "rm" "-f" "ae8b3826182d3589b00320693c0a1adb53d5310667d90d601bdaa137bb2dcd35"` [INFO] [stdout] ae8b3826182d3589b00320693c0a1adb53d5310667d90d601bdaa137bb2dcd35