[INFO] updating cached repository whothey/rsnake [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/whothey/rsnake [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/whothey/rsnake" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/whothey/rsnake"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/whothey/rsnake'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/whothey/rsnake" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/whothey/rsnake"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/whothey/rsnake'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 373f9ef184e1a5838874d9bd05e9b2e9fa686b5d [INFO] sha for GitHub repo whothey/rsnake: 373f9ef184e1a5838874d9bd05e9b2e9fa686b5d [INFO] validating manifest of whothey/rsnake on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of whothey/rsnake on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing whothey/rsnake [INFO] finished frobbing whothey/rsnake [INFO] frobbed toml for whothey/rsnake written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/whothey/rsnake/Cargo.toml [INFO] started frobbing whothey/rsnake [INFO] finished frobbing whothey/rsnake [INFO] frobbed toml for whothey/rsnake written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/whothey/rsnake/Cargo.toml [INFO] crate whothey/rsnake already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking whothey/rsnake against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-1/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/whothey/rsnake:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2d4e8d45cdb98b1effb3079e8de96aa46461df17d5768b1a9a63f848eaa5c84d [INFO] running `"docker" "start" "-a" "2d4e8d45cdb98b1effb3079e8de96aa46461df17d5768b1a9a63f848eaa5c84d"` [INFO] [stderr] Compiling sdl2-sys v0.30.0 [INFO] [stderr] Checking libc v0.2.23 [INFO] [stderr] Checking num-iter v0.1.33 [INFO] [stderr] Checking num v0.1.37 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking sdl2 v0.30.0 [INFO] [stderr] Checking rsnake v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `WHITE` [INFO] [stderr] --> src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let WHITE: Color = Color::RGB(0xff, 0xff, 0xff); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_WHITE` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `timer` [INFO] [stderr] --> src/main.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | let mut timer = ctx.timer().expect("Could not create a timer!"); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_timer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `framerate` [INFO] [stderr] --> src/main.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | let mut framerate = 0u16; [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_framerate` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `WHITE` [INFO] [stderr] --> src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let WHITE: Color = Color::RGB(0xff, 0xff, 0xff); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_WHITE` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `timer` [INFO] [stderr] --> src/main.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | let mut timer = ctx.timer().expect("Could not create a timer!"); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_timer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `framerate` [INFO] [stderr] --> src/main.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | let mut framerate = 0u16; [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_framerate` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let mut timer = ctx.timer().expect("Could not create a timer!"); [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/main.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | let mut framerate = 0u16; [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/main.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let mut timer = ctx.timer().expect("Could not create a timer!"); [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/main.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | let mut framerate = 0u16; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable `BLACK` should have a snake case name [INFO] [stderr] --> src/main.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let BLACK: Color = Color::RGB(0, 0, 0); [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `black` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `WHITE` should have a snake case name [INFO] [stderr] --> src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let WHITE: Color = Color::RGB(0xff, 0xff, 0xff); [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `white` [INFO] [stderr] [INFO] [stderr] warning: variable `RED` should have a snake case name [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let RED: Color = Color::RGB(0xff, 0x00, 0x00); [INFO] [stderr] | ^^^ help: convert the identifier to snake case: `red` [INFO] [stderr] [INFO] [stderr] warning: variable `GREEN` should have a snake case name [INFO] [stderr] --> src/main.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let GREEN: Color = Color::RGB(0x00, 0xff, 0x00); [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `green` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/snake.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | canvas.fill_rect(self.head); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/snake.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | canvas.fill_rect(r); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `BLACK` should have a snake case name [INFO] [stderr] --> src/main.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let BLACK: Color = Color::RGB(0, 0, 0); [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `black` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `WHITE` should have a snake case name [INFO] [stderr] --> src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let WHITE: Color = Color::RGB(0xff, 0xff, 0xff); [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `white` [INFO] [stderr] [INFO] [stderr] warning: variable `RED` should have a snake case name [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let RED: Color = Color::RGB(0xff, 0x00, 0x00); [INFO] [stderr] | ^^^ help: convert the identifier to snake case: `red` [INFO] [stderr] [INFO] [stderr] warning: variable `GREEN` should have a snake case name [INFO] [stderr] --> src/main.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let GREEN: Color = Color::RGB(0x00, 0xff, 0x00); [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `green` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/snake.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | canvas.fill_rect(self.head); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/snake.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | canvas.fill_rect(r); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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 4.58s [INFO] running `"docker" "inspect" "2d4e8d45cdb98b1effb3079e8de96aa46461df17d5768b1a9a63f848eaa5c84d"` [INFO] running `"docker" "rm" "-f" "2d4e8d45cdb98b1effb3079e8de96aa46461df17d5768b1a9a63f848eaa5c84d"` [INFO] [stdout] 2d4e8d45cdb98b1effb3079e8de96aa46461df17d5768b1a9a63f848eaa5c84d