[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/beta-1.37-6/sources/1.36.0/gh/whothey/rsnake"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/whothey/rsnake'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/whothey/rsnake" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/whothey/rsnake"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of whothey/rsnake on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing whothey/rsnake against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 1f9bc8dc7b86e9226a98464e0a83133f085b2bfc22b4fa35a3665f7435aa0cc5 [INFO] running `"docker" "start" "-a" "1f9bc8dc7b86e9226a98464e0a83133f085b2bfc22b4fa35a3665f7435aa0cc5"` [INFO] [stderr] Compiling 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: 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] Finished dev [unoptimized + debuginfo] target(s) in 1.22s [INFO] running `"docker" "inspect" "1f9bc8dc7b86e9226a98464e0a83133f085b2bfc22b4fa35a3665f7435aa0cc5"` [INFO] running `"docker" "rm" "-f" "1f9bc8dc7b86e9226a98464e0a83133f085b2bfc22b4fa35a3665f7435aa0cc5"` [INFO] [stdout] 1f9bc8dc7b86e9226a98464e0a83133f085b2bfc22b4fa35a3665f7435aa0cc5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 1ac7ca702a5841454afbe3d96c3dc2e207c520447e92cad702212297da44fa83 [INFO] running `"docker" "start" "-a" "1ac7ca702a5841454afbe3d96c3dc2e207c520447e92cad702212297da44fa83"` [INFO] [stderr] Compiling 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: 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] Finished dev [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `"docker" "inspect" "1ac7ca702a5841454afbe3d96c3dc2e207c520447e92cad702212297da44fa83"` [INFO] running `"docker" "rm" "-f" "1ac7ca702a5841454afbe3d96c3dc2e207c520447e92cad702212297da44fa83"` [INFO] [stdout] 1ac7ca702a5841454afbe3d96c3dc2e207c520447e92cad702212297da44fa83 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 2d3f9b663306e5df3a3b99967bd2d88051afe38cd2485b849d8d871f4c42ec4a [INFO] running `"docker" "start" "-a" "2d3f9b663306e5df3a3b99967bd2d88051afe38cd2485b849d8d871f4c42ec4a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/rsnake-1321bc5c3d1ec9fd [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "2d3f9b663306e5df3a3b99967bd2d88051afe38cd2485b849d8d871f4c42ec4a"` [INFO] running `"docker" "rm" "-f" "2d3f9b663306e5df3a3b99967bd2d88051afe38cd2485b849d8d871f4c42ec4a"` [INFO] [stdout] 2d3f9b663306e5df3a3b99967bd2d88051afe38cd2485b849d8d871f4c42ec4a