[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-1.38-1/sources/1.37.0/gh/whothey/rsnake"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/whothey/rsnake'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/whothey/rsnake" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/whothey/rsnake"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of whothey/rsnake on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing whothey/rsnake against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] c2b26a67f73339aaf7356fd765961546fb4485144f21bde9e3c4da2c49b970cc [INFO] running `"docker" "start" "-a" "c2b26a67f73339aaf7356fd765961546fb4485144f21bde9e3c4da2c49b970cc"` [INFO] [stderr] Compiling sdl2-sys v0.30.0 [INFO] [stderr] Compiling sdl2 v0.30.0 [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 7.58s [INFO] running `"docker" "inspect" "c2b26a67f73339aaf7356fd765961546fb4485144f21bde9e3c4da2c49b970cc"` [INFO] running `"docker" "rm" "-f" "c2b26a67f73339aaf7356fd765961546fb4485144f21bde9e3c4da2c49b970cc"` [INFO] [stdout] c2b26a67f73339aaf7356fd765961546fb4485144f21bde9e3c4da2c49b970cc [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 74205efe45d5934620a346cf2e4fd4100284582c14cce1773d82b770a8199202 [INFO] running `"docker" "start" "-a" "74205efe45d5934620a346cf2e4fd4100284582c14cce1773d82b770a8199202"` [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 0.90s [INFO] running `"docker" "inspect" "74205efe45d5934620a346cf2e4fd4100284582c14cce1773d82b770a8199202"` [INFO] running `"docker" "rm" "-f" "74205efe45d5934620a346cf2e4fd4100284582c14cce1773d82b770a8199202"` [INFO] [stdout] 74205efe45d5934620a346cf2e4fd4100284582c14cce1773d82b770a8199202 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 5a3c2feb32e31c4dab77a33ddd80ac953121b54326bd509a044718722d6b3731 [INFO] running `"docker" "start" "-a" "5a3c2feb32e31c4dab77a33ddd80ac953121b54326bd509a044718722d6b3731"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/rsnake-f6a8a61a3f40f776 [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" "5a3c2feb32e31c4dab77a33ddd80ac953121b54326bd509a044718722d6b3731"` [INFO] running `"docker" "rm" "-f" "5a3c2feb32e31c4dab77a33ddd80ac953121b54326bd509a044718722d6b3731"` [INFO] [stdout] 5a3c2feb32e31c4dab77a33ddd80ac953121b54326bd509a044718722d6b3731