[INFO] updating cached repository Sniadekk/chip8-emulator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Sniadekk/chip8-emulator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Sniadekk/chip8-emulator" "work/ex/beta-1.38-1/sources/1.37.0/gh/Sniadekk/chip8-emulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Sniadekk/chip8-emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Sniadekk/chip8-emulator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Sniadekk/chip8-emulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Sniadekk/chip8-emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 30dfd7f5d8f415b9ed0f8cd776adc48da7196cf3
[INFO] sha for GitHub repo Sniadekk/chip8-emulator: 30dfd7f5d8f415b9ed0f8cd776adc48da7196cf3
[INFO] validating manifest of Sniadekk/chip8-emulator 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 Sniadekk/chip8-emulator 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 Sniadekk/chip8-emulator
[INFO] finished frobbing Sniadekk/chip8-emulator
[INFO] frobbed toml for Sniadekk/chip8-emulator written to work/ex/beta-1.38-1/sources/1.37.0/gh/Sniadekk/chip8-emulator/Cargo.toml
[INFO] started frobbing Sniadekk/chip8-emulator
[INFO] finished frobbing Sniadekk/chip8-emulator
[INFO] frobbed toml for Sniadekk/chip8-emulator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Sniadekk/chip8-emulator/Cargo.toml
[INFO] crate Sniadekk/chip8-emulator 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 Sniadekk/chip8-emulator against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Sniadekk/chip8-emulator:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 8f58b0646c1974a82d349092a4640fa7023b249bfa887fef23af06528aba12d8
[INFO] running `"docker" "start" "-a" "8f58b0646c1974a82d349092a4640fa7023b249bfa887fef23af06528aba12d8"`
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/graphics.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |         for j in range(0, n) {
[INFO] [stderr]    |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/graphics.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |             for i in range(0, 8) {
[INFO] [stderr]    |                      ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `v` on type `&mut chip8::Chip8`
[INFO] [stderr]    --> src/chip8.rs:239:22
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let x = self.v[self.get_x()];
[INFO] [stderr]     |                      ^
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `v` on type `&mut chip8::Chip8`
[INFO] [stderr]    --> src/chip8.rs:240:22
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let y = self.v[self.get_y()];
[INFO] [stderr]     |                      ^
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `gfx` on type `&mut graphics::Display`
[INFO] [stderr]   --> src/graphics.rs:32:29
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     if self.gfx[yj][xi] == 1 { collision = 1 }
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `gfx` on type `&mut graphics::Display`
[INFO] [stderr]   --> src/graphics.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     self.gfx[yj][xi] ^= 1;
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0609.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `chip8`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8f58b0646c1974a82d349092a4640fa7023b249bfa887fef23af06528aba12d8"`
[INFO] running `"docker" "rm" "-f" "8f58b0646c1974a82d349092a4640fa7023b249bfa887fef23af06528aba12d8"`
[INFO] [stdout] 8f58b0646c1974a82d349092a4640fa7023b249bfa887fef23af06528aba12d8