[INFO] updating cached repository https://github.com/Sniadekk/chip8-emulator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 30dfd7f5d8f415b9ed0f8cd776adc48da7196cf3
[INFO] checking Sniadekk/chip8-emulator against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSniadekk%2Fchip8-emulator" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sniadekk/chip8-emulator on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Sniadekk/chip8-emulator
[INFO] finished tweaking git repo https://github.com/Sniadekk/chip8-emulator
[INFO] tweaked toml for git repo https://github.com/Sniadekk/chip8-emulator written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Sniadekk/chip8-emulator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 56ba9c990a8b6e3f1c7b544088158f319e0c27c6ac492fb2a953e08ccaab7ba4
[INFO] running `"docker" "start" "-a" "56ba9c990a8b6e3f1c7b544088158f319e0c27c6ac492fb2a953e08ccaab7ba4"`
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/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] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/chip8.rs:255:33
[INFO] [stderr]     |
[INFO] [stderr] 255 |     fn get_addr(&self) -> u16 { (self.op_code & 0x0FFF) }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[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]     |                      ^ help: a field with a similar name exists: `i`
[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]     |                      ^ help: a field with a similar name exists: `i`
[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]    |                             ^^^ unknown field
[INFO] [stderr]    |
[INFO] [stderr]    = note: available fields are: `screen`, `should_draw`, `canvas`
[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]    |                          ^^^ unknown field
[INFO] [stderr]    |
[INFO] [stderr]    = note: available fields are: `screen`, `should_draw`, `canvas`
[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] warning: build failed, waiting for other jobs to finish...
[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] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/chip8.rs:255:33
[INFO] [stderr]     |
[INFO] [stderr] 255 |     fn get_addr(&self) -> u16 { (self.op_code & 0x0FFF) }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[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]     |                      ^ help: a field with a similar name exists: `i`
[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]     |                      ^ help: a field with a similar name exists: `i`
[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]    |                             ^^^ unknown field
[INFO] [stderr]    |
[INFO] [stderr]    = note: available fields are: `screen`, `should_draw`, `canvas`
[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]    |                          ^^^ unknown field
[INFO] [stderr]    |
[INFO] [stderr]    = note: available fields are: `screen`, `should_draw`, `canvas`
[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" "56ba9c990a8b6e3f1c7b544088158f319e0c27c6ac492fb2a953e08ccaab7ba4"`
[INFO] running `"docker" "rm" "-f" "56ba9c990a8b6e3f1c7b544088158f319e0c27c6ac492fb2a953e08ccaab7ba4"`
[INFO] [stdout] 56ba9c990a8b6e3f1c7b544088158f319e0c27c6ac492fb2a953e08ccaab7ba4