Dec 18 07:03:19.285 INFO checking JorgeMartinezG/chip8 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:03:19.285 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/JorgeMartinezG/chip8:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:03:19.748 INFO [stdout] f6a6ade584f2501141b5f787dfe2d301e1bac08dac24bce2e56cee623de591dc
Dec 18 07:03:19.750 INFO running `"docker" "start" "-a" "f6a6ade584f2501141b5f787dfe2d301e1bac08dac24bce2e56cee623de591dc"`
Dec 18 07:03:21.300 INFO [stderr]    Compiling minifb v0.10.7
Dec 18 07:03:21.302 INFO [stderr]     Checking x11-dl v2.14.0
Dec 18 07:03:26.407 INFO [stderr]     Checking chip8-emulator v0.1.0 (/opt/crater/workdir)
Dec 18 07:03:27.005 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:03:27.005 INFO [stderr]    --> src/cpu.rs:327:9
Dec 18 07:03:27.005 INFO [stderr]     |
Dec 18 07:03:27.005 INFO [stderr] 327 |         write!(f, "pc: {:#X}\n", self.pc);
Dec 18 07:03:27.005 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:03:27.005 INFO [stderr]     |
Dec 18 07:03:27.005 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 07:03:27.005 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:03:27.005 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:03:27.005 INFO [stderr] 
Dec 18 07:03:27.005 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:03:27.006 INFO [stderr]    --> src/cpu.rs:328:9
Dec 18 07:03:27.006 INFO [stderr]     |
Dec 18 07:03:27.006 INFO [stderr] 328 |         write!(f, "vx: ");
Dec 18 07:03:27.006 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 18 07:03:27.006 INFO [stderr]     |
Dec 18 07:03:27.006 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:03:27.006 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:03:27.006 INFO [stderr] 
Dec 18 07:03:27.006 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:03:27.006 INFO [stderr]    --> src/cpu.rs:330:13
Dec 18 07:03:27.006 INFO [stderr]     |
Dec 18 07:03:27.006 INFO [stderr] 330 |             write!(f, "{:#X} ", *item);
Dec 18 07:03:27.006 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:03:27.006 INFO [stderr]     |
Dec 18 07:03:27.006 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:03:27.006 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:03:27.006 INFO [stderr] 
Dec 18 07:03:27.006 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:03:27.006 INFO [stderr]    --> src/cpu.rs:332:9
Dec 18 07:03:27.006 INFO [stderr]     |
Dec 18 07:03:27.006 INFO [stderr] 332 |         write!(f, "\n");
Dec 18 07:03:27.006 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 18 07:03:27.007 INFO [stderr]     |
Dec 18 07:03:27.007 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:03:27.007 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:03:27.007 INFO [stderr] 
Dec 18 07:03:27.007 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:03:27.007 INFO [stderr]   --> src/main.rs:47:5
Dec 18 07:03:27.007 INFO [stderr]    |
Dec 18 07:03:27.007 INFO [stderr] 47 |     file.read_to_end(&mut data);
Dec 18 07:03:27.007 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:03:27.007 INFO [stderr]    |
Dec 18 07:03:27.007 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:03:27.007 INFO [stderr] 
Dec 18 07:03:27.008 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:03:27.008 INFO [stderr]   --> src/main.rs:99:3
Dec 18 07:03:27.008 INFO [stderr]    |
Dec 18 07:03:27.008 INFO [stderr] 99 |         window.update_with_buffer(&buffer);
Dec 18 07:03:27.008 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:03:27.008 INFO [stderr]    |
Dec 18 07:03:27.008 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:03:27.008 INFO [stderr] 
Dec 18 07:03:27.395 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:03:27.395 INFO [stderr]    --> src/cpu.rs:327:9
Dec 18 07:03:27.395 INFO [stderr]     |
Dec 18 07:03:27.395 INFO [stderr] 327 |         write!(f, "pc: {:#X}\n", self.pc);
Dec 18 07:03:27.395 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:03:27.395 INFO [stderr]     |
Dec 18 07:03:27.396 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 07:03:27.396 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:03:27.396 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:03:27.396 INFO [stderr] 
Dec 18 07:03:27.396 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:03:27.396 INFO [stderr]    --> src/cpu.rs:328:9
Dec 18 07:03:27.396 INFO [stderr]     |
Dec 18 07:03:27.396 INFO [stderr] 328 |         write!(f, "vx: ");
Dec 18 07:03:27.397 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 18 07:03:27.397 INFO [stderr]     |
Dec 18 07:03:27.397 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:03:27.397 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:03:27.397 INFO [stderr] 
Dec 18 07:03:27.397 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:03:27.397 INFO [stderr]    --> src/cpu.rs:330:13
Dec 18 07:03:27.397 INFO [stderr]     |
Dec 18 07:03:27.397 INFO [stderr] 330 |             write!(f, "{:#X} ", *item);
Dec 18 07:03:27.397 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:03:27.397 INFO [stderr]     |
Dec 18 07:03:27.397 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:03:27.398 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:03:27.398 INFO [stderr] 
Dec 18 07:03:27.398 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:03:27.398 INFO [stderr]    --> src/cpu.rs:332:9
Dec 18 07:03:27.398 INFO [stderr]     |
Dec 18 07:03:27.398 INFO [stderr] 332 |         write!(f, "\n");
Dec 18 07:03:27.398 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 18 07:03:27.398 INFO [stderr]     |
Dec 18 07:03:27.398 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:03:27.398 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:03:27.398 INFO [stderr] 
Dec 18 07:03:27.398 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:03:27.398 INFO [stderr]   --> src/main.rs:47:5
Dec 18 07:03:27.398 INFO [stderr]    |
Dec 18 07:03:27.398 INFO [stderr] 47 |     file.read_to_end(&mut data);
Dec 18 07:03:27.398 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:03:27.398 INFO [stderr]    |
Dec 18 07:03:27.398 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:03:27.398 INFO [stderr] 
Dec 18 07:03:27.399 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:03:27.399 INFO [stderr]   --> src/main.rs:99:3
Dec 18 07:03:27.399 INFO [stderr]    |
Dec 18 07:03:27.399 INFO [stderr] 99 |         window.update_with_buffer(&buffer);
Dec 18 07:03:27.399 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:03:27.399 INFO [stderr]    |
Dec 18 07:03:27.400 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:03:27.400 INFO [stderr] 
Dec 18 07:03:27.449 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.26s
Dec 18 07:03:28.263 INFO running `"docker" "inspect" "f6a6ade584f2501141b5f787dfe2d301e1bac08dac24bce2e56cee623de591dc"`
Dec 18 07:03:28.375 INFO running `"docker" "rm" "-f" "f6a6ade584f2501141b5f787dfe2d301e1bac08dac24bce2e56cee623de591dc"`
Dec 18 07:03:28.556 INFO [stdout] f6a6ade584f2501141b5f787dfe2d301e1bac08dac24bce2e56cee623de591dc