[INFO] cloning repository foxmk/rustboy
[INFO] running `"git" "clone" "--bare" "git://github.com/foxmk/rustboy.git" "work/cache/sources/gh/foxmk/rustboy"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/foxmk/rustboy'...
[INFO] running `"git" "clone" "work/cache/sources/gh/foxmk/rustboy" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/foxmk/rustboy"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/foxmk/rustboy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/foxmk/rustboy" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/foxmk/rustboy"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/foxmk/rustboy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 32f594b0873f8196b9cc4174924de9700ef9b3bb
[INFO] sha for GitHub repo foxmk/rustboy: 32f594b0873f8196b9cc4174924de9700ef9b3bb
[INFO] validating manifest of foxmk/rustboy on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of foxmk/rustboy on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing foxmk/rustboy
[INFO] finished frobbing foxmk/rustboy
[INFO] frobbed toml for foxmk/rustboy written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/foxmk/rustboy/Cargo.toml
[INFO] started frobbing foxmk/rustboy
[INFO] finished frobbing foxmk/rustboy
[INFO] frobbed toml for foxmk/rustboy written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/foxmk/rustboy/Cargo.toml
[INFO] crate foxmk/rustboy already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded orbclient v0.3.18
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing foxmk/rustboy against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/foxmk/rustboy:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 85ac728439fdf0eab07241a68de11a94b708cc49c92d7bcadf744b61b5774728
[INFO] running `"docker" "start" "-a" "85ac728439fdf0eab07241a68de11a94b708cc49c92d7bcadf744b61b5774728"`
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ppu.rs:304:28
[INFO] [stderr]     |
[INFO] [stderr] 304 |             PPU::VRAM_START...PPU::VRAM_END => {
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ppu.rs:313:27
[INFO] [stderr]     |
[INFO] [stderr] 313 |             PPU::OAM_START...PPU::OAM_END => {
[INFO] [stderr]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ppu.rs:340:28
[INFO] [stderr]     |
[INFO] [stderr] 340 |             PPU::VRAM_START...PPU::VRAM_END => {
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ppu.rs:349:27
[INFO] [stderr]     |
[INFO] [stderr] 349 |             PPU::OAM_START...PPU::OAM_END => {
[INFO] [stderr]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     cpu.borrow_mut().step();
[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/main.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     ppu.borrow_mut().step();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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/cpu.rs:132:17
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 self.exec_op(post_op);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cpu.rs:723:17
[INFO] [stderr]     |
[INFO] [stderr] 723 |                 byte.set_bit(0, value as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cpu.rs:728:17
[INFO] [stderr]     |
[INFO] [stderr] 728 |                 byte.set_bit(0, value as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cpu.rs:733:17
[INFO] [stderr]     |
[INFO] [stderr] 733 |                 byte.set_bit(0, value as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cpu.rs:738:17
[INFO] [stderr]     |
[INFO] [stderr] 738 |                 byte.set_bit(0, value as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 self.stat.set_bit(PPU::MODE_TRANSFER, true as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 self.stat.set_bit(PPU::MODE, false as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 self.stat.set_bit(PPU::MODE_TRANSFER, true as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 self.stat.set_bit(PPU::MODE, true as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:207:17
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 self.stat.set_bit(PPU::MODE_TRANSFER, false as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 |                 self.stat.set_bit(PPU::MODE, false as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:212:17
[INFO] [stderr]     |
[INFO] [stderr] 212 |                 self.stat.set_bit(PPU::MODE_TRANSFER, false as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:213:17
[INFO] [stderr]     |
[INFO] [stderr] 213 |                 self.stat.set_bit(PPU::MODE, true as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |             InterruptController::request(self.memory.borrow_mut(), Interrupt::LcdStat);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/interrupts.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 | /         match int {
[INFO] [stderr] 73 | |             Interrupt::VBlank => flags_to_save.set_bit(0, 1),
[INFO] [stderr] 74 | |             Interrupt::LcdStat => flags_to_save.set_bit(1, 1),
[INFO] [stderr] 75 | |             Interrupt::Timer => flags_to_save.set_bit(2, 1),
[INFO] [stderr] 76 | |             Interrupt::Serial => flags_to_save.set_bit(3, 1),
[INFO] [stderr] 77 | |             Interrupt::Joystick => flags_to_save.set_bit(4, 1),
[INFO] [stderr] 78 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[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/interrupts.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 | /         match int {
[INFO] [stderr] 87 | |             Interrupt::VBlank => flags_to_save.set_bit(0, 0),
[INFO] [stderr] 88 | |             Interrupt::LcdStat => flags_to_save.set_bit(1, 0),
[INFO] [stderr] 89 | |             Interrupt::Timer => flags_to_save.set_bit(2, 0),
[INFO] [stderr] 90 | |             Interrupt::Serial => flags_to_save.set_bit(3, 0),
[INFO] [stderr] 91 | |             Interrupt::Joystick => flags_to_save.set_bit(4, 0),
[INFO] [stderr] 92 | |         };
[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 11.57s
[INFO] running `"docker" "inspect" "85ac728439fdf0eab07241a68de11a94b708cc49c92d7bcadf744b61b5774728"`
[INFO] running `"docker" "rm" "-f" "85ac728439fdf0eab07241a68de11a94b708cc49c92d7bcadf744b61b5774728"`
[INFO] [stdout] 85ac728439fdf0eab07241a68de11a94b708cc49c92d7bcadf744b61b5774728
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/foxmk/rustboy:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] cbad6ef4eb56951f18313fb1d1888c8a8307ab4b22a0abc9c8ee1c93a1b7ea61
[INFO] running `"docker" "start" "-a" "cbad6ef4eb56951f18313fb1d1888c8a8307ab4b22a0abc9c8ee1c93a1b7ea61"`
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ppu.rs:304:28
[INFO] [stderr]     |
[INFO] [stderr] 304 |             PPU::VRAM_START...PPU::VRAM_END => {
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ppu.rs:313:27
[INFO] [stderr]     |
[INFO] [stderr] 313 |             PPU::OAM_START...PPU::OAM_END => {
[INFO] [stderr]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ppu.rs:340:28
[INFO] [stderr]     |
[INFO] [stderr] 340 |             PPU::VRAM_START...PPU::VRAM_END => {
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ppu.rs:349:27
[INFO] [stderr]     |
[INFO] [stderr] 349 |             PPU::OAM_START...PPU::OAM_END => {
[INFO] [stderr]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     cpu.borrow_mut().step();
[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/main.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     ppu.borrow_mut().step();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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/cpu.rs:132:17
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 self.exec_op(post_op);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cpu.rs:723:17
[INFO] [stderr]     |
[INFO] [stderr] 723 |                 byte.set_bit(0, value as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cpu.rs:728:17
[INFO] [stderr]     |
[INFO] [stderr] 728 |                 byte.set_bit(0, value as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cpu.rs:733:17
[INFO] [stderr]     |
[INFO] [stderr] 733 |                 byte.set_bit(0, value as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cpu.rs:738:17
[INFO] [stderr]     |
[INFO] [stderr] 738 |                 byte.set_bit(0, value as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/cpu.rs:775:9
[INFO] [stderr]     |
[INFO] [stderr] 775 |         cpu.step();
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[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/memory.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |         space.write(0x0020, 0xFF);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/memory.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         space.write(0x0020, 0xFF);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/memory.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |         space.write(0x0120, 0xFE);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 self.stat.set_bit(PPU::MODE_TRANSFER, true as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 self.stat.set_bit(PPU::MODE, false as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 self.stat.set_bit(PPU::MODE_TRANSFER, true as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 self.stat.set_bit(PPU::MODE, true as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:207:17
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 self.stat.set_bit(PPU::MODE_TRANSFER, false as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 |                 self.stat.set_bit(PPU::MODE, false as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:212:17
[INFO] [stderr]     |
[INFO] [stderr] 212 |                 self.stat.set_bit(PPU::MODE_TRANSFER, false as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:213:17
[INFO] [stderr]     |
[INFO] [stderr] 213 |                 self.stat.set_bit(PPU::MODE, true as usize);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/ppu.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |             InterruptController::request(self.memory.borrow_mut(), Interrupt::LcdStat);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/interrupts.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 | /         match int {
[INFO] [stderr] 73 | |             Interrupt::VBlank => flags_to_save.set_bit(0, 1),
[INFO] [stderr] 74 | |             Interrupt::LcdStat => flags_to_save.set_bit(1, 1),
[INFO] [stderr] 75 | |             Interrupt::Timer => flags_to_save.set_bit(2, 1),
[INFO] [stderr] 76 | |             Interrupt::Serial => flags_to_save.set_bit(3, 1),
[INFO] [stderr] 77 | |             Interrupt::Joystick => flags_to_save.set_bit(4, 1),
[INFO] [stderr] 78 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[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/interrupts.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 | /         match int {
[INFO] [stderr] 87 | |             Interrupt::VBlank => flags_to_save.set_bit(0, 0),
[INFO] [stderr] 88 | |             Interrupt::LcdStat => flags_to_save.set_bit(1, 0),
[INFO] [stderr] 89 | |             Interrupt::Timer => flags_to_save.set_bit(2, 0),
[INFO] [stderr] 90 | |             Interrupt::Serial => flags_to_save.set_bit(3, 0),
[INFO] [stderr] 91 | |             Interrupt::Joystick => flags_to_save.set_bit(4, 0),
[INFO] [stderr] 92 | |         };
[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 2.66s
[INFO] running `"docker" "inspect" "cbad6ef4eb56951f18313fb1d1888c8a8307ab4b22a0abc9c8ee1c93a1b7ea61"`
[INFO] running `"docker" "rm" "-f" "cbad6ef4eb56951f18313fb1d1888c8a8307ab4b22a0abc9c8ee1c93a1b7ea61"`
[INFO] [stdout] cbad6ef4eb56951f18313fb1d1888c8a8307ab4b22a0abc9c8ee1c93a1b7ea61
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/foxmk/rustboy:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] ccbf5a6e2eb172f32aec483e4cf6db6bfe405d8000361e573d00036ce6804ca1
[INFO] running `"docker" "start" "-a" "ccbf5a6e2eb172f32aec483e4cf6db6bfe405d8000361e573d00036ce6804ca1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vm-116a4cf7c9952de6
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test memory::test::empty_space ... ok
[INFO] [stdout] test memory::test::out_of_bounds ... ok
[INFO] [stdout] test cpu::test::should_increment_pc ... ok
[INFO] [stdout] test memory::test::register_space ... ok
[INFO] [stdout] test memory::test::multiple_storage ... ok
[INFO] [stdout] test cpu::test::simple_addition ... ok
[INFO] [stdout] test util::test::should_work_2 ... ok
[INFO] [stdout] test util::test::should_work ... ok
[INFO] [stdout] test memory::test::write_byte ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ccbf5a6e2eb172f32aec483e4cf6db6bfe405d8000361e573d00036ce6804ca1"`
[INFO] running `"docker" "rm" "-f" "ccbf5a6e2eb172f32aec483e4cf6db6bfe405d8000361e573d00036ce6804ca1"`
[INFO] [stdout] ccbf5a6e2eb172f32aec483e4cf6db6bfe405d8000361e573d00036ce6804ca1