[INFO] updating cached repository TrevorS/rustychip8
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TrevorS/rustychip8
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TrevorS/rustychip8" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/TrevorS/rustychip8"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/TrevorS/rustychip8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TrevorS/rustychip8" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/TrevorS/rustychip8"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/TrevorS/rustychip8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 354b7e4d37a2e33b987fca40201057208625015e
[INFO] sha for GitHub repo TrevorS/rustychip8: 354b7e4d37a2e33b987fca40201057208625015e
[INFO] validating manifest of TrevorS/rustychip8 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of TrevorS/rustychip8 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing TrevorS/rustychip8
[INFO] finished frobbing TrevorS/rustychip8
[INFO] frobbed toml for TrevorS/rustychip8 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/TrevorS/rustychip8/Cargo.toml
[INFO] started frobbing TrevorS/rustychip8
[INFO] finished frobbing TrevorS/rustychip8
[INFO] frobbed toml for TrevorS/rustychip8 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/TrevorS/rustychip8/Cargo.toml
[INFO] crate TrevorS/rustychip8 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/TrevorS/rustychip8/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking TrevorS/rustychip8 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-5/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/TrevorS/rustychip8:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 27359869ddd25532355d522854bc49a952961c5b04ebcfcada632d5eb16c7b03
[INFO] running `"docker" "start" "-a" "27359869ddd25532355d522854bc49a952961c5b04ebcfcada632d5eb16c7b03"`
[INFO] [stderr]     Checking rustychip8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `cpu::Cpu`
[INFO] [stderr]  --> src/term_gfx.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cpu::Cpu;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::Cpu`
[INFO] [stderr]  --> src/term_gfx.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cpu::Cpu;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sdl`
[INFO] [stderr]   --> src/main.rs:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let (mut gfx, sdl) = Gfx::new(1);
[INFO] [stderr]    |                   ^^^ help: consider prefixing with an underscore: `_sdl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pixel` is assigned to, but never used
[INFO] [stderr]   --> src/gfx.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut pixel: u8;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_pixel` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]   --> src/gfx.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 pixel = &buffer[y * 64 + x] * 255;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sdl`
[INFO] [stderr]   --> src/main.rs:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let (mut gfx, sdl) = Gfx::new(1);
[INFO] [stderr]    |                   ^^^ help: consider prefixing with an underscore: `_sdl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pixel` is assigned to, but never used
[INFO] [stderr]   --> src/gfx.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut pixel: u8;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_pixel` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]   --> src/gfx.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 pixel = &buffer[y * 64 + x] * 255;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_address`
[INFO] [stderr]    --> src/cpu.rs:583:1
[INFO] [stderr]     |
[INFO] [stderr] 583 | fn print_address(address: u16) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TermGfx`
[INFO] [stderr]  --> src/term_gfx.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct TermGfx { }
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/term_gfx.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn new() -> TermGfx {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `composite`
[INFO] [stderr]   --> src/term_gfx.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn composite(&self, buffer: Vec<u8>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/gfx.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 | /                 self.renderer.fill_rect(
[INFO] [stderr] 50 | |                     Rect::new(x as i32, y as i32, self.scale as u32, self.scale as u32));
[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: function is never used: `print_address`
[INFO] [stderr]    --> src/cpu.rs:583:1
[INFO] [stderr]     |
[INFO] [stderr] 583 | fn print_address(address: u16) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TermGfx`
[INFO] [stderr]  --> src/term_gfx.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct TermGfx { }
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/term_gfx.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn new() -> TermGfx {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `composite`
[INFO] [stderr]   --> src/term_gfx.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn composite(&self, buffer: Vec<u8>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/gfx.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 | /                 self.renderer.fill_rect(
[INFO] [stderr] 50 | |                     Rect::new(x as i32, y as i32, self.scale as u32, self.scale as u32));
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "27359869ddd25532355d522854bc49a952961c5b04ebcfcada632d5eb16c7b03"`
[INFO] running `"docker" "rm" "-f" "27359869ddd25532355d522854bc49a952961c5b04ebcfcada632d5eb16c7b03"`
[INFO] [stdout] 27359869ddd25532355d522854bc49a952961c5b04ebcfcada632d5eb16c7b03