[INFO] updating cached repository wizh/rusty-8
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wizh/rusty-8
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wizh/rusty-8" "work/ex/beta-1.38-1/sources/1.37.0/gh/wizh/rusty-8"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wizh/rusty-8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wizh/rusty-8" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wizh/rusty-8"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wizh/rusty-8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 349927b9acc136cc13f1b8de3a3b3801a40193b7
[INFO] sha for GitHub repo wizh/rusty-8: 349927b9acc136cc13f1b8de3a3b3801a40193b7
[INFO] validating manifest of wizh/rusty-8 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 wizh/rusty-8 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 wizh/rusty-8
[INFO] finished frobbing wizh/rusty-8
[INFO] frobbed toml for wizh/rusty-8 written to work/ex/beta-1.38-1/sources/1.37.0/gh/wizh/rusty-8/Cargo.toml
[INFO] started frobbing wizh/rusty-8
[INFO] finished frobbing wizh/rusty-8
[INFO] frobbed toml for wizh/rusty-8 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wizh/rusty-8/Cargo.toml
[INFO] crate wizh/rusty-8 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 wizh/rusty-8 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wizh/rusty-8:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ccf2636a03bd2eb19b059ccbffe93bc55ee410b5ca63df04d23efb2349aa85ef
[INFO] running `"docker" "start" "-a" "ccf2636a03bd2eb19b059ccbffe93bc55ee410b5ca63df04d23efb2349aa85ef"`
[INFO] [stderr]    Compiling sdl2-sys v0.25.0
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling sdl2 v0.25.0
[INFO] [stderr]    Compiling rusty-8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `emulator`
[INFO] [stderr]  --> src/keypad.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use emulator;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_state`
[INFO] [stderr]    --> src/cpu.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn print_state(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]  --> src/display.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     height: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]   --> src/display.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_KEYS`
[INFO] [stderr]   --> src/emulator.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub const NUM_KEYS: usize = 0xf;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `keypad`
[INFO] [stderr]   --> src/emulator.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     keypad: Keypad,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     rom_fd.read_to_end(&mut rom_buf);
[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/display.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | /         renderer.set_scale((emulator::SCALE) as f32,
[INFO] [stderr] 24 | |                            (emulator::SCALE) as f32);
[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/display.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 self.renderer.draw_point(Point::new(x as i32, y as i32));
[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 7.51s
[INFO] running `"docker" "inspect" "ccf2636a03bd2eb19b059ccbffe93bc55ee410b5ca63df04d23efb2349aa85ef"`
[INFO] running `"docker" "rm" "-f" "ccf2636a03bd2eb19b059ccbffe93bc55ee410b5ca63df04d23efb2349aa85ef"`
[INFO] [stdout] ccf2636a03bd2eb19b059ccbffe93bc55ee410b5ca63df04d23efb2349aa85ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wizh/rusty-8:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e34bd00b9622df180d6dd7df5aaca8a3157b3d0d9bb15f61abf356b831d5f219
[INFO] running `"docker" "start" "-a" "e34bd00b9622df180d6dd7df5aaca8a3157b3d0d9bb15f61abf356b831d5f219"`
[INFO] [stderr]    Compiling rusty-8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `emulator`
[INFO] [stderr]  --> src/keypad.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use emulator;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_state`
[INFO] [stderr]    --> src/cpu.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn print_state(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]  --> src/display.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     height: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]   --> src/display.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_KEYS`
[INFO] [stderr]   --> src/emulator.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub const NUM_KEYS: usize = 0xf;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `keypad`
[INFO] [stderr]   --> src/emulator.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     keypad: Keypad,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     rom_fd.read_to_end(&mut rom_buf);
[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/display.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | /         renderer.set_scale((emulator::SCALE) as f32,
[INFO] [stderr] 24 | |                            (emulator::SCALE) as f32);
[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/display.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 self.renderer.draw_point(Point::new(x as i32, y as i32));
[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 0.71s
[INFO] running `"docker" "inspect" "e34bd00b9622df180d6dd7df5aaca8a3157b3d0d9bb15f61abf356b831d5f219"`
[INFO] running `"docker" "rm" "-f" "e34bd00b9622df180d6dd7df5aaca8a3157b3d0d9bb15f61abf356b831d5f219"`
[INFO] [stdout] e34bd00b9622df180d6dd7df5aaca8a3157b3d0d9bb15f61abf356b831d5f219
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wizh/rusty-8:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2f178f9dcebf40fe726f457e965e1d72d830258868b9ac711fbc616ac8f1f177
[INFO] running `"docker" "start" "-a" "2f178f9dcebf40fe726f457e965e1d72d830258868b9ac711fbc616ac8f1f177"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_8-e84b53c686db1514
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2f178f9dcebf40fe726f457e965e1d72d830258868b9ac711fbc616ac8f1f177"`
[INFO] running `"docker" "rm" "-f" "2f178f9dcebf40fe726f457e965e1d72d830258868b9ac711fbc616ac8f1f177"`
[INFO] [stdout] 2f178f9dcebf40fe726f457e965e1d72d830258868b9ac711fbc616ac8f1f177