[INFO] updating cached repository gdunton/rust-gb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gdunton/rust-gb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gdunton/rust-gb" "work/ex/beta-1.38-1/sources/1.37.0/gh/gdunton/rust-gb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gdunton/rust-gb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gdunton/rust-gb" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gdunton/rust-gb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gdunton/rust-gb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7d77469e1912473325cb60061d96e5c5360d6bd6
[INFO] sha for GitHub repo gdunton/rust-gb: 7d77469e1912473325cb60061d96e5c5360d6bd6
[INFO] validating manifest of gdunton/rust-gb 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 gdunton/rust-gb 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 gdunton/rust-gb
[INFO] finished frobbing gdunton/rust-gb
[INFO] frobbed toml for gdunton/rust-gb written to work/ex/beta-1.38-1/sources/1.37.0/gh/gdunton/rust-gb/Cargo.toml
[INFO] started frobbing gdunton/rust-gb
[INFO] finished frobbing gdunton/rust-gb
[INFO] frobbed toml for gdunton/rust-gb written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gdunton/rust-gb/Cargo.toml
[INFO] crate gdunton/rust-gb 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 gdunton/rust-gb 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gdunton/rust-gb:/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] a6eaba9c065f10f7b3a53f6f8903e1ef0c60ea6b915283963cbebd79551f13d9
[INFO] running `"docker" "start" "-a" "a6eaba9c065f10f7b3a53f6f8903e1ef0c60ea6b915283963cbebd79551f13d9"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling piston-viewport v0.5.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling rusttype v0.7.5
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling piston2d-graphics v0.28.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.5
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling rust-catch v0.2.4 (https://github.com/gdunton/rust-catch?rev=HEAD#02faec0d)
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling pistoncore-input v0.23.0
[INFO] [stderr]    Compiling pistoncore-window v0.34.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.57.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.39.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.51.1
[INFO] [stderr]    Compiling piston v0.39.0
[INFO] [stderr]    Compiling rust-gb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `crate::gameboy::opcodes`
[INFO] [stderr]  --> src/debug/instrumentation.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::gameboy::opcodes;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `RegisterLabel16` is imported redundantly
[INFO] [stderr]   --> src/gameboy/mod.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::register::{RegisterLabel16, RegisterLabel8};
[INFO] [stderr]    |                      --------------- the item `RegisterLabel16` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 62 |         use self::register::RegisterLabel16;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `RegisterLabel16` is imported redundantly
[INFO] [stderr]   --> src/gameboy/mod.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::register::{RegisterLabel16, RegisterLabel8};
[INFO] [stderr]    |                      --------------- the item `RegisterLabel16` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 81 |         use self::register::RegisterLabel16;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `OpCodeWidget`
[INFO] [stderr]  --> src/debug_widgets.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct OpCodeWidget<'a> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/debug_widgets.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(gb: &'a Gameboy) -> OpCodeWidget {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_register_16`
[INFO] [stderr]   --> src/gameboy/mod.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn set_register_16(&mut self, register: RegisterLabel16, value: u16) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_register_8`
[INFO] [stderr]    --> src/gameboy/mod.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn set_register_8(&mut self, register: RegisterLabel8, value: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_flag`
[INFO] [stderr]    --> src/gameboy/mod.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn set_flag(&mut self, flag: Flags, set: bool) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_memory_at`
[INFO] [stderr]    --> src/gameboy/mod.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn set_memory_at(&mut self, address: u16, value: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_memory_at`
[INFO] [stderr]    --> src/gameboy/mod.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn get_memory_at(&self, address: u16) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `"docker" "inspect" "a6eaba9c065f10f7b3a53f6f8903e1ef0c60ea6b915283963cbebd79551f13d9"`
[INFO] running `"docker" "rm" "-f" "a6eaba9c065f10f7b3a53f6f8903e1ef0c60ea6b915283963cbebd79551f13d9"`
[INFO] [stdout] a6eaba9c065f10f7b3a53f6f8903e1ef0c60ea6b915283963cbebd79551f13d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gdunton/rust-gb:/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] 462c3125cae96c3d57ff1a3a3f8d56c6c9d894423a7bf57810b4ef254aac39c6
[INFO] running `"docker" "start" "-a" "462c3125cae96c3d57ff1a3a3f8d56c6c9d894423a7bf57810b4ef254aac39c6"`
[INFO] [stderr]    Compiling rust-gb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `crate::gameboy::opcodes`
[INFO] [stderr]  --> src/debug/instrumentation.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::gameboy::opcodes;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `RegisterLabel16` is imported redundantly
[INFO] [stderr]   --> src/gameboy/mod.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::register::{RegisterLabel16, RegisterLabel8};
[INFO] [stderr]    |                      --------------- the item `RegisterLabel16` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 62 |         use self::register::RegisterLabel16;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `RegisterLabel16` is imported redundantly
[INFO] [stderr]   --> src/gameboy/mod.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::register::{RegisterLabel16, RegisterLabel8};
[INFO] [stderr]    |                      --------------- the item `RegisterLabel16` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 81 |         use self::register::RegisterLabel16;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `OpCodeWidget`
[INFO] [stderr]  --> src/debug_widgets.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct OpCodeWidget<'a> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/debug_widgets.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(gb: &'a Gameboy) -> OpCodeWidget {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_memory_at`
[INFO] [stderr]    --> src/gameboy/mod.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn set_memory_at(&mut self, address: u16, value: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_memory_at`
[INFO] [stderr]    --> src/gameboy/mod.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn get_memory_at(&self, address: u16) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Call_instruction_tests` should have a snake case name
[INFO] [stderr]    --> src/gameboy/tests/mod.rs:240:14
[INFO] [stderr]     |
[INFO] [stderr] 240 |         test("Call instruction tests") {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `call_instruction_tests`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Push_instruction_tests` should have a snake case name
[INFO] [stderr]    --> src/gameboy/tests/mod.rs:277:14
[INFO] [stderr]     |
[INFO] [stderr] 277 |         test("Push instruction tests") {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `push_instruction_tests`
[INFO] [stderr] 
[INFO] [stderr] warning: module `RLA_instruction_rotate_left_through_carry` should have a snake case name
[INFO] [stderr]    --> src/gameboy/tests/mod.rs:341:14
[INFO] [stderr]     |
[INFO] [stderr] 341 |         test("RLA instruction rotate left through carry") {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `rla_instruction_rotate_left_through_carry`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `"docker" "inspect" "462c3125cae96c3d57ff1a3a3f8d56c6c9d894423a7bf57810b4ef254aac39c6"`
[INFO] running `"docker" "rm" "-f" "462c3125cae96c3d57ff1a3a3f8d56c6c9d894423a7bf57810b4ef254aac39c6"`
[INFO] [stdout] 462c3125cae96c3d57ff1a3a3f8d56c6c9d894423a7bf57810b4ef254aac39c6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gdunton/rust-gb:/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] 38cf34f89dd1193b2057ebf0935da36a5160a89f0b29e34e3d94952043b8063e
[INFO] running `"docker" "start" "-a" "38cf34f89dd1193b2057ebf0935da36a5160a89f0b29e34e3d94952043b8063e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_gb-b87e2fb680bbcb38
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test gameboy::tests::opcode_tests::Call_instruction_tests::Call_moves_the_program_counter_to_the_call_location ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::Call_instruction_tests::Call_sets_the_stack_value_correctly ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::Call_instruction_tests::Call_instruction_takes_24_cycles ... ok
[INFO] [stdout] test gameboy::flags_register::test_flag ... ok
[INFO] [stdout] test gameboy::flags_register::set_flag_test ... ok
[INFO] [stdout] test gameboy::cpu::created_cpu_is_zero ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::Rotate_left_shifts_along_with_the_carry_flag ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::Rotate_left_sets_the_zero_flag_if_the_result_is_0 ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::RLA_instruction_rotate_left_through_carry::sets_all_flags_to_false_even_if_they_are_set ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::Push_instruction_tests::Push_moves_2_bytes_onto_the_stack ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::RLA_instruction_rotate_left_through_carry::RLA_cycles_the_A_register_left_through_carry ... ok
[INFO] [stdout] test gameboy::cpu::can_write_then_read ... ok
[INFO] [stdout] test gameboy::cpu::can_write_8_read_16 ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::increment_tests::increment_can_cause_a_half_overflow ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::increment_tests::N_flag_is_set_to_0 ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::increment_tests::increment_doesnt_reset_flags_set_flags ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::bit_instruction ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::increment_tests::increment_from_max_causes_overflow ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::increment_tests::increment_increases_the_value_in_the_registry ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::jump_instruction ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::load16_instructions ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::load8_instructions ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::nop_instruction ... ok
[INFO] [stdout] test gameboy::tests::opcode_tests::xor_instruction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "38cf34f89dd1193b2057ebf0935da36a5160a89f0b29e34e3d94952043b8063e"`
[INFO] running `"docker" "rm" "-f" "38cf34f89dd1193b2057ebf0935da36a5160a89f0b29e34e3d94952043b8063e"`
[INFO] [stdout] 38cf34f89dd1193b2057ebf0935da36a5160a89f0b29e34e3d94952043b8063e