[INFO] updating cached repository Wilfred/gameboy_emulator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Wilfred/gameboy_emulator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Wilfred/gameboy_emulator" "work/ex/beta-1.37-6/sources/1.36.0/gh/Wilfred/gameboy_emulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Wilfred/gameboy_emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Wilfred/gameboy_emulator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Wilfred/gameboy_emulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Wilfred/gameboy_emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eb31f039427370ca7a2c6547acab8a4d8cd3c732
[INFO] sha for GitHub repo Wilfred/gameboy_emulator: eb31f039427370ca7a2c6547acab8a4d8cd3c732
[INFO] validating manifest of Wilfred/gameboy_emulator on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Wilfred/gameboy_emulator on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Wilfred/gameboy_emulator
[INFO] finished frobbing Wilfred/gameboy_emulator
[INFO] frobbed toml for Wilfred/gameboy_emulator written to work/ex/beta-1.37-6/sources/1.36.0/gh/Wilfred/gameboy_emulator/Cargo.toml
[INFO] started frobbing Wilfred/gameboy_emulator
[INFO] finished frobbing Wilfred/gameboy_emulator
[INFO] frobbed toml for Wilfred/gameboy_emulator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Wilfred/gameboy_emulator/Cargo.toml
[INFO] crate Wilfred/gameboy_emulator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Wilfred/gameboy_emulator against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Wilfred/gameboy_emulator:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] d1e61b85e3fbc636b67c9c7dd3edef95b7175026ea7c244b1107e3f926893873
[INFO] running `"docker" "start" "-a" "d1e61b85e3fbc636b67c9c7dd3edef95b7175026ea7c244b1107e3f926893873"`
[INFO] [stderr]    Compiling gameboy_emulator v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/instructions.rs:380:17
[INFO] [stderr]     |
[INFO] [stderr] 380 |             let mut reg = register8(cpu, target);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `memory`
[INFO] [stderr]   --> src/instructions.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     memory: [u8; 65536],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "d1e61b85e3fbc636b67c9c7dd3edef95b7175026ea7c244b1107e3f926893873"`
[INFO] running `"docker" "rm" "-f" "d1e61b85e3fbc636b67c9c7dd3edef95b7175026ea7c244b1107e3f926893873"`
[INFO] [stdout] d1e61b85e3fbc636b67c9c7dd3edef95b7175026ea7c244b1107e3f926893873
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Wilfred/gameboy_emulator:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fad0f98bd968e075493ab23e4b034d955ef1bd4fef13f589ed883e78132ac75c
[INFO] running `"docker" "start" "-a" "fad0f98bd968e075493ab23e4b034d955ef1bd4fef13f589ed883e78132ac75c"`
[INFO] [stderr]    Compiling gameboy_emulator v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/instructions.rs:380:17
[INFO] [stderr]     |
[INFO] [stderr] 380 |             let mut reg = register8(cpu, target);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `memory`
[INFO] [stderr]   --> src/instructions.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     memory: [u8; 65536],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/instructions.rs:450:5
[INFO] [stderr]     |
[INFO] [stderr] 450 |     step(&mut cpu, Nop);
[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/instructions.rs:460:5
[INFO] [stderr]     |
[INFO] [stderr] 460 |     step(&mut cpu, Increment(Operand8::Register(A)));
[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/instructions.rs:473:5
[INFO] [stderr]     |
[INFO] [stderr] 473 |     step(&mut cpu, Increment(Operand8::Register(A)));
[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/instructions.rs:530:5
[INFO] [stderr]     |
[INFO] [stderr] 530 |     step(&mut cpu, decode(&bytes, 0).unwrap());
[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 1.81s
[INFO] running `"docker" "inspect" "fad0f98bd968e075493ab23e4b034d955ef1bd4fef13f589ed883e78132ac75c"`
[INFO] running `"docker" "rm" "-f" "fad0f98bd968e075493ab23e4b034d955ef1bd4fef13f589ed883e78132ac75c"`
[INFO] [stdout] fad0f98bd968e075493ab23e4b034d955ef1bd4fef13f589ed883e78132ac75c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Wilfred/gameboy_emulator:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ffe5fe346744093d81424490ecdeedbb8ee937f571ff49a4f6aef720ac3a8960
[INFO] running `"docker" "start" "-a" "ffe5fe346744093d81424490ecdeedbb8ee937f571ff49a4f6aef720ac3a8960"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gameboy_emulator-37cd1c8809023c95
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test instructions::decode_jr_nz ... ok
[INFO] [stdout] test instructions::decode_inc_c ... ok
[INFO] [stdout] test instructions::decode_ld_a ... ok
[INFO] [stdout] test instructions::decode_nop ... ok
[INFO] [stdout] test instructions::decode_ldd_hl_a ... ok
[INFO] [stdout] test instructions::decode_ld_rel_hl ... ok
[INFO] [stdout] test instructions::decode_ld_hl ... ok
[INFO] [stdout] test instructions::decode_ld_mem_offset ... ok
[INFO] [stdout] test instructions::decode_or ... ok
[INFO] [stdout] test instructions::decode_rrc ... ok
[INFO] [stdout] test instructions::decode_sp_immediate ... ok
[INFO] [stdout] test instructions::decode_sp_immediate_arbtirary_offset ... ok
[INFO] [stdout] test instructions::decode_xor ... ok
[INFO] [stdout] test instructions::decode_xor_immediate ... ok
[INFO] [stdout] test instructions::ld_size ... ok
[INFO] [stdout] test instructions::step_inc ... ok
[INFO] [stdout] test instructions::step_inc_wraps ... ok
[INFO] [stdout] test instructions::step_nop ... ok
[INFO] [stdout] test instructions::step_xor_a ... ok
[INFO] [stdout] test instructions::xor_size ... ok
[INFO] [stdout] test instructions::decode_bit_7_h ... ok
[INFO] [stdout] test instructions::decode_offset ... ok
[INFO] [stdout] test instructions::decode_ld_c ... ok
[INFO] [stdout] test instructions::decode_dec ... 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" "ffe5fe346744093d81424490ecdeedbb8ee937f571ff49a4f6aef720ac3a8960"`
[INFO] running `"docker" "rm" "-f" "ffe5fe346744093d81424490ecdeedbb8ee937f571ff49a4f6aef720ac3a8960"`
[INFO] [stdout] ffe5fe346744093d81424490ecdeedbb8ee937f571ff49a4f6aef720ac3a8960