[INFO] updating cached repository https://github.com/oem/gg-gb
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 73672940eaff2a8dd2adb1d6271a49ba63c5d460
[INFO] testing oem/gg-gb against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Foem%2Fgg-gb" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oem/gg-gb on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/oem/gg-gb
[INFO] finished tweaking git repo https://github.com/oem/gg-gb
[INFO] tweaked toml for git repo https://github.com/oem/gg-gb written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/oem/gg-gb already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 7e4e90bfbdb0e41b386432b2660a47ee4b4435d39f0beaf2c1d2310bfdcf2040
[INFO] running `"docker" "start" "-a" "7e4e90bfbdb0e41b386432b2660a47ee4b4435d39f0beaf2c1d2310bfdcf2040"`
[INFO] [stderr]    Compiling gg-gb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/instructions/mod.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             _ => { /* TODO: implement more instructions */ }
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/instructions/mod.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let mut instruction_byte = self.bus.read_byte(self.pc);
[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: struct is never constructed: `CPU`
[INFO] [stderr]  --> src/instructions/mod.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct CPU {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MemoryBus`
[INFO] [stderr]  --> src/instructions/mod.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct MemoryBus {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_byte`
[INFO] [stderr]   --> src/instructions/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn read_byte(&self, address: u16) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Instruction`
[INFO] [stderr]   --> src/instructions/mod.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | enum Instruction {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_byte`
[INFO] [stderr]   --> src/instructions/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn from_byte(byte: u8) -> Option<Instruction> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `IncDecTarget`
[INFO] [stderr]   --> src/instructions/mod.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | enum IncDecTarget {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ArithmeticTarget`
[INFO] [stderr]   --> src/instructions/mod.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | enum ArithmeticTarget {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute`
[INFO] [stderr]   --> src/instructions/mod.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn execute(&mut self, instruction: Instruction) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `step`
[INFO] [stderr]   --> src/instructions/mod.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn step(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/instructions/mod.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn add(&mut self, value: u8) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_bc`
[INFO] [stderr]   --> src/registers/registers.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn get_bc(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_bc`
[INFO] [stderr]   --> src/registers/registers.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn set_bc(&mut self, value: u16) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_de`
[INFO] [stderr]   --> src/registers/registers.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn get_de(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_de`
[INFO] [stderr]   --> src/registers/registers.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn set_de(&mut self, value: u16) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::num::<impl u16>::wrapping_add` that must be used
[INFO] [stderr]   --> src/instructions/mod.rs:58:25
[INFO] [stderr]    |
[INFO] [stderr] 58 |                         self.pc.wrapping_add(1);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this returns the result of the operation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "7e4e90bfbdb0e41b386432b2660a47ee4b4435d39f0beaf2c1d2310bfdcf2040"`
[INFO] running `"docker" "rm" "-f" "7e4e90bfbdb0e41b386432b2660a47ee4b4435d39f0beaf2c1d2310bfdcf2040"`
[INFO] [stdout] 7e4e90bfbdb0e41b386432b2660a47ee4b4435d39f0beaf2c1d2310bfdcf2040
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0be798cc01339568b0fe3e5d736554d4b98d0e65411c23db3fe2d8d5f103b92f
[INFO] running `"docker" "start" "-a" "0be798cc01339568b0fe3e5d736554d4b98d0e65411c23db3fe2d8d5f103b92f"`
[INFO] [stderr]    Compiling gg-gb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/instructions/mod.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             _ => { /* TODO: implement more instructions */ }
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/instructions/mod.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let mut instruction_byte = self.bus.read_byte(self.pc);
[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: `bus`
[INFO] [stderr]  --> src/instructions/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     bus: MemoryBus,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `memory`
[INFO] [stderr]   --> src/instructions/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     memory: [u8; 0xFFFF],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_byte`
[INFO] [stderr]   --> src/instructions/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn read_byte(&self, address: u16) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `INC`
[INFO] [stderr]   --> src/instructions/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     INC(IncDecTarget),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_byte`
[INFO] [stderr]   --> src/instructions/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn from_byte(byte: u8) -> Option<Instruction> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BC`
[INFO] [stderr]   --> src/instructions/mod.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     BC,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DE`
[INFO] [stderr]   --> src/instructions/mod.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     DE,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]   --> src/instructions/mod.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     A,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B`
[INFO] [stderr]   --> src/instructions/mod.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     B,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D`
[INFO] [stderr]   --> src/instructions/mod.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     D,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E`
[INFO] [stderr]   --> src/instructions/mod.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     E,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F`
[INFO] [stderr]   --> src/instructions/mod.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     F,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H`
[INFO] [stderr]   --> src/instructions/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     H,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `L`
[INFO] [stderr]   --> src/instructions/mod.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     L,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `step`
[INFO] [stderr]   --> src/instructions/mod.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn step(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::num::<impl u16>::wrapping_add` that must be used
[INFO] [stderr]   --> src/instructions/mod.rs:58:25
[INFO] [stderr]    |
[INFO] [stderr] 58 |                         self.pc.wrapping_add(1);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this returns the result of the operation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "0be798cc01339568b0fe3e5d736554d4b98d0e65411c23db3fe2d8d5f103b92f"`
[INFO] running `"docker" "rm" "-f" "0be798cc01339568b0fe3e5d736554d4b98d0e65411c23db3fe2d8d5f103b92f"`
[INFO] [stdout] 0be798cc01339568b0fe3e5d736554d4b98d0e65411c23db3fe2d8d5f103b92f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 7292f899715c6c0dd3cd456e7f1ef3fd58fe26a6eeefc622d87ae3f2ba54ebe9
[INFO] running `"docker" "start" "-a" "7292f899715c6c0dd3cd456e7f1ef3fd58fe26a6eeefc622d87ae3f2ba54ebe9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gg_gb-eebcd1036a4bfa3c
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test instructions::tests::inc_bc_will_increase ... ok
[INFO] [stdout] test registers::flags_register::tests::convert_carry_flag_into_u8 ... ok
[INFO] [stdout] test registers::flags_register::tests::convert_some_into_u8 ... ok
[INFO] [stdout] test registers::flags_register::tests::convert_half_carry_into_u8 ... ok
[INFO] [stdout] test registers::flags_register::tests::convert_substract_flag_into_u8 ... ok
[INFO] [stdout] test instructions::tests::add_with_nibble_overflow_sets_half_carry ... ok
[INFO] [stdout] test registers::flags_register::tests::convert_u8_into_zero_flag ... ok
[INFO] [stdout] test registers::flags_register::tests::convert_u8_into_half_carry_flag ... ok
[INFO] [stdout] test registers::flags_register::tests::convert_u8_into_carry_flag ... ok
[INFO] [stdout] test registers::flags_register::tests::convert_u8_into_substract_flag ... ok
[INFO] [stdout] test instructions::tests::add_sets_the_flags_to_false ... ok
[INFO] [stdout] test instructions::tests::add_c_to_a ... ok
[INFO] [stdout] test registers::registers::tests::getting_16_bit_from_d_and_e ... ok
[INFO] [stdout] test registers::flags_register::tests::convert_zero_flag_into_u8 ... ok
[INFO] [stdout] test registers::registers::tests::getting_16_bit_from_b_and_c ... ok
[INFO] [stdout] test registers::registers::tests::writing_16_bit_value_into_b_and_c ... ok
[INFO] [stdout] test registers::registers::tests::writing_16_bit_value_into_d_and_e ... ok
[INFO] [stdout] test registers::tests::using_flags_register ... ok
[INFO] [stdout] test instructions::tests::add_with_overflow_sets_carry ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gg_gb-90575de7df279a01
[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] [stderr]    Doc-tests gg-gb
[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" "7292f899715c6c0dd3cd456e7f1ef3fd58fe26a6eeefc622d87ae3f2ba54ebe9"`
[INFO] running `"docker" "rm" "-f" "7292f899715c6c0dd3cd456e7f1ef3fd58fe26a6eeefc622d87ae3f2ba54ebe9"`
[INFO] [stdout] 7292f899715c6c0dd3cd456e7f1ef3fd58fe26a6eeefc622d87ae3f2ba54ebe9