[INFO] updating cached repository https://github.com/Wilfred/gameboy_emulator
[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] eb31f039427370ca7a2c6547acab8a4d8cd3c732
[INFO] testing Wilfred/gameboy_emulator against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilfred%2Fgameboy_emulator" "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/Wilfred/gameboy_emulator on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Wilfred/gameboy_emulator
[INFO] finished tweaking git repo https://github.com/Wilfred/gameboy_emulator
[INFO] tweaked toml for git repo https://github.com/Wilfred/gameboy_emulator written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Wilfred/gameboy_emulator already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 6272a2a4818622b4ff58cf6a44e995596570061a046074e0dd5b2f2685ee62a2
[INFO] running `"docker" "start" "-a" "6272a2a4818622b4ff58cf6a44e995596570061a046074e0dd5b2f2685ee62a2"`
[INFO] [stderr]    Compiling gameboy_emulator v0.0.1 (/opt/rustwide/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 1.12s
[INFO] running `"docker" "inspect" "6272a2a4818622b4ff58cf6a44e995596570061a046074e0dd5b2f2685ee62a2"`
[INFO] running `"docker" "rm" "-f" "6272a2a4818622b4ff58cf6a44e995596570061a046074e0dd5b2f2685ee62a2"`
[INFO] [stdout] 6272a2a4818622b4ff58cf6a44e995596570061a046074e0dd5b2f2685ee62a2
[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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9b3864bba0191b969bb12d5183652ca9a6e14b83717b9d163408002d3eaeafd1
[INFO] running `"docker" "start" "-a" "9b3864bba0191b969bb12d5183652ca9a6e14b83717b9d163408002d3eaeafd1"`
[INFO] [stderr]    Compiling gameboy_emulator v0.0.1 (/opt/rustwide/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 0.55s
[INFO] running `"docker" "inspect" "9b3864bba0191b969bb12d5183652ca9a6e14b83717b9d163408002d3eaeafd1"`
[INFO] running `"docker" "rm" "-f" "9b3864bba0191b969bb12d5183652ca9a6e14b83717b9d163408002d3eaeafd1"`
[INFO] [stdout] 9b3864bba0191b969bb12d5183652ca9a6e14b83717b9d163408002d3eaeafd1
[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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] ae2ac0d71883306c3aeab19f9ed2cf38f3686693b4a45a18a42020129584ee1a
[INFO] running `"docker" "start" "-a" "ae2ac0d71883306c3aeab19f9ed2cf38f3686693b4a45a18a42020129584ee1a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gameboy_emulator-e1fefaf1e503f09b
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test instructions::decode_dec ... ok
[INFO] [stdout] test instructions::decode_bit_7_h ... ok
[INFO] [stdout] test instructions::decode_inc_c ... ok
[INFO] [stdout] test instructions::decode_jr_nz ... ok
[INFO] [stdout] test instructions::decode_ld_a ... ok
[INFO] [stdout] test instructions::decode_ld_c ... ok
[INFO] [stdout] test instructions::decode_ld_hl ... ok
[INFO] [stdout] test instructions::decode_ld_mem_offset ... ok
[INFO] [stdout] test instructions::decode_ld_rel_hl ... ok
[INFO] [stdout] test instructions::decode_ldd_hl_a ... ok
[INFO] [stdout] test instructions::decode_nop ... ok
[INFO] [stdout] test instructions::decode_rrc ... ok
[INFO] [stdout] test instructions::decode_offset ... ok
[INFO] [stdout] test instructions::decode_sp_immediate ... ok
[INFO] [stdout] test instructions::decode_or ... 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::xor_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] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ae2ac0d71883306c3aeab19f9ed2cf38f3686693b4a45a18a42020129584ee1a"`
[INFO] running `"docker" "rm" "-f" "ae2ac0d71883306c3aeab19f9ed2cf38f3686693b4a45a18a42020129584ee1a"`
[INFO] [stdout] ae2ac0d71883306c3aeab19f9ed2cf38f3686693b4a45a18a42020129584ee1a