[INFO] updating cached repository douglascorrea/gbrustemu [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/douglascorrea/gbrustemu [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/douglascorrea/gbrustemu" "work/ex/beta-1.38-1/sources/1.37.0/gh/douglascorrea/gbrustemu"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/douglascorrea/gbrustemu'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/douglascorrea/gbrustemu" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/douglascorrea/gbrustemu"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/douglascorrea/gbrustemu'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7604ed03544f1c434b38e4953835e0f1de9acc9c [INFO] sha for GitHub repo douglascorrea/gbrustemu: 7604ed03544f1c434b38e4953835e0f1de9acc9c [INFO] validating manifest of douglascorrea/gbrustemu 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 douglascorrea/gbrustemu 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 douglascorrea/gbrustemu [INFO] finished frobbing douglascorrea/gbrustemu [INFO] frobbed toml for douglascorrea/gbrustemu written to work/ex/beta-1.38-1/sources/1.37.0/gh/douglascorrea/gbrustemu/Cargo.toml [INFO] started frobbing douglascorrea/gbrustemu [INFO] finished frobbing douglascorrea/gbrustemu [INFO] frobbed toml for douglascorrea/gbrustemu written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/douglascorrea/gbrustemu/Cargo.toml [INFO] crate douglascorrea/gbrustemu 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 douglascorrea/gbrustemu against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/douglascorrea/gbrustemu:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 56ff30b36fff87b8b679ae6dadabf198191b87a298fbe79446f0d35799657e98 [INFO] running `"docker" "start" "-a" "56ff30b36fff87b8b679ae6dadabf198191b87a298fbe79446f0d35799657e98"` [INFO] [stderr] Compiling gbrustemu v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `cb_d16` [INFO] [stderr] --> src/cpu.rs:278:13 [INFO] [stderr] | [INFO] [stderr] 278 | let cb_d16: u16 = (cb_n2 << 8) | cb_n1; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_cb_d16` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `de` [INFO] [stderr] --> src/cpu.rs:639:21 [INFO] [stderr] | [INFO] [stderr] 639 | let de: u16 = d16 | (self.e as u16); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_de` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cpu.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | let mut cpu = CPU { [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: variable does not need to be mutable [INFO] [stderr] --> src/mmu.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | let mut mem = MMU { ram: [0; 65_536] }; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_n_flag` [INFO] [stderr] --> src/cpu.rs:99:5 [INFO] [stderr] | [INFO] [stderr] 99 | fn set_n_flag(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `calc_half_carry_on_u16_sub` [INFO] [stderr] --> src/cpu.rs:152:5 [INFO] [stderr] | [INFO] [stderr] 152 | fn calc_half_carry_on_u16_sub(&self, value_a: u16, value_b: u16) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `WIDTH` [INFO] [stderr] --> src/ppu.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | const WIDTH: usize = 256; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `HEIGHT` [INFO] [stderr] --> src/ppu.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | const HEIGHT: usize = 256; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | f.read_to_end(&mut rom_file); [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] Finished dev [unoptimized + debuginfo] target(s) in 1.75s [INFO] running `"docker" "inspect" "56ff30b36fff87b8b679ae6dadabf198191b87a298fbe79446f0d35799657e98"` [INFO] running `"docker" "rm" "-f" "56ff30b36fff87b8b679ae6dadabf198191b87a298fbe79446f0d35799657e98"` [INFO] [stdout] 56ff30b36fff87b8b679ae6dadabf198191b87a298fbe79446f0d35799657e98 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/douglascorrea/gbrustemu:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] a7cd9223c748abb493898ac9ac69ad9cccf3d9806a3b7cc384ff3083fd862f27 [INFO] running `"docker" "start" "-a" "a7cd9223c748abb493898ac9ac69ad9cccf3d9806a3b7cc384ff3083fd862f27"` [INFO] [stderr] Compiling gbrustemu v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | f.read_to_end(&mut rom_file); [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 variable: `cb_d16` [INFO] [stderr] --> src/cpu.rs:278:13 [INFO] [stderr] | [INFO] [stderr] 278 | let cb_d16: u16 = (cb_n2 << 8) | cb_n1; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_cb_d16` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `de` [INFO] [stderr] --> src/cpu.rs:639:21 [INFO] [stderr] | [INFO] [stderr] 639 | let de: u16 = d16 | (self.e as u16); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_de` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cpu.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | let mut cpu = CPU { [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: variable does not need to be mutable [INFO] [stderr] --> src/mmu.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | let mut mem = MMU { ram: [0; 65_536] }; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_n_flag` [INFO] [stderr] --> src/cpu.rs:99:5 [INFO] [stderr] | [INFO] [stderr] 99 | fn set_n_flag(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `calc_half_carry_on_u16_sub` [INFO] [stderr] --> src/cpu.rs:152:5 [INFO] [stderr] | [INFO] [stderr] 152 | fn calc_half_carry_on_u16_sub(&self, value_a: u16, value_b: u16) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `WIDTH` [INFO] [stderr] --> src/ppu.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | const WIDTH: usize = 256; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `HEIGHT` [INFO] [stderr] --> src/ppu.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | const HEIGHT: usize = 256; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `"docker" "inspect" "a7cd9223c748abb493898ac9ac69ad9cccf3d9806a3b7cc384ff3083fd862f27"` [INFO] running `"docker" "rm" "-f" "a7cd9223c748abb493898ac9ac69ad9cccf3d9806a3b7cc384ff3083fd862f27"` [INFO] [stdout] a7cd9223c748abb493898ac9ac69ad9cccf3d9806a3b7cc384ff3083fd862f27 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/douglascorrea/gbrustemu:/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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] a11dbc7ee536a5f181439edd84486533af11a1b7ea72b62c625798f80b431e4f [INFO] running `"docker" "start" "-a" "a11dbc7ee536a5f181439edd84486533af11a1b7ea72b62c625798f80b431e4f"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/gbrustemu-2d4517c220674041 [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] Running /opt/crater/target/debug/deps/gbrustemu-28bbc37108fb506f [INFO] [stdout] [INFO] [stderr] Doc-tests gbrustemu [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] [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" "a11dbc7ee536a5f181439edd84486533af11a1b7ea72b62c625798f80b431e4f"` [INFO] running `"docker" "rm" "-f" "a11dbc7ee536a5f181439edd84486533af11a1b7ea72b62c625798f80b431e4f"` [INFO] [stdout] a11dbc7ee536a5f181439edd84486533af11a1b7ea72b62c625798f80b431e4f