[INFO] updating cached repository ginryuoku/rust-chip8 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ginryuoku/rust-chip8 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ginryuoku/rust-chip8" "work/ex/beta-1.38-1/sources/1.37.0/gh/ginryuoku/rust-chip8"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ginryuoku/rust-chip8'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ginryuoku/rust-chip8" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ginryuoku/rust-chip8"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ginryuoku/rust-chip8'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2fac3a45b729c9cfb9870684be30392669c539b6 [INFO] sha for GitHub repo ginryuoku/rust-chip8: 2fac3a45b729c9cfb9870684be30392669c539b6 [INFO] validating manifest of ginryuoku/rust-chip8 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 ginryuoku/rust-chip8 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 ginryuoku/rust-chip8 [INFO] finished frobbing ginryuoku/rust-chip8 [INFO] frobbed toml for ginryuoku/rust-chip8 written to work/ex/beta-1.38-1/sources/1.37.0/gh/ginryuoku/rust-chip8/Cargo.toml [INFO] started frobbing ginryuoku/rust-chip8 [INFO] finished frobbing ginryuoku/rust-chip8 [INFO] frobbed toml for ginryuoku/rust-chip8 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ginryuoku/rust-chip8/Cargo.toml [INFO] crate ginryuoku/rust-chip8 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 ginryuoku/rust-chip8 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/ginryuoku/rust-chip8:/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] efacd0c06b0516e6769f7ab9acce493981e8c005047120d5c82183850c48bd85 [INFO] running `"docker" "start" "-a" "efacd0c06b0516e6769f7ab9acce493981e8c005047120d5c82183850c48bd85"` [INFO] [stderr] Compiling rust-chip8 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ram.rs:46:47 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn read_byte(&mut self, address: u16, value: u8) -> u8 { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ram` [INFO] [stderr] --> src/cpu.rs:20:39 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn run_instruction(&mut self, ram: &mut Ram) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_ram` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_byte` [INFO] [stderr] --> src/ram.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn read_byte(&mut self, address: u16, value: u8) -> u8 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `vx` [INFO] [stderr] --> src/cpu.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | vx: [u8; 16], [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `pc` [INFO] [stderr] --> src/cpu.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | pc: u16, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `i` [INFO] [stderr] --> src/cpu.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | i: u16 [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | file.read_to_end(&mut data); [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 0.77s [INFO] running `"docker" "inspect" "efacd0c06b0516e6769f7ab9acce493981e8c005047120d5c82183850c48bd85"` [INFO] running `"docker" "rm" "-f" "efacd0c06b0516e6769f7ab9acce493981e8c005047120d5c82183850c48bd85"` [INFO] [stdout] efacd0c06b0516e6769f7ab9acce493981e8c005047120d5c82183850c48bd85 [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/ginryuoku/rust-chip8:/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] 0e01d291e3efe6b7ca1dd6386e5da4086bbac1e60fe7aefb7ba8abff66a67730 [INFO] running `"docker" "start" "-a" "0e01d291e3efe6b7ca1dd6386e5da4086bbac1e60fe7aefb7ba8abff66a67730"` [INFO] [stderr] Compiling rust-chip8 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ram.rs:46:47 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn read_byte(&mut self, address: u16, value: u8) -> u8 { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ram` [INFO] [stderr] --> src/cpu.rs:20:39 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn run_instruction(&mut self, ram: &mut Ram) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_ram` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_byte` [INFO] [stderr] --> src/ram.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn read_byte(&mut self, address: u16, value: u8) -> u8 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `vx` [INFO] [stderr] --> src/cpu.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | vx: [u8; 16], [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `pc` [INFO] [stderr] --> src/cpu.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | pc: u16, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `i` [INFO] [stderr] --> src/cpu.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | i: u16 [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | file.read_to_end(&mut data); [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 0.60s [INFO] running `"docker" "inspect" "0e01d291e3efe6b7ca1dd6386e5da4086bbac1e60fe7aefb7ba8abff66a67730"` [INFO] running `"docker" "rm" "-f" "0e01d291e3efe6b7ca1dd6386e5da4086bbac1e60fe7aefb7ba8abff66a67730"` [INFO] [stdout] 0e01d291e3efe6b7ca1dd6386e5da4086bbac1e60fe7aefb7ba8abff66a67730 [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/ginryuoku/rust-chip8:/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] 3fbf6170a05b4079dd6d6fd4f253bfade71ccfca013d4279f066fbd99ebe2d1e [INFO] running `"docker" "start" "-a" "3fbf6170a05b4079dd6d6fd4f253bfade71ccfca013d4279f066fbd99ebe2d1e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_chip8-43b251ffb043351e [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" "3fbf6170a05b4079dd6d6fd4f253bfade71ccfca013d4279f066fbd99ebe2d1e"` [INFO] running `"docker" "rm" "-f" "3fbf6170a05b4079dd6d6fd4f253bfade71ccfca013d4279f066fbd99ebe2d1e"` [INFO] [stdout] 3fbf6170a05b4079dd6d6fd4f253bfade71ccfca013d4279f066fbd99ebe2d1e