[INFO] fetching crate chip_8 0.3.1...
[INFO] testing chip_8-0.3.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate chip_8 0.3.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate chip_8 0.3.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chip_8 0.3.1
[INFO] finished tweaking crates.io crate chip_8 0.3.1
[INFO] tweaked toml for crates.io crate chip_8 0.3.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e86661275c36ec77883a630bec3f8933fcc60a485603e911326c5713c901b122
[INFO] running `Command { std: "docker" "start" "-a" "e86661275c36ec77883a630bec3f8933fcc60a485603e911326c5713c901b122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e86661275c36ec77883a630bec3f8933fcc60a485603e911326c5713c901b122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e86661275c36ec77883a630bec3f8933fcc60a485603e911326c5713c901b122", kill_on_drop: false }`
[INFO] [stdout] e86661275c36ec77883a630bec3f8933fcc60a485603e911326c5713c901b122
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13d3d1a2cfd7e857508272fe7a2e3d7a16b19b03e57856e943a2430260bc364b
[INFO] running `Command { std: "docker" "start" "-a" "13d3d1a2cfd7e857508272fe7a2e3d7a16b19b03e57856e943a2430260bc364b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling chip_8 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]   --> src/vm.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     i: IRegisterValue,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Registers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/vm.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pc`
[INFO] [stdout]   --> src/vm.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pc: PCRegisterValue,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Registers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/vm.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `registers`
[INFO] [stdout]   --> src/vm.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     registers: Registers,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rng`
[INFO] [stdout]   --> src/vm.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     rng: R,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sys_fn`
[INFO] [stdout]   --> src/vm.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     sys_fn: fn(&mut Self, crate::instructions::Addr) -> crate::errors::Result<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keypad`
[INFO] [stdout]   --> src/vm.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     keypad: crate::keypad::Keypad,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `waiting_on_any_keypress`
[INFO] [stdout]   --> src/vm.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     waiting_on_any_keypress: Option<VRegister>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]   --> src/vm.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     display: Display,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute_instruction`
[INFO] [stdout]    --> src/vm.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn execute_instruction(&mut self, instruction: &Instruction) -> crate::errors::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.65s
[INFO] running `Command { std: "docker" "inspect" "13d3d1a2cfd7e857508272fe7a2e3d7a16b19b03e57856e943a2430260bc364b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d3d1a2cfd7e857508272fe7a2e3d7a16b19b03e57856e943a2430260bc364b", kill_on_drop: false }`
[INFO] [stdout] 13d3d1a2cfd7e857508272fe7a2e3d7a16b19b03e57856e943a2430260bc364b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ad908a2081b16c574b7ee2fbbaf92776e72ca64a4c9803c0f199acd616cfbb6
[INFO] running `Command { std: "docker" "start" "-a" "1ad908a2081b16c574b7ee2fbbaf92776e72ca64a4c9803c0f199acd616cfbb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling chip_8 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]   --> src/vm.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     i: IRegisterValue,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Registers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/vm.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pc`
[INFO] [stdout]   --> src/vm.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pc: PCRegisterValue,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Registers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/vm.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `registers`
[INFO] [stdout]   --> src/vm.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     registers: Registers,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rng`
[INFO] [stdout]   --> src/vm.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     rng: R,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sys_fn`
[INFO] [stdout]   --> src/vm.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     sys_fn: fn(&mut Self, crate::instructions::Addr) -> crate::errors::Result<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keypad`
[INFO] [stdout]   --> src/vm.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     keypad: crate::keypad::Keypad,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `waiting_on_any_keypress`
[INFO] [stdout]   --> src/vm.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     waiting_on_any_keypress: Option<VRegister>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]   --> src/vm.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     display: Display,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute_instruction`
[INFO] [stdout]    --> src/vm.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn execute_instruction(&mut self, instruction: &Instruction) -> crate::errors::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling version-sync v0.9.4
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.14s
[INFO] running `Command { std: "docker" "inspect" "1ad908a2081b16c574b7ee2fbbaf92776e72ca64a4c9803c0f199acd616cfbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad908a2081b16c574b7ee2fbbaf92776e72ca64a4c9803c0f199acd616cfbb6", kill_on_drop: false }`
[INFO] [stdout] 1ad908a2081b16c574b7ee2fbbaf92776e72ca64a4c9803c0f199acd616cfbb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b2ca7f2002bac6f598514578ca40d6ea4f225773234f5308496e3a05d2aa747
[INFO] running `Command { std: "docker" "start" "-a" "7b2ca7f2002bac6f598514578ca40d6ea4f225773234f5308496e3a05d2aa747", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `i`
[INFO] [stderr]   --> src/vm.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     i: IRegisterValue,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Registers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/vm.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 27 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pc`
[INFO] [stderr]   --> src/vm.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pc: PCRegisterValue,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Registers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/vm.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 27 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `registers`
[INFO] [stderr]   --> src/vm.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     registers: Registers,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rng`
[INFO] [stderr]   --> src/vm.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     rng: R,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sys_fn`
[INFO] [stderr]   --> src/vm.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     sys_fn: fn(&mut Self, crate::instructions::Addr) -> crate::errors::Result<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `keypad`
[INFO] [stderr]   --> src/vm.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     keypad: crate::keypad::Keypad,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `waiting_on_any_keypress`
[INFO] [stderr]   --> src/vm.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     waiting_on_any_keypress: Option<VRegister>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `display`
[INFO] [stderr]   --> src/vm.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     display: Display,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute_instruction`
[INFO] [stderr]    --> src/vm.rs:123:8
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn execute_instruction(&mut self, instruction: &Instruction) -> crate::errors::Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chip_8` (lib) generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chip_8-86b2492adeffc570)
[INFO] [stdout] 
[INFO] [stdout] running 95 tests
[INFO] [stdout] test display::tests::display_clear ... ok
[INFO] [stdout] test display::tests::display_draw_drawn ... ok
[INFO] [stdout] test display::tests::display_draw_overdrawn ... ok
[INFO] [stdout] test display::tests::pixel_xor ... ok
[INFO] [stdout] test display::tests::sprite_display ... ok
[INFO] [stdout] test display::tests::sprite_from_u8_slice ... ok
[INFO] [stdout] test display::tests::spriterow_from_u8 ... ok
[INFO] [stdout] test display::tests::xcoordinate_new ... ok
[INFO] [stdout] test display::tests::xcoordinate_wrappingadd ... ok
[INFO] [stdout] test display::tests::ycoordinate_new ... ok
[INFO] [stdout] test display::tests::ycoordinate_wrappingadd ... ok
[INFO] [stdout] test instructions::tests::decode_add ... ok
[INFO] [stdout] test instructions::tests::decode_add_operand ... ok
[INFO] [stdout] test instructions::tests::decode_addi ... ok
[INFO] [stdout] test instructions::tests::decode_and ... ok
[INFO] [stdout] test instructions::tests::decode_call ... ok
[INFO] [stdout] test instructions::tests::decode_clear ... ok
[INFO] [stdout] test instructions::tests::decode_draw ... ok
[INFO] [stdout] test instructions::tests::decode_jump ... ok
[INFO] [stdout] test instructions::tests::decode_load ... ok
[INFO] [stdout] test instructions::tests::decode_load_i ... ok
[INFO] [stdout] test instructions::tests::decode_load_operand ... ok
[INFO] [stdout] test instructions::tests::decode_loadbinarycodeddecimal ... ok
[INFO] [stdout] test instructions::tests::decode_loaddelaytimerregister ... ok
[INFO] [stdout] test instructions::tests::decode_loadkey ... ok
[INFO] [stdout] test instructions::tests::decode_loadmemoryregisters ... ok
[INFO] [stdout] test instructions::tests::decode_loadregisterdelaytimer ... ok
[INFO] [stdout] test instructions::tests::decode_loadregistersmemory ... ok
[INFO] [stdout] test instructions::tests::decode_loadsprite ... ok
[INFO] [stdout] test instructions::tests::decode_loadsounddimerregister ... ok
[INFO] [stdout] test instructions::tests::decode_long_jump ... ok
[INFO] [stdout] test instructions::tests::decode_or ... ok
[INFO] [stdout] test instructions::tests::decode_random ... ok
[INFO] [stdout] test instructions::tests::decode_return ... ok
[INFO] [stdout] test instructions::tests::decode_shift_left ... ok
[INFO] [stdout] test instructions::tests::decode_shift_right ... ok
[INFO] [stdout] test instructions::tests::decode_skip_equal ... ok
[INFO] [stdout] test instructions::tests::decode_skip_equal_operand ... ok
[INFO] [stdout] test instructions::tests::decode_skip_not_equal_operand ... ok
[INFO] [stdout] test instructions::tests::decode_skipkeynotpressed ... ok
[INFO] [stdout] test instructions::tests::decode_skip_not_equal ... ok
[INFO] [stdout] test instructions::tests::decode_skipkeypressed ... ok
[INFO] [stdout] test instructions::tests::decode_sub ... ok
[INFO] [stdout] test instructions::tests::decode_sub_negated ... ok
[INFO] [stdout] test instructions::tests::decode_sys ... ok
[INFO] [stdout] test instructions::tests::decode_xor ... ok
[INFO] [stdout] test instructions::tests::vregister_iter_to_v0 ... ok
[INFO] [stdout] test instructions::tests::vregister_iter_to_va ... ok
[INFO] [stdout] test instructions::tests::vregister_tryfrom_err ... ok
[INFO] [stdout] test instructions::tests::vregister_iter_to_vf ... ok
[INFO] [stdout] test instructions::tests::vregister_tryfrom_ok ... ok
[INFO] [stdout] test keypad::tests::keypad_default ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_add ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_add_operand_wrapping ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_add_operand ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_addi ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_add_overflow ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_draw ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_and ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_jump ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_load ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_loadbinarycodeddecimal ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_loadkey ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_loadmemoryregisters_one ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_load_operand ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_loadmemoryregisters_all ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_loadi ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_loadregistersmemory_all ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_loadregistersmemory_one ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_loadsprite ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_longjump ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_or ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_random ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_shiftleft ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_shiftleft_inplace ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_shiftright_inplace ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_shiftleft_inplace_overflow ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_shiftright_inplace_overflow ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_shiftright ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_skipequal ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_skipequaloperand ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_skipkeynotpressed ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_sub ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_skipkeypressed ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_skipnotequaloperand ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_sub_borrow ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_skipnotequal ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_subnegated ... ok
[INFO] [stdout] test instructions::tests::instruction_decode_encode ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_sys_sysfn ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_subnegated_borrow ... ok
[INFO] [stdout] test vm::tests::vregisters_set_get ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_sys_default ... ok
[INFO] [stdout] test vm::tests::vm_execute_instruction_xor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 95 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chip_8
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b2ca7f2002bac6f598514578ca40d6ea4f225773234f5308496e3a05d2aa747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b2ca7f2002bac6f598514578ca40d6ea4f225773234f5308496e3a05d2aa747", kill_on_drop: false }`
[INFO] [stdout] 7b2ca7f2002bac6f598514578ca40d6ea4f225773234f5308496e3a05d2aa747