[INFO] cloning repository https://github.com/pcein/chip8_emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pcein/chip8_emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcein%2Fchip8_emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcein%2Fchip8_emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5c4288b44bbe047d7445446b120f69b26af39d2
[INFO] checking pcein/chip8_emu against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcein%2Fchip8_emu" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pcein/chip8_emu on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pcein/chip8_emu
[INFO] finished tweaking git repo https://github.com/pcein/chip8_emu
[INFO] tweaked toml for git repo https://github.com/pcein/chip8_emu written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/pcein/chip8_emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.1.5
[INFO] [stderr]   Downloaded maplit v1.0.0
[INFO] [stderr]   Downloaded structopt-derive v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d62a59fcefd2b6d6f4b158789b4896c6e4d695d34e34cf1f54d80a9691a285e7
[INFO] running `Command { std: "docker" "start" "-a" "d62a59fcefd2b6d6f4b158789b4896c6e4d695d34e34cf1f54d80a9691a285e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d62a59fcefd2b6d6f4b158789b4896c6e4d695d34e34cf1f54d80a9691a285e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62a59fcefd2b6d6f4b158789b4896c6e4d695d34e34cf1f54d80a9691a285e7", kill_on_drop: false }`
[INFO] [stdout] d62a59fcefd2b6d6f4b158789b4896c6e4d695d34e34cf1f54d80a9691a285e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10d8373057682baf15b0b66d26e1c3deef673421b4a310d953aaa1d18e62874d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "10d8373057682baf15b0b66d26e1c3deef673421b4a310d953aaa1d18e62874d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking maplit v1.0.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]    Compiling structopt-derive v0.1.5
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking structopt v0.1.5
[INFO] [stderr]     Checking chip8_emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:663:1
[INFO] [stdout]     |
[INFO] [stdout] 663 | /// INSN_LUT1 is an instruction lookup table; used for decoding an 
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:664:1
[INFO] [stdout]     |
[INFO] [stdout] 664 | /// instruction based on its leftmost nibble.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:682:1
[INFO] [stdout]     |
[INFO] [stdout] 682 | /// There are multiple instructions whose opcodes start with
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:683:1
[INFO] [stdout]     |
[INFO] [stdout] 683 | /// the leftmost nibble equal to 8. These instructions are uniquely
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:684:1
[INFO] [stdout]     |
[INFO] [stdout] 684 | /// identified based on the value of their rightmost nibble. INSN_LUT2
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:685:1
[INFO] [stdout]     |
[INFO] [stdout] 685 | /// is used to perform this identification.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:700:1
[INFO] [stdout]     |
[INFO] [stdout] 700 | /// There are multiple instructions whose opcodes start
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:701:1
[INFO] [stdout]     |
[INFO] [stdout] 701 | /// with the leftmost nibble equal to 0xf. INSN_LUT3 identifies
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:702:1
[INFO] [stdout]     |
[INFO] [stdout] 702 | /// these instructions based on the value of their least 
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:703:1
[INFO] [stdout]     |
[INFO] [stdout] 703 | /// significant byte. 
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/screen.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// CHIP-8 uses keys from 0,1,...9 and a, b, ... f.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/screen.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | /// These are assigned codes from 0, 1, ... 0xf.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/screen.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | /// CHIP-8 uses only two colors: 0 for OFF and
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/screen.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | /// 1 for ON.
[INFO] [stdout]    | ^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cpu.rs:665:1
[INFO] [stdout]     |
[INFO] [stdout] 665 | / lazy_static! {
[INFO] [stdout] 666 | |      static  ref  INSN_LUT1:HashMap<u8, InsnPtr> = hashmap! {
[INFO] [stdout] 667 | |         1 => CPU::jmp as InsnPtr,
[INFO] [stdout] 668 | |         2 => CPU::call as InsnPtr,
[INFO] [stdout] ...   |
[INFO] [stdout] 679 | |     };
[INFO] [stdout] 680 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cpu.rs:665:1
[INFO] [stdout]     |
[INFO] [stdout] 665 | / lazy_static! {
[INFO] [stdout] 666 | |      static  ref  INSN_LUT1:HashMap<u8, InsnPtr> = hashmap! {
[INFO] [stdout] 667 | |         1 => CPU::jmp as InsnPtr,
[INFO] [stdout] 668 | |         2 => CPU::call as InsnPtr,
[INFO] [stdout] ...   |
[INFO] [stdout] 679 | |     };
[INFO] [stdout] 680 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cpu.rs:686:1
[INFO] [stdout]     |
[INFO] [stdout] 686 | / lazy_static! {
[INFO] [stdout] 687 | |     static ref INSN_LUT2: HashMap<u8, InsnPtr> = hashmap! {
[INFO] [stdout] 688 | |         0 => CPU::assign_vy_to_vx as InsnPtr,
[INFO] [stdout] 689 | |         1 => CPU::assign_vx_or_vy_to_vx as InsnPtr,
[INFO] [stdout] ...   |
[INFO] [stdout] 697 | |     };
[INFO] [stdout] 698 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cpu.rs:686:1
[INFO] [stdout]     |
[INFO] [stdout] 686 | / lazy_static! {
[INFO] [stdout] 687 | |     static ref INSN_LUT2: HashMap<u8, InsnPtr> = hashmap! {
[INFO] [stdout] 688 | |         0 => CPU::assign_vy_to_vx as InsnPtr,
[INFO] [stdout] 689 | |         1 => CPU::assign_vx_or_vy_to_vx as InsnPtr,
[INFO] [stdout] ...   |
[INFO] [stdout] 697 | |     };
[INFO] [stdout] 698 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cpu.rs:704:1
[INFO] [stdout]     |
[INFO] [stdout] 704 | / lazy_static! {
[INFO] [stdout] 705 | |     static ref INSN_LUT3: HashMap<u8, InsnPtr> = hashmap! {
[INFO] [stdout] 706 | |         0x1e => CPU::assign_i_plus_vx_to_i as InsnPtr,
[INFO] [stdout] 707 | |         0x33 => CPU::store_bcd_of_vx_to_mem as InsnPtr,
[INFO] [stdout] ...   |
[INFO] [stdout] 715 | |     };
[INFO] [stdout] 716 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cpu.rs:704:1
[INFO] [stdout]     |
[INFO] [stdout] 704 | / lazy_static! {
[INFO] [stdout] 705 | |     static ref INSN_LUT3: HashMap<u8, InsnPtr> = hashmap! {
[INFO] [stdout] 706 | |         0x1e => CPU::assign_i_plus_vx_to_i as InsnPtr,
[INFO] [stdout] 707 | |         0x33 => CPU::store_bcd_of_vx_to_mem as InsnPtr,
[INFO] [stdout] ...   |
[INFO] [stdout] 715 | |     };
[INFO] [stdout] 716 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/screen.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / lazy_static! {
[INFO] [stdout] 29 | |     static ref KEYCODES:HashMap<u8, Keycode> = hashmap! {
[INFO] [stdout] 30 | |          0x0 => Keycode::Num0,
[INFO] [stdout] 31 | |          0x1 => Keycode::Num1,
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     };
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/screen.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / lazy_static! {
[INFO] [stdout] 29 | |     static ref KEYCODES:HashMap<u8, Keycode> = hashmap! {
[INFO] [stdout] 30 | |          0x0 => Keycode::Num0,
[INFO] [stdout] 31 | |          0x1 => Keycode::Num1,
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     };
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/screen.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / lazy_static! {
[INFO] [stdout] 52 | |     pub static ref PIXEL_COLORS:[Color; 2] = 
[INFO] [stdout] 53 | |         [Color::RGBA(0, 0, 0, 255), 
[INFO] [stdout] 54 | |          Color::RGBA(250, 250, 250, 255)];
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/screen.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / lazy_static! {
[INFO] [stdout] 52 | |     pub static ref PIXEL_COLORS:[Color; 2] = 
[INFO] [stdout] 53 | |         [Color::RGBA(0, 0, 0, 255), 
[INFO] [stdout] 54 | |          Color::RGBA(250, 250, 250, 255)];
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:663:1
[INFO] [stdout]     |
[INFO] [stdout] 663 | /// INSN_LUT1 is an instruction lookup table; used for decoding an 
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:664:1
[INFO] [stdout]     |
[INFO] [stdout] 664 | /// instruction based on its leftmost nibble.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:682:1
[INFO] [stdout]     |
[INFO] [stdout] 682 | /// There are multiple instructions whose opcodes start with
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:683:1
[INFO] [stdout]     |
[INFO] [stdout] 683 | /// the leftmost nibble equal to 8. These instructions are uniquely
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:684:1
[INFO] [stdout]     |
[INFO] [stdout] 684 | /// identified based on the value of their rightmost nibble. INSN_LUT2
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:685:1
[INFO] [stdout]     |
[INFO] [stdout] 685 | /// is used to perform this identification.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:700:1
[INFO] [stdout]     |
[INFO] [stdout] 700 | /// There are multiple instructions whose opcodes start
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:701:1
[INFO] [stdout]     |
[INFO] [stdout] 701 | /// with the leftmost nibble equal to 0xf. INSN_LUT3 identifies
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:702:1
[INFO] [stdout]     |
[INFO] [stdout] 702 | /// these instructions based on the value of their least 
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cpu.rs:703:1
[INFO] [stdout]     |
[INFO] [stdout] 703 | /// significant byte. 
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/screen.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// CHIP-8 uses keys from 0,1,...9 and a, b, ... f.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/screen.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | /// These are assigned codes from 0, 1, ... 0xf.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/screen.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | /// CHIP-8 uses only two colors: 0 for OFF and
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/screen.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | /// 1 for ON.
[INFO] [stdout]    | ^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cpu.rs:665:1
[INFO] [stdout]     |
[INFO] [stdout] 665 | / lazy_static! {
[INFO] [stdout] 666 | |      static  ref  INSN_LUT1:HashMap<u8, InsnPtr> = hashmap! {
[INFO] [stdout] 667 | |         1 => CPU::jmp as InsnPtr,
[INFO] [stdout] 668 | |         2 => CPU::call as InsnPtr,
[INFO] [stdout] ...   |
[INFO] [stdout] 679 | |     };
[INFO] [stdout] 680 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cpu.rs:665:1
[INFO] [stdout]     |
[INFO] [stdout] 665 | / lazy_static! {
[INFO] [stdout] 666 | |      static  ref  INSN_LUT1:HashMap<u8, InsnPtr> = hashmap! {
[INFO] [stdout] 667 | |         1 => CPU::jmp as InsnPtr,
[INFO] [stdout] 668 | |         2 => CPU::call as InsnPtr,
[INFO] [stdout] ...   |
[INFO] [stdout] 679 | |     };
[INFO] [stdout] 680 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cpu.rs:686:1
[INFO] [stdout]     |
[INFO] [stdout] 686 | / lazy_static! {
[INFO] [stdout] 687 | |     static ref INSN_LUT2: HashMap<u8, InsnPtr> = hashmap! {
[INFO] [stdout] 688 | |         0 => CPU::assign_vy_to_vx as InsnPtr,
[INFO] [stdout] 689 | |         1 => CPU::assign_vx_or_vy_to_vx as InsnPtr,
[INFO] [stdout] ...   |
[INFO] [stdout] 697 | |     };
[INFO] [stdout] 698 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cpu.rs:686:1
[INFO] [stdout]     |
[INFO] [stdout] 686 | / lazy_static! {
[INFO] [stdout] 687 | |     static ref INSN_LUT2: HashMap<u8, InsnPtr> = hashmap! {
[INFO] [stdout] 688 | |         0 => CPU::assign_vy_to_vx as InsnPtr,
[INFO] [stdout] 689 | |         1 => CPU::assign_vx_or_vy_to_vx as InsnPtr,
[INFO] [stdout] ...   |
[INFO] [stdout] 697 | |     };
[INFO] [stdout] 698 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cpu.rs:704:1
[INFO] [stdout]     |
[INFO] [stdout] 704 | / lazy_static! {
[INFO] [stdout] 705 | |     static ref INSN_LUT3: HashMap<u8, InsnPtr> = hashmap! {
[INFO] [stdout] 706 | |         0x1e => CPU::assign_i_plus_vx_to_i as InsnPtr,
[INFO] [stdout] 707 | |         0x33 => CPU::store_bcd_of_vx_to_mem as InsnPtr,
[INFO] [stdout] ...   |
[INFO] [stdout] 715 | |     };
[INFO] [stdout] 716 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cpu.rs:704:1
[INFO] [stdout]     |
[INFO] [stdout] 704 | / lazy_static! {
[INFO] [stdout] 705 | |     static ref INSN_LUT3: HashMap<u8, InsnPtr> = hashmap! {
[INFO] [stdout] 706 | |         0x1e => CPU::assign_i_plus_vx_to_i as InsnPtr,
[INFO] [stdout] 707 | |         0x33 => CPU::store_bcd_of_vx_to_mem as InsnPtr,
[INFO] [stdout] ...   |
[INFO] [stdout] 715 | |     };
[INFO] [stdout] 716 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/screen.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / lazy_static! {
[INFO] [stdout] 29 | |     static ref KEYCODES:HashMap<u8, Keycode> = hashmap! {
[INFO] [stdout] 30 | |          0x0 => Keycode::Num0,
[INFO] [stdout] 31 | |          0x1 => Keycode::Num1,
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     };
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/screen.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / lazy_static! {
[INFO] [stdout] 29 | |     static ref KEYCODES:HashMap<u8, Keycode> = hashmap! {
[INFO] [stdout] 30 | |          0x0 => Keycode::Num0,
[INFO] [stdout] 31 | |          0x1 => Keycode::Num1,
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     };
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/screen.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / lazy_static! {
[INFO] [stdout] 52 | |     pub static ref PIXEL_COLORS:[Color; 2] = 
[INFO] [stdout] 53 | |         [Color::RGBA(0, 0, 0, 255), 
[INFO] [stdout] 54 | |          Color::RGBA(250, 250, 250, 255)];
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/screen.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / lazy_static! {
[INFO] [stdout] 52 | |     pub static ref PIXEL_COLORS:[Color; 2] = 
[INFO] [stdout] 53 | |         [Color::RGBA(0, 0, 0, 255), 
[INFO] [stdout] 54 | |          Color::RGBA(250, 250, 250, 255)];
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.54s
[INFO] running `Command { std: "docker" "inspect" "10d8373057682baf15b0b66d26e1c3deef673421b4a310d953aaa1d18e62874d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d8373057682baf15b0b66d26e1c3deef673421b4a310d953aaa1d18e62874d", kill_on_drop: false }`
[INFO] [stdout] 10d8373057682baf15b0b66d26e1c3deef673421b4a310d953aaa1d18e62874d