[INFO] cloning repository https://github.com/MaxStrange/mychip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaxStrange/mychip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxStrange%2Fmychip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxStrange%2Fmychip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f81dd44bf6d77a71e2f65d5eb1fdac9b7fec8593
[INFO] testing MaxStrange/mychip8 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxStrange%2Fmychip8" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
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[INFO] started tweaking git repo https://github.com/MaxStrange/mychip8
[INFO] finished tweaking git repo https://github.com/MaxStrange/mychip8
[INFO] tweaked toml for git repo https://github.com/MaxStrange/mychip8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MaxStrange/mychip8 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MaxStrange/mychip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5e6ca02af4cb885835544241d9a37000d5fdc109bfe9951b2cfc64235b56d92
[INFO] running `Command { std: "docker" "start" "-a" "b5e6ca02af4cb885835544241d9a37000d5fdc109bfe9951b2cfc64235b56d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5e6ca02af4cb885835544241d9a37000d5fdc109bfe9951b2cfc64235b56d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e6ca02af4cb885835544241d9a37000d5fdc109bfe9951b2cfc64235b56d92", kill_on_drop: false }`
[INFO] [stdout] b5e6ca02af4cb885835544241d9a37000d5fdc109bfe9951b2cfc64235b56d92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 816328c1d7cf03600bd4ac44b55ee0fca85e26b9aa0305f500a0d5ad2b221e1b
[INFO] running `Command { std: "docker" "start" "-a" "816328c1d7cf03600bd4ac44b55ee0fca85e26b9aa0305f500a0d5ad2b221e1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.6
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[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling libc v0.2.47
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[INFO] [stderr]    Compiling lazy_static v1.2.0
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[INFO] [stderr]    Compiling arrayvec v0.4.10
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[INFO] [stderr]    Compiling autocfg v0.1.2
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[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling rayon-core v1.4.1
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[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling piston-viewport v0.5.0
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
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[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
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[INFO] [stderr]    Compiling rand_os v0.1.1
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[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling num_cpus v1.9.0
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[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling ordered-float v1.0.1
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling shader_version v0.3.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling rusttype v0.7.3
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling wayland-sys v0.21.11
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[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling color_quant v1.0.1
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[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling glutin v0.19.0
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[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
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[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling piston-texture v0.6.0
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[INFO] [stderr]    Compiling osmesa-sys v0.1.2
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[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling interpolation v0.1.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling piston2d-graphics v0.28.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling wayland-commons v0.21.11
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.5
[INFO] [stderr]    Compiling pistoncore-input v0.23.0
[INFO] [stderr]    Compiling assembler v0.1.0 (/opt/rustwide/workdir/assembler)
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]   --> assembler/src/lexer/lexer.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn try_opcode(&mut self, ch: char) -> Option<opcodes::Opcode> {
[INFO] [stdout]    |                              ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `options` and `state` are never read
[INFO] [stdout]   --> assembler/src/lexer/lexer.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Lattice {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout]  8 |     /// The current possibilities
[INFO] [stdout]  9 |     options: Vec<tokens::Token>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     state: Vec<char>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lattice` is never read
[INFO] [stdout]   --> assembler/src/lexer/lexer.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Lexer {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 16 |     /// The lattice; i.e., what our current possiblities are
[INFO] [stdout] 17 |     lattice: Lattice,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ADD` is never constructed
[INFO] [stdout]  --> assembler/src/lexer/opcodes.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Opcode {
[INFO] [stdout]   |          ------ variant in this enum
[INFO] [stdout] 4 |     ADD
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling piston-gfx_texture v0.34.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.54.0
[INFO] [stderr]    Compiling pistoncore-window v0.34.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.39.0
[INFO] [stderr]    Compiling piston v0.39.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.4
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.51.1
[INFO] [stderr]    Compiling piston_window v0.85.0
[INFO] [stderr]    Compiling mychip8 v0.1.0 (/opt/rustwide/workdir/chip8)
[INFO] [stdout] warning: field `nrows` is never read
[INFO] [stdout]   --> chip8/src/display/chip8panel.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct PixelGrid {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 78 |     /// Number of rows of pixels
[INFO] [stdout] 79 |     pub nrows: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PixelGrid` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.72s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: glutin v0.19.0, winit v0.18.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "816328c1d7cf03600bd4ac44b55ee0fca85e26b9aa0305f500a0d5ad2b221e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "816328c1d7cf03600bd4ac44b55ee0fca85e26b9aa0305f500a0d5ad2b221e1b", kill_on_drop: false }`
[INFO] [stdout] 816328c1d7cf03600bd4ac44b55ee0fca85e26b9aa0305f500a0d5ad2b221e1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9d2a3fb937d0099b4a7866e7c5c11a6324589cf13b371bd26eaa87c102d2f6d
[INFO] running `Command { std: "docker" "start" "-a" "f9d2a3fb937d0099b4a7866e7c5c11a6324589cf13b371bd26eaa87c102d2f6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling assembler v0.1.0 (/opt/rustwide/workdir/assembler)
[INFO] [stderr]    Compiling mychip8 v0.1.0 (/opt/rustwide/workdir/chip8)
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]   --> assembler/src/lexer/lexer.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn try_opcode(&mut self, ch: char) -> Option<opcodes::Opcode> {
[INFO] [stdout]    |                              ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `options` and `state` are never read
[INFO] [stdout]   --> assembler/src/lexer/lexer.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Lattice {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout]  8 |     /// The current possibilities
[INFO] [stdout]  9 |     options: Vec<tokens::Token>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     state: Vec<char>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lattice` is never read
[INFO] [stdout]   --> assembler/src/lexer/lexer.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Lexer {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 16 |     /// The lattice; i.e., what our current possiblities are
[INFO] [stdout] 17 |     lattice: Lattice,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ADD` is never constructed
[INFO] [stdout]  --> assembler/src/lexer/opcodes.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Opcode {
[INFO] [stdout]   |          ------ variant in this enum
[INFO] [stdout] 4 |     ADD
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nrows` is never read
[INFO] [stdout]   --> chip8/src/display/chip8panel.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct PixelGrid {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 78 |     /// Number of rows of pixels
[INFO] [stdout] 79 |     pub nrows: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PixelGrid` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: glutin v0.19.0, winit v0.18.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f9d2a3fb937d0099b4a7866e7c5c11a6324589cf13b371bd26eaa87c102d2f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d2a3fb937d0099b4a7866e7c5c11a6324589cf13b371bd26eaa87c102d2f6d", kill_on_drop: false }`
[INFO] [stdout] f9d2a3fb937d0099b4a7866e7c5c11a6324589cf13b371bd26eaa87c102d2f6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1d7d32849d5d592142f06bd40e8b46afae5d9dbfff171990adcc688bbbc10c4
[INFO] running `Command { std: "docker" "start" "-a" "a1d7d32849d5d592142f06bd40e8b46afae5d9dbfff171990adcc688bbbc10c4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `ch`
[INFO] [stderr]   --> assembler/src/lexer/lexer.rs:68:30
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn try_opcode(&mut self, ch: char) -> Option<opcodes::Opcode> {
[INFO] [stderr]    |                              ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `options` and `state` are never read
[INFO] [stderr]   --> assembler/src/lexer/lexer.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr]  7 | struct Lattice {
[INFO] [stderr]    |        ------- fields in this struct
[INFO] [stderr]  8 |     /// The current possibilities
[INFO] [stderr]  9 |     options: Vec<tokens::Token>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 12 |     state: Vec<char>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `lattice` is never read
[INFO] [stderr]   --> assembler/src/lexer/lexer.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Lexer {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 16 |     /// The lattice; i.e., what our current possiblities are
[INFO] [stderr] 17 |     lattice: Lattice,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ADD` is never constructed
[INFO] [stderr]  --> assembler/src/lexer/opcodes.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum Opcode {
[INFO] [stderr]   |          ------ variant in this enum
[INFO] [stderr] 4 |     ADD
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `assembler` (bin "assembler" test) generated 4 warnings (run `cargo fix --bin "assembler" -p assembler --tests` to apply 1 suggestion)
[INFO] [stderr] warning: field `nrows` is never read
[INFO] [stderr]   --> chip8/src/display/chip8panel.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | struct PixelGrid {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] 78 |     /// Number of rows of pixels
[INFO] [stderr] 79 |     pub nrows: u32,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PixelGrid` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mychip8` (bin "mychip8" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: glutin v0.19.0, winit v0.18.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/assembler-ecb0f265cffdaecf)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mychip8-0e90642f3b5f33a7)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stderr] 
[INFO] [stderr] thread '<unnamed>' (23) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x11-dl-2.18.3/src/xlib.rs:41:1:
[INFO] [stderr] null pointer dereference occurred
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x6447fff8a39a - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x6447fff8a39a - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x6447fff8a39a - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x6447fff8a39a - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x6447fffa0f7a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x6447fffa0f7a - core[e929cb53b82a81ca]::fmt::write
[INFO] [stderr]    6:     0x6447fff8ffb2 - std[29689e6404d28ef9]::io::default_write_fmt::<std[29689e6404d28ef9]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stderr]    7:     0x6447fff8ffb2 - <std[29689e6404d28ef9]::sys::stdio::unix::Stderr as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]    8:     0x6447fff6824f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x6447fff6824f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x6447fff82191 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x6447ffc42ecc - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stderr]   12:     0x6447ffc42ecc - test[a24b3028667022f7]::test_main_inner::<test[a24b3028667022f7]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:155:21
[INFO] [stderr]   13:     0x6447fff82382 - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stderr]   14:     0x6447fff82382 - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:833:13
[INFO] [stderr]   15:     0x6447fff6833a - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:691:13
[INFO] [stderr]   16:     0x6447fff5d2b9 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   17:     0x6447fff6909d - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stderr]   18:     0x6447fffa155d - core[e929cb53b82a81ca]::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x6447fffa155d - core[e929cb53b82a81ca]::panicking::panic_nounwind_fmt
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/intrinsics/mod.rs:2450:9
[INFO] [stderr]   20:     0x6447fffa16a7 - core[e929cb53b82a81ca]::panicking::panic_null_pointer_dereference
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:302:5
[INFO] [stderr]   21:     0x6447ffebcb6e - <<x11_dl[32d796fa3d0d4a9]::xlib::Xlib>::init::SYMS as core[e929cb53b82a81ca]::ops::deref::Deref>::deref::__static_ref_initialize
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x11-dl-2.18.3/src/link.rs:42:38
[INFO] [stderr]   22:     0x6447ffebcb6e - <<<x11_dl[32d796fa3d0d4a9]::xlib::Xlib>::init::SYMS as core[e929cb53b82a81ca]::ops::deref::Deref>::deref::__static_ref_initialize as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   23:     0x6447ffec0a93 - <lazy_static[388e2157f7a39e12]::lazy::Lazy<[(&str, usize); 767usize]>>::get::<<<x11_dl[32d796fa3d0d4a9]::xlib::Xlib>::init::SYMS as core[e929cb53b82a81ca]::ops::deref::Deref>::deref::__static_ref_initialize>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.2.0/src/inline_lazy.rs:28:29
[INFO] [stderr]   24:     0x6447ffebd75e - <std[29689e6404d28ef9]::sync::once::Once>::call_once::<<lazy_static[388e2157f7a39e12]::lazy::Lazy<[(&str, usize); 767usize]>>::get<<<x11_dl[32d796fa3d0d4a9]::xlib::Xlib>::init::SYMS as core[e929cb53b82a81ca]::ops::deref::Deref>::deref::__static_ref_initialize>::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sync/once.rs:166:41
[INFO] [stderr]   25:     0x6447fff6d5a9 - <std[29689e6404d28ef9]::sys::sync::once::futex::Once>::call
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/sync/once/futex.rs:183:21
[INFO] [stderr]   26:     0x6447ffebce99 - <std[29689e6404d28ef9]::sync::once::Once>::call_once::<<lazy_static[388e2157f7a39e12]::lazy::Lazy<[(&str, usize); 767usize]>>::get<<<x11_dl[32d796fa3d0d4a9]::xlib::Xlib>::init::SYMS as core[e929cb53b82a81ca]::ops::deref::Deref>::deref::__static_ref_initialize>::{closure#0}>
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sync/once.rs:166:20
[INFO] [stderr]   27:     0x6447ffec0443 - <lazy_static[388e2157f7a39e12]::lazy::Lazy<[(&str, usize); 767usize]>>::get::<<<x11_dl[32d796fa3d0d4a9]::xlib::Xlib>::init::SYMS as core[e929cb53b82a81ca]::ops::deref::Deref>::deref::__static_ref_initialize>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.2.0/src/inline_lazy.rs:27:16
[INFO] [stderr]   28:     0x6447ffec0443 - <<x11_dl[32d796fa3d0d4a9]::xlib::Xlib>::init::SYMS as core[e929cb53b82a81ca]::ops::deref::Deref>::deref::__stability
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.2.0/src/lib.rs:139:26
[INFO] [stderr]   29:     0x6447ffec0443 - <<x11_dl[32d796fa3d0d4a9]::xlib::Xlib>::init::SYMS as core[e929cb53b82a81ca]::ops::deref::Deref>::deref
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.2.0/src/lib.rs:141:17
[INFO] [stderr]   30:     0x6447ffebfc33 - <x11_dl[32d796fa3d0d4a9]::xlib::Xlib>::init
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x11-dl-2.18.3/src/link.rs:48:36
[INFO] [stderr]   31:     0x6447ffec0253 - <x11_dl[32d796fa3d0d4a9]::xlib::Xlib>::open
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x11-dl-2.18.3/src/link.rs:62:16
[INFO] [stderr]   32:     0x6447ffd676a3 - <winit[3dea8d3fe544dfe7]::platform::platform::x11::xdisplay::XConnection>::new
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winit-0.18.1/src/platform/linux/x11/xdisplay.rs:32:20
[INFO] [stderr]   33:     0x6447ffd20f41 - <winit[3dea8d3fe544dfe7]::platform::platform::X11_BACKEND as core[e929cb53b82a81ca]::ops::deref::Deref>::deref::__static_ref_initialize
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winit-0.18.1/src/platform/linux/mod.rs:54:20
[INFO] [stderr]   34:     0x6447ffd20f41 - <<winit[3dea8d3fe544dfe7]::platform::platform::X11_BACKEND as core[e929cb53b82a81ca]::ops::deref::Deref>::deref::__static_ref_initialize as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   35:     0x6447ffd720eb - <lazy_static[388e2157f7a39e12]::lazy::Lazy<lock_api[88a354dc37a00c68]::mutex::Mutex<parking_lot[a618984f164f61ff]::raw_mutex::RawMutex, core[e929cb53b82a81ca]::result::Result<alloc[9d7caffeb3b5d2c6]::sync::Arc<winit[3dea8d3fe544dfe7]::platform::platform::x11::xdisplay::XConnection>, winit[3dea8d3fe544dfe7]::platform::platform::x11::xdisplay::XNotSupported>>>>::get::<<winit[3dea8d3fe544dfe7]::platform::platform::X11_BACKEND as core[e929cb53b82a81ca]::ops::deref::Deref>::deref::__static_ref_initialize>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.2.0/src/inline_lazy.rs:28:29
[INFO] [stderr]   36:     0x6447ffd3beae - <std[29689e6404d28ef9]::sync::once::Once>::call_once::<<lazy_static[388e2157f7a39e12]::lazy::Lazy<lock_api[88a354dc37a00c68]::mutex::Mutex<parking_lot[a618984f164f61ff]::raw_mutex::RawMutex, core[e929cb53b82a81ca]::result::Result<alloc[9d7caffeb3b5d2c6]::sync::Arc<winit[3dea8d3fe544dfe7]::platform::platform::x11::xdisplay::XConnection>, winit[3dea8d3fe544dfe7]::platform::platform::x11::xdisplay::XNotSupported>>>>::get<<winit[3dea8d3fe544dfe7]::platform::platform::X11_BACKEND as core[e929cb53b82a81ca]::ops::deref::Deref>::deref::__static_ref_initialize>::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sync/once.rs:166:41
[INFO] [stderr]   37:     0x6447fff6d5a9 - <std[29689e6404d28ef9]::sys::sync::once::futex::Once>::call
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/sync/once/futex.rs:183:21
[INFO] [stderr]   38:     0x6447ffd39959 - <std[29689e6404d28ef9]::sync::once::Once>::call_once::<<lazy_static[388e2157f7a39e12]::lazy::Lazy<lock_api[88a354dc37a00c68]::mutex::Mutex<parking_lot[a618984f164f61ff]::raw_mutex::RawMutex, core[e929cb53b82a81ca]::result::Result<alloc[9d7caffeb3b5d2c6]::sync::Arc<winit[3dea8d3fe544dfe7]::platform::platform::x11::xdisplay::XConnection>, winit[3dea8d3fe544dfe7]::platform::platform::x11::xdisplay::XNotSupported>>>>::get<<winit[3dea8d3fe544dfe7]::platform::platform::X11_BACKEND as core[e929cb53b82a81ca]::ops::deref::Deref>::deref::__static_ref_initialize>::{closure#0}>
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sync/once.rs:166:20
[INFO] [stderr]   39:     0x6447ffd522d0 - <lazy_static[388e2157f7a39e12]::lazy::Lazy<lock_api[88a354dc37a00c68]::mutex::Mutex<parking_lot[a618984f164f61ff]::raw_mutex::RawMutex, core[e929cb53b82a81ca]::result::Result<alloc[9d7caffeb3b5d2c6]::sync::Arc<winit[3dea8d3fe544dfe7]::platform::platform::x11::xdisplay::XConnection>, winit[3dea8d3fe544dfe7]::platform::platform::x11::xdisplay::XNotSupported>>>>::get::<<winit[3dea8d3fe544dfe7]::platform::platform::X11_BACKEND as core[e929cb53b82a81ca]::ops::deref::Deref>::deref::__static_ref_initialize>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.2.0/src/inline_lazy.rs:27:16
[INFO] [stderr]   40:     0x6447ffd522d0 - <winit[3dea8d3fe544dfe7]::platform::platform::X11_BACKEND as core[e929cb53b82a81ca]::ops::deref::Deref>::deref::__stability
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.2.0/src/lib.rs:139:26
[INFO] [stderr]   41:     0x6447ffd522d0 - <winit[3dea8d3fe544dfe7]::platform::platform::X11_BACKEND as core[e929cb53b82a81ca]::ops::deref::Deref>::deref
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.2.0/src/lib.rs:141:17
[INFO] [stderr]   42:     0x6447ffd4e361 - <winit[3dea8d3fe544dfe7]::platform::platform::EventsLoop>::new_x11
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winit-0.18.1/src/platform/linux/mod.rs:459:9
[INFO] [stderr]   43:     0x6447ffd4e124 - <winit[3dea8d3fe544dfe7]::platform::platform::EventsLoop>::new
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winit-0.18.1/src/platform/linux/mod.rs:440:29
[INFO] [stderr]   44:     0x6447ffd7adfb - <winit[3dea8d3fe544dfe7]::EventsLoop>::new
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winit-0.18.1/src/lib.rs:247:26
[INFO] [stderr]   45:     0x6447ffc7f802 - <glutin_window[915bbda2758cfc31]::GlutinWindow>::new
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pistoncore-glutin_window-0.51.1/src/lib.rs:104:27
[INFO] [stderr]   46:     0x6447ffc81917 - <glutin_window[915bbda2758cfc31]::GlutinWindow as window[aff701ea97a55255]::BuildFromWindowSettings>::build_from_window_settings
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pistoncore-glutin_window-0.51.1/src/lib.rs:444:9
[INFO] [stderr]   47:     0x6447ffbfb827 - <window[aff701ea97a55255]::WindowSettings>::build::<glutin_window[915bbda2758cfc31]::GlutinWindow>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pistoncore-window-0.34.0/src/lib.rs:426:9
[INFO] [stderr]   48:     0x6447ffc290ba - <piston_window[2a85bc49515e3e12]::PistonWindow as window[aff701ea97a55255]::BuildFromWindowSettings>::build_from_window_settings
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/piston_window-0.85.0/src/lib.rs:178:61
[INFO] [stderr]   49:     0x6447ffbfb806 - <window[aff701ea97a55255]::WindowSettings>::build::<piston_window[2a85bc49515e3e12]::PistonWindow>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pistoncore-window-0.34.0/src/lib.rs:426:9
[INFO] [stderr]   50:     0x6447ffbf0487 - <mychip8[c84dfce2b63525c5]::display::gui::Gui>::new
[INFO] [stderr]                                at /opt/rustwide/workdir/chip8/src/display/gui.rs:44:111
[INFO] [stderr]   51:     0x6447ffc0549e - <mychip8[c84dfce2b63525c5]::emulator::chip8::Chip8>::new
[INFO] [stderr]                                at /opt/rustwide/workdir/chip8/src/emulator/chip8.rs:129:29
[INFO] [stderr]   52:     0x6447ffbfb931 - mychip8[c84dfce2b63525c5]::emulate::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/chip8/src/main.rs:53:23
[INFO] [stderr]   53:     0x6447ffbb95d6 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<mychip8[c84dfce2b63525c5]::emulate::{closure#0}, ()>
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   54:     0x6447ffc13167 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<mychip8[c84dfce2b63525c5]::emulate::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stderr]   55:     0x6447ffbca410 - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<mychip8[c84dfce2b63525c5]::emulate::{closure#0}, ()>::{closure#1}::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stderr]   56:     0x6447ffc1dbb0 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<mychip8[c84dfce2b63525c5]::emulate::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stderr]   57:     0x6447ffc183cb - __rust_try
[INFO] [stderr]   58:     0x6447ffc12cc5 - std[29689e6404d28ef9]::panicking::catch_unwind::<(), core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<mychip8[c84dfce2b63525c5]::emulate::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stderr]   59:     0x6447ffc12cc5 - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<mychip8[c84dfce2b63525c5]::emulate::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stderr]   60:     0x6447ffc12cc5 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<mychip8[c84dfce2b63525c5]::emulate::{closure#0}, ()>::{closure#1}
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stderr]   61:     0x6447ffbe2bfe - <std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<mychip8[c84dfce2b63525c5]::emulate::{closure#0}, ()>::{closure#1} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   62:     0x6447fff89caf - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn core[e929cb53b82a81ca]::ops::function::FnOnce<(), Output = ()> + core[e929cb53b82a81ca]::marker::Send> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2271:9
[INFO] [stderr]   63:     0x6447fff89caf - <std[29689e6404d28ef9]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stderr]   64:     0x77b186cb9aa4 - <unknown>
[INFO] [stderr]   65:     0x77b186d46a64 - clone
[INFO] [stderr]   66:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `-p mychip8 --bin mychip8`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/mychip8-0e90642f3b5f33a7` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "a1d7d32849d5d592142f06bd40e8b46afae5d9dbfff171990adcc688bbbc10c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d7d32849d5d592142f06bd40e8b46afae5d9dbfff171990adcc688bbbc10c4", kill_on_drop: false }`
[INFO] [stdout] a1d7d32849d5d592142f06bd40e8b46afae5d9dbfff171990adcc688bbbc10c4
