[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] checking MaxStrange/mychip8 against try#b946edaa85de45f124065f52b1bc55ba2fb4f9fb for pr-157562
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxStrange%2Fmychip8" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  22% (649/2934)
Updating files:  23% (675/2934)
Updating files:  24% (705/2934)
Updating files:  24% (718/2934)
Updating files:  25% (734/2934)
Updating files:  26% (763/2934)
Updating files:  27% (793/2934)
Updating files:  28% (822/2934)
Updating files:  29% (851/2934)
Updating files:  30% (881/2934)
Updating files:  31% (910/2934)
Updating files:  32% (939/2934)
Updating files:  33% (969/2934)
Updating files:  34% (998/2934)
Updating files:  35% (1027/2934)
Updating files:  36% (1057/2934)
Updating files:  37% (1086/2934)
Updating files:  38% (1115/2934)
Updating files:  39% (1145/2934)
Updating files:  40% (1174/2934)
Updating files:  41% (1203/2934)
Updating files:  42% (1233/2934)
Updating files:  43% (1262/2934)
Updating files:  44% (1291/2934)
Updating files:  45% (1321/2934)
Updating files:  46% (1350/2934)
Updating files:  47% (1379/2934)
Updating files:  48% (1409/2934)
Updating files:  48% (1434/2934)
Updating files:  49% (1438/2934)
Updating files:  50% (1467/2934)
Updating files:  51% (1497/2934)
Updating files:  52% (1526/2934)
Updating files:  53% (1556/2934)
Updating files:  54% (1585/2934)
Updating files:  55% (1614/2934)
Updating files:  56% (1644/2934)
Updating files:  57% (1673/2934)
Updating files:  58% (1702/2934)
Updating files:  59% (1732/2934)
Updating files:  60% (1761/2934)
Updating files:  61% (1790/2934)
Updating files:  62% (1820/2934)
Updating files:  63% (1849/2934)
Updating files:  64% (1878/2934)
Updating files:  64% (1879/2934)
Updating files:  65% (1908/2934)
Updating files:  66% (1937/2934)
Updating files:  67% (1966/2934)
Updating files:  68% (1996/2934)
Updating files:  69% (2025/2934)
Updating files:  70% (2054/2934)
Updating files:  71% (2084/2934)
Updating files:  72% (2113/2934)
Updating files:  73% (2142/2934)
Updating files:  74% (2172/2934)
Updating files:  75% (2201/2934)
Updating files:  76% (2230/2934)
Updating files:  77% (2260/2934)
Updating files:  78% (2289/2934)
Updating files:  79% (2318/2934)
Updating files:  80% (2348/2934)
Updating files:  81% (2377/2934)
Updating files:  82% (2406/2934)
Updating files:  83% (2436/2934)
Updating files:  84% (2465/2934)
Updating files:  85% (2494/2934)
Updating files:  86% (2524/2934)
Updating files:  86% (2542/2934)
Updating files:  87% (2553/2934)
Updating files:  88% (2582/2934)
Updating files:  89% (2612/2934)
Updating files:  90% (2641/2934)
Updating files:  91% (2670/2934)
Updating files:  92% (2700/2934)
Updating files:  93% (2729/2934)
Updating files:  94% (2758/2934)
Updating files:  95% (2788/2934)
Updating files:  96% (2817/2934)
Updating files:  97% (2846/2934)
Updating files:  98% (2876/2934)
Updating files:  99% (2905/2934)
Updating files: 100% (2934/2934)
Updating files: 100% (2934/2934), done.
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MaxStrange/mychip8 on toolchain b946edaa85de45f124065f52b1bc55ba2fb4f9fb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b946edaa85de45f124065f52b1bc55ba2fb4f9fb" "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" "+b946edaa85de45f124065f52b1bc55ba2fb4f9fb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d8c2b29dfceb508f212b2564550aef4b682ecc1aa005d4e5d3961b3f44c58ce3
[INFO] running `Command { std: "docker" "start" "d8c2b29dfceb508f212b2564550aef4b682ecc1aa005d4e5d3961b3f44c58ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d8c2b29dfceb508f212b2564550aef4b682ecc1aa005d4e5d3961b3f44c58ce3" "/opt/rustwide/cargo-home/bin/cargo" "+b946edaa85de45f124065f52b1bc55ba2fb4f9fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8c2b29dfceb508f212b2564550aef4b682ecc1aa005d4e5d3961b3f44c58ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d8c2b29dfceb508f212b2564550aef4b682ecc1aa005d4e5d3961b3f44c58ce3" "/opt/rustwide/cargo-home/bin/cargo" "+b946edaa85de45f124065f52b1bc55ba2fb4f9fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking stb_truetype v0.2.5
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking wayland-sys v0.21.11
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking andrew v0.1.5
[INFO] [stderr]     Checking piston2d-graphics v0.28.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.21.11
[INFO] [stderr]    Compiling wayland-protocols v0.21.11
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking wayland-commons v0.21.11
[INFO] [stderr]     Checking 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] [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 derivative v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.5
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking pistoncore-window v0.34.0
[INFO] [stderr]     Checking piston-gfx_texture v0.34.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.39.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.54.0
[INFO] [stderr]     Checking piston v0.39.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.4
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.51.1
[INFO] [stderr]     Checking piston_window v0.85.0
[INFO] [stderr]     Checking 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] [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 58.87s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "d8c2b29dfceb508f212b2564550aef4b682ecc1aa005d4e5d3961b3f44c58ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c2b29dfceb508f212b2564550aef4b682ecc1aa005d4e5d3961b3f44c58ce3", kill_on_drop: false }`
[INFO] [stdout] d8c2b29dfceb508f212b2564550aef4b682ecc1aa005d4e5d3961b3f44c58ce3
