[INFO] cloning repository https://github.com/ngynkvn/rust-emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ngynkvn/rust-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Frust-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Frust-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dae96a05e67ecdc45dedfe487ce0e9d169501f7
[INFO] documenting ngynkvn/rust-emu against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Frust-emu" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ngynkvn/rust-emu on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ngynkvn/rust-emu
[INFO] finished tweaking git repo https://github.com/ngynkvn/rust-emu
[INFO] tweaked toml for git repo https://github.com/ngynkvn/rust-emu written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ngynkvn/rust-emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fern v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a910579f98e59c6f9a1b2b45b5a05222ff58837cb3c6427feb6077a140201d22
[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" "a910579f98e59c6f9a1b2b45b5a05222ff58837cb3c6427feb6077a140201d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a910579f98e59c6f9a1b2b45b5a05222ff58837cb3c6427feb6077a140201d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a910579f98e59c6f9a1b2b45b5a05222ff58837cb3c6427feb6077a140201d22", kill_on_drop: false }`
[INFO] [stdout] a910579f98e59c6f9a1b2b45b5a05222ff58837cb3c6427feb6077a140201d22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 313013d06d4e49babd66a35dc881bef5d06ba68148fa8a8375ac1728508aed60
[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" "313013d06d4e49babd66a35dc881bef5d06ba68148fa8a8375ac1728508aed60", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking rust-emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rust-emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/cpu/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::value::Value::*`
[INFO] [stdout]  --> src/registers.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::cpu::value::Value::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cpu/mod.rs:789:13
[INFO] [stdout]     |
[INFO] [stdout] 789 |             _ => {
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/gpu.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let start = time::Instant::now();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]    --> src/gpu.rs:149:21
[INFO] [stdout]     |
[INFO] [stdout] 149 |             if let [flags, pattern, x, y] = sprite_attributes {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dump_state`
[INFO] [stdout]   --> src/cpu/mod.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn dump_state(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `above`
[INFO] [stdout]   --> src/gpu.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     above: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `yflip`
[INFO] [stdout]   --> src/gpu.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     yflip: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `xflip`
[INFO] [stdout]   --> src/gpu.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     xflip: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.00s
[INFO] running `Command { std: "docker" "inspect" "313013d06d4e49babd66a35dc881bef5d06ba68148fa8a8375ac1728508aed60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "313013d06d4e49babd66a35dc881bef5d06ba68148fa8a8375ac1728508aed60", kill_on_drop: false }`
[INFO] [stdout] 313013d06d4e49babd66a35dc881bef5d06ba68148fa8a8375ac1728508aed60