[INFO] updating cached repository https://github.com/mchesser/chip8_emu
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d39d291a803058e94d4b91a4a69e07329d56b63c
[INFO] testing mchesser/chip8_emu against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmchesser%2Fchip8_emu" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mchesser/chip8_emu on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mchesser/chip8_emu
[INFO] finished tweaking git repo https://github.com/mchesser/chip8_emu
[INFO] tweaked toml for git repo https://github.com/mchesser/chip8_emu written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mchesser/chip8_emu already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/AngryLawyer/rust-sdl2.git`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 0f86ad4a7eaf8b374e0889471b717f7ead850fb7bf263b912cf56fb1217316de
[INFO] running `"docker" "start" "-a" "0f86ad4a7eaf8b374e0889471b717f7ead850fb7bf263b912cf56fb1217316de"`
[INFO] [stderr]    Compiling sdl2 v0.32.2 (https://github.com/AngryLawyer/rust-sdl2.git#0be6aafe)
[INFO] [stderr]    Compiling clock_ticks v0.1.1
[INFO] [stderr]    Compiling sdl2-sys v0.32.6 (https://github.com/AngryLawyer/rust-sdl2.git#0be6aafe)
[INFO] [stderr]    Compiling chip8_emu v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::iter::range_inclusive`
[INFO] [stderr]  --> src/chip8/cpu.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::iter::range_inclusive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `range_inclusive` in `iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `sdl2::keycode`
[INFO] [stderr]  --> src/client.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use sdl2::keycode::KeyCode;
[INFO] [stderr]   |           ^^^^^^^ could not find `keycode` in `sdl2`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `ThreadRng` in crate `rand`
[INFO] [stderr]   --> src/chip8/cpu.rs:86:16
[INFO] [stderr]    |
[INFO] [stderr] 86 |     rng: rand::ThreadRng,
[INFO] [stderr]    |                ^^^^^^^^^ not found in `rand`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use rand::prelude::ThreadRng;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use rand::rngs::ThreadRng;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(core)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:23:18
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let window = try!(sdl_context.window("CHIP8 Emulator", WIDTH, HEIGHT)
[INFO] [stderr]    |                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut renderer = try!(window.renderer().build());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:30:32
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut emulator_texture = try!(renderer.create_texture(PixelFormatEnum::ARGB8888,
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/chip8/mem.rs:77:19
[INFO] [stderr]    |
[INFO] [stderr] 77 |         for dy in (0..h) {
[INFO] [stderr]    |                   ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `video` found for type `std::result::Result<sdl2::Sdl, std::string::String>` in the current scope
[INFO] [stderr]   --> src/client.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut sdl_context = sdl2::init().video().unwrap();
[INFO] [stderr]    |                                        ^^^^^ method not found in `std::result::Result<sdl2::Sdl, std::string::String>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> src/chip8/cpu.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::{self, Rng};
[INFO] [stderr]   |                  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0432, E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: could not compile `chip8_emu`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0f86ad4a7eaf8b374e0889471b717f7ead850fb7bf263b912cf56fb1217316de"`
[INFO] running `"docker" "rm" "-f" "0f86ad4a7eaf8b374e0889471b717f7ead850fb7bf263b912cf56fb1217316de"`
[INFO] [stdout] 0f86ad4a7eaf8b374e0889471b717f7ead850fb7bf263b912cf56fb1217316de