[INFO] updating cached repository mchesser/chip8_emu
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mchesser/chip8_emu
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mchesser/chip8_emu" "work/ex/beta-1.38-1/sources/1.37.0/gh/mchesser/chip8_emu"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mchesser/chip8_emu'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mchesser/chip8_emu" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mchesser/chip8_emu"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mchesser/chip8_emu'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d39d291a803058e94d4b91a4a69e07329d56b63c
[INFO] sha for GitHub repo mchesser/chip8_emu: d39d291a803058e94d4b91a4a69e07329d56b63c
[INFO] validating manifest of mchesser/chip8_emu on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mchesser/chip8_emu on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mchesser/chip8_emu
[INFO] finished frobbing mchesser/chip8_emu
[INFO] frobbed toml for mchesser/chip8_emu written to work/ex/beta-1.38-1/sources/1.37.0/gh/mchesser/chip8_emu/Cargo.toml
[INFO] started frobbing mchesser/chip8_emu
[INFO] finished frobbing mchesser/chip8_emu
[INFO] frobbed toml for mchesser/chip8_emu written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mchesser/chip8_emu/Cargo.toml
[INFO] crate mchesser/chip8_emu already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mchesser/chip8_emu/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/AngryLawyer/rust-sdl2.git`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/AngryLawyer/rust-sdl2.git`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mchesser/chip8_emu against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mchesser/chip8_emu:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 96224149ae3a8e00b4a19ea1455a74320c04c250cca9dc82476c592f86db7714
[INFO] running `"docker" "start" "-a" "96224149ae3a8e00b4a19ea1455a74320c04c250cca9dc82476c592f86db7714"`
[INFO] [stderr]    Compiling sdl2 v0.32.2 (https://github.com/AngryLawyer/rust-sdl2.git#120d5443)
[INFO] [stderr]    Compiling clock_ticks v0.1.1
[INFO] [stderr]    Compiling sdl2-sys v0.32.6 (https://github.com/AngryLawyer/rust-sdl2.git#120d5443)
[INFO] [stderr]    Compiling chip8_emu v0.0.1 (/opt/crater/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: 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]    |                                        ^^^^^
[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" "96224149ae3a8e00b4a19ea1455a74320c04c250cca9dc82476c592f86db7714"`
[INFO] running `"docker" "rm" "-f" "96224149ae3a8e00b4a19ea1455a74320c04c250cca9dc82476c592f86db7714"`
[INFO] [stdout] 96224149ae3a8e00b4a19ea1455a74320c04c250cca9dc82476c592f86db7714