[INFO] updating cached repository marco9999/chip8-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marco9999/chip8-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marco9999/chip8-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/marco9999/chip8-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/marco9999/chip8-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marco9999/chip8-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marco9999/chip8-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marco9999/chip8-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b748cdbfd31515ed3a220dc44131a0ece0c7f008
[INFO] sha for GitHub repo marco9999/chip8-rs: b748cdbfd31515ed3a220dc44131a0ece0c7f008
[INFO] validating manifest of marco9999/chip8-rs 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 marco9999/chip8-rs 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 marco9999/chip8-rs
[INFO] finished frobbing marco9999/chip8-rs
[INFO] frobbed toml for marco9999/chip8-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/marco9999/chip8-rs/Cargo.toml
[INFO] started frobbing marco9999/chip8-rs
[INFO] finished frobbing marco9999/chip8-rs
[INFO] frobbed toml for marco9999/chip8-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marco9999/chip8-rs/Cargo.toml
[INFO] crate marco9999/chip8-rs 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing marco9999/chip8-rs 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-0/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/marco9999/chip8-rs:/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] e384d608fd47f863c72bb3d90364015fd1fa211468259dee81a4600ffddd6384
[INFO] running `"docker" "start" "-a" "e384d608fd47f863c72bb3d90364015fd1fa211468259dee81a4600ffddd6384"`
[INFO] [stderr]    Compiling chip8_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling humantime v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.4
[INFO] [stderr]    Compiling bincode v0.8.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.5
[INFO] [stderr]    Compiling serde_yaml v0.7.1
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling serde-value v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.4.5
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling flate2 v0.2.19
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling sdl2 v0.30.0
[INFO] [stderr]    Compiling log4rs v0.7.0
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(const_fn)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(associated_type_defaults)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:58:26
[INFO] [stderr]    |
[INFO] [stderr] 58 |     controllers: Vec<Box<Controller>>,
[INFO] [stderr]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Controller`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:149:70
[INFO] [stderr]     |
[INFO] [stderr] 149 |                         let cont_static = &*(cont.as_ref() as *const Controller); 
[INFO] [stderr]     |                                                                      ^^^^^^^^^^ help: use `dyn`: `dyn Controller`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `chip8_rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e384d608fd47f863c72bb3d90364015fd1fa211468259dee81a4600ffddd6384"`
[INFO] running `"docker" "rm" "-f" "e384d608fd47f863c72bb3d90364015fd1fa211468259dee81a4600ffddd6384"`
[INFO] [stdout] e384d608fd47f863c72bb3d90364015fd1fa211468259dee81a4600ffddd6384