[INFO] updating cached repository FallingSnow/CPSC485_Program1
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FallingSnow/CPSC485_Program1
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FallingSnow/CPSC485_Program1" "work/ex/beta-1.38-1/sources/1.37.0/gh/FallingSnow/CPSC485_Program1"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/FallingSnow/CPSC485_Program1'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FallingSnow/CPSC485_Program1" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FallingSnow/CPSC485_Program1"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FallingSnow/CPSC485_Program1'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 94e32fdbbcfab106819dfbac06a36697a7a9caf8
[INFO] sha for GitHub repo FallingSnow/CPSC485_Program1: 94e32fdbbcfab106819dfbac06a36697a7a9caf8
[INFO] validating manifest of FallingSnow/CPSC485_Program1 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 FallingSnow/CPSC485_Program1 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 FallingSnow/CPSC485_Program1
[INFO] finished frobbing FallingSnow/CPSC485_Program1
[INFO] frobbed toml for FallingSnow/CPSC485_Program1 written to work/ex/beta-1.38-1/sources/1.37.0/gh/FallingSnow/CPSC485_Program1/Cargo.toml
[INFO] started frobbing FallingSnow/CPSC485_Program1
[INFO] finished frobbing FallingSnow/CPSC485_Program1
[INFO] frobbed toml for FallingSnow/CPSC485_Program1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FallingSnow/CPSC485_Program1/Cargo.toml
[INFO] crate FallingSnow/CPSC485_Program1 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 FallingSnow/CPSC485_Program1 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-7/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/FallingSnow/CPSC485_Program1:/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] fda12e2e3edf34b2c0641ddef402e5be60f93b04c27e6be9a93da4eeca378865
[INFO] running `"docker" "start" "-a" "fda12e2e3edf34b2c0641ddef402e5be60f93b04c27e6be9a93da4eeca378865"`
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling clicolors-control v0.2.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling console v0.6.2
[INFO] [stderr]    Compiling assignment1 v0.1.0 (/opt/crater/workdir)
[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(vec_resize_with, vec_resize_default, self_struct_ctor)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::vec::Vec::<T>::resize_default': This is moving towards being removed in favor of `.resize_with(Default::default)`.  If you disagree, please comment in the tracking issue.
[INFO] [stderr]   --> src/main.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |             vec.resize_default(y);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `assignment1`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fda12e2e3edf34b2c0641ddef402e5be60f93b04c27e6be9a93da4eeca378865"`
[INFO] running `"docker" "rm" "-f" "fda12e2e3edf34b2c0641ddef402e5be60f93b04c27e6be9a93da4eeca378865"`
[INFO] [stdout] fda12e2e3edf34b2c0641ddef402e5be60f93b04c27e6be9a93da4eeca378865