[INFO] updating cached repository BrantleighBunting/SoftwareEngineeringProject1
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BrantleighBunting/SoftwareEngineeringProject1
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BrantleighBunting/SoftwareEngineeringProject1" "work/ex/beta-1.38-1/sources/1.37.0/gh/BrantleighBunting/SoftwareEngineeringProject1"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BrantleighBunting/SoftwareEngineeringProject1'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BrantleighBunting/SoftwareEngineeringProject1" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BrantleighBunting/SoftwareEngineeringProject1"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BrantleighBunting/SoftwareEngineeringProject1'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6275365accbbe705f56f54200f4bf848ceab8131
[INFO] sha for GitHub repo BrantleighBunting/SoftwareEngineeringProject1: 6275365accbbe705f56f54200f4bf848ceab8131
[INFO] validating manifest of BrantleighBunting/SoftwareEngineeringProject1 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 BrantleighBunting/SoftwareEngineeringProject1 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 BrantleighBunting/SoftwareEngineeringProject1
[INFO] finished frobbing BrantleighBunting/SoftwareEngineeringProject1
[INFO] frobbed toml for BrantleighBunting/SoftwareEngineeringProject1 written to work/ex/beta-1.38-1/sources/1.37.0/gh/BrantleighBunting/SoftwareEngineeringProject1/Cargo.toml
[INFO] started frobbing BrantleighBunting/SoftwareEngineeringProject1
[INFO] finished frobbing BrantleighBunting/SoftwareEngineeringProject1
[INFO] frobbed toml for BrantleighBunting/SoftwareEngineeringProject1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BrantleighBunting/SoftwareEngineeringProject1/Cargo.toml
[INFO] crate BrantleighBunting/SoftwareEngineeringProject1 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 BrantleighBunting/SoftwareEngineeringProject1 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-6/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/BrantleighBunting/SoftwareEngineeringProject1:/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] 2109c13cfa295de0c875398690782efb656ddf716199ddd161db974d322f6e85
[INFO] running `"docker" "start" "-a" "2109c13cfa295de0c875398690782efb656ddf716199ddd161db974d322f6e85"`
[INFO] [stderr]    Compiling software-engineering-project-1 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:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(match_default_bindings)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/tokenizer/mod.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 'a' ... 'z' => { /* Match a-z characters */
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/tokenizer/mod.rs:569:9
[INFO] [stderr]     |
[INFO] [stderr] 569 |                 '0' ... '9' => { /* Match 0-9 characters */
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[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 `software-engineering-project-1`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2109c13cfa295de0c875398690782efb656ddf716199ddd161db974d322f6e85"`
[INFO] running `"docker" "rm" "-f" "2109c13cfa295de0c875398690782efb656ddf716199ddd161db974d322f6e85"`
[INFO] [stdout] 2109c13cfa295de0c875398690782efb656ddf716199ddd161db974d322f6e85