[INFO] updating cached repository davidszotten/advent-of-code-2017
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/davidszotten/advent-of-code-2017
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/davidszotten/advent-of-code-2017" "work/ex/beta-1.38-1/sources/1.37.0/gh/davidszotten/advent-of-code-2017"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/davidszotten/advent-of-code-2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davidszotten/advent-of-code-2017" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidszotten/advent-of-code-2017"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidszotten/advent-of-code-2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e96ce8e41cba8632888e78694298b6a88ea498ce
[INFO] sha for GitHub repo davidszotten/advent-of-code-2017: e96ce8e41cba8632888e78694298b6a88ea498ce
[INFO] validating manifest of davidszotten/advent-of-code-2017 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 davidszotten/advent-of-code-2017 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 davidszotten/advent-of-code-2017
[INFO] finished frobbing davidszotten/advent-of-code-2017
[INFO] frobbed toml for davidszotten/advent-of-code-2017 written to work/ex/beta-1.38-1/sources/1.37.0/gh/davidszotten/advent-of-code-2017/Cargo.toml
[INFO] started frobbing davidszotten/advent-of-code-2017
[INFO] finished frobbing davidszotten/advent-of-code-2017
[INFO] frobbed toml for davidszotten/advent-of-code-2017 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidszotten/advent-of-code-2017/Cargo.toml
[INFO] crate davidszotten/advent-of-code-2017 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 davidszotten/advent-of-code-2017 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-2/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/davidszotten/advent-of-code-2017:/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] 506790ecc52ecf47fc342057b2534581ad6584031a73f1501811caaba7f6d2f2
[INFO] running `"docker" "start" "-a" "506790ecc52ecf47fc342057b2534581ad6584031a73f1501811caaba7f6d2f2"`
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling aoc2017 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(conservative_impl_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(match_default_bindings)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(slice_rotate)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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(universal_impl_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `rotate` found for type `std::vec::Vec<usize>` in the current scope
[INFO] [stderr]   --> src/day10.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |         list.rotate((*length + skip) % list_len);
[INFO] [stderr]    |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `rotate` found for type `std::vec::Vec<usize>` in the current scope
[INFO] [stderr]   --> src/day10.rs:93:10
[INFO] [stderr]    |
[INFO] [stderr] 93 |     list.rotate(step);
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `u32` cannot be dereferenced
[INFO] [stderr]   --> src/day24.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |         .filter(|(_, &(x, y))| *x == start || *y == start);
[INFO] [stderr]    |                                ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `u32` cannot be dereferenced
[INFO] [stderr]   --> src/day24.rs:18:47
[INFO] [stderr]    |
[INFO] [stderr] 18 |         .filter(|(_, &(x, y))| *x == start || *y == start);
[INFO] [stderr]    |                                               ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `u32` cannot be dereferenced
[INFO] [stderr]   --> src/day24.rs:36:32
[INFO] [stderr]    |
[INFO] [stderr] 36 |         .filter(|(_, &(x, y))| *x == start || *y == start);
[INFO] [stderr]    |                                ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `u32` cannot be dereferenced
[INFO] [stderr]   --> src/day24.rs:36:47
[INFO] [stderr]    |
[INFO] [stderr] 36 |         .filter(|(_, &(x, y))| *x == start || *y == start);
[INFO] [stderr]    |                                               ^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0599, E0614.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `aoc2017`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "506790ecc52ecf47fc342057b2534581ad6584031a73f1501811caaba7f6d2f2"`
[INFO] running `"docker" "rm" "-f" "506790ecc52ecf47fc342057b2534581ad6584031a73f1501811caaba7f6d2f2"`
[INFO] [stdout] 506790ecc52ecf47fc342057b2534581ad6584031a73f1501811caaba7f6d2f2