[INFO] updating cached repository Ophirr33/aoc-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Ophirr33/aoc-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Ophirr33/aoc-2018" "work/ex/beta-1.38-1/sources/1.37.0/gh/Ophirr33/aoc-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Ophirr33/aoc-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Ophirr33/aoc-2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ophirr33/aoc-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ophirr33/aoc-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c33d863f127c58e84314c0af109eb68e9f5b4adf
[INFO] sha for GitHub repo Ophirr33/aoc-2018: c33d863f127c58e84314c0af109eb68e9f5b4adf
[INFO] validating manifest of Ophirr33/aoc-2018 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 Ophirr33/aoc-2018 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 Ophirr33/aoc-2018
[INFO] finished frobbing Ophirr33/aoc-2018
[INFO] frobbed toml for Ophirr33/aoc-2018 written to work/ex/beta-1.38-1/sources/1.37.0/gh/Ophirr33/aoc-2018/Cargo.toml
[INFO] started frobbing Ophirr33/aoc-2018
[INFO] finished frobbing Ophirr33/aoc-2018
[INFO] frobbed toml for Ophirr33/aoc-2018 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ophirr33/aoc-2018/Cargo.toml
[INFO] crate Ophirr33/aoc-2018 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 Ophirr33/aoc-2018 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/Ophirr33/aoc-2018:/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] 5040ed34aeb59d99088e0294afa815b1341e1fc4919bed63aa71f12296fee249
[INFO] running `"docker" "start" "-a" "5040ed34aeb59d99088e0294afa815b1341e1fc4919bed63aa71f12296fee249"`
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling aoc-2018 v0.1.0 (/opt/crater/workdir)
[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(uniform_paths)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime for pattern due to conflicting requirements
[INFO] [stderr]   --> src/day4.rs:50:45
[INFO] [stderr]    |
[INFO] [stderr] 50 |     mins.iter().enumerate().max_by_key(|(_, value)| value).map(|(idx, _)| idx).unwrap()
[INFO] [stderr]    |                                             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: first, the lifetime cannot outlive the anonymous lifetime #2 defined on the body at 50:40...
[INFO] [stderr]   --> src/day4.rs:50:40
[INFO] [stderr]    |
[INFO] [stderr] 50 |     mins.iter().enumerate().max_by_key(|(_, value)| value).map(|(idx, _)| idx).unwrap()
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: ...so that reference does not outlive borrowed content
[INFO] [stderr]   --> src/day4.rs:50:45
[INFO] [stderr]    |
[INFO] [stderr] 50 |     mins.iter().enumerate().max_by_key(|(_, value)| value).map(|(idx, _)| idx).unwrap()
[INFO] [stderr]    |                                             ^^^^^
[INFO] [stderr] note: but, the lifetime must be valid for the method call at 50:5...
[INFO] [stderr]   --> src/day4.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     mins.iter().enumerate().max_by_key(|(_, value)| value).map(|(idx, _)| idx).unwrap()
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: ...so that a type/lifetime parameter is in scope here
[INFO] [stderr]   --> src/day4.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     mins.iter().enumerate().max_by_key(|(_, value)| value).map(|(idx, _)| idx).unwrap()
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `aoc-2018`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5040ed34aeb59d99088e0294afa815b1341e1fc4919bed63aa71f12296fee249"`
[INFO] running `"docker" "rm" "-f" "5040ed34aeb59d99088e0294afa815b1341e1fc4919bed63aa71f12296fee249"`
[INFO] [stdout] 5040ed34aeb59d99088e0294afa815b1341e1fc4919bed63aa71f12296fee249