[INFO] updating cached repository callum-oakley/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/callum-oakley/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/callum-oakley/advent-of-code-2018" "work/ex/beta-1.38-1/sources/1.37.0/gh/callum-oakley/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/callum-oakley/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/callum-oakley/advent-of-code-2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/callum-oakley/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/callum-oakley/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c7bed3ca45abcf2ca8bb39f0593a7ee54e11dee
[INFO] sha for GitHub repo callum-oakley/advent-of-code-2018: 9c7bed3ca45abcf2ca8bb39f0593a7ee54e11dee
[INFO] validating manifest of callum-oakley/advent-of-code-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 callum-oakley/advent-of-code-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 callum-oakley/advent-of-code-2018
[INFO] finished frobbing callum-oakley/advent-of-code-2018
[INFO] frobbed toml for callum-oakley/advent-of-code-2018 written to work/ex/beta-1.38-1/sources/1.37.0/gh/callum-oakley/advent-of-code-2018/Cargo.toml
[INFO] started frobbing callum-oakley/advent-of-code-2018
[INFO] finished frobbing callum-oakley/advent-of-code-2018
[INFO] frobbed toml for callum-oakley/advent-of-code-2018 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/callum-oakley/advent-of-code-2018/Cargo.toml
[INFO] crate callum-oakley/advent-of-code-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 callum-oakley/advent-of-code-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-4/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/callum-oakley/advent-of-code-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] 4398cb546df699a3b8da2ae012dc9200ca9af3d0a7182ae05d50992a841b7652
[INFO] running `"docker" "start" "-a" "4398cb546df699a3b8da2ae012dc9200ca9af3d0a7182ae05d50992a841b7652"`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling simple-error v0.1.12
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `str: std::convert::AsRef<_>`
[INFO] [stderr]   --> src/day03.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |       Ok(require_with!(
[INFO] [stderr]    |  ________^
[INFO] [stderr] 68 | |         claims.iter().find(|c| c.squares().all(|s| fabric[&s] == 1)),
[INFO] [stderr] 69 | |         "all claims overlap!"
[INFO] [stderr] 70 | |     )
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `advent-of-code-2018`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4398cb546df699a3b8da2ae012dc9200ca9af3d0a7182ae05d50992a841b7652"`
[INFO] running `"docker" "rm" "-f" "4398cb546df699a3b8da2ae012dc9200ca9af3d0a7182ae05d50992a841b7652"`
[INFO] [stdout] 4398cb546df699a3b8da2ae012dc9200ca9af3d0a7182ae05d50992a841b7652