[INFO] updating cached repository sturose/aoc2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sturose/aoc2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sturose/aoc2018" "work/ex/beta-1.37-6/sources/1.36.0/gh/sturose/aoc2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sturose/aoc2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sturose/aoc2018" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sturose/aoc2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sturose/aoc2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0a487a2bc1f1ca9004584fbef46873f626ced202
[INFO] sha for GitHub repo sturose/aoc2018: 0a487a2bc1f1ca9004584fbef46873f626ced202
[INFO] validating manifest of sturose/aoc2018 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sturose/aoc2018 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sturose/aoc2018
[INFO] finished frobbing sturose/aoc2018
[INFO] frobbed toml for sturose/aoc2018 written to work/ex/beta-1.37-6/sources/1.36.0/gh/sturose/aoc2018/Cargo.toml
[INFO] started frobbing sturose/aoc2018
[INFO] finished frobbing sturose/aoc2018
[INFO] frobbed toml for sturose/aoc2018 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sturose/aoc2018/Cargo.toml
[INFO] crate sturose/aoc2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sturose/aoc2018 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sturose/aoc2018:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 55a43b9ecc63aacb61b76f261711deda7643f442cfe989f33452e9a366d6a329
[INFO] running `"docker" "start" "-a" "55a43b9ecc63aacb61b76f261711deda7643f442cfe989f33452e9a366d6a329"`
[INFO] [stderr]    Compiling aoc2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day3.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut split1 = line.unwrap();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "55a43b9ecc63aacb61b76f261711deda7643f442cfe989f33452e9a366d6a329"`
[INFO] running `"docker" "rm" "-f" "55a43b9ecc63aacb61b76f261711deda7643f442cfe989f33452e9a366d6a329"`
[INFO] [stdout] 55a43b9ecc63aacb61b76f261711deda7643f442cfe989f33452e9a366d6a329
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sturose/aoc2018:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 78ac7ea0ff7bd61aed5198172847f8d926e3f1373b165818f18e33ace986cdfe
[INFO] running `"docker" "start" "-a" "78ac7ea0ff7bd61aed5198172847f8d926e3f1373b165818f18e33ace986cdfe"`
[INFO] [stderr]    Compiling aoc2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day3.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut split1 = line.unwrap();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "78ac7ea0ff7bd61aed5198172847f8d926e3f1373b165818f18e33ace986cdfe"`
[INFO] running `"docker" "rm" "-f" "78ac7ea0ff7bd61aed5198172847f8d926e3f1373b165818f18e33ace986cdfe"`
[INFO] [stdout] 78ac7ea0ff7bd61aed5198172847f8d926e3f1373b165818f18e33ace986cdfe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sturose/aoc2018:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c844173812ebf819119a7b6ad221fe1e7f0c71437f0a9c2558df027dbffa4eac
[INFO] running `"docker" "start" "-a" "c844173812ebf819119a7b6ad221fe1e7f0c71437f0a9c2558df027dbffa4eac"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/aoc2018-5db0982fd79d9f32
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c844173812ebf819119a7b6ad221fe1e7f0c71437f0a9c2558df027dbffa4eac"`
[INFO] running `"docker" "rm" "-f" "c844173812ebf819119a7b6ad221fe1e7f0c71437f0a9c2558df027dbffa4eac"`
[INFO] [stdout] c844173812ebf819119a7b6ad221fe1e7f0c71437f0a9c2558df027dbffa4eac