[INFO] updating cached repository Bestra/advent-2018-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Bestra/advent-2018-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Bestra/advent-2018-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/Bestra/advent-2018-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Bestra/advent-2018-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Bestra/advent-2018-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Bestra/advent-2018-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Bestra/advent-2018-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4c8897c54b4e52c5153a7f2c99a502fadef02306
[INFO] sha for GitHub repo Bestra/advent-2018-rs: 4c8897c54b4e52c5153a7f2c99a502fadef02306
[INFO] validating manifest of Bestra/advent-2018-rs 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 Bestra/advent-2018-rs 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 Bestra/advent-2018-rs
[INFO] finished frobbing Bestra/advent-2018-rs
[INFO] frobbed toml for Bestra/advent-2018-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/Bestra/advent-2018-rs/Cargo.toml
[INFO] started frobbing Bestra/advent-2018-rs
[INFO] finished frobbing Bestra/advent-2018-rs
[INFO] frobbed toml for Bestra/advent-2018-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Bestra/advent-2018-rs/Cargo.toml
[INFO] crate Bestra/advent-2018-rs 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 Bestra/advent-2018-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Bestra/advent-2018-rs:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8890130d828c3e239e8510ac40c9f610f31c7b0158c97cd88d6ce4872ea45297
[INFO] running `"docker" "start" "-a" "8890130d828c3e239e8510ac40c9f610f31c7b0158c97cd88d6ce4872ea45297"`
[INFO] [stderr]    Compiling serde v1.0.26
[INFO] [stderr]    Compiling maplit v1.0.0
[INFO] [stderr]    Compiling rprompt v1.0.3
[INFO] [stderr]    Compiling num-complex v0.1.41
[INFO] [stderr]    Compiling ncurses v5.88.0
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling cursive v0.7.5
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.39s
[INFO] running `"docker" "inspect" "8890130d828c3e239e8510ac40c9f610f31c7b0158c97cd88d6ce4872ea45297"`
[INFO] running `"docker" "rm" "-f" "8890130d828c3e239e8510ac40c9f610f31c7b0158c97cd88d6ce4872ea45297"`
[INFO] [stdout] 8890130d828c3e239e8510ac40c9f610f31c7b0158c97cd88d6ce4872ea45297
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Bestra/advent-2018-rs:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] dad3865204ebf72618d0c146990f45b2bf4094b977dc78ed657acfe0d0835231
[INFO] running `"docker" "start" "-a" "dad3865204ebf72618d0c146990f45b2bf4094b977dc78ed657acfe0d0835231"`
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `split`
[INFO] [stderr]   --> src/day_4.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn split(s: &str) -> Vec<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `"docker" "inspect" "dad3865204ebf72618d0c146990f45b2bf4094b977dc78ed657acfe0d0835231"`
[INFO] running `"docker" "rm" "-f" "dad3865204ebf72618d0c146990f45b2bf4094b977dc78ed657acfe0d0835231"`
[INFO] [stdout] dad3865204ebf72618d0c146990f45b2bf4094b977dc78ed657acfe0d0835231
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Bestra/advent-2018-rs:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6c9ce5899828ef3b3d6122c2d5b15f11381df869acadf91102d1931e21c09f22
[INFO] running `"docker" "start" "-a" "6c9ce5899828ef3b3d6122c2d5b15f11381df869acadf91102d1931e21c09f22"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent-35a98c181c1f5a19
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test day_1::tests::pt_2 ... ok
[INFO] [stdout] test day_2::tests::pt_2 ... ok
[INFO] [stdout] test day_2::tests::pt_1 ... ok
[INFO] [stdout] test day_1::tests::pt_1 ... ok
[INFO] [stdout] test day_3::tests::check_17 ... ok
[INFO] [stdout] test day_3::tests::pt_1 ... ok
[INFO] [stdout] test day_3::tests::check_dist ... ok
[INFO] [stdout] test day_4::tests::pt_2 ... ok
[INFO] [stdout] test day_4::tests::pt_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent-f3a6e94c1a47ab9f
[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] [stderr]    Doc-tests advent
[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" "6c9ce5899828ef3b3d6122c2d5b15f11381df869acadf91102d1931e21c09f22"`
[INFO] running `"docker" "rm" "-f" "6c9ce5899828ef3b3d6122c2d5b15f11381df869acadf91102d1931e21c09f22"`
[INFO] [stdout] 6c9ce5899828ef3b3d6122c2d5b15f11381df869acadf91102d1931e21c09f22