[INFO] updating cached repository anapaulagomes/advent-of-code
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/anapaulagomes/advent-of-code
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/anapaulagomes/advent-of-code" "work/ex/beta-1.38-1/sources/1.37.0/gh/anapaulagomes/advent-of-code"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/anapaulagomes/advent-of-code'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/anapaulagomes/advent-of-code" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anapaulagomes/advent-of-code"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anapaulagomes/advent-of-code'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 32b4ee21ea95b8b30b5a5e925e9af0525c371cd1
[INFO] sha for GitHub repo anapaulagomes/advent-of-code: 32b4ee21ea95b8b30b5a5e925e9af0525c371cd1
[INFO] validating manifest of anapaulagomes/advent-of-code 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 anapaulagomes/advent-of-code 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 anapaulagomes/advent-of-code
[INFO] finished frobbing anapaulagomes/advent-of-code
[INFO] frobbed toml for anapaulagomes/advent-of-code written to work/ex/beta-1.38-1/sources/1.37.0/gh/anapaulagomes/advent-of-code/Cargo.toml
[INFO] started frobbing anapaulagomes/advent-of-code
[INFO] finished frobbing anapaulagomes/advent-of-code
[INFO] frobbed toml for anapaulagomes/advent-of-code written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anapaulagomes/advent-of-code/Cargo.toml
[INFO] crate anapaulagomes/advent-of-code 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 anapaulagomes/advent-of-code 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/anapaulagomes/advent-of-code:/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] e59c57c799d9d94cdf2989a1cfb1e26afdcf554077c6adaae08c0f05b7a68c60
[INFO] running `"docker" "start" "-a" "e59c57c799d9d94cdf2989a1cfb1e26afdcf554077c6adaae08c0f05b7a68c60"`
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `day1::first_frequency`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use day1::first_frequency;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `first_frequency`
[INFO] [stderr]   --> src/day1.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn first_frequency(numbers: Vec<&str>) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "e59c57c799d9d94cdf2989a1cfb1e26afdcf554077c6adaae08c0f05b7a68c60"`
[INFO] running `"docker" "rm" "-f" "e59c57c799d9d94cdf2989a1cfb1e26afdcf554077c6adaae08c0f05b7a68c60"`
[INFO] [stdout] e59c57c799d9d94cdf2989a1cfb1e26afdcf554077c6adaae08c0f05b7a68c60
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/anapaulagomes/advent-of-code:/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] 15ac060dc16dac56d1c5ef37d98eeb83dd11c312017802a99f9287e6f7fe2158
[INFO] running `"docker" "start" "-a" "15ac060dc16dac56d1c5ef37d98eeb83dd11c312017802a99f9287e6f7fe2158"`
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `day1::first_frequency`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use day1::first_frequency;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "15ac060dc16dac56d1c5ef37d98eeb83dd11c312017802a99f9287e6f7fe2158"`
[INFO] running `"docker" "rm" "-f" "15ac060dc16dac56d1c5ef37d98eeb83dd11c312017802a99f9287e6f7fe2158"`
[INFO] [stdout] 15ac060dc16dac56d1c5ef37d98eeb83dd11c312017802a99f9287e6f7fe2158
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/anapaulagomes/advent-of-code:/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] 9e5a750ab3a111f3cbca8de58b3a7c1f3e72c755929012dacae415318a0df623
[INFO] running `"docker" "start" "-a" "9e5a750ab3a111f3cbca8de58b3a7c1f3e72c755929012dacae415318a0df623"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent_of_code-6a439c3a4e8ac4ff
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test day1::tests_first_frequency::test_check_two_numbers ... ok
[INFO] [stdout] test day1::tests_first_frequency::test_main_example ... ok
[INFO] [stdout] test day1::tests_first_frequency::test_reaches_fourteen ... ok
[INFO] [stdout] test day1::tests_first_frequency::test_reaches_five ... ok
[INFO] [stdout] test day1::tests_first_frequency::test_reaches_ten ... ok
[INFO] [stdout] test day1::tests_resulting_frequency::test_main_example ... ok
[INFO] [stdout] test day1::tests_resulting_frequency::test_negative_numbers_only ... ok
[INFO] [stdout] test day1::tests_resulting_frequency::test_positive_numbers_only ... ok
[INFO] [stdout] test day1::tests_resulting_frequency::test_random_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9e5a750ab3a111f3cbca8de58b3a7c1f3e72c755929012dacae415318a0df623"`
[INFO] running `"docker" "rm" "-f" "9e5a750ab3a111f3cbca8de58b3a7c1f3e72c755929012dacae415318a0df623"`
[INFO] [stdout] 9e5a750ab3a111f3cbca8de58b3a7c1f3e72c755929012dacae415318a0df623