[INFO] updating cached repository Somnid/code-crackers
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Somnid/code-crackers
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Somnid/code-crackers" "work/ex/beta-1.38-1/sources/1.37.0/gh/Somnid/code-crackers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Somnid/code-crackers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Somnid/code-crackers" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Somnid/code-crackers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Somnid/code-crackers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f86147253a6de97f1ed073f1ee3d3984cbe78661
[INFO] sha for GitHub repo Somnid/code-crackers: f86147253a6de97f1ed073f1ee3d3984cbe78661
[INFO] validating manifest of Somnid/code-crackers 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 Somnid/code-crackers 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 Somnid/code-crackers
[INFO] finished frobbing Somnid/code-crackers
[INFO] frobbed toml for Somnid/code-crackers written to work/ex/beta-1.38-1/sources/1.37.0/gh/Somnid/code-crackers/Cargo.toml
[INFO] started frobbing Somnid/code-crackers
[INFO] finished frobbing Somnid/code-crackers
[INFO] frobbed toml for Somnid/code-crackers written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Somnid/code-crackers/Cargo.toml
[INFO] crate Somnid/code-crackers 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 Somnid/code-crackers 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Somnid/code-crackers:/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] efeb7e03af35cee21c2fadac192f67ccf0f23a84b74d4293cc7632a9030fa559
[INFO] running `"docker" "start" "-a" "efeb7e03af35cee21c2fadac192f67ccf0f23a84b74d4293cc7632a9030fa559"`
[INFO] [stderr]    Compiling code-crack v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `get_bit_size`
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn get_bit_size(num: u32) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_fixed_binary_vec`
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn to_fixed_binary_vec(num: u32, bit_size: u32) -> Vec<bool> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_least_sum`
[INFO] [stderr]   --> src/lib.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn get_least_sum(input: Vec<i32>, set_pattern: Vec<bool>) -> Option<i32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_least_sum_sets`
[INFO] [stderr]   --> src/lib.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn get_least_sum_sets(input: Vec<i32>) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "efeb7e03af35cee21c2fadac192f67ccf0f23a84b74d4293cc7632a9030fa559"`
[INFO] running `"docker" "rm" "-f" "efeb7e03af35cee21c2fadac192f67ccf0f23a84b74d4293cc7632a9030fa559"`
[INFO] [stdout] efeb7e03af35cee21c2fadac192f67ccf0f23a84b74d4293cc7632a9030fa559
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Somnid/code-crackers:/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] 79f5ba026e90e0a41cd10e5b4896fbeeba70145aadd7f3e2d7840ef12a393394
[INFO] running `"docker" "start" "-a" "79f5ba026e90e0a41cd10e5b4896fbeeba70145aadd7f3e2d7840ef12a393394"`
[INFO] [stderr]    Compiling code-crack v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "79f5ba026e90e0a41cd10e5b4896fbeeba70145aadd7f3e2d7840ef12a393394"`
[INFO] running `"docker" "rm" "-f" "79f5ba026e90e0a41cd10e5b4896fbeeba70145aadd7f3e2d7840ef12a393394"`
[INFO] [stdout] 79f5ba026e90e0a41cd10e5b4896fbeeba70145aadd7f3e2d7840ef12a393394
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Somnid/code-crackers:/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] 72797040cae95df9c33ec837afe95035b11f05a7866c78b36fd00b68b43d1bf8
[INFO] running `"docker" "start" "-a" "72797040cae95df9c33ec837afe95035b11f05a7866c78b36fd00b68b43d1bf8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/code_crack-5a9912831bc14d7e
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test sum_subset_tests::get_least_sum_sets_gets_right_answer ... ok
[INFO] [stdout] test sum_subset_tests::get_bit_size_gets_bit_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/code_crack-d9db6bf63a4bceb2
[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 code-crack
[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" "72797040cae95df9c33ec837afe95035b11f05a7866c78b36fd00b68b43d1bf8"`
[INFO] running `"docker" "rm" "-f" "72797040cae95df9c33ec837afe95035b11f05a7866c78b36fd00b68b43d1bf8"`
[INFO] [stdout] 72797040cae95df9c33ec837afe95035b11f05a7866c78b36fd00b68b43d1bf8