[INFO] cloning repository marusama/hackerrank-rust
[INFO] running `"git" "clone" "--bare" "git://github.com/marusama/hackerrank-rust.git" "work/cache/sources/gh/marusama/hackerrank-rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/marusama/hackerrank-rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/marusama/hackerrank-rust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/marusama/hackerrank-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/marusama/hackerrank-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marusama/hackerrank-rust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/marusama/hackerrank-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/marusama/hackerrank-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5727f32b88cfeef32d39d57bae87b8bdc7e5fb5f
[INFO] sha for GitHub repo marusama/hackerrank-rust: 5727f32b88cfeef32d39d57bae87b8bdc7e5fb5f
[INFO] validating manifest of marusama/hackerrank-rust on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of marusama/hackerrank-rust on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing marusama/hackerrank-rust
[INFO] finished frobbing marusama/hackerrank-rust
[INFO] frobbed toml for marusama/hackerrank-rust written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/marusama/hackerrank-rust/Cargo.toml
[INFO] started frobbing marusama/hackerrank-rust
[INFO] finished frobbing marusama/hackerrank-rust
[INFO] frobbed toml for marusama/hackerrank-rust written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/marusama/hackerrank-rust/Cargo.toml
[INFO] crate marusama/hackerrank-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing marusama/hackerrank-rust against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/marusama/hackerrank-rust:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 13ac94e0986b37af873f20a686ed7f7a19043098fe1066ed9663f8fd047661aa
[INFO] running `"docker" "start" "-a" "13ac94e0986b37af873f20a686ed7f7a19043098fe1066ed9663f8fd047661aa"`
[INFO] [stderr]    Compiling hackerrank-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::vec`
[INFO] [stderr]  --> src/algorithms/warmup/compare_the_triplets.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::vec;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "13ac94e0986b37af873f20a686ed7f7a19043098fe1066ed9663f8fd047661aa"`
[INFO] running `"docker" "rm" "-f" "13ac94e0986b37af873f20a686ed7f7a19043098fe1066ed9663f8fd047661aa"`
[INFO] [stdout] 13ac94e0986b37af873f20a686ed7f7a19043098fe1066ed9663f8fd047661aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/marusama/hackerrank-rust:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1154e3f0270d8c1defd089853d2192f8396eabfd4120d4e007670f9e804ce502
[INFO] running `"docker" "start" "-a" "1154e3f0270d8c1defd089853d2192f8396eabfd4120d4e007670f9e804ce502"`
[INFO] [stderr]    Compiling hackerrank-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::vec`
[INFO] [stderr]  --> src/algorithms/warmup/compare_the_triplets.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::vec;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "1154e3f0270d8c1defd089853d2192f8396eabfd4120d4e007670f9e804ce502"`
[INFO] running `"docker" "rm" "-f" "1154e3f0270d8c1defd089853d2192f8396eabfd4120d4e007670f9e804ce502"`
[INFO] [stdout] 1154e3f0270d8c1defd089853d2192f8396eabfd4120d4e007670f9e804ce502
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/marusama/hackerrank-rust:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 1c5b65e5e59083fac6640589a6da347862b3854a390cacbec2377d2229c330d9
[INFO] running `"docker" "start" "-a" "1c5b65e5e59083fac6640589a6da347862b3854a390cacbec2377d2229c330d9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hackerrank_rust-5b42eb17bbcb34e0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test algorithms::warmup::compare_the_triplets::tests::test_compare ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1c5b65e5e59083fac6640589a6da347862b3854a390cacbec2377d2229c330d9"`
[INFO] running `"docker" "rm" "-f" "1c5b65e5e59083fac6640589a6da347862b3854a390cacbec2377d2229c330d9"`
[INFO] [stdout] 1c5b65e5e59083fac6640589a6da347862b3854a390cacbec2377d2229c330d9