[INFO] updating cached repository marusama/hackerrank-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marusama/hackerrank-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marusama/hackerrank-rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/marusama/hackerrank-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/marusama/hackerrank-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marusama/hackerrank-rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/marusama/hackerrank-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of marusama/hackerrank-rust on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/marusama/hackerrank-rust/Cargo.toml
[INFO] crate marusama/hackerrank-rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing marusama/hackerrank-rust against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] f058ea97dbea968d820d480c5b6fdc4d5660ecf97244c7f22b857dbacf576f6f
[INFO] running `"docker" "start" "-a" "f058ea97dbea968d820d480c5b6fdc4d5660ecf97244c7f22b857dbacf576f6f"`
[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 0.46s
[INFO] running `"docker" "inspect" "f058ea97dbea968d820d480c5b6fdc4d5660ecf97244c7f22b857dbacf576f6f"`
[INFO] running `"docker" "rm" "-f" "f058ea97dbea968d820d480c5b6fdc4d5660ecf97244c7f22b857dbacf576f6f"`
[INFO] [stdout] f058ea97dbea968d820d480c5b6fdc4d5660ecf97244c7f22b857dbacf576f6f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 61bd2ff84072eb4e03fb7e8d046371c66165a1acfe61c6c301d88f350fae84b0
[INFO] running `"docker" "start" "-a" "61bd2ff84072eb4e03fb7e8d046371c66165a1acfe61c6c301d88f350fae84b0"`
[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 0.45s
[INFO] running `"docker" "inspect" "61bd2ff84072eb4e03fb7e8d046371c66165a1acfe61c6c301d88f350fae84b0"`
[INFO] running `"docker" "rm" "-f" "61bd2ff84072eb4e03fb7e8d046371c66165a1acfe61c6c301d88f350fae84b0"`
[INFO] [stdout] 61bd2ff84072eb4e03fb7e8d046371c66165a1acfe61c6c301d88f350fae84b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] edafefaba8203c709ed1550a98429944cb45fca227fff9239adff6838ed48234
[INFO] running `"docker" "start" "-a" "edafefaba8203c709ed1550a98429944cb45fca227fff9239adff6838ed48234"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hackerrank_rust-2cc9b2ace0e958a5
[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" "edafefaba8203c709ed1550a98429944cb45fca227fff9239adff6838ed48234"`
[INFO] running `"docker" "rm" "-f" "edafefaba8203c709ed1550a98429944cb45fca227fff9239adff6838ed48234"`
[INFO] [stdout] edafefaba8203c709ed1550a98429944cb45fca227fff9239adff6838ed48234