Dec 13 14:27:57.511 INFO testing kbacha/string-clone-performance-rust against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 14:27:57.511 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 14:27:58.023 INFO [stdout] 79186e48856e6e4b7ea54ac2b7cdc95375040788fad4312511a2dfeac7ce92e1
Dec 13 14:27:58.027 INFO running `"docker" "start" "-a" "79186e48856e6e4b7ea54ac2b7cdc95375040788fad4312511a2dfeac7ce92e1"`
Dec 13 14:27:59.313 INFO [stderr] usermod: no changes
Dec 13 14:27:59.363 INFO [stderr]    Compiling string-clone-performance v0.1.0 (/source)
Dec 13 14:27:59.827 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 13 14:27:59.827 INFO [stderr]   --> src/main.rs:13:38
Dec 13 14:27:59.827 INFO [stderr]    |
Dec 13 14:27:59.827 INFO [stderr] 13 |     time("100 rs", 100_000_000, || { s.clone(); });
Dec 13 14:27:59.827 INFO [stderr]    |                                      ^^^^^^^^^^
Dec 13 14:27:59.827 INFO [stderr]    |
Dec 13 14:27:59.827 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 14:27:59.827 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 13 14:27:59.827 INFO [stderr] 
Dec 13 14:27:59.827 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 13 14:27:59.827 INFO [stderr]   --> src/main.rs:15:39
Dec 13 14:27:59.827 INFO [stderr]    |
Dec 13 14:27:59.827 INFO [stderr] 15 |     time("1000 rs", 100_000_000, || { s.clone(); });
Dec 13 14:27:59.827 INFO [stderr]    |                                       ^^^^^^^^^^
Dec 13 14:27:59.827 INFO [stderr]    |
Dec 13 14:27:59.827 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 13 14:27:59.827 INFO [stderr] 
Dec 13 14:27:59.827 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 13 14:27:59.827 INFO [stderr]   --> src/main.rs:17:41
Dec 13 14:27:59.827 INFO [stderr]    |
Dec 13 14:27:59.827 INFO [stderr] 17 |     time("10,000 rs", 100_000_000, || { s.clone(); });
Dec 13 14:27:59.827 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 13 14:27:59.827 INFO [stderr]    |
Dec 13 14:27:59.827 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 13 14:27:59.827 INFO [stderr] 
Dec 13 14:27:59.827 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 13 14:27:59.827 INFO [stderr]   --> src/main.rs:19:41
Dec 13 14:27:59.827 INFO [stderr]    |
Dec 13 14:27:59.827 INFO [stderr] 19 |     time("100,000 rs", 10_000_000, || { s.clone(); });
Dec 13 14:27:59.827 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 13 14:27:59.827 INFO [stderr]    |
Dec 13 14:27:59.827 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 13 14:27:59.827 INFO [stderr] 
Dec 13 14:28:00.303 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 13 14:28:00.303 INFO [stderr] su: No module specific data is present
Dec 13 14:28:00.843 INFO running `"docker" "inspect" "79186e48856e6e4b7ea54ac2b7cdc95375040788fad4312511a2dfeac7ce92e1"`
Dec 13 14:28:01.195 INFO running `"docker" "rm" "-f" "79186e48856e6e4b7ea54ac2b7cdc95375040788fad4312511a2dfeac7ce92e1"`
Dec 13 14:28:01.579 INFO [stdout] 79186e48856e6e4b7ea54ac2b7cdc95375040788fad4312511a2dfeac7ce92e1
Dec 13 14:28:01.585 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 14:28:02.154 INFO [stdout] 34ae34cc53dd59f641a13f4661b93f49d54ea063ed0a5ef69bfc5bc55c694112
Dec 13 14:28:02.243 INFO running `"docker" "start" "-a" "34ae34cc53dd59f641a13f4661b93f49d54ea063ed0a5ef69bfc5bc55c694112"`
Dec 13 14:28:04.295 INFO [stderr] usermod: no changes
Dec 13 14:28:04.375 INFO [stderr]    Compiling string-clone-performance v0.1.0 (/source)
Dec 13 14:28:04.830 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 13 14:28:04.830 INFO [stderr]   --> src/main.rs:13:38
Dec 13 14:28:04.830 INFO [stderr]    |
Dec 13 14:28:04.830 INFO [stderr] 13 |     time("100 rs", 100_000_000, || { s.clone(); });
Dec 13 14:28:04.830 INFO [stderr]    |                                      ^^^^^^^^^^
Dec 13 14:28:04.830 INFO [stderr]    |
Dec 13 14:28:04.830 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 14:28:04.830 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 13 14:28:04.830 INFO [stderr] 
Dec 13 14:28:04.830 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 13 14:28:04.830 INFO [stderr]   --> src/main.rs:15:39
Dec 13 14:28:04.830 INFO [stderr]    |
Dec 13 14:28:04.830 INFO [stderr] 15 |     time("1000 rs", 100_000_000, || { s.clone(); });
Dec 13 14:28:04.830 INFO [stderr]    |                                       ^^^^^^^^^^
Dec 13 14:28:04.830 INFO [stderr]    |
Dec 13 14:28:04.830 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 13 14:28:04.830 INFO [stderr] 
Dec 13 14:28:04.830 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 13 14:28:04.830 INFO [stderr]   --> src/main.rs:17:41
Dec 13 14:28:04.830 INFO [stderr]    |
Dec 13 14:28:04.830 INFO [stderr] 17 |     time("10,000 rs", 100_000_000, || { s.clone(); });
Dec 13 14:28:04.830 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 13 14:28:04.830 INFO [stderr]    |
Dec 13 14:28:04.830 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 13 14:28:04.830 INFO [stderr] 
Dec 13 14:28:04.830 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 13 14:28:04.830 INFO [stderr]   --> src/main.rs:19:41
Dec 13 14:28:04.830 INFO [stderr]    |
Dec 13 14:28:04.830 INFO [stderr] 19 |     time("100,000 rs", 10_000_000, || { s.clone(); });
Dec 13 14:28:04.830 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 13 14:28:04.830 INFO [stderr]    |
Dec 13 14:28:04.830 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 13 14:28:04.830 INFO [stderr] 
Dec 13 14:28:05.171 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Dec 13 14:28:05.175 INFO [stderr] su: No module specific data is present
Dec 13 14:28:05.961 INFO running `"docker" "inspect" "34ae34cc53dd59f641a13f4661b93f49d54ea063ed0a5ef69bfc5bc55c694112"`
Dec 13 14:28:06.307 INFO running `"docker" "rm" "-f" "34ae34cc53dd59f641a13f4661b93f49d54ea063ed0a5ef69bfc5bc55c694112"`
Dec 13 14:28:06.575 INFO [stdout] 34ae34cc53dd59f641a13f4661b93f49d54ea063ed0a5ef69bfc5bc55c694112
Dec 13 14:28:06.581 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 14:28:07.107 INFO [stdout] 74502c9099e33181f3f7078b896364193fe90adf2b14ce22ab3bb11c41e5bd66
Dec 13 14:28:07.184 INFO running `"docker" "start" "-a" "74502c9099e33181f3f7078b896364193fe90adf2b14ce22ab3bb11c41e5bd66"`
Dec 13 14:28:08.279 INFO [stderr] usermod: no changes
Dec 13 14:28:08.339 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 13 14:28:08.343 INFO [stderr]      Running /target/debug/deps/string_clone_performance-4a06006bf1e5cf71
Dec 13 14:28:08.347 INFO [stdout] 
Dec 13 14:28:08.347 INFO [stdout] running 0 tests
Dec 13 14:28:08.347 INFO [stdout] 
Dec 13 14:28:08.347 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 14:28:08.347 INFO [stdout] 
Dec 13 14:28:08.353 INFO [stderr] su: No module specific data is present
Dec 13 14:28:08.931 INFO running `"docker" "inspect" "74502c9099e33181f3f7078b896364193fe90adf2b14ce22ab3bb11c41e5bd66"`
Dec 13 14:28:09.270 INFO running `"docker" "rm" "-f" "74502c9099e33181f3f7078b896364193fe90adf2b14ce22ab3bb11c41e5bd66"`
Dec 13 14:28:09.699 INFO [stdout] 74502c9099e33181f3f7078b896364193fe90adf2b14ce22ab3bb11c41e5bd66