Dec 05 18:49:52.704 INFO testing kbacha/string-clone-performance-rust against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 18:49:52.704 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 18:49:53.193 INFO [stdout] 67877a4fea2eea244434a1da15077fed9e13898c22947e322f6a253941048257
Dec 05 18:49:53.195 INFO running `"docker" "start" "-a" "67877a4fea2eea244434a1da15077fed9e13898c22947e322f6a253941048257"`
Dec 05 18:49:54.904 INFO [stderr] usermod: no changes
Dec 05 18:49:54.972 INFO [stderr]    Compiling string-clone-performance v0.1.0 (/source)
Dec 05 18:49:55.266 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 05 18:49:55.266 INFO [stderr]   --> src/main.rs:13:38
Dec 05 18:49:55.266 INFO [stderr]    |
Dec 05 18:49:55.266 INFO [stderr] 13 |     time("100 rs", 100_000_000, || { s.clone(); });
Dec 05 18:49:55.266 INFO [stderr]    |                                      ^^^^^^^^^^
Dec 05 18:49:55.266 INFO [stderr]    |
Dec 05 18:49:55.266 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 18:49:55.266 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 05 18:49:55.266 INFO [stderr] 
Dec 05 18:49:55.267 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 05 18:49:55.267 INFO [stderr]   --> src/main.rs:15:39
Dec 05 18:49:55.267 INFO [stderr]    |
Dec 05 18:49:55.267 INFO [stderr] 15 |     time("1000 rs", 100_000_000, || { s.clone(); });
Dec 05 18:49:55.267 INFO [stderr]    |                                       ^^^^^^^^^^
Dec 05 18:49:55.267 INFO [stderr]    |
Dec 05 18:49:55.267 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 05 18:49:55.267 INFO [stderr] 
Dec 05 18:49:55.267 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 05 18:49:55.267 INFO [stderr]   --> src/main.rs:17:41
Dec 05 18:49:55.267 INFO [stderr]    |
Dec 05 18:49:55.267 INFO [stderr] 17 |     time("10,000 rs", 100_000_000, || { s.clone(); });
Dec 05 18:49:55.267 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 05 18:49:55.267 INFO [stderr]    |
Dec 05 18:49:55.267 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 05 18:49:55.267 INFO [stderr] 
Dec 05 18:49:55.267 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 05 18:49:55.267 INFO [stderr]   --> src/main.rs:19:41
Dec 05 18:49:55.267 INFO [stderr]    |
Dec 05 18:49:55.267 INFO [stderr] 19 |     time("100,000 rs", 10_000_000, || { s.clone(); });
Dec 05 18:49:55.267 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 05 18:49:55.267 INFO [stderr]    |
Dec 05 18:49:55.267 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 05 18:49:55.267 INFO [stderr] 
Dec 05 18:49:55.817 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 05 18:49:55.820 INFO [stderr] su: No module specific data is present
Dec 05 18:49:57.229 INFO running `"docker" "inspect" "67877a4fea2eea244434a1da15077fed9e13898c22947e322f6a253941048257"`
Dec 05 18:49:57.530 INFO running `"docker" "rm" "-f" "67877a4fea2eea244434a1da15077fed9e13898c22947e322f6a253941048257"`
Dec 05 18:49:57.796 INFO [stdout] 67877a4fea2eea244434a1da15077fed9e13898c22947e322f6a253941048257
Dec 05 18:49:57.802 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 18:49:58.392 INFO [stdout] 49de80a7fec8efc87302ea40048ed4ee9e99cd2bfb5800fa9f73f118f5cc426c
Dec 05 18:49:58.394 INFO running `"docker" "start" "-a" "49de80a7fec8efc87302ea40048ed4ee9e99cd2bfb5800fa9f73f118f5cc426c"`
Dec 05 18:50:00.100 INFO [stderr] usermod: no changes
Dec 05 18:50:00.156 INFO [stderr]    Compiling string-clone-performance v0.1.0 (/source)
Dec 05 18:50:00.648 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 05 18:50:00.648 INFO [stderr]   --> src/main.rs:13:38
Dec 05 18:50:00.648 INFO [stderr]    |
Dec 05 18:50:00.648 INFO [stderr] 13 |     time("100 rs", 100_000_000, || { s.clone(); });
Dec 05 18:50:00.648 INFO [stderr]    |                                      ^^^^^^^^^^
Dec 05 18:50:00.648 INFO [stderr]    |
Dec 05 18:50:00.648 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 18:50:00.648 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 05 18:50:00.648 INFO [stderr] 
Dec 05 18:50:00.648 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 05 18:50:00.648 INFO [stderr]   --> src/main.rs:15:39
Dec 05 18:50:00.648 INFO [stderr]    |
Dec 05 18:50:00.648 INFO [stderr] 15 |     time("1000 rs", 100_000_000, || { s.clone(); });
Dec 05 18:50:00.648 INFO [stderr]    |                                       ^^^^^^^^^^
Dec 05 18:50:00.648 INFO [stderr]    |
Dec 05 18:50:00.649 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 05 18:50:00.649 INFO [stderr] 
Dec 05 18:50:00.649 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 05 18:50:00.649 INFO [stderr]   --> src/main.rs:17:41
Dec 05 18:50:00.649 INFO [stderr]    |
Dec 05 18:50:00.649 INFO [stderr] 17 |     time("10,000 rs", 100_000_000, || { s.clone(); });
Dec 05 18:50:00.649 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 05 18:50:00.649 INFO [stderr]    |
Dec 05 18:50:00.649 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 05 18:50:00.649 INFO [stderr] 
Dec 05 18:50:00.649 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
Dec 05 18:50:00.649 INFO [stderr]   --> src/main.rs:19:41
Dec 05 18:50:00.649 INFO [stderr]    |
Dec 05 18:50:00.649 INFO [stderr] 19 |     time("100,000 rs", 10_000_000, || { s.clone(); });
Dec 05 18:50:00.649 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 05 18:50:00.649 INFO [stderr]    |
Dec 05 18:50:00.649 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 05 18:50:00.649 INFO [stderr] 
Dec 05 18:50:01.015 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Dec 05 18:50:01.018 INFO [stderr] su: No module specific data is present
Dec 05 18:50:01.700 INFO running `"docker" "inspect" "49de80a7fec8efc87302ea40048ed4ee9e99cd2bfb5800fa9f73f118f5cc426c"`
Dec 05 18:50:01.936 INFO running `"docker" "rm" "-f" "49de80a7fec8efc87302ea40048ed4ee9e99cd2bfb5800fa9f73f118f5cc426c"`
Dec 05 18:50:02.220 INFO [stdout] 49de80a7fec8efc87302ea40048ed4ee9e99cd2bfb5800fa9f73f118f5cc426c
Dec 05 18:50:02.228 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 18:50:02.820 INFO [stdout] 3b7081aec9d1e0fca1d91d245304d9129a5e9bdaf7ac1f3ed140f9791f303074
Dec 05 18:50:02.822 INFO running `"docker" "start" "-a" "3b7081aec9d1e0fca1d91d245304d9129a5e9bdaf7ac1f3ed140f9791f303074"`
Dec 05 18:50:03.586 INFO [stderr] usermod: no changes
Dec 05 18:50:03.637 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 05 18:50:03.637 INFO [stderr]      Running /target/debug/deps/string_clone_performance-8834c69d8de41ab6
Dec 05 18:50:03.639 INFO [stdout] 
Dec 05 18:50:03.639 INFO [stdout] running 0 tests
Dec 05 18:50:03.639 INFO [stdout] 
Dec 05 18:50:03.639 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 18:50:03.639 INFO [stdout] 
Dec 05 18:50:03.641 INFO [stderr] su: No module specific data is present
Dec 05 18:50:04.134 INFO running `"docker" "inspect" "3b7081aec9d1e0fca1d91d245304d9129a5e9bdaf7ac1f3ed140f9791f303074"`
Dec 05 18:50:04.434 INFO running `"docker" "rm" "-f" "3b7081aec9d1e0fca1d91d245304d9129a5e9bdaf7ac1f3ed140f9791f303074"`
Dec 05 18:50:04.750 INFO [stdout] 3b7081aec9d1e0fca1d91d245304d9129a5e9bdaf7ac1f3ed140f9791f303074