Dec 01 12:52:54.476 INFO testing kbacha/string-clone-performance-rust against 1.30.1 for beta-1.31-5
Dec 01 12:52:54.476 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 12:52:54.931 INFO [stdout] 1ee78495681201632b830d656df5ab0517b2097c0547a706b406467a3b4565d9
Dec 01 12:52:54.933 INFO running `"docker" "start" "-a" "1ee78495681201632b830d656df5ab0517b2097c0547a706b406467a3b4565d9"`
Dec 01 12:52:56.407 INFO [stderr] usermod: no changes
Dec 01 12:52:56.451 INFO [stderr]    Compiling string-clone-performance v0.1.0 (/source)
Dec 01 12:52:56.867 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` which must be used
Dec 01 12:52:56.867 INFO [stderr]   --> src/main.rs:13:38
Dec 01 12:52:56.867 INFO [stderr]    |
Dec 01 12:52:56.867 INFO [stderr] 13 |     time("100 rs", 100_000_000, || { s.clone(); });
Dec 01 12:52:56.867 INFO [stderr]    |                                      ^^^^^^^^^^
Dec 01 12:52:56.867 INFO [stderr]    |
Dec 01 12:52:56.867 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 12:52:56.867 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 01 12:52:56.867 INFO [stderr] 
Dec 01 12:52:56.867 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` which must be used
Dec 01 12:52:56.867 INFO [stderr]   --> src/main.rs:15:39
Dec 01 12:52:56.867 INFO [stderr]    |
Dec 01 12:52:56.867 INFO [stderr] 15 |     time("1000 rs", 100_000_000, || { s.clone(); });
Dec 01 12:52:56.867 INFO [stderr]    |                                       ^^^^^^^^^^
Dec 01 12:52:56.867 INFO [stderr]    |
Dec 01 12:52:56.867 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 01 12:52:56.867 INFO [stderr] 
Dec 01 12:52:56.867 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` which must be used
Dec 01 12:52:56.867 INFO [stderr]   --> src/main.rs:17:41
Dec 01 12:52:56.867 INFO [stderr]    |
Dec 01 12:52:56.867 INFO [stderr] 17 |     time("10,000 rs", 100_000_000, || { s.clone(); });
Dec 01 12:52:56.867 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 01 12:52:56.867 INFO [stderr]    |
Dec 01 12:52:56.867 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 01 12:52:56.867 INFO [stderr] 
Dec 01 12:52:56.867 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` which must be used
Dec 01 12:52:56.867 INFO [stderr]   --> src/main.rs:19:41
Dec 01 12:52:56.867 INFO [stderr]    |
Dec 01 12:52:56.867 INFO [stderr] 19 |     time("100,000 rs", 10_000_000, || { s.clone(); });
Dec 01 12:52:56.867 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 01 12:52:56.867 INFO [stderr]    |
Dec 01 12:52:56.867 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 01 12:52:56.867 INFO [stderr] 
Dec 01 12:52:57.317 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Dec 01 12:52:57.320 INFO [stderr] su: No module specific data is present
Dec 01 12:52:57.713 INFO running `"docker" "inspect" "1ee78495681201632b830d656df5ab0517b2097c0547a706b406467a3b4565d9"`
Dec 01 12:52:58.044 INFO running `"docker" "rm" "-f" "1ee78495681201632b830d656df5ab0517b2097c0547a706b406467a3b4565d9"`
Dec 01 12:52:58.359 INFO [stdout] 1ee78495681201632b830d656df5ab0517b2097c0547a706b406467a3b4565d9
Dec 01 12:52:58.367 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 12:52:58.899 INFO [stdout] d44acc43700fdbc8ed7d22405fb8c02165e768049b0e8fa6ebec1676d29d0890
Dec 01 12:52:58.905 INFO running `"docker" "start" "-a" "d44acc43700fdbc8ed7d22405fb8c02165e768049b0e8fa6ebec1676d29d0890"`
Dec 01 12:53:00.079 INFO [stderr] usermod: no changes
Dec 01 12:53:00.126 INFO [stderr]    Compiling string-clone-performance v0.1.0 (/source)
Dec 01 12:53:00.647 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` which must be used
Dec 01 12:53:00.647 INFO [stderr]   --> src/main.rs:13:38
Dec 01 12:53:00.647 INFO [stderr]    |
Dec 01 12:53:00.647 INFO [stderr] 13 |     time("100 rs", 100_000_000, || { s.clone(); });
Dec 01 12:53:00.647 INFO [stderr]    |                                      ^^^^^^^^^^
Dec 01 12:53:00.647 INFO [stderr]    |
Dec 01 12:53:00.647 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 12:53:00.647 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 01 12:53:00.647 INFO [stderr] 
Dec 01 12:53:00.647 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` which must be used
Dec 01 12:53:00.647 INFO [stderr]   --> src/main.rs:15:39
Dec 01 12:53:00.647 INFO [stderr]    |
Dec 01 12:53:00.647 INFO [stderr] 15 |     time("1000 rs", 100_000_000, || { s.clone(); });
Dec 01 12:53:00.647 INFO [stderr]    |                                       ^^^^^^^^^^
Dec 01 12:53:00.647 INFO [stderr]    |
Dec 01 12:53:00.647 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 01 12:53:00.647 INFO [stderr] 
Dec 01 12:53:00.647 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` which must be used
Dec 01 12:53:00.647 INFO [stderr]   --> src/main.rs:17:41
Dec 01 12:53:00.647 INFO [stderr]    |
Dec 01 12:53:00.647 INFO [stderr] 17 |     time("10,000 rs", 100_000_000, || { s.clone(); });
Dec 01 12:53:00.647 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 01 12:53:00.647 INFO [stderr]    |
Dec 01 12:53:00.647 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 01 12:53:00.647 INFO [stderr] 
Dec 01 12:53:00.647 INFO [stderr] warning: unused return value of `std::clone::Clone::clone` which must be used
Dec 01 12:53:00.647 INFO [stderr]   --> src/main.rs:19:41
Dec 01 12:53:00.647 INFO [stderr]    |
Dec 01 12:53:00.647 INFO [stderr] 19 |     time("100,000 rs", 10_000_000, || { s.clone(); });
Dec 01 12:53:00.647 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 01 12:53:00.647 INFO [stderr]    |
Dec 01 12:53:00.647 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 01 12:53:00.647 INFO [stderr] 
Dec 01 12:53:01.116 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Dec 01 12:53:01.116 INFO [stderr] su: No module specific data is present
Dec 01 12:53:01.916 INFO running `"docker" "inspect" "d44acc43700fdbc8ed7d22405fb8c02165e768049b0e8fa6ebec1676d29d0890"`
Dec 01 12:53:02.192 INFO running `"docker" "rm" "-f" "d44acc43700fdbc8ed7d22405fb8c02165e768049b0e8fa6ebec1676d29d0890"`
Dec 01 12:53:02.391 INFO [stdout] d44acc43700fdbc8ed7d22405fb8c02165e768049b0e8fa6ebec1676d29d0890
Dec 01 12:53:02.399 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 12:53:02.703 INFO [stdout] 1e3c76bf76856e9ccd02d14fe3ec44aa5ecaced972bb70e145b1371e25d334a5
Dec 01 12:53:02.711 INFO running `"docker" "start" "-a" "1e3c76bf76856e9ccd02d14fe3ec44aa5ecaced972bb70e145b1371e25d334a5"`
Dec 01 12:53:03.291 INFO [stderr] usermod: no changes
Dec 01 12:53:03.325 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 01 12:53:03.327 INFO [stderr]      Running /target/debug/deps/string_clone_performance-089fc09ab8620e91
Dec 01 12:53:03.329 INFO [stdout] 
Dec 01 12:53:03.329 INFO [stdout] running 0 tests
Dec 01 12:53:03.329 INFO [stdout] 
Dec 01 12:53:03.329 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 12:53:03.329 INFO [stdout] 
Dec 01 12:53:03.330 INFO [stderr] su: No module specific data is present
Dec 01 12:53:03.665 INFO running `"docker" "inspect" "1e3c76bf76856e9ccd02d14fe3ec44aa5ecaced972bb70e145b1371e25d334a5"`
Dec 01 12:53:03.784 INFO running `"docker" "rm" "-f" "1e3c76bf76856e9ccd02d14fe3ec44aa5ecaced972bb70e145b1371e25d334a5"`
Dec 01 12:53:03.912 INFO [stdout] 1e3c76bf76856e9ccd02d14fe3ec44aa5ecaced972bb70e145b1371e25d334a5
