Oct 27 02:23:55.648 INFO checking kbacha/string-clone-performance-rust against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 27 02:23:55.648 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-0/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-alt check --frozen --all --all-targets" "-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"`
Oct 27 02:23:56.172 INFO blam! 9c5e8a2bdfe71427feab440cc8d5db0b176a10211db6e9a9fc58961a1be8da7e
Oct 27 02:23:56.174 INFO running `"docker" "start" "-a" "9c5e8a2bdfe71427feab440cc8d5db0b176a10211db6e9a9fc58961a1be8da7e"`
Oct 27 02:23:58.902 INFO kablam! usermod: no changes
Oct 27 02:23:58.967 INFO kablam!     Checking string-clone-performance v0.1.0 (/source)
Oct 27 02:23:59.667 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Oct 27 02:23:59.668 INFO kablam!   --> src/main.rs:13:38
Oct 27 02:23:59.669 INFO kablam!    |
Oct 27 02:23:59.670 INFO kablam! 13 |     time("100 rs", 100_000_000, || { s.clone(); });
Oct 27 02:23:59.670 INFO kablam!    |                                      ^^^^^^^^^^
Oct 27 02:23:59.671 INFO kablam!    |
Oct 27 02:23:59.672 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 02:23:59.672 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Oct 27 02:23:59.673 INFO kablam! 
Oct 27 02:23:59.673 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Oct 27 02:23:59.674 INFO kablam!   --> src/main.rs:15:39
Oct 27 02:23:59.675 INFO kablam!    |
Oct 27 02:23:59.675 INFO kablam! 15 |     time("1000 rs", 100_000_000, || { s.clone(); });
Oct 27 02:23:59.676 INFO kablam!    |                                       ^^^^^^^^^^
Oct 27 02:23:59.676 INFO kablam!    |
Oct 27 02:23:59.677 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Oct 27 02:23:59.678 INFO kablam! 
Oct 27 02:23:59.678 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Oct 27 02:23:59.679 INFO kablam!   --> src/main.rs:17:41
Oct 27 02:23:59.679 INFO kablam!    |
Oct 27 02:23:59.680 INFO kablam! 17 |     time("10,000 rs", 100_000_000, || { s.clone(); });
Oct 27 02:23:59.680 INFO kablam!    |                                         ^^^^^^^^^^
Oct 27 02:23:59.680 INFO kablam!    |
Oct 27 02:23:59.680 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Oct 27 02:23:59.680 INFO kablam! 
Oct 27 02:23:59.683 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Oct 27 02:23:59.683 INFO kablam!   --> src/main.rs:19:41
Oct 27 02:23:59.683 INFO kablam!    |
Oct 27 02:23:59.683 INFO kablam! 19 |     time("100,000 rs", 10_000_000, || { s.clone(); });
Oct 27 02:23:59.683 INFO kablam!    |                                         ^^^^^^^^^^
Oct 27 02:23:59.683 INFO kablam!    |
Oct 27 02:23:59.683 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Oct 27 02:23:59.683 INFO kablam! 
Oct 27 02:23:59.877 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Oct 27 02:23:59.877 INFO kablam!   --> src/main.rs:13:38
Oct 27 02:23:59.877 INFO kablam!    |
Oct 27 02:23:59.877 INFO kablam! 13 |     time("100 rs", 100_000_000, || { s.clone(); });
Oct 27 02:23:59.877 INFO kablam!    |                                      ^^^^^^^^^^
Oct 27 02:23:59.877 INFO kablam!    |
Oct 27 02:23:59.877 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 02:23:59.883 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Oct 27 02:23:59.883 INFO kablam! 
Oct 27 02:23:59.884 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Oct 27 02:23:59.884 INFO kablam!   --> src/main.rs:15:39
Oct 27 02:23:59.884 INFO kablam!    |
Oct 27 02:23:59.884 INFO kablam! 15 |     time("1000 rs", 100_000_000, || { s.clone(); });
Oct 27 02:23:59.884 INFO kablam!    |                                       ^^^^^^^^^^
Oct 27 02:23:59.884 INFO kablam!    |
Oct 27 02:23:59.884 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Oct 27 02:23:59.884 INFO kablam! 
Oct 27 02:23:59.884 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Oct 27 02:23:59.884 INFO kablam!   --> src/main.rs:17:41
Oct 27 02:23:59.884 INFO kablam!    |
Oct 27 02:23:59.886 INFO kablam! 17 |     time("10,000 rs", 100_000_000, || { s.clone(); });
Oct 27 02:23:59.886 INFO kablam!    |                                         ^^^^^^^^^^
Oct 27 02:23:59.886 INFO kablam!    |
Oct 27 02:23:59.886 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Oct 27 02:23:59.886 INFO kablam! 
Oct 27 02:23:59.886 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Oct 27 02:23:59.886 INFO kablam!   --> src/main.rs:19:41
Oct 27 02:23:59.886 INFO kablam!    |
Oct 27 02:23:59.886 INFO kablam! 19 |     time("100,000 rs", 10_000_000, || { s.clone(); });
Oct 27 02:23:59.886 INFO kablam!    |                                         ^^^^^^^^^^
Oct 27 02:23:59.886 INFO kablam!    |
Oct 27 02:23:59.886 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Oct 27 02:23:59.886 INFO kablam! 
Oct 27 02:23:59.911 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Oct 27 02:23:59.941 INFO kablam! su: No module specific data is present
Oct 27 02:24:01.289 INFO running `"docker" "rm" "-f" "9c5e8a2bdfe71427feab440cc8d5db0b176a10211db6e9a9fc58961a1be8da7e"`
Oct 27 02:24:01.667 INFO blam! 9c5e8a2bdfe71427feab440cc8d5db0b176a10211db6e9a9fc58961a1be8da7e