Nov 01 02:40:57.432 INFO checking kbacha/string-clone-performance-rust against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 02:40:57.434 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Nov 01 02:40:57.924 INFO blam! dfe7f37628ae51ee18d8fdb73254249f8a87ddfcd3bfaeb3595218b239611cc1
Nov 01 02:40:57.926 INFO running `"docker" "start" "-a" "dfe7f37628ae51ee18d8fdb73254249f8a87ddfcd3bfaeb3595218b239611cc1"`
Nov 01 02:41:00.564 INFO kablam! usermod: no changes
Nov 01 02:41:00.622 INFO kablam!     Checking string-clone-performance v0.1.0 (/source)
Nov 01 02:41:01.372 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 01 02:41:01.372 INFO kablam!   --> src/main.rs:13:38
Nov 01 02:41:01.372 INFO kablam!    |
Nov 01 02:41:01.372 INFO kablam! 13 |     time("100 rs", 100_000_000, || { s.clone(); });
Nov 01 02:41:01.372 INFO kablam!    |                                      ^^^^^^^^^^
Nov 01 02:41:01.372 INFO kablam!    |
Nov 01 02:41:01.372 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 02:41:01.374 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 01 02:41:01.374 INFO kablam! 
Nov 01 02:41:01.374 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 01 02:41:01.374 INFO kablam!   --> src/main.rs:15:39
Nov 01 02:41:01.374 INFO kablam!    |
Nov 01 02:41:01.374 INFO kablam! 15 |     time("1000 rs", 100_000_000, || { s.clone(); });
Nov 01 02:41:01.374 INFO kablam!    |                                       ^^^^^^^^^^
Nov 01 02:41:01.374 INFO kablam!    |
Nov 01 02:41:01.374 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 01 02:41:01.374 INFO kablam! 
Nov 01 02:41:01.374 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 01 02:41:01.374 INFO kablam!   --> src/main.rs:17:41
Nov 01 02:41:01.374 INFO kablam!    |
Nov 01 02:41:01.374 INFO kablam! 17 |     time("10,000 rs", 100_000_000, || { s.clone(); });
Nov 01 02:41:01.374 INFO kablam!    |                                         ^^^^^^^^^^
Nov 01 02:41:01.374 INFO kablam!    |
Nov 01 02:41:01.374 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 01 02:41:01.374 INFO kablam! 
Nov 01 02:41:01.374 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 01 02:41:01.374 INFO kablam!   --> src/main.rs:19:41
Nov 01 02:41:01.374 INFO kablam!    |
Nov 01 02:41:01.374 INFO kablam! 19 |     time("100,000 rs", 10_000_000, || { s.clone(); });
Nov 01 02:41:01.374 INFO kablam!    |                                         ^^^^^^^^^^
Nov 01 02:41:01.374 INFO kablam!    |
Nov 01 02:41:01.374 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 01 02:41:01.374 INFO kablam! 
Nov 01 02:41:01.476 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 01 02:41:01.476 INFO kablam!   --> src/main.rs:13:38
Nov 01 02:41:01.477 INFO kablam!    |
Nov 01 02:41:01.477 INFO kablam! 13 |     time("100 rs", 100_000_000, || { s.clone(); });
Nov 01 02:41:01.477 INFO kablam!    |                                      ^^^^^^^^^^
Nov 01 02:41:01.477 INFO kablam!    |
Nov 01 02:41:01.477 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 02:41:01.477 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 01 02:41:01.477 INFO kablam! 
Nov 01 02:41:01.477 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 01 02:41:01.477 INFO kablam!   --> src/main.rs:15:39
Nov 01 02:41:01.477 INFO kablam!    |
Nov 01 02:41:01.477 INFO kablam! 15 |     time("1000 rs", 100_000_000, || { s.clone(); });
Nov 01 02:41:01.477 INFO kablam!    |                                       ^^^^^^^^^^
Nov 01 02:41:01.477 INFO kablam!    |
Nov 01 02:41:01.477 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 01 02:41:01.477 INFO kablam! 
Nov 01 02:41:01.477 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 01 02:41:01.477 INFO kablam!   --> src/main.rs:17:41
Nov 01 02:41:01.477 INFO kablam!    |
Nov 01 02:41:01.477 INFO kablam! 17 |     time("10,000 rs", 100_000_000, || { s.clone(); });
Nov 01 02:41:01.477 INFO kablam!    |                                         ^^^^^^^^^^
Nov 01 02:41:01.477 INFO kablam!    |
Nov 01 02:41:01.477 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 01 02:41:01.477 INFO kablam! 
Nov 01 02:41:01.477 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 01 02:41:01.477 INFO kablam!   --> src/main.rs:19:41
Nov 01 02:41:01.477 INFO kablam!    |
Nov 01 02:41:01.477 INFO kablam! 19 |     time("100,000 rs", 10_000_000, || { s.clone(); });
Nov 01 02:41:01.477 INFO kablam!    |                                         ^^^^^^^^^^
Nov 01 02:41:01.477 INFO kablam!    |
Nov 01 02:41:01.477 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 01 02:41:01.477 INFO kablam! 
Nov 01 02:41:01.528 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Nov 01 02:41:01.536 INFO kablam! su: No module specific data is present
Nov 01 02:41:02.747 INFO running `"docker" "rm" "-f" "dfe7f37628ae51ee18d8fdb73254249f8a87ddfcd3bfaeb3595218b239611cc1"`
Nov 01 02:41:03.160 INFO blam! dfe7f37628ae51ee18d8fdb73254249f8a87ddfcd3bfaeb3595218b239611cc1