Nov 04 04:33:00.786 INFO checking kbacha/string-clone-performance-rust against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 04:33:00.786 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-6/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 04 04:33:01.255 INFO blam! f4c1f3d9907ad7ba989e62776940b26a160125f703cd6a05c0745a2e337153c9
Nov 04 04:33:01.258 INFO running `"docker" "start" "-a" "f4c1f3d9907ad7ba989e62776940b26a160125f703cd6a05c0745a2e337153c9"`
Nov 04 04:33:03.267 INFO kablam! usermod: no changes
Nov 04 04:33:03.323 INFO kablam!     Checking string-clone-performance v0.1.0 (/source)
Nov 04 04:33:03.939 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 04 04:33:03.939 INFO kablam!   --> src/main.rs:13:38
Nov 04 04:33:03.939 INFO kablam!    |
Nov 04 04:33:03.939 INFO kablam! 13 |     time("100 rs", 100_000_000, || { s.clone(); });
Nov 04 04:33:03.939 INFO kablam!    |                                      ^^^^^^^^^^
Nov 04 04:33:03.939 INFO kablam!    |
Nov 04 04:33:03.939 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 04 04:33:03.939 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 04 04:33:03.939 INFO kablam! 
Nov 04 04:33:03.939 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 04 04:33:03.939 INFO kablam!   --> src/main.rs:15:39
Nov 04 04:33:03.939 INFO kablam!    |
Nov 04 04:33:03.939 INFO kablam! 15 |     time("1000 rs", 100_000_000, || { s.clone(); });
Nov 04 04:33:03.939 INFO kablam!    |                                       ^^^^^^^^^^
Nov 04 04:33:03.939 INFO kablam!    |
Nov 04 04:33:03.939 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 04 04:33:03.939 INFO kablam! 
Nov 04 04:33:03.939 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 04 04:33:03.939 INFO kablam!   --> src/main.rs:17:41
Nov 04 04:33:03.939 INFO kablam!    |
Nov 04 04:33:03.939 INFO kablam! 17 |     time("10,000 rs", 100_000_000, || { s.clone(); });
Nov 04 04:33:03.939 INFO kablam!    |                                         ^^^^^^^^^^
Nov 04 04:33:03.939 INFO kablam!    |
Nov 04 04:33:03.939 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 04 04:33:03.939 INFO kablam! 
Nov 04 04:33:03.939 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 04 04:33:03.939 INFO kablam!   --> src/main.rs:19:41
Nov 04 04:33:03.939 INFO kablam!    |
Nov 04 04:33:03.939 INFO kablam! 19 |     time("100,000 rs", 10_000_000, || { s.clone(); });
Nov 04 04:33:03.939 INFO kablam!    |                                         ^^^^^^^^^^
Nov 04 04:33:03.939 INFO kablam!    |
Nov 04 04:33:03.939 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 04 04:33:03.939 INFO kablam! 
Nov 04 04:33:03.988 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 04 04:33:03.988 INFO kablam!   --> src/main.rs:13:38
Nov 04 04:33:03.989 INFO kablam!    |
Nov 04 04:33:03.989 INFO kablam! 13 |     time("100 rs", 100_000_000, || { s.clone(); });
Nov 04 04:33:03.989 INFO kablam!    |                                      ^^^^^^^^^^
Nov 04 04:33:03.989 INFO kablam!    |
Nov 04 04:33:03.989 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 04 04:33:03.989 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 04 04:33:03.989 INFO kablam! 
Nov 04 04:33:03.989 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 04 04:33:03.989 INFO kablam!   --> src/main.rs:15:39
Nov 04 04:33:03.989 INFO kablam!    |
Nov 04 04:33:03.989 INFO kablam! 15 |     time("1000 rs", 100_000_000, || { s.clone(); });
Nov 04 04:33:03.989 INFO kablam!    |                                       ^^^^^^^^^^
Nov 04 04:33:03.989 INFO kablam!    |
Nov 04 04:33:03.989 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 04 04:33:03.989 INFO kablam! 
Nov 04 04:33:03.989 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 04 04:33:03.989 INFO kablam!   --> src/main.rs:17:41
Nov 04 04:33:03.989 INFO kablam!    |
Nov 04 04:33:03.989 INFO kablam! 17 |     time("10,000 rs", 100_000_000, || { s.clone(); });
Nov 04 04:33:03.989 INFO kablam!    |                                         ^^^^^^^^^^
Nov 04 04:33:03.992 INFO kablam!    |
Nov 04 04:33:03.992 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 04 04:33:03.992 INFO kablam! 
Nov 04 04:33:03.992 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 04 04:33:03.992 INFO kablam!   --> src/main.rs:19:41
Nov 04 04:33:03.992 INFO kablam!    |
Nov 04 04:33:03.992 INFO kablam! 19 |     time("100,000 rs", 10_000_000, || { s.clone(); });
Nov 04 04:33:03.992 INFO kablam!    |                                         ^^^^^^^^^^
Nov 04 04:33:03.992 INFO kablam!    |
Nov 04 04:33:03.992 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 04 04:33:03.992 INFO kablam! 
Nov 04 04:33:04.019 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Nov 04 04:33:04.027 INFO kablam! su: No module specific data is present
Nov 04 04:33:05.317 INFO running `"docker" "rm" "-f" "f4c1f3d9907ad7ba989e62776940b26a160125f703cd6a05c0745a2e337153c9"`
Nov 04 04:33:05.727 INFO blam! f4c1f3d9907ad7ba989e62776940b26a160125f703cd6a05c0745a2e337153c9