Nov 09 10:39:40.305 INFO checking kbacha/string-clone-performance-rust against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 10:39:40.307 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-2/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 09 10:39:40.705 INFO blam! 4bf853bc2b3d0c494e2d0303c0516893293f96cfd507b057659eca58aa8a0f10
Nov 09 10:39:40.707 INFO running `"docker" "start" "-a" "4bf853bc2b3d0c494e2d0303c0516893293f96cfd507b057659eca58aa8a0f10"`
Nov 09 10:39:43.511 INFO kablam! usermod: no changes
Nov 09 10:39:43.639 INFO kablam!     Checking string-clone-performance v0.1.0 (/source)
Nov 09 10:39:44.231 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 09 10:39:44.231 INFO kablam!   --> src/main.rs:13:38
Nov 09 10:39:44.231 INFO kablam!    |
Nov 09 10:39:44.231 INFO kablam! 13 |     time("100 rs", 100_000_000, || { s.clone(); });
Nov 09 10:39:44.231 INFO kablam!    |                                      ^^^^^^^^^^
Nov 09 10:39:44.231 INFO kablam!    |
Nov 09 10:39:44.231 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 10:39:44.231 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 09 10:39:44.231 INFO kablam! 
Nov 09 10:39:44.231 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 09 10:39:44.231 INFO kablam!   --> src/main.rs:15:39
Nov 09 10:39:44.231 INFO kablam!    |
Nov 09 10:39:44.231 INFO kablam! 15 |     time("1000 rs", 100_000_000, || { s.clone(); });
Nov 09 10:39:44.231 INFO kablam!    |                                       ^^^^^^^^^^
Nov 09 10:39:44.231 INFO kablam!    |
Nov 09 10:39:44.231 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 09 10:39:44.231 INFO kablam! 
Nov 09 10:39:44.231 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 09 10:39:44.231 INFO kablam!   --> src/main.rs:17:41
Nov 09 10:39:44.231 INFO kablam!    |
Nov 09 10:39:44.231 INFO kablam! 17 |     time("10,000 rs", 100_000_000, || { s.clone(); });
Nov 09 10:39:44.231 INFO kablam!    |                                         ^^^^^^^^^^
Nov 09 10:39:44.231 INFO kablam!    |
Nov 09 10:39:44.231 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 09 10:39:44.231 INFO kablam! 
Nov 09 10:39:44.231 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 09 10:39:44.231 INFO kablam!   --> src/main.rs:19:41
Nov 09 10:39:44.231 INFO kablam!    |
Nov 09 10:39:44.231 INFO kablam! 19 |     time("100,000 rs", 10_000_000, || { s.clone(); });
Nov 09 10:39:44.231 INFO kablam!    |                                         ^^^^^^^^^^
Nov 09 10:39:44.231 INFO kablam!    |
Nov 09 10:39:44.231 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 09 10:39:44.231 INFO kablam! 
Nov 09 10:39:44.379 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 09 10:39:44.379 INFO kablam!   --> src/main.rs:13:38
Nov 09 10:39:44.379 INFO kablam!    |
Nov 09 10:39:44.379 INFO kablam! 13 |     time("100 rs", 100_000_000, || { s.clone(); });
Nov 09 10:39:44.379 INFO kablam!    |                                      ^^^^^^^^^^
Nov 09 10:39:44.379 INFO kablam!    |
Nov 09 10:39:44.379 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 10:39:44.379 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 09 10:39:44.379 INFO kablam! 
Nov 09 10:39:44.379 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 09 10:39:44.379 INFO kablam!   --> src/main.rs:15:39
Nov 09 10:39:44.379 INFO kablam!    |
Nov 09 10:39:44.379 INFO kablam! 15 |     time("1000 rs", 100_000_000, || { s.clone(); });
Nov 09 10:39:44.379 INFO kablam!    |                                       ^^^^^^^^^^
Nov 09 10:39:44.379 INFO kablam!    |
Nov 09 10:39:44.379 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 09 10:39:44.379 INFO kablam! 
Nov 09 10:39:44.379 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 09 10:39:44.379 INFO kablam!   --> src/main.rs:17:41
Nov 09 10:39:44.379 INFO kablam!    |
Nov 09 10:39:44.379 INFO kablam! 17 |     time("10,000 rs", 100_000_000, || { s.clone(); });
Nov 09 10:39:44.379 INFO kablam!    |                                         ^^^^^^^^^^
Nov 09 10:39:44.379 INFO kablam!    |
Nov 09 10:39:44.379 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 09 10:39:44.379 INFO kablam! 
Nov 09 10:39:44.379 INFO kablam! warning: unused return value of `std::clone::Clone::clone` that must be used
Nov 09 10:39:44.379 INFO kablam!   --> src/main.rs:19:41
Nov 09 10:39:44.379 INFO kablam!    |
Nov 09 10:39:44.379 INFO kablam! 19 |     time("100,000 rs", 10_000_000, || { s.clone(); });
Nov 09 10:39:44.379 INFO kablam!    |                                         ^^^^^^^^^^
Nov 09 10:39:44.379 INFO kablam!    |
Nov 09 10:39:44.379 INFO kablam!    = note: cloning is often expensive and is not expected to have side effects
Nov 09 10:39:44.379 INFO kablam! 
Nov 09 10:39:44.401 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Nov 09 10:39:44.415 INFO kablam! su: No module specific data is present
Nov 09 10:39:45.741 INFO running `"docker" "rm" "-f" "4bf853bc2b3d0c494e2d0303c0516893293f96cfd507b057659eca58aa8a0f10"`
Nov 09 10:39:46.043 INFO blam! 4bf853bc2b3d0c494e2d0303c0516893293f96cfd507b057659eca58aa8a0f10