Nov 02 12:37:48.888 INFO testing mathol-0.1.1 against 1.30.0 for beta-1.31-1
Nov 02 12:37:48.888 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-4/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-1/1.30.0:/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 +1.30.0 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"`
Nov 02 12:37:49.307 INFO blam! db7395c60c632e80b47dfaa74bf1bd2c04cdb21734d356714a058a555e9e6980
Nov 02 12:37:49.309 INFO running `"docker" "start" "-a" "db7395c60c632e80b47dfaa74bf1bd2c04cdb21734d356714a058a555e9e6980"`
Nov 02 12:37:50.291 INFO kablam! usermod: no changes
Nov 02 12:37:50.367 INFO kablam!    Compiling mathol v0.1.1 (/source)
Nov 02 12:37:51.943 INFO kablam! warning: unnecessary parentheses around function argument
Nov 02 12:37:51.943 INFO kablam!    --> src/statistics/mod.rs:127:68
Nov 02 12:37:51.943 INFO kablam!     |
Nov 02 12:37:51.943 INFO kablam! 127 |             let a = data.iter().fold(T::zero(), |sum, x| sum + pow((*x - mean.unwrap()), 2));
Nov 02 12:37:51.943 INFO kablam!     |                                                                    ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 02 12:37:51.943 INFO kablam!     |
Nov 02 12:37:51.943 INFO kablam!     = note: #[warn(unused_parens)] on by default
Nov 02 12:37:51.943 INFO kablam! 
Nov 02 12:37:53.203 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
Nov 02 12:37:53.211 INFO kablam! su: No module specific data is present
Nov 02 12:37:53.824 INFO running `"docker" "rm" "-f" "db7395c60c632e80b47dfaa74bf1bd2c04cdb21734d356714a058a555e9e6980"`
Nov 02 12:37:54.127 INFO blam! db7395c60c632e80b47dfaa74bf1bd2c04cdb21734d356714a058a555e9e6980
Nov 02 12:37:54.135 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-4/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-1/1.30.0:/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 +1.30.0 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"`
Nov 02 12:37:54.531 INFO blam! 5091c280da948daa533077071afa1a220f0fc8cfaffd7f1533cfbf22727db469
Nov 02 12:37:54.537 INFO running `"docker" "start" "-a" "5091c280da948daa533077071afa1a220f0fc8cfaffd7f1533cfbf22727db469"`
Nov 02 12:37:55.590 INFO kablam! usermod: no changes
Nov 02 12:37:55.683 INFO kablam!    Compiling mathol v0.1.1 (/source)
Nov 02 12:37:57.587 INFO kablam! warning: unnecessary parentheses around function argument
Nov 02 12:37:57.587 INFO kablam!    --> src/statistics/mod.rs:127:68
Nov 02 12:37:57.587 INFO kablam!     |
Nov 02 12:37:57.587 INFO kablam! 127 |             let a = data.iter().fold(T::zero(), |sum, x| sum + pow((*x - mean.unwrap()), 2));
Nov 02 12:37:57.587 INFO kablam!     |                                                                    ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 02 12:37:57.587 INFO kablam!     |
Nov 02 12:37:57.587 INFO kablam!     = note: #[warn(unused_parens)] on by default
Nov 02 12:37:57.587 INFO kablam! 
Nov 02 12:38:01.876 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.27s
Nov 02 12:38:01.895 INFO kablam! su: No module specific data is present
Nov 02 12:38:02.178 INFO running `"docker" "rm" "-f" "5091c280da948daa533077071afa1a220f0fc8cfaffd7f1533cfbf22727db469"`
Nov 02 12:38:02.279 INFO blam! 5091c280da948daa533077071afa1a220f0fc8cfaffd7f1533cfbf22727db469
