Aug 02 07:38:51.285 INFO checking greeks-0.5.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 07:38:51.285 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:38:51.285 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:38:51.285 INFO running `"docker" "create" "-v" "/tmp/crater.m1kLcO0GvnXf:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+tmplazy:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 07:38:51.523 INFO blam! c6317c6f0cbd50cab1e1d639f27a60f987b9740b141579c6593ebbfacc874660
Aug 02 07:38:51.525 INFO running `"docker" "start" "-a" "c6317c6f0cbd50cab1e1d639f27a60f987b9740b141579c6593ebbfacc874660"`
Aug 02 07:38:52.918 INFO kablam!     Checking greeks v0.5.0 (file:///source)
Aug 02 07:38:53.459 INFO kablam! warning: unnecessary parentheses around method argument
Aug 02 07:38:53.459 INFO kablam!    --> src/greeks/first.rs:178:24
Aug 02 07:38:53.459 INFO kablam!     |
Aug 02 07:38:53.459 INFO kablam! 178 |     let mult3 = E.powf((-d1.powf(2.0) / 2.0));
Aug 02 07:38:53.459 INFO kablam!     |                        ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Aug 02 07:38:53.459 INFO kablam!     |
Aug 02 07:38:53.459 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 02 07:38:53.459 INFO kablam! 
Aug 02 07:38:53.633 INFO kablam! warning: unnecessary parentheses around method argument
Aug 02 07:38:53.633 INFO kablam!    --> src/greeks/first.rs:178:24
Aug 02 07:38:53.633 INFO kablam!     |
Aug 02 07:38:53.633 INFO kablam! 178 |     let mult3 = E.powf((-d1.powf(2.0) / 2.0));
Aug 02 07:38:53.633 INFO kablam!     |                        ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Aug 02 07:38:53.633 INFO kablam!     |
Aug 02 07:38:53.633 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 02 07:38:53.633 INFO kablam! 
Aug 02 07:38:54.287 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:38:54.287 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 07:38:54.287 INFO kablam!   |
Aug 02 07:38:54.287 INFO kablam! 1 | #![feature(test)]
Aug 02 07:38:54.287 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 07:38:54.287 INFO kablam! 
Aug 02 07:38:54.288 INFO kablam! error: aborting due to previous error
Aug 02 07:38:54.288 INFO kablam! 
Aug 02 07:38:54.289 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:38:54.297 INFO kablam! error: Could not compile `greeks`.
Aug 02 07:38:54.297 INFO kablam! 
Aug 02 07:38:54.298 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 07:38:54.299 INFO kablam! su: No module specific data is present
Aug 02 07:38:55.152 INFO running `"docker" "rm" "-f" "c6317c6f0cbd50cab1e1d639f27a60f987b9740b141579c6593ebbfacc874660"`
Aug 02 07:38:55.336 INFO blam! c6317c6f0cbd50cab1e1d639f27a60f987b9740b141579c6593ebbfacc874660