Aug 01 22:15:45.076 INFO checking sidh-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 22:15:45.076 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:15:45.076 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:15:45.076 INFO running `"docker" "create" "-v" "/tmp/crater.PzEtDHjeYZCy:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 01 22:15:45.348 INFO blam! 98236e320bcb97f2a6833c726ecf8718edd72bf454aed39e0593e820392e8373
Aug 01 22:15:45.350 INFO running `"docker" "start" "-a" "98236e320bcb97f2a6833c726ecf8718edd72bf454aed39e0593e820392e8373"`
Aug 01 22:15:46.803 INFO kablam!    Compiling subtle v0.3.0
Aug 01 22:15:46.803 INFO kablam!     Checking quickcheck v0.5.0
Aug 01 22:15:53.202 INFO kablam!    Compiling sidh v0.2.0 (file:///source)
Aug 01 22:15:55.599 INFO kablam! warning: unnecessary parentheses around method argument
Aug 01 22:15:55.599 INFO kablam!    --> src/curve.rs:346:53
Aug 01 22:15:55.599 INFO kablam!     |
Aug 01 22:15:55.599 INFO kablam! 346 |                 (&mut x0).conditional_swap(&mut x1, (bit ^ prev_bit));
Aug 01 22:15:55.599 INFO kablam!     |                                                     ^^^^^^^^^^^^^^^^ help: remove these parentheses
Aug 01 22:15:55.599 INFO kablam!     |
Aug 01 22:15:55.600 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 01 22:15:55.600 INFO kablam! 
Aug 01 22:15:55.600 INFO kablam! warning: unnecessary parentheses around method argument
Aug 01 22:15:55.600 INFO kablam!    --> src/curve.rs:447:53
Aug 01 22:15:55.600 INFO kablam!     |
Aug 01 22:15:55.601 INFO kablam! 447 |                 (&mut x0).conditional_swap(&mut x1, (bit ^ prev_bit));
Aug 01 22:15:55.601 INFO kablam!     |                                                     ^^^^^^^^^^^^^^^^ help: remove these parentheses
Aug 01 22:15:55.601 INFO kablam! 
Aug 01 22:15:55.601 INFO kablam! warning: unnecessary parentheses around method argument
Aug 01 22:15:55.602 INFO kablam!    --> src/curve.rs:448:53
Aug 01 22:15:55.602 INFO kablam!     |
Aug 01 22:15:55.602 INFO kablam! 448 |                 (&mut y0).conditional_swap(&mut y1, (bit ^ prev_bit));
Aug 01 22:15:55.602 INFO kablam!     |                                                     ^^^^^^^^^^^^^^^^ help: remove these parentheses
Aug 01 22:15:55.602 INFO kablam! 
Aug 01 22:15:55.603 INFO kablam! warning: unnecessary parentheses around method argument
Aug 01 22:15:55.603 INFO kablam!    --> src/curve.rs:474:53
Aug 01 22:15:55.603 INFO kablam!     |
Aug 01 22:15:55.603 INFO kablam! 474 |                 (&mut R1).conditional_swap(&mut R2, (bit ^ prev_bit));
Aug 01 22:15:55.603 INFO kablam!     |                                                     ^^^^^^^^^^^^^^^^ help: remove these parentheses
Aug 01 22:15:55.603 INFO kablam! 
Aug 01 22:15:55.604 INFO kablam! warning: unnecessary parentheses around method argument
Aug 01 22:15:55.604 INFO kablam!    --> src/curve.rs:800:53
Aug 01 22:15:55.604 INFO kablam!     |
Aug 01 22:15:55.604 INFO kablam! 800 |                 (&mut x0).conditional_swap(&mut x1, (bit ^ prev_bit));
Aug 01 22:15:55.604 INFO kablam!     |                                                     ^^^^^^^^^^^^^^^^ help: remove these parentheses
Aug 01 22:15:55.605 INFO kablam! 
Aug 01 22:15:56.062 INFO kablam! warning: unnecessary parentheses around method argument
Aug 01 22:15:56.062 INFO kablam!    --> src/curve.rs:346:53
Aug 01 22:15:56.062 INFO kablam!     |
Aug 01 22:15:56.062 INFO kablam! 346 |                 (&mut x0).conditional_swap(&mut x1, (bit ^ prev_bit));
Aug 01 22:15:56.062 INFO kablam!     |                                                     ^^^^^^^^^^^^^^^^ help: remove these parentheses
Aug 01 22:15:56.062 INFO kablam!     |
Aug 01 22:15:56.062 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 01 22:15:56.062 INFO kablam! 
Aug 01 22:15:56.062 INFO kablam! warning: unnecessary parentheses around method argument
Aug 01 22:15:56.062 INFO kablam!    --> src/curve.rs:447:53
Aug 01 22:15:56.062 INFO kablam!     |
Aug 01 22:15:56.062 INFO kablam! 447 |                 (&mut x0).conditional_swap(&mut x1, (bit ^ prev_bit));
Aug 01 22:15:56.062 INFO kablam!     |                                                     ^^^^^^^^^^^^^^^^ help: remove these parentheses
Aug 01 22:15:56.062 INFO kablam! 
Aug 01 22:15:56.062 INFO kablam! warning: unnecessary parentheses around method argument
Aug 01 22:15:56.062 INFO kablam!    --> src/curve.rs:448:53
Aug 01 22:15:56.062 INFO kablam!     |
Aug 01 22:15:56.062 INFO kablam! 448 |                 (&mut y0).conditional_swap(&mut y1, (bit ^ prev_bit));
Aug 01 22:15:56.062 INFO kablam!     |                                                     ^^^^^^^^^^^^^^^^ help: remove these parentheses
Aug 01 22:15:56.063 INFO kablam! 
Aug 01 22:15:56.063 INFO kablam! warning: unnecessary parentheses around method argument
Aug 01 22:15:56.063 INFO kablam!    --> src/curve.rs:474:53
Aug 01 22:15:56.063 INFO kablam!     |
Aug 01 22:15:56.063 INFO kablam! 474 |                 (&mut R1).conditional_swap(&mut R2, (bit ^ prev_bit));
Aug 01 22:15:56.063 INFO kablam!     |                                                     ^^^^^^^^^^^^^^^^ help: remove these parentheses
Aug 01 22:15:56.063 INFO kablam! 
Aug 01 22:15:56.063 INFO kablam! warning: unnecessary parentheses around method argument
Aug 01 22:15:56.063 INFO kablam!    --> src/curve.rs:800:53
Aug 01 22:15:56.063 INFO kablam!     |
Aug 01 22:15:56.063 INFO kablam! 800 |                 (&mut x0).conditional_swap(&mut x1, (bit ^ prev_bit));
Aug 01 22:15:56.063 INFO kablam!     |                                                     ^^^^^^^^^^^^^^^^ help: remove these parentheses
Aug 01 22:15:56.068 INFO kablam! 
Aug 01 22:15:57.402 INFO kablam! error[E0658]: use of unstable library feature 'iterator_step_by': unstable replacement of Range::step_by (see issue #27741)
Aug 01 22:15:57.402 INFO kablam!    --> src/sidh.rs:462:43
Aug 01 22:15:57.402 INFO kablam!     |
Aug 01 22:15:57.402 INFO kablam! 462 |         for e in (0..(372 - 4 + 1)).rev().step_by(2) {
Aug 01 22:15:57.402 INFO kablam!     |                                           ^^^^^^^
Aug 01 22:15:57.402 INFO kablam! 
Aug 01 22:15:57.414 INFO kablam! error[E0658]: use of unstable library feature 'iterator_step_by': unstable replacement of Range::step_by (see issue #27741)
Aug 01 22:15:57.414 INFO kablam!    --> src/sidh.rs:527:43
Aug 01 22:15:57.414 INFO kablam!     |
Aug 01 22:15:57.414 INFO kablam! 527 |         for e in (2..(372 - 4 + 1)).rev().step_by(2) {
Aug 01 22:15:57.414 INFO kablam!     |                                           ^^^^^^^
Aug 01 22:15:57.414 INFO kablam! 
Aug 01 22:15:57.510 INFO kablam! error: aborting due to 2 previous errors
Aug 01 22:15:57.510 INFO kablam! 
Aug 01 22:15:57.510 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 01 22:15:57.543 INFO kablam! error: Could not compile `sidh`.
Aug 01 22:15:57.544 INFO kablam! 
Aug 01 22:15:57.544 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 22:15:57.546 INFO kablam! su: No module specific data is present
Aug 01 22:15:58.079 INFO running `"docker" "rm" "-f" "98236e320bcb97f2a6833c726ecf8718edd72bf454aed39e0593e820392e8373"`
Aug 01 22:15:58.263 INFO blam! 98236e320bcb97f2a6833c726ecf8718edd72bf454aed39e0593e820392e8373