Aug 02 06:58:22.881 INFO checking identicon-0.1.1 against 1.27.2 for lazy_static-1
Aug 02 06:58:22.881 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:58:22.881 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:58:22.881 INFO running `"docker" "create" "-v" "/tmp/crater.nXz3PTynspRK:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 06:58:23.077 INFO blam! 42697ac91ee9ffeb49669eca38b70455bfdc9880fd9744d7e0685f959b9a31e9
Aug 02 06:58:23.080 INFO running `"docker" "start" "-a" "42697ac91ee9ffeb49669eca38b70455bfdc9880fd9744d7e0685f959b9a31e9"`
Aug 02 06:58:24.860 INFO kablam!     Checking gif v0.6.0
Aug 02 06:58:26.005 INFO kablam!     Checking image v0.5.4
Aug 02 06:58:32.278 INFO kablam!     Checking identicon v0.1.1 (file:///source)
Aug 02 06:58:33.254 INFO kablam! warning: unnecessary parentheses around `for` head expression
Aug 02 06:58:33.255 INFO kablam!    --> src/lib.rs:124:18
Aug 02 06:58:33.255 INFO kablam!     |
Aug 02 06:58:33.255 INFO kablam! 124 |         for x in (x0..x1) {
Aug 02 06:58:33.255 INFO kablam!     |                  ^^^^^^^^ help: remove these parentheses
Aug 02 06:58:33.255 INFO kablam!     |
Aug 02 06:58:33.255 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 02 06:58:33.255 INFO kablam! 
Aug 02 06:58:33.255 INFO kablam! warning: unnecessary parentheses around `for` head expression
Aug 02 06:58:33.255 INFO kablam!    --> src/lib.rs:125:22
Aug 02 06:58:33.255 INFO kablam!     |
Aug 02 06:58:33.255 INFO kablam! 125 |             for y in (y0..y1) {
Aug 02 06:58:33.255 INFO kablam!     |                      ^^^^^^^^ help: remove these parentheses
Aug 02 06:58:33.255 INFO kablam! 
Aug 02 06:58:33.291 INFO kablam! warning: unnecessary parentheses around `for` head expression
Aug 02 06:58:33.291 INFO kablam!    --> src/lib.rs:124:18
Aug 02 06:58:33.291 INFO kablam!     |
Aug 02 06:58:33.291 INFO kablam! 124 |         for x in (x0..x1) {
Aug 02 06:58:33.292 INFO kablam!     |                  ^^^^^^^^ help: remove these parentheses
Aug 02 06:58:33.292 INFO kablam!     |
Aug 02 06:58:33.292 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 02 06:58:33.292 INFO kablam! 
Aug 02 06:58:33.292 INFO kablam! warning: unnecessary parentheses around `for` head expression
Aug 02 06:58:33.292 INFO kablam!    --> src/lib.rs:125:22
Aug 02 06:58:33.292 INFO kablam!     |
Aug 02 06:58:33.292 INFO kablam! 125 |             for y in (y0..y1) {
Aug 02 06:58:33.292 INFO kablam!     |                      ^^^^^^^^ help: remove these parentheses
Aug 02 06:58:33.292 INFO kablam! 
Aug 02 06:58:34.694 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:58:34.694 INFO kablam!  --> benches/generate.rs:1:1
Aug 02 06:58:34.694 INFO kablam!   |
Aug 02 06:58:34.694 INFO kablam! 1 | #![feature(test)]
Aug 02 06:58:34.694 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 06:58:34.694 INFO kablam! 
Aug 02 06:58:34.694 INFO kablam! error: aborting due to previous error
Aug 02 06:58:34.694 INFO kablam! 
Aug 02 06:58:34.694 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:58:34.700 INFO kablam! error: Could not compile `identicon`.
Aug 02 06:58:34.700 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:58:34.760 INFO kablam! error: build failed
Aug 02 06:58:34.761 INFO kablam! su: No module specific data is present
Aug 02 06:58:36.037 INFO running `"docker" "rm" "-f" "42697ac91ee9ffeb49669eca38b70455bfdc9880fd9744d7e0685f959b9a31e9"`
Aug 02 06:58:36.126 INFO blam! 42697ac91ee9ffeb49669eca38b70455bfdc9880fd9744d7e0685f959b9a31e9