Aug 17 14:52:41.392 INFO checking piston_meta-0.29.1 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 14:52:41.392 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 14:52:41.392 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 14:52:41.392 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-6/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 14:52:41.651 INFO blam! d041f355985a8a3210438677dec831adf3a04075aef02716c3ab002e12c2e4b7
Aug 17 14:52:41.652 INFO running `"docker" "start" "-a" "d041f355985a8a3210438677dec831adf3a04075aef02716c3ab002e12c2e4b7"`
Aug 17 14:52:42.644 INFO kablam!     Checking read_token v0.9.0
Aug 17 14:52:43.678 INFO kablam!     Checking piston_meta v0.29.1 (file:///source)
Aug 17 14:52:44.724 INFO kablam! warning: unnecessary parentheses around function argument
Aug 17 14:52:44.724 INFO kablam!    --> src/lib.rs:203:24
Aug 17 14:52:44.724 INFO kablam!     |
Aug 17 14:52:44.724 INFO kablam! 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Aug 17 14:52:44.725 INFO kablam!     |  ________________________^
Aug 17 14:52:44.725 INFO kablam! 204 | |             format!("Bootstrapping rules are incorrect")))))
Aug 17 14:52:44.725 INFO kablam!     | |___________________________________________________________^
Aug 17 14:52:44.725 INFO kablam!     |
Aug 17 14:52:44.725 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 17 14:52:44.725 INFO kablam! help: remove these parentheses
Aug 17 14:52:44.725 INFO kablam!     |
Aug 17 14:52:44.725 INFO kablam! 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(::fmt::format(::std::fmt::Arguments::new_v1(&["Bootstrapping rules are incorrect"],
Aug 17 14:52:44.725 INFO kablam! 204 |                                                                                          &match ()
Aug 17 14:52:44.725 INFO kablam! 205 |                                                                                               {
Aug 17 14:52:44.725 INFO kablam! 206 |                                                                                               ()
Aug 17 14:52:44.725 INFO kablam! 207 |                                                                                               =>
Aug 17 14:52:44.725 INFO kablam! 208 |                                                                                               [],
Aug 17 14:52:44.726 INFO kablam!   ...
Aug 17 14:52:44.726 INFO kablam! 
Aug 17 14:52:45.128 INFO kablam! warning: unnecessary parentheses around function argument
Aug 17 14:52:45.128 INFO kablam!    --> src/lib.rs:203:24
Aug 17 14:52:45.128 INFO kablam!     |
Aug 17 14:52:45.128 INFO kablam! 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Aug 17 14:52:45.128 INFO kablam!     |  ________________________^
Aug 17 14:52:45.128 INFO kablam! 204 | |             format!("Bootstrapping rules are incorrect")))))
Aug 17 14:52:45.128 INFO kablam!     | |___________________________________________________________^
Aug 17 14:52:45.128 INFO kablam!     |
Aug 17 14:52:45.128 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 17 14:52:45.129 INFO kablam! help: remove these parentheses
Aug 17 14:52:45.129 INFO kablam!     |
Aug 17 14:52:45.129 INFO kablam! 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(::fmt::format(::std::fmt::Arguments::new_v1(&["Bootstrapping rules are incorrect"],
Aug 17 14:52:45.129 INFO kablam! 204 |                                                                                          &match ()
Aug 17 14:52:45.129 INFO kablam! 205 |                                                                                               {
Aug 17 14:52:45.129 INFO kablam! 206 |                                                                                               ()
Aug 17 14:52:45.129 INFO kablam! 207 |                                                                                               =>
Aug 17 14:52:45.129 INFO kablam! 208 |                                                                                               [],
Aug 17 14:52:45.129 INFO kablam!   ...
Aug 17 14:52:45.129 INFO kablam! 
Aug 17 14:52:52.814 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.24s
Aug 17 14:52:52.821 INFO kablam! su: No module specific data is present
Aug 17 14:52:53.462 INFO running `"docker" "rm" "-f" "d041f355985a8a3210438677dec831adf3a04075aef02716c3ab002e12c2e4b7"`
Aug 17 14:52:53.626 INFO blam! d041f355985a8a3210438677dec831adf3a04075aef02716c3ab002e12c2e4b7