Sep 04 08:11:38.604 INFO checking piston_meta-0.29.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 08:11:38.604 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 08:11:38.604 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 08:11:38.843 INFO blam! 50900e4620f962cb84e8b6f821764e90073c8e743f1cf35d2d3effe26c3ce144
Sep 04 08:11:38.845 INFO running `"docker" "start" "-a" "50900e4620f962cb84e8b6f821764e90073c8e743f1cf35d2d3effe26c3ce144"`
Sep 04 08:11:39.460 INFO kablam!     Checking piston_meta v0.29.1 (file:///source)
Sep 04 08:11:40.051 INFO kablam! warning: unnecessary parentheses around function argument
Sep 04 08:11:40.051 INFO kablam!    --> src/lib.rs:203:24
Sep 04 08:11:40.051 INFO kablam!     |
Sep 04 08:11:40.051 INFO kablam! 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Sep 04 08:11:40.051 INFO kablam!     |  ________________________^
Sep 04 08:11:40.051 INFO kablam! 204 | |             format!("Bootstrapping rules are incorrect")))))
Sep 04 08:11:40.051 INFO kablam!     | |___________________________________________________________^
Sep 04 08:11:40.051 INFO kablam!     |
Sep 04 08:11:40.051 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 04 08:11:40.051 INFO kablam! help: remove these parentheses
Sep 04 08:11:40.052 INFO kablam!     |
Sep 04 08:11:40.052 INFO kablam! 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(::fmt::format(::std::fmt::Arguments::new_v1(&["Bootstrapping rules are incorrect"],
Sep 04 08:11:40.052 INFO kablam! 204 |                                                                                          &match ()
Sep 04 08:11:40.052 INFO kablam! 205 |                                                                                               {
Sep 04 08:11:40.052 INFO kablam! 206 |                                                                                               ()
Sep 04 08:11:40.052 INFO kablam! 207 |                                                                                               =>
Sep 04 08:11:40.052 INFO kablam! 208 |                                                                                               [],
Sep 04 08:11:40.052 INFO kablam!   ...
Sep 04 08:11:40.052 INFO kablam! 
Sep 04 08:11:40.145 INFO kablam! warning: unnecessary parentheses around function argument
Sep 04 08:11:40.145 INFO kablam!    --> src/lib.rs:203:24
Sep 04 08:11:40.145 INFO kablam!     |
Sep 04 08:11:40.145 INFO kablam! 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Sep 04 08:11:40.145 INFO kablam!     |  ________________________^
Sep 04 08:11:40.145 INFO kablam! 204 | |             format!("Bootstrapping rules are incorrect")))))
Sep 04 08:11:40.145 INFO kablam!     | |___________________________________________________________^
Sep 04 08:11:40.145 INFO kablam!     |
Sep 04 08:11:40.145 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 04 08:11:40.145 INFO kablam! help: remove these parentheses
Sep 04 08:11:40.145 INFO kablam!     |
Sep 04 08:11:40.145 INFO kablam! 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(::fmt::format(::std::fmt::Arguments::new_v1(&["Bootstrapping rules are incorrect"],
Sep 04 08:11:40.145 INFO kablam! 204 |                                                                                          &match ()
Sep 04 08:11:40.145 INFO kablam! 205 |                                                                                               {
Sep 04 08:11:40.145 INFO kablam! 206 |                                                                                               ()
Sep 04 08:11:40.146 INFO kablam! 207 |                                                                                               =>
Sep 04 08:11:40.146 INFO kablam! 208 |                                                                                               [],
Sep 04 08:11:40.146 INFO kablam!   ...
Sep 04 08:11:40.146 INFO kablam! 
Sep 04 08:11:42.980 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
Sep 04 08:11:42.989 INFO kablam! su: No module specific data is present
Sep 04 08:11:43.370 INFO running `"docker" "rm" "-f" "50900e4620f962cb84e8b6f821764e90073c8e743f1cf35d2d3effe26c3ce144"`
Sep 04 08:11:43.451 INFO blam! 50900e4620f962cb84e8b6f821764e90073c8e743f1cf35d2d3effe26c3ce144