Sep 06 02:30:22.038 INFO checking piston_meta-0.29.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 02:30:22.038 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 02:30:22.038 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-0/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 02:30:22.332 INFO blam! a849e267023a09331b0efb8e14354150c30afc660ed5ebff22c399cc2e969a43
Sep 06 02:30:22.334 INFO running `"docker" "start" "-a" "a849e267023a09331b0efb8e14354150c30afc660ed5ebff22c399cc2e969a43"`
Sep 06 02:30:23.248 INFO kablam! usermod: no changes
Sep 06 02:30:23.306 INFO kablam!     Checking range v0.3.1
Sep 06 02:30:23.678 INFO kablam!     Checking read_token v0.9.0
Sep 06 02:30:24.202 INFO kablam!     Checking piston_meta v0.29.1 (file:///source)
Sep 06 02:30:25.030 INFO kablam! warning: unnecessary parentheses around function argument
Sep 06 02:30:25.030 INFO kablam!    --> src/lib.rs:203:24
Sep 06 02:30:25.030 INFO kablam!     |
Sep 06 02:30:25.030 INFO kablam! 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Sep 06 02:30:25.030 INFO kablam!     |  ________________________^
Sep 06 02:30:25.030 INFO kablam! 204 | |             format!("Bootstrapping rules are incorrect")))))
Sep 06 02:30:25.030 INFO kablam!     | |___________________________________________________________^
Sep 06 02:30:25.030 INFO kablam!     |
Sep 06 02:30:25.030 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 06 02:30:25.030 INFO kablam! help: remove these parentheses
Sep 06 02:30:25.030 INFO kablam!     |
Sep 06 02:30:25.030 INFO kablam! 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(::fmt::format(::std::fmt::Arguments::new_v1(&["Bootstrapping rules are incorrect"],
Sep 06 02:30:25.030 INFO kablam! 204 |                                                                                          &match ()
Sep 06 02:30:25.030 INFO kablam! 205 |                                                                                               {
Sep 06 02:30:25.030 INFO kablam! 206 |                                                                                               ()
Sep 06 02:30:25.030 INFO kablam! 207 |                                                                                               =>
Sep 06 02:30:25.030 INFO kablam! 208 |                                                                                               [],
Sep 06 02:30:25.030 INFO kablam!   ...
Sep 06 02:30:25.030 INFO kablam! 
Sep 06 02:30:25.122 INFO kablam! warning: unnecessary parentheses around function argument
Sep 06 02:30:25.122 INFO kablam!    --> src/lib.rs:203:24
Sep 06 02:30:25.122 INFO kablam!     |
Sep 06 02:30:25.122 INFO kablam! 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Sep 06 02:30:25.122 INFO kablam!     |  ________________________^
Sep 06 02:30:25.122 INFO kablam! 204 | |             format!("Bootstrapping rules are incorrect")))))
Sep 06 02:30:25.122 INFO kablam!     | |___________________________________________________________^
Sep 06 02:30:25.122 INFO kablam!     |
Sep 06 02:30:25.122 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 06 02:30:25.122 INFO kablam! help: remove these parentheses
Sep 06 02:30:25.122 INFO kablam!     |
Sep 06 02:30:25.122 INFO kablam! 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(::fmt::format(::std::fmt::Arguments::new_v1(&["Bootstrapping rules are incorrect"],
Sep 06 02:30:25.122 INFO kablam! 204 |                                                                                          &match ()
Sep 06 02:30:25.122 INFO kablam! 205 |                                                                                               {
Sep 06 02:30:25.122 INFO kablam! 206 |                                                                                               ()
Sep 06 02:30:25.122 INFO kablam! 207 |                                                                                               =>
Sep 06 02:30:25.122 INFO kablam! 208 |                                                                                               [],
Sep 06 02:30:25.122 INFO kablam!   ...
Sep 06 02:30:25.122 INFO kablam! 
Sep 06 02:30:27.784 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
Sep 06 02:30:27.790 INFO kablam! su: No module specific data is present
Sep 06 02:30:29.165 INFO running `"docker" "rm" "-f" "a849e267023a09331b0efb8e14354150c30afc660ed5ebff22c399cc2e969a43"`
Sep 06 02:30:29.302 INFO blam! a849e267023a09331b0efb8e14354150c30afc660ed5ebff22c399cc2e969a43