Sep 10 12:58:06.192 INFO checking piston_meta-0.29.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 12:58:06.193 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 12:58:06.193 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 12:58:06.411 INFO blam! d4123be4d17e80e0c676fe05424b862b5d850413b948420737e52ba409b6c8a8
Sep 10 12:58:06.413 INFO running `"docker" "start" "-a" "d4123be4d17e80e0c676fe05424b862b5d850413b948420737e52ba409b6c8a8"`
Sep 10 12:58:07.849 INFO kablam! usermod: no changes
Sep 10 12:58:07.926 INFO kablam!     Checking piston_meta v0.29.1 (file:///source)
Sep 10 12:58:08.851 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 12:58:08.851 INFO kablam!    --> src/lib.rs:203:24
Sep 10 12:58:08.851 INFO kablam!     |
Sep 10 12:58:08.851 INFO kablam! 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Sep 10 12:58:08.852 INFO kablam!     |  ________________________^
Sep 10 12:58:08.852 INFO kablam! 204 | |             format!("Bootstrapping rules are incorrect")))))
Sep 10 12:58:08.852 INFO kablam!     | |___________________________________________________________^
Sep 10 12:58:08.852 INFO kablam!     |
Sep 10 12:58:08.852 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 10 12:58:08.853 INFO kablam! help: remove these parentheses
Sep 10 12:58:08.853 INFO kablam!     |
Sep 10 12:58:08.853 INFO kablam! 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(::fmt::format(::std::fmt::Arguments::new_v1(&["Bootstrapping rules are incorrect"],
Sep 10 12:58:08.853 INFO kablam! 204 |                                                                                          &match ()
Sep 10 12:58:08.853 INFO kablam! 205 |                                                                                               {
Sep 10 12:58:08.853 INFO kablam! 206 |                                                                                               ()
Sep 10 12:58:08.853 INFO kablam! 207 |                                                                                               =>
Sep 10 12:58:08.853 INFO kablam! 208 |                                                                                               [],
Sep 10 12:58:08.853 INFO kablam!   ...
Sep 10 12:58:08.853 INFO kablam! 
Sep 10 12:58:08.996 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 12:58:08.997 INFO kablam!    --> src/lib.rs:203:24
Sep 10 12:58:08.997 INFO kablam!     |
Sep 10 12:58:08.997 INFO kablam! 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Sep 10 12:58:08.997 INFO kablam!     |  ________________________^
Sep 10 12:58:08.997 INFO kablam! 204 | |             format!("Bootstrapping rules are incorrect")))))
Sep 10 12:58:08.997 INFO kablam!     | |___________________________________________________________^
Sep 10 12:58:09.002 INFO kablam!     |
Sep 10 12:58:09.002 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 10 12:58:09.002 INFO kablam! help: remove these parentheses
Sep 10 12:58:09.002 INFO kablam!     |
Sep 10 12:58:09.002 INFO kablam! 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(::fmt::format(::std::fmt::Arguments::new_v1(&["Bootstrapping rules are incorrect"],
Sep 10 12:58:09.002 INFO kablam! 204 |                                                                                          &match ()
Sep 10 12:58:09.002 INFO kablam! 205 |                                                                                               {
Sep 10 12:58:09.002 INFO kablam! 206 |                                                                                               ()
Sep 10 12:58:09.002 INFO kablam! 207 |                                                                                               =>
Sep 10 12:58:09.002 INFO kablam! 208 |                                                                                               [],
Sep 10 12:58:09.002 INFO kablam!   ...
Sep 10 12:58:09.002 INFO kablam! 
Sep 10 12:58:12.139 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
Sep 10 12:58:12.140 INFO kablam! su: No module specific data is present
Sep 10 12:58:13.033 INFO running `"docker" "rm" "-f" "d4123be4d17e80e0c676fe05424b862b5d850413b948420737e52ba409b6c8a8"`
Sep 10 12:58:13.165 INFO blam! d4123be4d17e80e0c676fe05424b862b5d850413b948420737e52ba409b6c8a8