Oct 13 10:53:51.703 INFO checking piston_meta-0.29.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 10:53:51.703 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 10:53:52.172 INFO blam! 92cfa1680c716806d7fcef57bf2d07d980d1755e4a868f690df54f00f1d079a7
Oct 13 10:53:52.174 INFO running `"docker" "start" "-a" "92cfa1680c716806d7fcef57bf2d07d980d1755e4a868f690df54f00f1d079a7"`
Oct 13 10:53:53.396 INFO kablam! usermod: no changes
Oct 13 10:53:53.488 INFO kablam!     Checking piston_meta v0.29.1 (/source)
Oct 13 10:53:54.652 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 10:53:54.652 INFO kablam!    --> src/lib.rs:203:24
Oct 13 10:53:54.652 INFO kablam!     |
Oct 13 10:53:54.652 INFO kablam! 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Oct 13 10:53:54.652 INFO kablam!     |  ________________________^
Oct 13 10:53:54.652 INFO kablam! 204 | |             format!("Bootstrapping rules are incorrect")))))
Oct 13 10:53:54.652 INFO kablam!     | |___________________________________________________________^
Oct 13 10:53:54.652 INFO kablam!     |
Oct 13 10:53:54.652 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 13 10:53:54.652 INFO kablam! help: remove these parentheses
Oct 13 10:53:54.652 INFO kablam!     |
Oct 13 10:53:54.652 INFO kablam! 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(::fmt::format(::std::fmt::Arguments::new_v1(&["Bootstrapping rules are incorrect"],
Oct 13 10:53:54.652 INFO kablam! 204 |                                                                                          &match ()
Oct 13 10:53:54.652 INFO kablam! 205 |                                                                                               {
Oct 13 10:53:54.652 INFO kablam! 206 |                                                                                               ()
Oct 13 10:53:54.652 INFO kablam! 207 |                                                                                               =>
Oct 13 10:53:54.652 INFO kablam! 208 |                                                                                               [],
Oct 13 10:53:54.652 INFO kablam!   ...
Oct 13 10:53:54.652 INFO kablam! 
Oct 13 10:53:54.972 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 10:53:54.972 INFO kablam!    --> src/lib.rs:203:24
Oct 13 10:53:54.972 INFO kablam!     |
Oct 13 10:53:54.972 INFO kablam! 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Oct 13 10:53:54.972 INFO kablam!     |  ________________________^
Oct 13 10:53:54.972 INFO kablam! 204 | |             format!("Bootstrapping rules are incorrect")))))
Oct 13 10:53:54.972 INFO kablam!     | |___________________________________________________________^
Oct 13 10:53:54.972 INFO kablam!     |
Oct 13 10:53:54.972 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 13 10:53:54.972 INFO kablam! help: remove these parentheses
Oct 13 10:53:54.972 INFO kablam!     |
Oct 13 10:53:54.972 INFO kablam! 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(::fmt::format(::std::fmt::Arguments::new_v1(&["Bootstrapping rules are incorrect"],
Oct 13 10:53:54.972 INFO kablam! 204 |                                                                                          &match ()
Oct 13 10:53:54.972 INFO kablam! 205 |                                                                                               {
Oct 13 10:53:54.972 INFO kablam! 206 |                                                                                               ()
Oct 13 10:53:54.972 INFO kablam! 207 |                                                                                               =>
Oct 13 10:53:54.973 INFO kablam! 208 |                                                                                               [],
Oct 13 10:53:54.973 INFO kablam!   ...
Oct 13 10:53:54.973 INFO kablam! 
Oct 13 10:53:59.916 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.50s
Oct 13 10:53:59.920 INFO kablam! su: No module specific data is present
Oct 13 10:54:00.964 INFO running `"docker" "rm" "-f" "92cfa1680c716806d7fcef57bf2d07d980d1755e4a868f690df54f00f1d079a7"`
Oct 13 10:54:01.408 INFO blam! 92cfa1680c716806d7fcef57bf2d07d980d1755e4a868f690df54f00f1d079a7