Dec 05 09:06:01.951 INFO checking piston_meta-0.29.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 09:06:01.951 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 09:06:02.300 INFO [stdout] e22cc5de3e01f730f942894c7659fd40977618908af8c2f9ff8d47683ac5266e
Dec 05 09:06:02.302 INFO running `"docker" "start" "-a" "e22cc5de3e01f730f942894c7659fd40977618908af8c2f9ff8d47683ac5266e"`
Dec 05 09:06:04.319 INFO [stderr] usermod: no changes
Dec 05 09:06:04.390 INFO [stderr]     Checking read_token v0.9.0
Dec 05 09:06:05.157 INFO [stderr]     Checking piston_meta v0.29.1 (/source)
Dec 05 09:06:06.635 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 09:06:06.635 INFO [stderr]    --> src/lib.rs:203:24
Dec 05 09:06:06.635 INFO [stderr]     |
Dec 05 09:06:06.635 INFO [stderr] 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Dec 05 09:06:06.635 INFO [stderr]     |  ________________________^
Dec 05 09:06:06.635 INFO [stderr] 204 | |             format!("Bootstrapping rules are incorrect")))))
Dec 05 09:06:06.635 INFO [stderr]     | |___________________________________________________________^
Dec 05 09:06:06.635 INFO [stderr]     |
Dec 05 09:06:06.635 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 05 09:06:06.635 INFO [stderr] help: remove these parentheses
Dec 05 09:06:06.635 INFO [stderr]     |
Dec 05 09:06:06.635 INFO [stderr] 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(
Dec 05 09:06:06.635 INFO [stderr] 204 |             format!("Bootstrapping rules are incorrect"))))
Dec 05 09:06:06.635 INFO [stderr]     |
Dec 05 09:06:06.635 INFO [stderr] 
Dec 05 09:06:06.679 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 09:06:06.679 INFO [stderr]    --> src/lib.rs:203:24
Dec 05 09:06:06.679 INFO [stderr]     |
Dec 05 09:06:06.679 INFO [stderr] 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Dec 05 09:06:06.679 INFO [stderr]     |  ________________________^
Dec 05 09:06:06.679 INFO [stderr] 204 | |             format!("Bootstrapping rules are incorrect")))))
Dec 05 09:06:06.679 INFO [stderr]     | |___________________________________________________________^
Dec 05 09:06:06.679 INFO [stderr]     |
Dec 05 09:06:06.679 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 05 09:06:06.679 INFO [stderr] help: remove these parentheses
Dec 05 09:06:06.679 INFO [stderr]     |
Dec 05 09:06:06.679 INFO [stderr] 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(
Dec 05 09:06:06.679 INFO [stderr] 204 |             format!("Bootstrapping rules are incorrect"))))
Dec 05 09:06:06.679 INFO [stderr]     |
Dec 05 09:06:06.679 INFO [stderr] 
Dec 05 09:06:10.667 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.31s
Dec 05 09:06:10.671 INFO [stderr] su: No module specific data is present
Dec 05 09:06:11.857 INFO running `"docker" "inspect" "e22cc5de3e01f730f942894c7659fd40977618908af8c2f9ff8d47683ac5266e"`
Dec 05 09:06:12.287 INFO running `"docker" "rm" "-f" "e22cc5de3e01f730f942894c7659fd40977618908af8c2f9ff8d47683ac5266e"`
Dec 05 09:06:12.623 INFO [stdout] e22cc5de3e01f730f942894c7659fd40977618908af8c2f9ff8d47683ac5266e