Oct 13 10:53:52.301 INFO checking piston_meta-0.29.1 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 10:53:52.303 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 10:53:52.738 INFO blam! 85cca5f63b697900fd3a7916ee932ecef96e947694a9f4216b470c58272e6796
Oct 13 10:53:52.740 INFO running `"docker" "start" "-a" "85cca5f63b697900fd3a7916ee932ecef96e947694a9f4216b470c58272e6796"`
Oct 13 10:53:54.247 INFO kablam! usermod: no changes
Oct 13 10:53:54.324 INFO kablam!     Checking read_token v0.9.0
Oct 13 10:53:55.234 INFO kablam!     Checking piston_meta v0.29.1 (/source)
Oct 13 10:53:56.208 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 10:53:56.208 INFO kablam!    --> src/lib.rs:203:24
Oct 13 10:53:56.208 INFO kablam!     |
Oct 13 10:53:56.208 INFO kablam! 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Oct 13 10:53:56.208 INFO kablam!     |  ________________________^
Oct 13 10:53:56.208 INFO kablam! 204 | |             format!("Bootstrapping rules are incorrect")))))
Oct 13 10:53:56.208 INFO kablam!     | |___________________________________________________________^
Oct 13 10:53:56.208 INFO kablam!     |
Oct 13 10:53:56.208 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 13 10:53:56.208 INFO kablam! help: remove these parentheses
Oct 13 10:53:56.208 INFO kablam!     |
Oct 13 10:53:56.208 INFO kablam! 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(::fmt::format(::std::fmt::Arguments::new_v1(&["Bootstrapping rules are incorrect"],
Oct 13 10:53:56.208 INFO kablam! 204 |                                                                                          &match ()
Oct 13 10:53:56.208 INFO kablam! 205 |                                                                                               {
Oct 13 10:53:56.208 INFO kablam! 206 |                                                                                               ()
Oct 13 10:53:56.208 INFO kablam! 207 |                                                                                               =>
Oct 13 10:53:56.208 INFO kablam! 208 |                                                                                               [],
Oct 13 10:53:56.208 INFO kablam!   ...
Oct 13 10:53:56.208 INFO kablam! 
Oct 13 10:53:56.464 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 10:53:56.464 INFO kablam!    --> src/lib.rs:203:24
Oct 13 10:53:56.464 INFO kablam!     |
Oct 13 10:53:56.464 INFO kablam! 203 |           Err(()) => Err((Range::empty(0).wrap(ParseError::Conversion(
Oct 13 10:53:56.464 INFO kablam!     |  ________________________^
Oct 13 10:53:56.464 INFO kablam! 204 | |             format!("Bootstrapping rules are incorrect")))))
Oct 13 10:53:56.464 INFO kablam!     | |___________________________________________________________^
Oct 13 10:53:56.464 INFO kablam!     |
Oct 13 10:53:56.464 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 13 10:53:56.464 INFO kablam! help: remove these parentheses
Oct 13 10:53:56.464 INFO kablam!     |
Oct 13 10:53:56.464 INFO kablam! 203 |         Err(()) => Err(Range::empty(0).wrap(ParseError::Conversion(::fmt::format(::std::fmt::Arguments::new_v1(&["Bootstrapping rules are incorrect"],
Oct 13 10:53:56.464 INFO kablam! 204 |                                                                                          &match ()
Oct 13 10:53:56.464 INFO kablam! 205 |                                                                                               {
Oct 13 10:53:56.464 INFO kablam! 206 |                                                                                               ()
Oct 13 10:53:56.464 INFO kablam! 207 |                                                                                               =>
Oct 13 10:53:56.464 INFO kablam! 208 |                                                                                               [],
Oct 13 10:53:56.464 INFO kablam!   ...
Oct 13 10:53:56.464 INFO kablam! 
Oct 13 10:54:01.456 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.18s
Oct 13 10:54:01.472 INFO kablam! su: No module specific data is present
Oct 13 10:54:02.228 INFO running `"docker" "rm" "-f" "85cca5f63b697900fd3a7916ee932ecef96e947694a9f4216b470c58272e6796"`
Oct 13 10:54:02.464 INFO blam! 85cca5f63b697900fd3a7916ee932ecef96e947694a9f4216b470c58272e6796