Nov 01 17:53:02.397 INFO checking regex_generate-0.2.0 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 17:53:02.397 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Nov 01 17:53:02.606 INFO blam! 57e4691a511689b456a9912bc45ad2c45ef568af27bc70e5100b1cd3122b6a77
Nov 01 17:53:02.610 INFO running `"docker" "start" "-a" "57e4691a511689b456a9912bc45ad2c45ef568af27bc70e5100b1cd3122b6a77"`
Nov 01 17:53:03.515 INFO kablam! usermod: no changes
Nov 01 17:53:03.588 INFO kablam!     Checking regex_generate v0.2.0 (/source)
Nov 01 17:53:05.128 INFO kablam! warning: unused import: `regex_syntax::Expr`
Nov 01 17:53:05.128 INFO kablam!    --> src/lib.rs:142:9
Nov 01 17:53:05.128 INFO kablam!     |
Nov 01 17:53:05.128 INFO kablam! 142 |     use regex_syntax::Expr;
Nov 01 17:53:05.128 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^
Nov 01 17:53:05.128 INFO kablam!     |
Nov 01 17:53:05.128 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 01 17:53:05.128 INFO kablam! 
Nov 01 17:53:07.420 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.88s
Nov 01 17:53:07.421 INFO kablam! su: No module specific data is present
Nov 01 17:53:07.994 INFO running `"docker" "rm" "-f" "57e4691a511689b456a9912bc45ad2c45ef568af27bc70e5100b1cd3122b6a77"`
Nov 01 17:53:08.160 INFO blam! 57e4691a511689b456a9912bc45ad2c45ef568af27bc70e5100b1cd3122b6a77