Nov 02 00:42:14.563 INFO checking circular-0.2.0 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 02 00:42:14.564 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 02 00:42:14.947 INFO blam! 5d4284da6af4f529e26d554fe9667f2ddb38e4523d219cdaac8a0b5ff24f3927
Nov 02 00:42:14.948 INFO running `"docker" "start" "-a" "5d4284da6af4f529e26d554fe9667f2ddb38e4523d219cdaac8a0b5ff24f3927"`
Nov 02 00:42:15.973 INFO kablam! usermod: no changes
Nov 02 00:42:16.065 INFO kablam!     Checking circular v0.2.0 (/source)
Nov 02 00:42:17.440 INFO kablam! warning: unused import: `std::str`
Nov 02 00:42:17.440 INFO kablam!    --> src/lib.rs:387:7
Nov 02 00:42:17.440 INFO kablam!     |
Nov 02 00:42:17.440 INFO kablam! 387 |   use std::str;
Nov 02 00:42:17.440 INFO kablam!     |       ^^^^^^^^
Nov 02 00:42:17.440 INFO kablam!     |
Nov 02 00:42:17.440 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 02 00:42:17.440 INFO kablam! 
Nov 02 00:42:17.892 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
Nov 02 00:42:17.892 INFO kablam! su: No module specific data is present
Nov 02 00:42:18.609 INFO running `"docker" "rm" "-f" "5d4284da6af4f529e26d554fe9667f2ddb38e4523d219cdaac8a0b5ff24f3927"`
Nov 02 00:42:18.972 INFO blam! 5d4284da6af4f529e26d554fe9667f2ddb38e4523d219cdaac8a0b5ff24f3927