Sep 20 05:24:36.983 INFO checking circular-0.2.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 05:24:36.983 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 05:24:36.983 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-0/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 05:24:37.250 INFO blam! b8bb754704142fce673cee2218f46eec4d95a7daf35f7c9ddee3d6fc58e89c8a
Sep 20 05:24:37.253 INFO running `"docker" "start" "-a" "b8bb754704142fce673cee2218f46eec4d95a7daf35f7c9ddee3d6fc58e89c8a"`
Sep 20 05:24:38.510 INFO kablam! usermod: no changes
Sep 20 05:24:38.557 INFO kablam!     Checking circular v0.2.0 (/source)
Sep 20 05:24:39.367 INFO kablam! warning: unused import: `std::str`
Sep 20 05:24:39.367 INFO kablam!    --> src/lib.rs:387:7
Sep 20 05:24:39.367 INFO kablam!     |
Sep 20 05:24:39.367 INFO kablam! 387 |   use std::str;
Sep 20 05:24:39.367 INFO kablam!     |       ^^^^^^^^
Sep 20 05:24:39.367 INFO kablam!     |
Sep 20 05:24:39.367 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 20 05:24:39.367 INFO kablam! 
Sep 20 05:24:39.710 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Sep 20 05:24:39.718 INFO kablam! su: No module specific data is present
Sep 20 05:24:40.700 INFO running `"docker" "rm" "-f" "b8bb754704142fce673cee2218f46eec4d95a7daf35f7c9ddee3d6fc58e89c8a"`
Sep 20 05:24:40.818 INFO blam! b8bb754704142fce673cee2218f46eec4d95a7daf35f7c9ddee3d6fc58e89c8a