Sep 02 00:40:47.316 INFO checking circular-0.2.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 02 00:40:47.316 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 02 00:40:47.316 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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=500" "-e" "CMD=cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 00:40:47.539 INFO blam! b38aaa3ba799ca99de604fcca26e2347178aadc647c6651cb96885d1eb342fbe
Sep 02 00:40:47.541 INFO running `"docker" "start" "-a" "b38aaa3ba799ca99de604fcca26e2347178aadc647c6651cb96885d1eb342fbe"`
Sep 02 00:40:48.415 INFO kablam!     Checking circular v0.2.0 (file:///source)
Sep 02 00:40:49.481 INFO kablam! warning: unused import: `std::str`
Sep 02 00:40:49.481 INFO kablam!    --> src/lib.rs:387:7
Sep 02 00:40:49.481 INFO kablam!     |
Sep 02 00:40:49.481 INFO kablam! 387 |   use std::str;
Sep 02 00:40:49.481 INFO kablam!     |       ^^^^^^^^
Sep 02 00:40:49.481 INFO kablam!     |
Sep 02 00:40:49.481 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 02 00:40:49.481 INFO kablam! 
Sep 02 00:40:50.105 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
Sep 02 00:40:50.114 INFO kablam! su: No module specific data is present
Sep 02 00:40:50.662 INFO running `"docker" "rm" "-f" "b38aaa3ba799ca99de604fcca26e2347178aadc647c6651cb96885d1eb342fbe"`
Sep 02 00:40:50.815 INFO blam! b38aaa3ba799ca99de604fcca26e2347178aadc647c6651cb96885d1eb342fbe