Nov 02 00:42:14.263 INFO checking circular-0.2.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 02 00:42:14.264 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 00:42:14.688 INFO blam! 08afe9d21004e9d4de82715d1b254c7d5e1b826d387021faa3ac4f16ddbffd19
Nov 02 00:42:14.695 INFO running `"docker" "start" "-a" "08afe9d21004e9d4de82715d1b254c7d5e1b826d387021faa3ac4f16ddbffd19"`
Nov 02 00:42:15.824 INFO kablam! usermod: no changes
Nov 02 00:42:15.925 INFO kablam!     Checking circular v0.2.0 (/source)
Nov 02 00:42:17.227 INFO kablam! warning: unused import: `std::str`
Nov 02 00:42:17.227 INFO kablam!    --> src/lib.rs:387:7
Nov 02 00:42:17.227 INFO kablam!     |
Nov 02 00:42:17.227 INFO kablam! 387 |   use std::str;
Nov 02 00:42:17.227 INFO kablam!     |       ^^^^^^^^
Nov 02 00:42:17.227 INFO kablam!     |
Nov 02 00:42:17.227 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 02 00:42:17.227 INFO kablam! 
Nov 02 00:42:17.560 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Nov 02 00:42:17.560 INFO kablam! su: No module specific data is present
Nov 02 00:42:18.372 INFO running `"docker" "rm" "-f" "08afe9d21004e9d4de82715d1b254c7d5e1b826d387021faa3ac4f16ddbffd19"`
Nov 02 00:42:18.752 INFO blam! 08afe9d21004e9d4de82715d1b254c7d5e1b826d387021faa3ac4f16ddbffd19