Nov 01 19:26:30.777 INFO checking needle-0.1.1 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 19:26:30.778 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 01 19:26:31.160 INFO blam! 66ebcd8f4bb98b9cc056f5df17582323a47ddc2cc27e4a134f0c9c961a56b426
Nov 01 19:26:31.162 INFO running `"docker" "start" "-a" "66ebcd8f4bb98b9cc056f5df17582323a47ddc2cc27e4a134f0c9c961a56b426"`
Nov 01 19:26:32.256 INFO kablam! usermod: no changes
Nov 01 19:26:32.312 INFO kablam!     Checking needle v0.1.1 (/source)
Nov 01 19:26:33.187 INFO kablam! warning: unused import: `std::str`
Nov 01 19:26:33.188 INFO kablam!    --> src/horspool.rs:133:9
Nov 01 19:26:33.189 INFO kablam!     |
Nov 01 19:26:33.189 INFO kablam! 133 |     use std::str;
Nov 01 19:26:33.190 INFO kablam!     |         ^^^^^^^^
Nov 01 19:26:33.190 INFO kablam!     |
Nov 01 19:26:33.191 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 01 19:26:33.191 INFO kablam! 
Nov 01 19:26:33.809 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
Nov 01 19:26:33.812 INFO kablam! su: No module specific data is present
Nov 01 19:26:35.012 INFO running `"docker" "rm" "-f" "66ebcd8f4bb98b9cc056f5df17582323a47ddc2cc27e4a134f0c9c961a56b426"`
Nov 01 19:26:35.301 INFO blam! 66ebcd8f4bb98b9cc056f5df17582323a47ddc2cc27e4a134f0c9c961a56b426