Nov 02 00:08:34.003 INFO checking currency-0.4.0 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 02 00:08:34.003 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 00:08:34.448 INFO blam! 1ce6e39a322a724a0b686209d15592e00a116bd1b87c378fec2e680d49932b33
Nov 02 00:08:34.450 INFO running `"docker" "start" "-a" "1ce6e39a322a724a0b686209d15592e00a116bd1b87c378fec2e680d49932b33"`
Nov 02 00:08:36.028 INFO kablam! usermod: no changes
Nov 02 00:08:36.131 INFO kablam!     Checking currency v0.4.0 (/source)
Nov 02 00:08:38.269 INFO kablam! warning: unused import: `std::str::FromStr`
Nov 02 00:08:38.269 INFO kablam!    --> src/lib.rs:752:13
Nov 02 00:08:38.269 INFO kablam!     |
Nov 02 00:08:38.269 INFO kablam! 752 |         use std::str::FromStr;
Nov 02 00:08:38.269 INFO kablam!     |             ^^^^^^^^^^^^^^^^^
Nov 02 00:08:38.269 INFO kablam!     |
Nov 02 00:08:38.269 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 02 00:08:38.269 INFO kablam! 
Nov 02 00:08:38.504 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
Nov 02 00:08:38.508 INFO kablam! su: No module specific data is present
Nov 02 00:08:38.956 INFO running `"docker" "rm" "-f" "1ce6e39a322a724a0b686209d15592e00a116bd1b87c378fec2e680d49932b33"`
Nov 02 00:08:39.260 INFO blam! 1ce6e39a322a724a0b686209d15592e00a116bd1b87c378fec2e680d49932b33