Nov 03 09:40:32.405 INFO checking currency-0.4.0 against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 03 09:40:32.406 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-1/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 03 09:40:32.630 INFO blam! 5e8765e1367930ca692a0011d339934a0638f8833c43fc1506015f2400654a2a
Nov 03 09:40:32.632 INFO running `"docker" "start" "-a" "5e8765e1367930ca692a0011d339934a0638f8833c43fc1506015f2400654a2a"`
Nov 03 09:40:33.057 INFO kablam! usermod: no changes
Nov 03 09:40:33.127 INFO kablam!     Checking currency v0.4.0 (/source)
Nov 03 09:40:35.106 INFO kablam! warning: unused import: `std::str::FromStr`
Nov 03 09:40:35.106 INFO kablam!    --> src/lib.rs:752:13
Nov 03 09:40:35.106 INFO kablam!     |
Nov 03 09:40:35.106 INFO kablam! 752 |         use std::str::FromStr;
Nov 03 09:40:35.107 INFO kablam!     |             ^^^^^^^^^^^^^^^^^
Nov 03 09:40:35.107 INFO kablam!     |
Nov 03 09:40:35.107 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 03 09:40:35.107 INFO kablam! 
Nov 03 09:40:35.392 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
Nov 03 09:40:35.396 INFO kablam! su: No module specific data is present
Nov 03 09:40:35.850 INFO running `"docker" "rm" "-f" "5e8765e1367930ca692a0011d339934a0638f8833c43fc1506015f2400654a2a"`
Nov 03 09:40:35.984 INFO blam! 5e8765e1367930ca692a0011d339934a0638f8833c43fc1506015f2400654a2a